WO2019147014A1 - 연장된 단일 가이드 rna 및 그 용도 - Google Patents
연장된 단일 가이드 rna 및 그 용도 Download PDFInfo
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- WO2019147014A1 WO2019147014A1 PCT/KR2019/000962 KR2019000962W WO2019147014A1 WO 2019147014 A1 WO2019147014 A1 WO 2019147014A1 KR 2019000962 W KR2019000962 W KR 2019000962W WO 2019147014 A1 WO2019147014 A1 WO 2019147014A1
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- C12N15/87—Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation
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- C12N2310/20—Type of nucleic acid involving clustered regularly interspaced short palindromic repeats [CRISPRs]
Definitions
- the present invention relates to an extended guide RNA and a composition for correcting a base comprising the same; And a base correction method using the composition for orthodontic treatment and a method for producing a genetically modified animal or plant.
- the genetic editing technique is based on the recognition of a fragment of bacteriophage by the infection of a bacteriophage, and a caspase 9 (caspase 9 (RNA-guided DNA endonuclease enzyme), which starts with an immune system that cleaves the DNA.
- caspase 9 RNA-guided DNA endonuclease enzyme
- the base-editor which is made by modifying the existing CRISPR-Cas9 gene scissors, is a technology that has recently attracted attention in that it can change specific bases without cutting both strands of DNA.
- the base-pairing gene scissors bind to the target site through sgRNA having a complementary sequence to the target DNA and then bind cytosine (C) to uracil (U) by deaminase, which can act on single- ) Or adenine (A) to hypoxanthine (I).
- C -> thymine (T), adenine (A) -> guanine (G) as a result of DNA repair and replication during DNA repair and replication.
- the base editing window in which the base-editor operates is known as the 13th to 17th position from the PAM (Protospacer Adjacent Motif) toward the protospacer, and the efficiency is very low in the off-range.
- the inventors of the present invention have confirmed that the working range of the base-corrected gene scissors can be further extended when the shape and length of the sgRNA designating the target position of the base- Thereby completing the present invention.
- the present invention provides an extended guide RNA capable of hybridizing with a target sequence, which comprises 1 to 3 guanines (G) and 1 to 10 nucleotides at the 5 ' Provide orthodontic guide RNA.
- the present invention also relates to a method for producing a target gene, which comprises (i) a diaminase or a gene encoding the same, (ii) an RNA-guide nuclease or a gene coding therefor and (iii) an extended guide RNA capable of hybridizing with the target sequence, A method for preparing a base composition,
- the extended guide RNA further comprises 1 to 3 guanines (G) and 1 to 10 nucleotides at the 5 'terminus.
- the present invention also provides a method for correcting a base comprising the step of introducing the composition for orthodontic treatment into a cell.
- the present invention also relates to a method for the treatment of cancer, comprising the steps of: (a) introducing the composition for correcting a base into a mammalian embryo or an eukaryotic plant embryo; And (b) growing the embryo to obtain an adult.
- the present invention also provides a method for producing a mutant mammal or an eukaryotic plant adult.
- FIG. 1 schematically illustrates Base-Editor operation according to sgRNA length.
- Deamination may occur in single-stranded DNA exposed after binding to the target site using the conventional method of GX19 sgRNA (a) and extended sgRNA (b).
- GX19 sgRNA a
- extended sgRNA b
- the use of Extended sgRNA increases the single stranded DNA exposed in the 5 'direction from PAM, resulting in a wider range of deamination.
- FIG. 2 shows changes in the base-editing window according to sgRNA length measured by deep-sequencing each activity in the HEK293T cell line.
- FIG. 2a shows the ABE 7.10 substitution activity according to the sgRNA length in the HEK2 site at the base position
- FIG. 2B is a graph showing the relative substitution activity [gX20-30 activity / GX19 activity] compared to the case using GX19 sgRNA
- FIG. 2C shows the most frequently occurring mutation allele (mutation in WT sequence
- FIG. 2d is a graph showing BE3 substitution activity according to the base position according to the sgRNA length in the HBB site
- FIG. 2e shows the relative substitution activity [gX20 ⁇ 30 activity / GX19 activity]
- FIG. 2F shows the most frequently occurring mutation allele (WT sequence (The base-editing window, which is known to work efficiently when using the GX19 sgRNA, is shown in light blue).
- FIG. 3 shows changes in the baseediting window when sgRNA containing one or two additional mismatches G was measured by deep-sequencing each activity in the HEK293T cell line.
- Figs. 3a and 3c show the sgRNA length
- FIG. 3B and FIG. 3D show the relative substitution activity [gX20 ⁇ 30 activity / GX19 activity (GX19 activity / GX19 activity) compared with the GX19 sgRNA using FANCF site (a) ] Are shown in the FANCF site (b) and the HBB site (d).
- FIG. 4 shows changes in the base-editing window according to the sgRNA length at four different sites measured by the deep-sequencing method for each activity in the HEK293T cell line.
- FIG. 4A shows the results of using GX19 sgRNA at four sites
- FIG. 4B is a graph showing the relative substitution activity [gX20 ⁇ 30 activity / GX19 activity] of ABE 7.10 relative to that when using GX19 sgRNA. / GX19 activity] (a blue-colored base-editing window known to work efficiently when using GX19 sgRNA).
- Figure 5 shows the activity of the base-editing window according to the sgRNA type in rapeseed and soybean, analyzed by deep-sequencing.
- Figure 5a shows that the gX19 sgRNA and gX20 sgRNA in the rapeseed protoplast were detected with the AID2 cytosine base-editor 5b shows the change of the allele with the most frequent mutation depending on the type of sgRNA (when the gX20 sgRNA is used, only the TAG stop codon is used)
- FIG. 5c shows the substitution efficiency according to the cytosine position when the gX19 sgRNA and gX20 sgRNA were used together with the AID2 cytosine baseeditor in the protoplast of the soybean
- FIG. 5d shows the results of substitution It is a variation of the allele in which mutations are introduced frequently (we can see that a TAG stop codon is produced only when using gX20 sgRNA).
- FIG. 6 shows the change of the base-editing window according to the sgRNA type in a mouse. After microinjection of ABE 7.10 mRNA with different kinds of sgRNA into mouse embryo, deep- FIG. 6B shows the result of analysis of the microinjection of embryo with ABE 7.10 mRNA using GX21 sgRNA. As a result, three pups with the desired H420R mutation were obtained.
- the present invention proposes a technique that can broaden the working range of the base-corrected gene scissors by modifying the shape and length of the sgRNA that specifies the target position of the base-corrected gene scissors (Fig. 1B).
- deamination can occur in single-stranded DNA exposed after binding to the target site when using the conventional method GX19 sgRNA (a) and extended sgRNA (b).
- GX19 sgRNA a
- extended sgRNA b
- the use of Extended sgRNA increases the single stranded DNA exposed in the 5 'direction from PAM, resulting in a wider range of deamination.
- the new method adds two mismatch guanines (G) in front of 20 nucleotides in the 5' Or extended gsX20 form of gX21 to gX30 using 21 to 30 nucleotide sequences.
- G mismatch guanines
- the HEK293T cell was tested for HEK2 site with ABE (Adenosine Base Editor) and extended sgRNA.
- the extended guide RNA of the present invention may be single guide RNA (sgRNA).
- the extended guide RNA may be a conventional guide RNA, for example, sgRNA (the targeting sequence is 20 nt, of which the first nucleotide at the 5 'end matches guanine (G) or miss 1 to 10 nucleotides (each independently selected from among A, T, C, and G) at the 5 'end of the corresponding DNA target sequence (which may be a match (non-complementary) guanine (g) Which may be complementary to the sequence of SEQ ID NO: 1).
