WO2005083073A1 - Dnaエンザイムおよびその活性制御方法 - Google Patents
Dnaエンザイムおよびその活性制御方法 Download PDFInfo
- Publication number
- WO2005083073A1 WO2005083073A1 PCT/JP2005/003052 JP2005003052W WO2005083073A1 WO 2005083073 A1 WO2005083073 A1 WO 2005083073A1 JP 2005003052 W JP2005003052 W JP 2005003052W WO 2005083073 A1 WO2005083073 A1 WO 2005083073A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- dna
- dna enzyme
- nitro
- substituted
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/16—Hydrolases (3) acting on ester bonds (3.1)
- C12N9/22—Ribonucleases RNAses, DNAses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H21/00—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
- C07H21/04—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids with deoxyribosyl as saccharide radical
Definitions
- the present invention relates to a DNA enzyme and a method for controlling its activity. More specifically, the present invention relates to a DNA enzyme whose RNA-cleaving activity is greatly improved compared to a DNA enzyme consisting of only natural four bases, and a specific wavelength. The present invention relates to a method for controlling the activity of a DNA enzyme by light irradiation.
- RNA hydrolase consisting of only natural DNA
- RNA hydrolase composed solely of DNA is generally called DNA enzyme (DNA ribozyme, DNAzyme), and is a human elibonuclease developed by an in vitro selection method and is a metal in vivo. Since Mg 2+ is used as a cofactor, it can be applied in vivo.
- DNA enzyme DNA ribozyme, DNAzyme
- Mg 2+ is used as a cofactor, it can be applied in vivo.
- the base sequence of the substrate RNA at the cleavage site is GA for the 8-17 type DNA enzyme, and Y (U or C) R (A or G) for the 10-23 type DNA enzyme.
- the sequence of the DNA enzyme is complementary to the substrate RNA.
- CCGAGCCGG ACGA SEQ ID NO: 1 in the 8-17 type DNA enzyme
- GGCTAGCTACAA CGA SEQ ID NO: 2 in the 10-23 type DNA enzyme are catalytically active loops and are not complementary to substrate RNA.
- Non-Patent Document 2 control of gene expression by light irradiation is reported in Non-Patent Document 2, and the control of gene expression is performed by using artificial DNA in which azobenzene is introduced into the side chain of DNA.
- azobenzene is reversibly structurally isomerized into a trans-form (planar structure) and a cis-form (non-planar structure) by irradiation with light of a specific wavelength.
- Non-Patent Document 1 Proceedings of the National Academy of sciences of the United States of America 94.4262-4266 (1997)
- Non-Patent Document 2 Journal of Japanese Society for Biomaterials 21.290-296 (2003) Disclosure of Invention
- Non-Patent Document 1 has a very low activity as compared with a natural ribozyme whose RNA cleavage activity itself is never high. So DNAenza It is hoped that the high activity of the film is high.
- an object of the present invention is to provide a DNA enzyme which has significantly improved RNA cleavage activity as compared with the conventional DNA enzyme.
- Another object of the present invention is to provide an activity control method capable of reversibly controlling the RNA cleavage activity of a DNA enzyme by light irradiation.
- the present inventors have conducted intensive studies to solve the above problems, and as a result, have found that the above object can be achieved by introducing a nucleotide residue having a planar structure into a predetermined site of a DNA enzyme.
- the inventors have completed the DNA enzyme of the present invention.
- the DNA enzyme of the present invention comprises, at the end of the catalytic activity loop of the DNA enzyme on the third end, an organic group selected from the group consisting of azobenzene, spiropyran, stilbene, and derivatives thereof! Is characterized by the fact that the nucleotide residue to which is linked is introduced!
- the present inventors can reversibly convert the planar structure into a non-planar structure by irradiating the DNA enzyme with light having a specific wavelength, whereby the DNA enzyme can be reshaped. It has been found that the RNA cleavage activity can be controlled and the above-mentioned other objects can be achieved, and the activity control method of the present invention has been completed.
- some organic groups selected from the group consisting of azobenzene, spiropyran, stilbene and derivatives thereof are bound.
- the organic group is reversibly structurally changed into a planar structure and a non-planar structure. To do.