- sgRNA the targeting sequence is 20 nt, of which the first nucleotide at the 5 'end matches guanine (G) or miss 1 to 10 nucleotides (each independently selected from among A, T, C, and G) at the 5 'end of the corresponding DNA target sequence (which may be a match (non-complementary) guanine (g) Which may be
- the extended sgRNA may further comprise 1 to 3 matches (complementary to the corresponding DNA target sequence) at the 5 'end or guanine (G) to mismatch (non-complementary to the corresponding DNA target sequence).
- the 1-10 random nucleotides additionally contained at the 5 'end may be complementary sequences to the target DNA sequence of the target site, and thereby the single strand DNA exposed in the 5' direction from the PAM at the target site (For example, a mutation (basal correction) may be introduced at the 18-30 nt or 18-22 nt position from the PAM in the 5 'direction at the target site) (See FIG.
- the present invention relates to a method for screening for a target gene comprising (i) a diaminase or a gene encoding the same, (ii) an RNA-guide nuclease or a gene encoding the same, and (iii) To a base composition for orthodontic treatment.
- a method for screening a target gene which comprises (1) a diaminase and a gene encoding the same, (2) a target specific nuclease (RNA-guide nuclease) (Or a recombinant vector comprising the coding DNA) of a guide RNA or a coding DNA thereof capable of hybridizing (or having a complementary nucleic acid sequence) with the target region of the target RNA.
- RNA-guide nuclease Or a recombinant vector comprising the coding DNA of a guide RNA or a coding DNA thereof capable of hybridizing (or having a complementary nucleic acid sequence) with the target region of the target RNA.
- the guide RNA may be selected from among 1 to 10 nucleotides (each independently selected from A, T, C and G) at the 5 'end of a conventional guide RNA, for example, sgRNA, which may optionally be complementary to the corresponding target sequence, optionally further comprising an extension comprising 1 to 3 matches or mismatching guanines (G) at the 5'end of the sgRNA, Lt; / RTI > guide RNA.
- sgRNA which may optionally be complementary to the corresponding target sequence, optionally further comprising an extension comprising 1 to 3 matches or mismatching guanines (G) at the 5'end of the sgRNA, Lt; / RTI > guide RNA.
- the composition for correcting a base may be one having a base-fixing (e. G., Base substitution) activity in eukaryotic cells.
- the eukaryotic cell may be a cell of an eukaryotic animal, such as an embryonic cell, or an eukaryotic plant (e. G., Algae, monocotyledons, dicotyledonous plants, etc.), and in one embodiment, a mammalian cell such as a mammalian embryonic cell, It can be a cell of an eukaryotic plant.
- the coding gene used herein can be used in the form of cDNA, rDNA or a recombinant vector containing it, or mRNA.
- the diaminase generally refers to an enzyme having activity to remove an amine group from a specific base in eukaryotic cells, for example, a cytidine diaminase and / or an adenosine diaminase which converts cytidine to uridine.
- the diaminase may be at least one selected from the group consisting of APOBEC1 (apolipoprotein B editing complex 1), activation-induced deaminase (AID), and tadA (tRNA-specific adenosine deaminase) .
- APOBEC1 apolipoprotein B editing complex 1
- AID activation-induced deaminase
- tadA tRNA-specific adenosine deaminase
- the composition for orthodontic treatment comprises (1) a diaminase or a gene encoding it (a recombinant vector comprising mRNA or a coding DNA), (2) an RNA-guide nuclease or a gene encoding the same (4) a uracil DNA glycosylase inhibitor (UGI) or a recombinant vector encoding the same, in addition to an extended guide RNA or a gene (DNA) encoding the same. And / or (5) Nuclear Locating Sequence (NLS) or a gene encoding the same.
- a diaminase or a gene encoding it a recombinant vector comprising mRNA or a coding DNA
- UMI uracil DNA glycosylase inhibitor
- NLS Nuclear Locating Sequence
- a linker suitable for at least one of the protein or gene for example, between the diaminase and the RNA-guide nuclease, between the nuclease and the UGI, and between UGI and NLS (in the case of a fusion protein, a peptide linker -30, or 3-20 amino acids), and in the case of a fusion gene an oligonucleotide linker (9-90 or 9-60 nt).
- the RNA-guided nuclease may be a modified RNA-guided nuclease modified to lose gene duplex cleavage activity.
- the modified RNA-guided nuclease may be a modified Cas9 (CRISPR-related protein 9) or a modified Cpf1 (Prevotella and Francisella 1 derived CRISPR) system modified to nick (nick) one strand of the target gene.
- the modified RNA-guide nuclease may be selected from the group consisting of Cas9 nickase (nCas9) or catalytically-deficient Cas9 (dCas9).
- the coding gene when the composition for base correction comprises a diaminase coding gene and an RNA-guide nuclease coding gene, the coding gene may be a coding DNA or an mRNA.
- the diaminase coding gene and the RNA-guide nuclease coding gene may be contained in the form of mRNA, or a recombinant vector containing the gene (DNA) in a separate vector (that is, A recombinant vector comprising a recombinant vector and an RNA-guided nuclease-encoding DNA) or in the form of a recombinant vector contained together in one vector.
- the guide RNA may be a double guide RNA comprising a CRISPR RNA (crRNA), a trans-activating crRNA (tracrRNA), a crRNA and a tracrRNA (a complex of crRNA and tracrRNA), or a single guide RNA (sgRNA).
- the composition for orthodontics comprises a diamine and a ribon comprising a guide RNA and a mRNA encoding a modified RNA-guide nuclease, or a ribonucleotide comprising a diaminase and a modified RNA-guide nuclease and a guide RNA And may include ribonucleoprotein (RNP).
- RNP ribonucleoprotein
- the ribonucleic acid protein may include a mixture of a diaminase and a modified RNA-guide nuclease and a guide RNA, or in the form of a complex in which a diaminase and a modified RNA-guide nuclease are combined with a guide RNA .
- the present invention relates to a method for correcting a base comprising the step of introducing the composition for orthodontic treatment into a cell.
- Another example provides a method of base correction comprising the step of introducing the composition for orthodontic treatment into a cell.
- the cell may be a eukaryotic cell, and the method may be to perform base correction (e. G., Base substitution) in eukaryotic cells.
- base correction e. G., Base substitution
- the eukaryotic cell may be a cell of an eukaryotic animal, such as an embryonic cell of an eukaryotic animal, and / or an eukaryotic plant cell, and in one embodiment may be a mammalian cell such as a mammalian germ cell, and / or an eukaryotic plant cell .
- the above-mentioned base correction method is a method of generating a termination codon in a gene (for example, a coding sequence) by base substitution to knock-out the gene, introducing a mutation into a noncoding DNA sequence that does not generate a protein
- a mutation can cause a variety of mutations.
- a base range correction can be performed by increasing sgRNA length based on the above, and examined in rapeseed (Brassica napus) and soybean (Glycine max).
- GX19 and gX20 sgRNAs capable of targeting the herbicide resistance gene ALS gene were transfected into AID2 Base-Edito in a protoplast derived from cotyledon of rapeseed.
- Fig. 5A the cytosine at position 20 was changed to thymine
- the STOP codon was generated and the gene could be knocked out (Fig.
- the present invention provides, in a further aspect, a method for preparing a base composition comprising: (a) introducing the composition for correcting a base into a mammalian embryo or an eukaryotic plant embryo; And (b) growing the embryo to obtain an adult.