- the DNA enzyme of the present invention into which a nucleotide residue having a planar structure has been introduced has a significantly greater RNA cleavage activity than a DNA enzyme consisting of only four natural bases. To improve. Further, according to the method for controlling the activity of a DNA enzyme of the present invention, it becomes possible to reversibly control the cleavage activity of a DNA enzyme by irradiation with light of a specific wavelength, and light control of gene expression in vivo can be expected. .
- the DNA enzyme of the present invention is selected from the group consisting of azobenzene, spiropyran, stilbene, and derivatives thereof having a planar structure at the 3 ′ end of the catalytic activity loop of the DNA enzyme described in Non-Patent Document 1.
- Nucleotide residue to which the organic group is bonded is introduced and chemically modified.
- the base sequence of Kagami DNA Enzyme is complementary to the substrate RNA except for the catalytically active loop.
- the nucleotide sequence of RNA is not particularly limited.
- the DNA engine of the present invention is represented, for example, by the following formula.
- A represents a catalytically active loop end
- B represents a nucleotide or an oligonucleotide
- X represents any organic group selected from the group consisting of azobenzene, spiropyran, stilbene, and derivatives thereof.
- R is unsubstituted or substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group, or a carboxyl group, which is an alkyl group or an alkoxy group having 11 to 20, preferably 1 to 10, and more preferably 114 carbon atoms;
- water An acid group; a halogen atom; an amino group; a nitro group;
- X is preferably azobenzene or a derivative thereof. Further, any intervening group may be present at the bonding portion with the nucleotide residue. Examples of X include an organic group represented by the following formula (1), (II) or ( ⁇ ).
- Each of the lengths 11 and R 21 is a direct bond; unsubstituted or substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group, or a carboxyl group, each having 1 to 20, preferably 1 to 10, and more preferably 1 to 10 carbon atoms.
- Q is a direct bond, an oxygen atom, a (CH) NH—CO— group or a — (CH) CO—NH— group, where n
- R 2 — R 10 , R 12 — R 2 °, and R 22 — R 3 ° are each independently 1 to 1 carbon atoms that are unsubstituted or substituted with a halogen atom, hydroxyl group, amino group, nitro group, or carboxyl group. 20, preferably 1-10, more preferably 1-14 alkyl or alkoxy groups; Substituted or substituted with a halogen, hydroxyl, amino, nitro or carboxyl group, has 2 to 20, preferably 2 to 10, more preferably 2 to 4 alkenyl or alkynyl groups; hydroxyl group A halogen atom; an amino group; a nitro group; or a carboxyl group.
- the organic group to be introduced is preferably introduced covalently to any carbon atom in the case of an ethylene chain, or to the central carbon atom in the case of a trimethylene chain.
- RNA cleavage activity of the DNA enzyme a method for controlling the RNA cleavage activity of the DNA enzyme will be described.
- a nucleotide to which any one of organic groups selected from the group consisting of azobenzene, spiropyran, stilbene, and derivatives thereof is bonded to form a planar structure and a non-planar structure by irradiating light of a specific wavelength.
- this is irradiated with light of a specific wavelength.
- the organic group can be reversibly structurally isomerized into a planar structure and a non-planar structure, and the RNA cleavage activity can be controlled.
- the base sequence of the DNA enzyme is a base complementary to the substrate RNA, except for the catalytically active loop.
- the base sequence of RNA is not particularly limited.
- the DNA enzyme of the present invention is obtained, and the ability to exhibit high RNA cleavage activity.
- the introduction position is not particularly limited, and may be in an oligonucleotide complementary to the substrate RNA.
- a powerful DNA enzyme is represented, for example, by the following equation.
- a and B represent a hydrogen atom, a nucleotide or an oligonucleotide. However, A and B are not both hydrogen atoms.
- X represents any organic group selected from the group consisting of azobenzene, spiropyran, stilbene, and derivatives thereof.
- R is unsubstituted or substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group, or a carboxyl group, and is an alkyl or alkoxy group having 1 to 20, preferably 1 to 10, and more preferably 114 carbon atoms;
- the X is preferably azobenzene or a derivative thereof.
- any substituent may be present on the benzene ring as long as the function of controlling the enzyme activity by reversible structural isomerism due to light irradiation is not impaired.