- the present invention also relates to a method for producing a mutant mammal or an eukaryotic plant adult except for a human.
- composition for orthodontic treatment of the present invention can be applied to a mammalian embryo or an eukaryotic plant embryo, so that it can be usefully applied to the production of a mammalian or eukaryotic plant adult in which a desired gene is inactivated or a desired mutation is induced.
- the step of introducing a base-fixing composition into the cell may comprise adding to the cell a diaminase or diaminase coding gene, an RNA-guide nuclease or an RNA-guide nuclease coding gene and an extended guide RNA or an extended guide RNA coding gene.
- One or more of the coding genes may be incorporated into each other or contained in one recombinant vector.
- the direct injection may be in the form of a mixture or complex comprising the diamines of the 2), the RNA-guide nuclease, and the extended guide RNA (e.g., diaminase, RNA-guide nuclease, Or 3) the diaminase-coding mRNA, RNA-guide nuclease coding mRNA and extended guide RNA of the ribonucleic acid protein of the genome, And may be performed, for example, by electroporation, lipofection, microinjection, or the like.
- the extended guide RNA e.g., diaminase, RNA-guide nuclease, Or 3
- the diaminase-coding mRNA, RNA-guide nuclease coding mRNA and extended guide RNA of the ribonucleic acid protein of the genome and may be performed, for example, by electroporation, lipofection, microinjection, or the like.
- the genetically modified cell may be a cell in which a base substitution, such as a single base substitution or a point mutation, occurs in the target gene by the base correction.
- the cell may be a eukaryotic cell.
- the eukaryotic cell may be a cell of an eukaryotic animal, such as an embryonic cell, and / or an eukaryotic plant cell, and in one embodiment may be a mammalian cell, including, but not limited to, a human or a mammalian cell other than a human, Embryonic cells, and / or eukaryotic plant cells.
- Another example includes transplanting a transgenic mammal embryo injected with a composition for the base correction or a transgenic mammalian embryo comprising a base that has been corrected by the method of base-pairing, to the oviduct of a mammal to produce a transgenic animal , And a method for producing a transgenic animal.
- the genetically modified mammal may be an animal resulting from an embryo in which a base substitution, for example, a single base substitution or point mutation, has occurred in the target gene by the above base correction.
- the mammal transplanted with the embryo cell into the fallopian tube may be a mammal of the same species (foster mother) as the mammal from which the embryo cell is derived.
- transgenic animal obtained from said transgenic cell.
- the transgenic animal may be one produced by the method for producing the transgenic animal.
- the animal may be an eukaryotic animal, such as a human, or a mammal other than a human.
- the cells to which the composition for orthodontic treatment is applied may be eukaryotic cells such as eukaryotic animal cells.
- the eukaryotic animal may be a primate such as a human, a mammal including a rodent such as a mouse, and the like.
- the eukaryotic animal cell may be a mammalian embryo.
- the embryo may be a fertilized embryo obtained by crossing a male mammal with a superovulation-induced female mammal (for example, induction of superovulation by gonadal hormone injection such as PMSG (Pregnant Mare Serum Gonadotropin) or hCG (human Coldinic Gonadotropin) May be obtained from the oviduct of the female mammal.
- the embryo to which the base composition is applied (injected) may be a zygote of a modified 1-celloma.
- the term " base editing " refers to a base mutation (substitution, deletion, substitution, deletion, insertion, Deletion or addition), which can be distinguished from gene editing involving a relatively large number of base mutations in that only a few bases (one or two bases, e.g. one base) are mutated.
- the base correction may be one which does not involve double-stranded DNA cleavage of the gene.
- the opposite strand of the nicked DNA strand (the strand opposite to the strand where the PAM sequence is located, the strand to which the guide RNA binds (hybridizes)) (Base mutation or base substitution; mutation by A or C deamination) can occur.
- base correction base modification or base substitution
- base correction occurs at the 17th nucleotide in the 5 'direction from PAM.
- Base correction can also occur in the extended range from the 18th to the 30th, the 18th to the 25th, or the 18th to the 22th positions from the 17th and subsequent positions in the 5 'direction from the PAM, for example, from the PAM in the 5' direction .
- " means that a mutation (e.g., substitution) has occurred in a nucleotide comprising the base, and the term " nucleotide mutation (or nucleotide substitution) " , And such base mutations can occur in one or both of the alleles.
- the base mutation or the accompanying base correction can result in a termination codon at the target site, or a codon that encodes a wild-type and other amino acid, thereby knocking out the target gene, but not limited to, introducing a mutation into a noncoding DNA sequence that does not result in the production of the DNA sequence.
- the base correction or base mutation may be performed in vitro or in vivo .
- " means a sequence of a nucleotide comprising the base, which may be used in the same sense as a nucleotide sequence or a nucleic acid sequence.
- a 'target gene' refers to a gene to be subjected to base correction (or base mutation)
- a 'target site or target region' refers to a target specific target Refers to a site where base correction by an anti-nuclease is performed.
- the target specific nuclease includes an RNA-guided engineered nuclease (RGEN)
- RGEN RNA-guided engineered nuclease
- the target gene Double-stranded or double-stranded
- PAM sequence RNA-guided nuclease-recognizing sequence
- the target specific nuclease when it comprises an RNA-guided nuclease, it may comprise, along with the RNA-guided nuclease, a guiding RNA comprising a targeting sequence.
- the 'targeting sequence' may be a (hybridizable) region of the guide RNA comprising a nucleotide sequence complementary to the nucleotide sequence of a site comprising about 20 consecutive nucleotides (nt) in the target site.
- the extended guide RNA described herein further comprises 1-10 additional optional nucleotides at the 5 'end (selected from A, T, C, G; for example, may be a complementary sequence to the corresponding target sequence) And / or comprise 1-3 additional matching or mismatched guanines at the 5 'end.
- the 1-10 additional optional nucleotides at the 5 'end may be complementary sequences to sequences of the extended target DNA region corresponding thereto, whereby a single strand in which the PAM is exposed in the 5' direction at the target site By extending the length of the DNA, deamination can take place in a wider range.
- the base sequence of the target region including the base sequence complementary to the targeting sequence can be referred to as a 'target sequence', and the target sequence can be referred to as a 5 'region of the PAM sequence recognized by the RNA- Terminus and / or a contiguous nucleotide sequence of about 20 nt in length contiguous to the 3 ' end, or a corresponding site of the complementary strand.
- the diaminase generally refers to an enzyme having activity to remove an amine group from a specific base in eukaryotic cells, for example, a cytidine diaminase and / or an adenosine diaminase which converts cytidine to uridine.
- the diaminase may be at least one selected from the group consisting of APOBEC (apolipoprotein B mRNA editing enzyme, catalytic polypeptidelile), AID (activation-induced deaminase), tadA (tRNA-specific adenosine deaminase) But is not limited to.
- the APOBEC1, AID, and tadA may be derived from eukaryotic animals such as mammals such as primates including humans such as E. coli or primates including humans and rodents including mice.
- the diaminase may be used in the form of a protein, a gene (for example, DNA or mRNA) encoding the protein, or a recombinant vector containing the gene.
- a target-specific nuclease is also referred to as programmable nuclease and refers to any form capable of recognizing a specific position on a desired genomic DNA and cleaving (single strand cleavage or double strand cleavage) (E. G., Endonuclease). ≪ / RTI >
- the target-specific nuclease may be one or more selected from all nuclease capable of recognizing a specific sequence of a target gene and having a nucleotide-cleaving activity and causing indel (insertion and / or deletion, Indel) in the target gene .