- it may have an intervening group, it is preferable that the substituent at the para-position of azobenzene and the intervening group are groups that do not form a resonance structure with the benzene ring.
- Substituents such as a carboxyl group, an amino group, and a nitro group in the nora position and an amide bond in the para position take a resonance structure in the para position, so that azobenzene is a cis form (non-planar structure) and trans form. This is because it becomes thermally heterogeneous (flat structure).
- the substituent at the meta position is preferably a group other than the -toro group.
- Examples of X include an organic group represented by the following formula (IV), (V) or (VI).
- R 31 , R 41 and R 51 are each a direct bond; unsubstituted or substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group or a carboxyl group.
- the number of carbon atoms in the alkylene group is 1 to 20, preferably 1 to 10, and more preferably 1 to 4, or unsubstituted or substituted by a halogen atom, hydroxyl group, amino group, nitro group or carboxyl group. 2-20, preferably 2-10, and more preferably 2-4 alkenylene groups.
- Q is a direct bond, an oxygen atom, a (CH) NH—CO— group or
- R — R, R, R, R — R, R, R, R, R, R 6 are each independently unsubstituted or substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group, or a carboxyl group
- the light to be irradiated for the purpose of structural isomerization of the organic group if the isomerization of the organic group is possible, light of all wavelengths in the ultraviolet region and in the infrared region can be used. 300 nm or more that does not damage A is preferable. For example, by irradiating 300-400 nm light (UV light), one isomer is structurally isomerized to another isomer, and by irradiating light (visible light) of 400 nm or more, the opposite change is observed. Can wake up.
- UV light UV light
- visible light visible light
- 3-aminobenzoic acid VII was dissolved in acetic acid, a solution of nitrosobenzene in acetic acid was mixed with the mixture, and the mixture was stirred at room temperature for 12 hours to obtain a crude product of 3-ferazobenzoic acid VIII.
- the obtained crude product was purified by recrystallization using ethanol. It was.
- the obtained 3-phenylazobenzoic acid VIII is reacted with D-threonol in N, N-dimethylformamide (DMF) in the presence of dicyclohexylcarbodiimide and 1-hydroxybenzotriazole.
- DMF N, N-dimethylformamide
- the obtained ⁇ -conjugated product IX was separated and purified by column chromatography, and then purified in a pyridine-dichloromethane mixed solvent according to the method described in Angewandte Chemie International edition 40.2671-2673 (2001).
- a pyridine-dichloromethane mixed solvent By reacting 4,4, dimethoxytrityl chloride in the presence of dimethylaminopyridine, the crude product of the compound X, in which one hydroxyl group is protected by a 4,4'-dimethoxytrityl (DMT) group, is obtained.
- DMT 4,4'-dimethoxytrityl
- a phosphoramidite monomer XI (b) was synthesized in the same manner as described above except that 4-phenylazobenzoic acid was used instead of 3-phenylazobenzoic acid VIII.
- a phosphoramidite monomer XI (c) was synthesized in exactly the same manner as described above except that paramethyl red was used instead of 3-phenylazobenzoic acid VIII.
- DNA-modified DNA enzyme into which the azobenzene derivative of the present invention was introduced was synthesized.
- a 10-23 type DNA enzyme was synthesized.
- the chemically modified DNA enzyme was synthesized using an ABI394-type DNA synthesizer, and the above-obtained phosphoamidite monomers XI (a)-(c) and the commercially available phosphoamidite monomers corresponding to the four natural bases were synthesized.
- a DNA enzyme of the present invention (DNA-1A: SEQ ID NO: 4, DNA-1B: SEQ ID NO: 5, DNA-1C: SEQ ID NO: 6) having the following base sequence was synthesized.
- DNA-N SEQ ID NO: 3
- SEQ ID NO: 3 a DNA enzyme composed of only four natural bases
- Table 1 The base sequence is shown in Table 1 below.
- the underlined nucleotide sequence represents a catalytic activity loop.
- RNA used as the substrate is as follows. To fluorescently label the substrate RNA,
- Fluorescein isothiocyanate (FITC) was introduced.
- DNA-1 A SEQ ID NO: 4
- DNA-1B SEQ ID NO: 5
- DNA-1C SEQ ID NO: 6)
- RNA cleavage experiments were performed according to the procedure. First, 4 ⁇ L of the DNA Enzyme aqueous solution, 4 / z L of the substrate RNA aqueous solution, and 4 L of the buffer aqueous solution are collected in a microtube, and sufficiently collected at room temperature. Stir to 'mix. The final concentration of each substance contained in the reaction solution was prepared as follows.
- Tris-HCl 50mmol / L
- RNA cut is quantified by exciting FITC with 470 nm light using a fluoro imager (FLA-3000: manufactured by Fuji Photo Film Co., Ltd.) and monitoring the fluorescence intensity at 520 nm. It has become.
- FLA-3000 manufactured by Fuji Photo Film Co., Ltd.
- a DNA enzyme was additionally synthesized according to the method of Synthesis Example 1.
- the base sequence is shown in Table 3 below.
- the underlined nucleotide sequence represents the catalytic activity loop
- a reaction solution was prepared at room temperature according to exactly the same procedure as in Example 13-13. Next, this was transferred to a thermostat at 37 ° C, and irradiated with ultraviolet light through a UV-D36C filter (made by Asahi Techno Glass) using a UV-A fluorescent lamp (FL6BL-1A: made by Toshiba). For a reaction time. Under these conditions, the intensity of the UV light was less than 100 ⁇ j / cm 2 . In addition, a reaction solution having the same composition was reacted under exactly the same conditions except that UV light was not irradiated.
- RNA cleavage activity can be controlled by irradiation with light even in A-enzyme.
- the highly active DNA enzyme of the present invention By using the highly active DNA enzyme of the present invention, it becomes possible to more efficiently suppress gene expression at the level of the messenger RNA as compared with the related art.
- the ability to control the enzyme activity of the DNA enzyme by light irradiation makes it possible to reversibly control gene expression. Thus, its usefulness can be expected in various fields of biotechnology.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Genetics & Genomics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Enzymes And Modification Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602005020431T DE602005020431D1 (de) | 2004-02-27 | 2005-02-24 | Dna-enzym und verfahren zur steuerung dessen aktivität |
JP2006510451A JP4653080B2 (ja) | 2004-02-27 | 2005-02-24 | Dnaエンザイムおよびその活性制御方法 |
EP05710653A EP1724343B1 (en) | 2004-02-27 | 2005-02-24 | Dna enzyme and method of controlling the activity thereof |
US10/590,777 US20070203331A1 (en) | 2004-02-27 | 2005-02-24 | Dna enzyme and method for controlling activity thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004055086 | 2004-02-27 | ||
JP2004-055086 | 2004-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005083073A1 true WO2005083073A1 (ja) | 2005-09-09 |
Family
ID=34908821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/003052 WO2005083073A1 (ja) | 2004-02-27 | 2005-02-24 | Dnaエンザイムおよびその活性制御方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070203331A1 (ja) |
EP (1) | EP1724343B1 (ja) |
JP (1) | JP4653080B2 (ja) |
DE (1) | DE602005020431D1 (ja) |
TW (1) | TW200528467A (ja) |
WO (1) | WO2005083073A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007107775A2 (en) * | 2006-03-23 | 2007-09-27 | The Queen's University Of Belfast | Preparation of oligonucleotides with photoswitchable properties |
WO2014157565A1 (ja) * | 2013-03-28 | 2014-10-02 | 国立大学法人北陸先端科学技術大学院大学 | 光クロスリンク能を有する光応答性ヌクレオチドアナログ |
US9018362B2 (en) | 2010-08-31 | 2015-04-28 | National University Corporation Nagoya University | Oligonucleotide and use thereof |