- the target-specific nuclease may be one or more selected from the group consisting of RGEN (RNA-guided engineered nuclease; e.g. Cas protein (e.g., Cas9 etc.), Cpf1, etc.) derived from CRISPR But is not limited thereto.
- RGEN RNA-guided engineered nuclease; e.g. Cas protein (e.g., Cas9 etc.), Cpf1, etc.) derived from CRISPR But is not limited thereto.
- the target specific nuclease may recognize a specific nucleotide sequence in the genome of an animal, including a prokaryotic cell, and / or a human cell, such as an eukaryotic cell (e. G., Eukaryotic cell) to cause a double strand break (DSB).
- a prokaryotic cell e. G., Eukaryotic cell
- the double helix cleavage can cut the double helix of DNA to produce a blunt end or a cohesive end.
- DSBs can be efficiently repaired by homologous recombination or non-homologous end-joining (NHEJ) mechanisms in cells, where desired mutations can be introduced into the target site.
- NHEJ non-homologous end-joining
- the target-specific nuclease is selected from the group consisting of Cas protein (e.g., Cas9 protein (CRISPR (Clustered regularly interspersed short palindromic repeats) associated protein 9), Cpf1 protein (CRISPR from Prevotella and Francisella 1) And / or a nuclease associated with a CRISPR system of type V (e. G. Endonuclease), and the like.
- the target specific nuclease further comprises a target DNA-specific guide RNA for directing to a target site of the genomic DNA.
- the guide RNA may be transcribed in vitro, and may be, for example, an oligonucleotide double strand or a plasmid template, but is not limited thereto.
- the target specific nuclease may act in the form of a ribonucleic acid protein (RNP) by in vitro or in vivo (intracellular) delivery followed by RNAGuided Engineered Nuclease coupled to a guide RNA.
- RNP ribonucleic acid protein
- Cas proteins are a major protein component of the CRISPR / Cas system and are capable of forming an activated endonuclease or nickase.
- Cas protein or gene information can be obtained from known databases such as GenBank of the National Center for Biotechnology Information (NCBI).
- the Cas protein may be selected from the group consisting of Streptococcus sp.
- Campylobacter genus for example, Campylobacter Jeju Needle (Campylobacter jejuni ) Cas proteins, such as Cas9 protein; Cas proteins derived from Streptococcus such as Streptococcus thermophiles or Streptocuccus aureus such as Cas9 protein; Neisseria Meningidithis Casing proteins derived from the meningitidis , such as Cas9 protein; Cas proteins from the genus Pasteurella , such as Pasteurella multocida , such as Cas9 protein; The genus Francisella , for example, Francisella novicida- derived Cas proteins, such as Cas9 protein, and the like, but are not limited thereto.
- the Cpf1 protein is an endonuclease of the novel CRISPR system that is distinct from the CRISPR / Cas system, and is relatively small in size as compared to Cas9, does not require tracrRNA, and can function by a single guide RNA.
- it recognizes thymine-rich protospacer-adjacent motif (PAM) sequences and cuts double strands of DNA to produce a cohesive end (cohesive double-strand break).
- PAM thymine-rich protospacer-adjacent motif
- the Cpf1 protein is Pseudomonas as Candida tooth (Candidatus), A la pants Spira (Lachnospira), A beauty Lee V. (Butyrivibrio) in, Ferre Greenwich bacteria (Peregrinibacteria), axial domino nose kusu (Acidominococcus) in, formate pie ( Porphyromonas spp., Prevotella spp., Francisella spp., Candidatus spp.
- Methanoplasma or Eubacterium genus; for example, Parcubacteria bacterium (GWC2011_GWC2_44_17), Lachnospiraceae bacterium (MC2017), Butyrivibrio proteoclasicus , Peregrinibacteria bacterium (GW2011_GWA_33_10), Acidaminococcus sp. (BV3L6), Porphyromonas macacae, Lachnospiraceae bacterium (ND2006), Porphyromonas crevioricanis , Prevotella disiens , Moraxella bovoculi (237), Smiihella sp.
- SC_KO8D17 Leptospira inadai , Lachnospiraceae bacterium (MA2020), Francisella novicida (U112), Candidatus Methanoplasma termite, Candidatus Paceibacter , Eubacterium eligens, and the like, but the present invention is not limited thereto.
- the target specific nuclease may be isolated from the microorganism or nonnaturally occurring such as recombinant or synthetic methods.
- the target specific nuclease may be used in the form of a mRNA previously transcribed in vitro or a pre-produced protein form, or a form contained in a recombinant vector for expression in a target cell or in vivo.
- the target specific nuclease e.g., Cas9, Cpf1, etc.
- Recombinant DAN refers to a DNA molecule artificially created by genetic recombination methods, such as molecular cloning, to include heterologous or homologous genetic material obtained from a variety of organisms.
- the target-specific nuclease may be a mutated form of a mutated target-specific nuclease.
- the mutated target specific nuclease may mean that the mutant target nuclease is mutated to lose the endonuclease activity that cleaves the double strand of the DNA.
- a mutant target that has lost endonuclease activity and is mutated to have a nuclease activity A specific nuclease and a mutated target specific nuclease which is mutated to lose both endonuclease activity and niacase activity.
- the base conversion is sequentially or sequentially carried out with the base conversion by the diaminase (for example, conversion to cytidine is uradine)
- Nicks can be introduced in the strand or the opposite strand (e.g., the opposite strand of the strand where the base conversion takes place) (e.g., at the opposite strand of the strand where the PAM is located, at the 5 ' A nick is introduced at the position corresponding to the position between the fourth nucleotide).
- Such a variation of the target specific nuclease may be that occurring at least in the catalytic domain of the nuclease (e.g., the RuvC catalytic domain in the case of Cas9).
- the mutation is catalytic aspartate residue (catalytic aspartate residue Aspartic acid (D10) of the 986th position, glutamic acid (E762) at the 762nd position, histidine (H840) at the 840th position, asparagine (N854) at the 854th position, asparagine Acid (D986), and the like.
- catalytic aspartate residue catalytic aspartate residue Aspartic acid (D10) of the 986th position, glutamic acid (E762) at the 762nd position, histidine (H840) at the 840th position, asparagine (N854) at the 854th position, asparagine Acid (D986), and the like.
- any other amino acid to be substituted may be alanine, but is not limited thereto.
- the mutation target-specific nuclease may be mutated to recognize a PAM sequence that is different from the wild-type Cas9 protein.
- the mutation target-specific nuclease may include at least one of an aspartic acid (D1135) at position 1135, arginine at position 1335 (R1335), and threonine at position 1337 (T1337) of Cas9 protein derived from Streptococcus pyoensis , Such as all three of which are mutated to recognize an NGA (N is any base selected from A, T, G, and C) that is different from the PAM sequence (NGG) of wild-type Cas9.
- NGA is any base selected from A, T, G, and C
- the mutation target specific nuclease is selected from the amino acid sequence of Cas9 protein from Streptococcus fyiensense,
- the 'other amino acids' include, but are not limited to, alanine, isoleucine, leucine, methionine, phenylalanine, proline, tryptophan, valine, aspartic acid, cysteine, glutamine, glycine, serine, threonine, tyrosine, aspartic acid, Arginine, histidine, lysine, and any of the known variants of the above amino acids, amino acids other than the amino acids that the wild-type protein originally has at the mutation position.
- the 'other amino acid' may be alanine, valine, glutamine, or arginine.
- the modified Cas9 protein is a Cas9 protein derived from Streptococcus pyogenes,
- a strain Cas9 having a mutation (for example, substitution with another amino acid) at the position of D10 or H840 to lose endonuclease activity and having a niacase activity or a Cas9 protein derived from Streptococcus pyogenes
- Mutations of (1) and (2) are all introduced to recognize PAM sequences having a nicase activity and different from wild type, or to lose endonuclease activity and niacase activity and recognize PAM sequences that are different from wild type Gt; Cas9 < / RTI > protein.
- a mutation at the D10 position of the CAs9 protein may result in a D10A mutation
- nuclease " means, unless otherwise stated, a " target specific nuclease ", such as Cas9, Cpf1,
- the nuclease may be isolated from microorganisms or artificially or non-naturally occurring such as recombinant or synthetic methods.
- the nuclease e.g., Cas9, Cpf1, etc.
- the nuclease may be a recombinant protein made by recombinant DNA.
- Recombinant DNA refers to DNA molecules artificially created by recombinant methods such as molecular cloning to include heterologous or homologous genetic material obtained from various organisms.
- the nuclease may be selected from the group consisting of a protein, a nucleic acid molecule (for example, DNA or mRNA) encoding the same, a ribonucleic acid protein bound to a guide RNA, a nucleic acid molecule encoding the ribonucleic acid protein, or a recombinant vector Can be used.
- the diamines and nuclease, and / or nucleic acid molecules encoding them may be in a form that can be delivered into the nucleus, acted on, and / or expressed in the nucleus.
- the diamines and nuclease can be in a form that is easy to introduce into cells.
- the diamines and nuclease can be linked to a cell penetration peptide and / or protein transduction domain.
- the protein transfer domain may be a poly-arginine or a TAT protein derived from HIV, but is not limited thereto.
- Various types of cell penetrating peptide or protein transfer domains other than the above-described examples are well known in the art, so that a person skilled in the art can apply various examples without limitation to the above examples.
- the diamines and nucleases and / or nucleic acid molecules encoding the same may further comprise a nuclear localization signal (NLS) sequence or a nucleic acid sequence encoding the same.
- NLS nuclear localization signal
- the expression cassette comprising the diaminase-encoding nucleic acid molecule and / or nuclease-encoding nucleic acid molecule may comprise a regulatory sequence such as a promoter sequence for expressing the diaminase and / or nuclease and optionally an NLS sequence CCCAAGAAGAAGAGGAAAGTC: SEQ ID NO: 2).
- NLS sequences are well known in the art.
- the diamines and nucleases and / or nucleic acid molecules encoding the same may be linked to tags for separation and / or purification, or nucleic acid sequences encoding the tags.
- the tag may be appropriately selected from the group consisting of a small peptide tag such as a His tag, a Flag tag, and an S tag, a GST (Glutathione S-transferase) tag, an MBP (Maltose binding protein) tag, It is not limited.
- composition for correcting a base used in the present invention may contain a uracil DNA glycosylase inhibitor (UGI) or a gene encoding the Uracil DNA glycosylase inhibitor (UGI), such as a recombinant vector form containing coding DNA or an in vitro transcribed mRNA form May be further included.
- UMI uracil DNA glycosylase inhibitor
- Uracil DNA glycosylase inhibitor a gene encoding the Uracil DNA glycosylase inhibitor
- composition for orthodontic treatment further comprises a uracil DNA glycosylase inhibitor, a specific base substitution by a diaminase (for example, a C to T substitution by a cytosine diaminase) , And when the uracil DNA glycosylase inhibitor is not further contained, the base substitution ratio of the form other than the specific base substitution (for example, C to T substitution by the cytosine diaminase) becomes high (that is, ≪ / RTI >
- the term " guide RNA " refers to an RNA comprising a targeting sequence capable of hybridizing to a specific base sequence (target sequence) in a target region in a target gene, and may be in vitro or in vivo Or cells), such as cas proteins, Cpf1, and the like, and directs them to a target gene (or target site).
- the guide RNA may be appropriately selected depending on the kind of nuclease to be complexed and / or the microorganism derived therefrom.
- RNA crRNA
- a trans-activating crRNA comprising a site that interacts with a nocrease such as Cas protein, Cpf1, etc.
- a single guide RNA in the form of fusion of the major parts of the crRNA and the tracrRNA (for example, a crRNA site including a targeting sequence and a site of a tracrRNA interacting with a nuclease)
- a dual RNA comprising CRISPR RNA (crRNA) and a trans-activating crRNA (tracrRNA), or a single guide RNA (sgRNA) comprising a major region of a crRNA and a tracrRNA.
- crRNA CRISPR RNA
- tracrRNA trans-activating crRNA
- sgRNA single guide RNA
- the sgRNA is a part having a sequence (a targeting sequence) complementary to a target sequence in a target gene (also referred to as a target DNA recognition sequence, a base pairing region, etc.) and a hairpin structure . ≪ / RTI > More specifically, it may include a portion including a sequence complementary to the target sequence in the target gene (targeting sequence), a hairpin structure for cas protein binding, and a terminator sequence.
- the structures described above may be sequentially present in the order of 5 'to 3', but are not limited thereto. Any type of guide RNA can be used in the present invention if the guide RNA comprises a major portion of the crRNA and tracrRNA and a complementary portion of the target DNA.
- the Cas9 protein contains two guide RNAs, a CRISPR RNA (nucleotide sequence) capable of hybridizing with the target region of the target gene and a trans-activating crRNA
- CRISPR RNA nucleotide sequence
- tracrRNAs can be used in the form of a double-stranded crRNA: tracrRNA complex linked to each other or in the form of a single guide RNA (sgRNA) linked through a linker.
- sgRNA single guide RNA
- the sgRNA comprises at least a portion of the crRNA comprising the hybridizable nucleotide sequence of the crRNA, and a portion of the tracrRNA portion comprising at least a site that interacts with the Cas9 protein of the cas9 tracrRNA Or all may form a hair-pin structure (stem-loop structure) through the nucleotide linker (the nucleotide linker may correspond to a loop structure).
- the guide RNA specifically a crRNA or an sgRNA, comprises a sequence complementary to a target sequence in a target gene (targeting sequence), and includes at least one upstream region of a crRNA or sgRNA, specifically at the 5 'end of a sRNA or dualRNA crRNA, , 1-10, 1-5, or 1-3 additional nucleotides.
- the additional nucleotide may be, but is not limited to, guanine (G).
- the guide RNA may contain crRNA and may be appropriately selected according to the kind of Cpf1 protein to be complexed and / or the microorganism derived therefrom.
- the specific sequence of the guide RNA can be appropriately selected according to the kind of nuclease (Cas9 or Cpf1) (that is, the derived microorganism), and it can be easily determined by those skilled in the art to be.
- the sgRNA when the Cas9 protein from Streptococcus pyogenes is used as the target specific nuclease, the sgRNA can be represented by the following general formula 1:
- the guide RNA may be represented by the following general formula 1:
- N cas9 ) l is a targeting sequence in which N cas9 binds (hybridizes) to a target site of a target gene, and its nucleic acid sequence is determined according to the sequence of the target site (that is, , L represents the number of nucleotides contained in the targeting sequence and may be 20, and the first nucleic acid from the 5'-terminus may be a guanine (designated G) that matches the target site sequence (C)) or mismatching guanine (expressed in g; the corresponding position of the target site is not cytosine (C));
- the oligonucleotide linker may contain 3 to 5 nucleotides, for example 4 nucleotides, and the nucleotides may be the same or different from each other and may be independently selected from the group consisting of A, U, C and G.