US10781175B2 (en) | 2016-07-15 | 2020-09-22 | Am Chemicals Llc | Solid supports and phosphoramidite building blocks for oligonucleotide conjugates |
US11078211B2 (en) | 2017-07-26 | 2021-08-03 | Japan Advanced Institute Of Science And Technology | Photoresponsive nucleotide analog capable of photocrosslinking in visible light region |
JP2021145616A (ja) * | 2020-03-19 | 2021-09-27 | 国立研究開発法人産業技術総合研究所 | Dna酵素及びrna切断方法 |
US11214590B2 (en) | 2017-07-26 | 2022-01-04 | Japan Advanced Institute Of Science And Technology | Photoresponsive nucleotide analog capable of photocrosslinking in visible light region |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109336921B (zh) * | 2018-08-23 | 2020-06-05 | 厦门大学 | Dna碱基类似物、用途及其合成方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7141665B1 (en) * | 1998-04-29 | 2006-11-28 | The Scripps Research Institute | Enzymatic DNA molecules |
-
2005
- 2005-02-21 TW TW094105072A patent/TW200528467A/zh unknown
- 2005-02-24 WO PCT/JP2005/003052 patent/WO2005083073A1/ja active Application Filing
- 2005-02-24 US US10/590,777 patent/US20070203331A1/en not_active Abandoned
- 2005-02-24 EP EP05710653A patent/EP1724343B1/en not_active Expired - Fee Related
- 2005-02-24 DE DE602005020431T patent/DE602005020431D1/de active Active
- 2005-02-24 JP JP2006510451A patent/JP4653080B2/ja not_active Expired - Fee Related
Non-Patent Citations (6)
Title |
---|
ASANUMA H. ET AL: "Photo-responsive ologonucleotides carrying azobenzene in the side-chains.", TETRAHEDRON LETTERS., vol. 39, no. 49, 1998, pages 9015 - 9018, XP002934800 * |
KURAMOCHI T. ET AL: "Azobenzene Donyu ni yoru DNA Enzyme no Kokinota (Functionalization of DNA enzyme by introduction of azobenzine residues)", CSJ: THE CHEMICAL SOCIETY OF JAPAN KOEN YOKOSHU., vol. 84, no. 2, 11 March 2004 (2004-03-11), pages 1070, XP002997264 * |
LIU Y. ET AL: "Light-regulated Catalysis by an RNA-cleaving Deoxyribozyme.", JOURNAL OF MOLECULAR BIOLOGY., vol. 341, no. 4, August 2004 (2004-08-01), pages 887 - 892, XP004743264 * |
SANTORO S.W. ET AL: "A general purpose RNA-cleavings DNA enzyme.", PROC.NATL.ACAD.SCI.USA., vol. 94, no. 9, 1997, pages 4262 - 4266, XP001009844 * |
See also references of EP1724343A4 * |
YAMAZAWA T. ET AL: "Kakusan Kino no Hikari Seigyo o Mezashita Shushoku Oligonucleotide no Sekkei (Photo-regulation of RNA cleavage by DNA enzyme carrying azobenzene)", POLYMER PREPRINTS, JAPAN., vol. 50, no. 5, 2001, pages 977, XP002997263 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007107775A3 (en) * | 2006-03-23 | 2008-03-27 | Univ Belfast | Preparation of oligonucleotides with photoswitchable properties |
WO2007107775A2 (en) * | 2006-03-23 | 2007-09-27 | The Queen's University Of Belfast | Preparation of oligonucleotides with photoswitchable properties |
US9018362B2 (en) | 2010-08-31 | 2015-04-28 | National University Corporation Nagoya University | Oligonucleotide and use thereof |
US10450334B2 (en) | 2013-03-28 | 2019-10-22 | Japan Science And Technology Agency | Photoresponsive nucleotide analogue having photocrosslinking ability |
JP5925383B2 (ja) * | 2013-03-28 | 2016-05-25 | 国立研究開発法人科学技術振興機構 | 光クロスリンク能を有する光応答性ヌクレオチドアナログ |
JP2016145229A (ja) * | 2013-03-28 | 2016-08-12 | 国立研究開発法人科学技術振興機構 | 光クロスリンク能を有する光応答性ヌクレオチドアナログ |
WO2014157565A1 (ja) * | 2013-03-28 | 2014-10-02 | 国立大学法人北陸先端科学技術大学院大学 | 光クロスリンク能を有する光応答性ヌクレオチドアナログ |
US10781175B2 (en) | 2016-07-15 | 2020-09-22 | Am Chemicals Llc | Solid supports and phosphoramidite building blocks for oligonucleotide conjugates |
US11447451B2 (en) | 2016-07-15 | 2022-09-20 | Am Chemicals Llc | Solid supports and phosphoramidite building blocks for oligonucleotide conjugates |