- X20 (the number after X represents the number of arbitrary nucleotides (X: selected from A, T, C, and G) Can be represented by GX19 when the guanine matched to the first nucleic acid is located, and gX19 when the guanine mismatching from the 5'-terminus to the first nucleic acid is located.
- the sgRNA may further comprise a termination site comprising 5 to 7 uracil (U) at the 3 'terminus.
- the extended guide RNA may further comprise 1 to 10 nucleotides at the 5 'end of the sgRNA of the general formula 1 described above.
- the further included nucleotides may each independently be selected from among A, T, C, and G.
- the nucleotide further included may have a sequence complementary to the nucleotide at the corresponding position (extended position) of the target DNA sequence.
- the sgRNA may further include 1 to 3 guanines (G) at the 5 'terminus.
- G guanines
- the additional guanine may be independently complementary (matched) to the nucleotide at the corresponding position in the target sequence, or may be non-complementary (mismatching).
- the base correction frequency and / or efficiency is increased in the case of elongated sgRNA forms, further comprising 1 to 10 nucleotides (each independently selected from among A, T, C, and G) Base correction can occur.
- the target sequence of the guide RNA is a strand in which a PAM (Protospacer Adjacent Motif sequence on the target DNA (5'-NGG-3 '(N is A, T, G, or C) in the case of S. pyogenes Cas9) May be 20 contiguous nucleic acid sequences located 5 ' of PAM on the opposite strand (complementary strand).
- PAM Protospacer Adjacent Motif sequence on the target DNA
- the targeting sequence of the guide RNA capable of hybridizing with the target sequence of the guide RNA is a DNA strand (i.e., a PAM sequence (5'-NGG-3 '(N is A, T, G, or C)
- a PAM sequence 5'-NGG-3 '(N is A, T, G, or C
- a sequence of at least 50%, at least 60%, at least 70%, at least 80%, at least 90%, at least 95%, at least 99%, or at least 100% identical to the nucleotide sequence of the complementary strand of the complementary strand Refers to a nucleotide sequence having complementarity, and complementary binding with the nucleotide sequence of the complementary strand is possible.
- the nucleic acid sequence of the target site is represented by the nucleic acid sequence of the strand where the PAM sequence is located in the two DNA strands of the corresponding gene site of the target gene.
- the targeting sequence contained in the guide RNA can be obtained by substituting the sequence of the target site Lt; / RTI > Therefore, in this specification, the targeting sequence of the guide RNA and the sequence of the target site (or the sequence of the cleavage site) are represented by the same nucleic acid sequence except that T and U are mutually modified.
- the guide RNA may be used (or included in the composition) in the form of a plasmid containing (or included in) the above-described RNA or a DNA encoding the same.
- Example 1 Change in base-editing window according to sgRNA length
- FIG. 2A shows ABE 7.10 substitution activity according to the base position according to sgRNA length in HEK2 site.
- Figure 2b shows the relative substitution activity [gX20 ⁇ 30 activity / GX19 activity] as compared to when using GX19 sgRNA.
- FIG. 2C shows the most frequently occurring mutation allele. In FIG. 2C, the portion where the mutation was introduced in the WT sequence is shown in red.
- FIG. 2D shows the BE3 substitution activity according to the base position according to the sgRNA length in the HBB site.
- Figure 2E shows the relative substitution activity [gX20 ⁇ 30 activity / GX19 activity] compared to when using GX19 sgRNA.
- FIG. 2F shows the most frequently occurring mutation allele, and the portion where the mutation was introduced in the WT sequence is shown in red.
- a base-editing window known as a site that works efficiently when using GX19 sgRNA, is shown in sky blue.
- Example 2 Change in base-editing window when using sgRNA containing 1 or 2 additional mismatch G
- BE3 substitution activity with sgRNA length was determined at the FANCF site (FIG. 3A) and HBB site (FIG. 3C) by base position.
- Relative substitution activity [gX20 ⁇ 30 activity / GX19 activity] is shown in the FANCF site ( Figure 3b) and the HBB site ( Figure 3d), as compared to using GX19 sgRNA.
- Example 3 Change of baseediting window according to sgRNA length at four different sites
- FIG. 4A shows the substitution activity [gX20-30 activity / GX19 activity] of ABE 7.10 relative to the use of GX19 sgRNA at four sites, and the results are shown in FIG. 4A.
- FIG. 4B shows the relative substitution activity [gX20-30 activity / GX19 activity] of BE3 relative to that of GX19 sgRNA, and the result is shown in FIG. 4B.
- a base-editing window known as a site that works efficiently when using GX19 sgRNA, is shown in sky blue. Each activity was measured by HEK293T cell line by deep-sequencing method.
- Example 4 Change of base-editing window according to sgRNA type in rape and soybean
- Figure 5b shows the change of the allele with the most frequently occurring mutation according to the sgRNA type. It was confirmed that TAG stop codon was produced only when gX20 sgRNA was used.
- Example 5 Change of base-editing window according to sgRNA type in mouse
- the present invention it is possible to improve the frequency and / or efficiency of base correction by using an elongated guide RNA of an elongated form than the normal guide RNA in the gene base calibration using diaminase, So that the desired point mutation can be effectively induced.
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Abstract
Description
Claims (17)
- 표적서열과 혼성화 가능한 연장된 가이드 RNA로, 5′말단에 1~3개의 구아닌(G)과 1~10개의 뉴클레오타이드(각각 독립적으로 A, T, C, 및 G 중에서 선택될 수 있음)를 추가로 포함하는 것을 특징으로 하는 염기교정용 가이드 RNA.
- 제1항에 있어서, 상기 5′말단에 추가되는 구아닌은 표적 서열과 상보적이거나 비상보적인 것을 특징으로 하는 가이드 RNA.
- 제1항에 있어서, 상기 가이드 RNA는 표적서열과 혼성화 가능한 부위인 CRISPR RNA (crRNA) 및 상기 RNA-가이드 뉴클레아제와 상호작용하는 부위인 trans-activating crRNA(tracrRNA)를 포함하는 것을 특징으로 하는 가이드 RNA.
- (i) 디아미나제 또는 이를 코딩하는 유전자, (ii) RNA-가이드 뉴클레아제 또는 이를 코딩하는 유전자 및 (iii) 표적서열과 혼성화 가능한 연장된 가이드 RNA 또는 이를 코딩하는 유전자를 포함하는 염기교정용 조성물로,여기서, 상기 연장된 가이드 RNA는 5′말단에 1~3개의 구아닌(G)과 1~10개의 뉴클레오타이드(각각 독립적으로 A, T, C, 및 G 중에서 선택될 수 있음)를 추가로 포함하는 것을 특징으로 하는 염기교정용 조성물.
- 제4항에 있어서, 상기 연장된 가이드 RNA의 5′말단에 추가되는 구아닌은 표적 서열과 상보적이거나 비상보적인 것을 특징으로 하는 조성물.
- 제4항에 있어서, 상기 가이드 RNA는 표적서열과 혼성화 가능한 부위인 CRISPR RNA (crRNA) 및 상기 RNA-가이드 뉴클레아제와 상호작용하는 부위인 trans-activating crRNA(tracrRNA)를 포함하는 것을 특징으로 하는 조성물.
- 제4항에 있어서, 상기 가이드 RNA는 이중 가이드 RNA 또는 단일 가이드 RNA (sgRNA)인 것을 특징으로 하는 조성물.
- 제4항에 있어서, 상기 디아미나제는 APOBEC1 (apolipoprotein B editing complex 1), AID (activation-induced deaminase) 및 tadA (tRNA-specific adenosine deaminase)로 구성된 군에서 선택되는 것을 특징으로 하는 조성물.
- 제4항에 있어서, 우라실 DNA 글리코실라제 억제제 (uracil DNA glycosylase inhibitor: UGI) 또는 이를 코딩하는 유전자를 추가로 포함하는 것을 특징으로 하는 조성물.
- 제4항에 있어서, 핵위치화서열 (NLS) 또는 이를 코딩하는 유전자를 추가로 포함하는 것을 특징으로 하는 조성물.
- 제4항에 있어서, 상기 RNA-가이드 뉴클레아제는 표적 유전자의 한 가닥을 절단하도록 변형된 변형 Cas9 (CRISPR 관련 단백질 9) 또는 변형 Cpf1(Prevotella 및 Francisella 1 유래 CRISPR) 시스템인 것을 특징으로 하는 조성물.
- 제8항에 있어서, 상기 RNA-가이드 뉴클레아제는 Cas9 니카아제 (Cas9 nickase; nCas9) 또는 촉매활성 결핍 Cas9 (catalytically-deficient Cas9; dCas9)인 것을 특징으로 하는 조성물.
- 제4항의 염기교정용 조성물을 세포에 도입시키는 단계를 포함하는 염기 교정방법.
- 제13항에 있어서, 상기 세포는 진핵세포인 것을 특징으로 하는 방법.
- 제14항에 있어서, 상기 진핵세포는 동물 세포 또는 진핵 식물 세포인 것을 특징으로 하는 방법.
- 제15항에 있어서, 상기 진핵세포는 포유동물 배아세포 또는 진핵식물 배아인 것을 특징으로 하는 방법.
- 다음 단계를 포함하는 돌연변이가 유발된 인간을 제외한 포유동물 또는 진핵 식물 성체의 제조방법;(a) 제4항의 염기 교정용 조성물을 포유동물 배아 또는 진핵식물 배아에 도입시키는 단계; 및(b) 상기 배아를 성장시켜 성체를 획득하는 단계.
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CN201980014548.2A CN111742051A (zh) | 2018-01-23 | 2019-01-23 | 延伸的单向导rna及其用途 |
JP2020561562A JP7075170B2 (ja) | 2018-01-23 | 2019-01-23 | 延長された単一ガイドrna及びその用途 |
US16/964,277 US20210032621A1 (en) | 2018-01-23 | 2019-01-23 | Extended single guide rna and use thereof |
KR1020207021532A KR20200103769A (ko) | 2018-01-23 | 2019-01-23 | 연장된 단일 가이드 rna 및 그 용도 |
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US (1) | US20210032621A1 (ko) |
EP (1) | EP3744844A4 (ko) |
JP (1) | JP7075170B2 (ko) |
KR (1) | KR20200103769A (ko) |
CN (1) | CN111742051A (ko) |
WO (1) | WO2019147014A1 (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021032155A1 (zh) * | 2019-08-20 | 2021-02-25 | 中国科学院遗传与发育生物学研究所 | 一种碱基编辑系统和其使用方法 |
US11268082B2 (en) | 2017-03-23 | 2022-03-08 | President And Fellows Of Harvard College | Nucleobase editors comprising nucleic acid programmable DNA binding proteins |
US11306324B2 (en) | 2016-10-14 | 2022-04-19 | President And Fellows Of Harvard College | AAV delivery of nucleobase editors |
US11319532B2 (en) | 2017-08-30 | 2022-05-03 | President And Fellows Of Harvard College | High efficiency base editors comprising Gam |
US11447770B1 (en) | 2019-03-19 | 2022-09-20 | The Broad Institute, Inc. | Methods and compositions for prime editing nucleotide sequences |
US11542509B2 (en) | 2016-08-24 | 2023-01-03 | President And Fellows Of Harvard College | Incorporation of unnatural amino acids into proteins using base editing |
US11542496B2 (en) | 2017-03-10 | 2023-01-03 | President And Fellows Of Harvard College | Cytosine to guanine base editor |
US11560566B2 (en) | 2017-05-12 | 2023-01-24 | President And Fellows Of Harvard College | Aptazyme-embedded guide RNAs for use with CRISPR-Cas9 in genome editing and transcriptional activation |
US11661590B2 (en) | 2016-08-09 | 2023-05-30 | President And Fellows Of Harvard College | Programmable CAS9-recombinase fusion proteins and uses thereof |
US11702651B2 (en) | 2016-08-03 | 2023-07-18 | President And Fellows Of Harvard College | Adenosine nucleobase editors and uses thereof |
US11732274B2 (en) | 2017-07-28 | 2023-08-22 | President And Fellows Of Harvard College | Methods and compositions for evolving base editors using phage-assisted continuous evolution (PACE) |
US11795443B2 (en) | 2017-10-16 | 2023-10-24 | The Broad Institute, Inc. | Uses of adenosine base editors |
US11820969B2 (en) | 2016-12-23 | 2023-11-21 | President And Fellows Of Harvard College | Editing of CCR2 receptor gene to protect against HIV infection |
US11866726B2 (en) | 2017-07-14 | 2024-01-09 | Editas Medicine, Inc. | Systems and methods for targeted integration and genome editing and detection thereof using integrated priming sites |
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US11912985B2 (en) | 2020-05-08 | 2024-02-27 | The Broad Institute, Inc. | Methods and compositions for simultaneous editing of both strands of a target double-stranded nucleotide sequence |
US12043852B2 (en) | 2015-10-23 | 2024-07-23 | President And Fellows Of Harvard College | Evolved Cas9 proteins for gene editing |
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CN115678900A (zh) * | 2021-07-30 | 2023-02-03 | 中国科学院天津工业生物技术研究所 | 缩小碱基编辑器的编辑窗口的方法、碱基编辑器及用途 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100076057A1 (en) * | 2008-09-23 | 2010-03-25 | Northwestern University | TARGET DNA INTERFERENCE WITH crRNA |
EP3009511A2 (en) * | 2015-06-18 | 2016-04-20 | The Broad Institute, Inc. | Novel crispr enzymes and systems |
KR20160133380A (ko) * | 2015-05-12 | 2016-11-22 | 연세대학교 산학협력단 | 선형 이중가닥 DNA를 활용한 CRISPR/Cas9 시스템을 이용한 표적 유전체 교정 |
KR20170068400A (ko) * | 2015-12-08 | 2017-06-19 | 기초과학연구원 | Cpf1을 포함하는 유전체 교정용 조성물 및 그 용도 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2007329458A1 (en) * | 2006-12-04 | 2008-06-12 | Abbott Laboratories | Companion diagnostic assays for cancer therapy |
CN110066775B (zh) * | 2012-10-23 | 2024-03-19 | 基因工具股份有限公司 | 用于切割靶dna的组合物及其用途 |
US9834791B2 (en) * | 2013-11-07 | 2017-12-05 | Editas Medicine, Inc. | CRISPR-related methods and compositions with governing gRNAS |
US9840699B2 (en) * | 2013-12-12 | 2017-12-12 | President And Fellows Of Harvard College | Methods for nucleic acid editing |
EP3080260B1 (en) * | 2013-12-12 | 2019-03-06 | The Broad Institute, Inc. | Crispr-cas systems and methods for altering expression of gene products, structural information and inducible modular cas enzymes |
JP2015133554A (ja) | 2014-01-10 | 2015-07-23 | 三菱電機株式会社 | 有線伝送装置及び終端抵抗の抵抗値の調整方法 |
JP6206893B2 (ja) * | 2014-03-05 | 2017-10-04 | 国立大学法人神戸大学 | 標的化したdna配列の核酸塩基を特異的に変換するゲノム配列の改変方法及びそれに用いる分子複合体 |
BR112016028564A2 (pt) * | 2014-06-06 | 2018-01-30 | Regeneron Pharma | método para modificar um locus-alvo em uma célula. |