US11078211B2 (en) | 2017-07-26 | 2021-08-03 | Japan Advanced Institute Of Science And Technology | Photoresponsive nucleotide analog capable of photocrosslinking in visible light region |
US11214590B2 (en) | 2017-07-26 | 2022-01-04 | Japan Advanced Institute Of Science And Technology | Photoresponsive nucleotide analog capable of photocrosslinking in visible light region |
JP2021145616A (ja) * | 2020-03-19 | 2021-09-27 | 国立研究開発法人産業技術総合研究所 | Dna酵素及びrna切断方法 |
JP7437020B2 (ja) | 2020-03-19 | 2024-02-22 | 国立研究開発法人産業技術総合研究所 | Dna酵素及びrna切断方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1724343A4 (en) | 2008-05-14 |
EP1724343B1 (en) | 2010-04-07 |
TW200528467A (en) | 2005-09-01 |
JPWO2005083073A1 (ja) | 2008-01-17 |
EP1724343A1 (en) | 2006-11-22 |
JP4653080B2 (ja) | 2011-03-16 |
US20070203331A1 (en) | 2007-08-30 |
DE602005020431D1 (de) | 2010-05-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005083073A1 (ja) | Dnaエンザイムおよびその活性制御方法 | |
Hovinen et al. | Imidazole tethered oligodeoxyribonucleotides: synthesis and RNA cleaving activity | |
JP4127870B2 (ja) | 3’−標識ポリヌクレオチドの直接合成用の固体支持体試薬 | |
Saito et al. | Photoactivatable DNA-cleaving amino acids: highly sequence-selective DNA photocleavage by novel L-lysine derivatives | |
EP0695305B1 (en) | Method of forming oligonucleotides | |
JP4814904B2 (ja) | 核酸類の配列選択的な精製方法 | |
EP0214908B1 (fr) | Nouveaux composés comportant une séquence d'oligonucléotide liée à un agent d'intercalation et à un groupement chimique activable, leur synthèse et leurs applications, à titre de nucléases artificielles spécifiques de séquences | |
JPH06500556A (ja) | 連結分子を介する3’―尾分子付オリゴヌクレオチドの固体支持体合成 | |
Gryaznov et al. | RNA mimetics: oligoribonucleotide N3′→ P5′ phosphoramidates | |
Bellon et al. | 4′-Thio-oligo-β-d-ribonucleotides: synthesis of β-4′-thio-oligouridylates, nuclease resistance, base pairing properties, and interaction with HIV-1 reverse transcriptase | |
WO2001016151A1 (fr) | Acide nucleique a photocouplage reversible et phosphoroamidite | |
HU219638B (hu) | Terminálisan 3'-3'-, illetve 5'-5'-kötésekkel rendelkező oligoribonukleotid- és ribozim-analógok, valamint eljárás a vegyületek és az ezeket hatóanyagként tartalmazó gyógyszerkészítmények előállítására | |
JP3753942B2 (ja) | 5−ピリミジン含有核酸、それを用いた可逆的連結方法 | |
CA3188691A1 (en) | 3'end caps for rnai agents for use in rna interference | |
Minakawa et al. | A versatile modification of on-column oligodeoxynucleotides using a copper-catalyzed oxidative acetylenic coupling reaction | |
EP0678096B1 (en) | Synthesis of dimmer blocks and their use in assembling oligonucleotides | |
Gao et al. | Stabilization of double-stranded oligonucleotides using backbone-linked disulfide bridges | |
JP2000511933A (ja) | ホスホロチオエートオリゴヌクレオチド合成法 | |
US6770754B2 (en) | Universal supports for oligonucleotide synthesis | |
JP3753938B2 (ja) | 光連結性ヌクレオシド含有dnaを用いて塩基を点変異する方法 | |
Yang et al. | Specific binding of the biradical analog of neocarzinostatin chromophore to bulged DNA: Implications for thiol-independent cleavage | |
WO2007107775A2 (en) | Preparation of oligonucleotides with photoswitchable properties | |
US5919917A (en) | Photocleavable circular oligonucleotides | |
JP4550447B2 (ja) | 核酸固相合成用シリルリンカー | |
WO2014016202A1 (en) | Methods for catalytic alkylation of nucleic acids |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006510451 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005710653 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2005710653 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10590777 Country of ref document: US Ref document number: 2007203331 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 10590777 Country of ref document: US |