MX2017010480A (es) * | 2015-02-18 | 2017-11-13 | Univ Iowa State Res Found Inc | Modificacion del sitio de enlace represor transcripcional en el promotor nf-yc4 para contenido de proteina incrementado y resistencia al estres. |
US10167457B2 (en) * | 2015-10-23 | 2019-01-01 | President And Fellows Of Harvard College | Nucleobase editors and uses thereof |
JP6826930B2 (ja) | 2016-03-29 | 2021-02-10 | 住友化学株式会社 | 発光素子 |
EP3447139B1 (en) * | 2016-04-21 | 2022-06-08 | National University Corporation Kobe University | Method for increasing mutation introduction efficiency in genome sequence modification technique, and molecular complex to be used therefor |
US11192929B2 (en) * | 2016-12-08 | 2021-12-07 | Regents Of The University Of Minnesota | Site-specific DNA base editing using modified APOBEC enzymes |
CN106834341B (zh) * | 2016-12-30 | 2020-06-16 | 中国农业大学 | 一种基因定点突变载体及其构建方法和应用 |
-
2019
- 2019-01-23 WO PCT/KR2019/000962 patent/WO2019147014A1/ko unknown
- 2019-01-23 EP EP19743145.5A patent/EP3744844A4/en active Pending
- 2019-01-23 JP JP2020561562A patent/JP7075170B2/ja active Active
- 2019-01-23 US US16/964,277 patent/US20210032621A1/en active Pending
- 2019-01-23 KR KR1020207021532A patent/KR20200103769A/ko not_active Application Discontinuation
- 2019-01-23 CN CN201980014548.2A patent/CN111742051A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100076057A1 (en) * | 2008-09-23 | 2010-03-25 | Northwestern University | TARGET DNA INTERFERENCE WITH crRNA |
KR20160133380A (ko) * | 2015-05-12 | 2016-11-22 | 연세대학교 산학협력단 | 선형 이중가닥 DNA를 활용한 CRISPR/Cas9 시스템을 이용한 표적 유전체 교정 |
EP3009511A2 (en) * | 2015-06-18 | 2016-04-20 | The Broad Institute, Inc. | Novel crispr enzymes and systems |
KR20170068400A (ko) * | 2015-12-08 | 2017-06-19 | 기초과학연구원 | Cpf1을 포함하는 유전체 교정용 조성물 및 그 용도 |
Non-Patent Citations (4)
Title |
---|
LI, BIN: "Engineering CRISPR-Cpfl crRNAs and mRNAs to maximize genome editing efficiency", NAT BIOMED ENG., vol. 1, no. 5, 2017, pages 1 - 21, XP055564263 * |
RAN F.A. ET AL., NAT. PROTOC., vol. 8, 2013, pages 2281 - 2308 |
See also references of EP3744844A4 |
WOO J.W. ET AL., NAT. BIOTECHNOL., vol. 33, 2015, pages 1162 - 1164 |
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US11702651B2 (en) | 2016-08-03 | 2023-07-18 | President And Fellows Of Harvard College | Adenosine nucleobase editors and uses thereof |
US11999947B2 (en) | 2016-08-03 | 2024-06-04 | President And Fellows Of Harvard College | Adenosine nucleobase editors and uses thereof |
US11661590B2 (en) | 2016-08-09 | 2023-05-30 | President And Fellows Of Harvard College | Programmable CAS9-recombinase fusion proteins and uses thereof |
US11542509B2 (en) | 2016-08-24 | 2023-01-03 | President And Fellows Of Harvard College | Incorporation of unnatural amino acids into proteins using base editing |
US12084663B2 (en) | 2016-08-24 | 2024-09-10 | President And Fellows Of Harvard College | Incorporation of unnatural amino acids into proteins using base editing |
US11306324B2 (en) | 2016-10-14 | 2022-04-19 | President And Fellows Of Harvard College | AAV delivery of nucleobase editors |
US11820969B2 (en) | 2016-12-23 | 2023-11-21 | President And Fellows Of Harvard College | Editing of CCR2 receptor gene to protect against HIV infection |
US11898179B2 (en) | 2017-03-09 | 2024-02-13 | President And Fellows Of Harvard College | Suppression of pain by gene editing |
US11542496B2 (en) | 2017-03-10 | 2023-01-03 | President And Fellows Of Harvard College | Cytosine to guanine base editor |
US11268082B2 (en) | 2017-03-23 | 2022-03-08 | President And Fellows Of Harvard College | Nucleobase editors comprising nucleic acid programmable DNA binding proteins |
US11560566B2 (en) | 2017-05-12 | 2023-01-24 | President And Fellows Of Harvard College | Aptazyme-embedded guide RNAs for use with CRISPR-Cas9 in genome editing and transcriptional activation |
US11866726B2 (en) | 2017-07-14 | 2024-01-09 | Editas Medicine, Inc. | Systems and methods for targeted integration and genome editing and detection thereof using integrated priming sites |
US11732274B2 (en) | 2017-07-28 | 2023-08-22 | President And Fellows Of Harvard College | Methods and compositions for evolving base editors using phage-assisted continuous evolution (PACE) |
US11932884B2 (en) | 2017-08-30 | 2024-03-19 | President And Fellows Of Harvard College | High efficiency base editors comprising Gam |
US11319532B2 (en) | 2017-08-30 | 2022-05-03 | President And Fellows Of Harvard College | High efficiency base editors comprising Gam |
US11795443B2 (en) | 2017-10-16 | 2023-10-24 | The Broad Institute, Inc. | Uses of adenosine base editors |
US11795452B2 (en) | 2019-03-19 | 2023-10-24 | The Broad Institute, Inc. | Methods and compositions for prime editing nucleotide sequences |
US11643652B2 (en) | 2019-03-19 | 2023-05-09 | The Broad Institute, Inc. | Methods and compositions for prime editing nucleotide sequences |
US11447770B1 (en) | 2019-03-19 | 2022-09-20 | The Broad Institute, Inc. | Methods and compositions for prime editing nucleotide sequences |
WO2021032155A1 (zh) * | 2019-08-20 | 2021-02-25 | 中国科学院遗传与发育生物学研究所 | 一种碱基编辑系统和其使用方法 |
CN114945670A (zh) * | 2019-08-20 | 2022-08-26 | 上海蓝十字医学科学研究所 | 一种碱基编辑系统和其使用方法 |
US11912985B2 (en) | 2020-05-08 | 2024-02-27 | The Broad Institute, Inc. | Methods and compositions for simultaneous editing of both strands of a target double-stranded nucleotide sequence |
US12031126B2 (en) | 2020-05-08 | 2024-07-09 | The Broad Institute, Inc. | Methods and compositions for simultaneous editing of both strands of a target double-stranded nucleotide sequence |
Also Published As
Publication number | Publication date |
---|---|
EP3744844A1 (en) | 2020-12-02 |
JP2021511824A (ja) | 2021-05-13 |
KR20200103769A (ko) | 2020-09-02 |
EP3744844A4 (en) | 2021-10-20 |
US20210032621A1 (en) | 2021-02-04 |
JP7075170B2 (ja) | 2022-05-25 |
CN111742051A (zh) | 2020-10-02 |
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