WO1995004832A1 - Procede de detection d'un acide nucleique - Google Patents
Procede de detection d'un acide nucleique Download PDFInfo
- Publication number
- WO1995004832A1 WO1995004832A1 PCT/JP1993/001124 JP9301124W WO9504832A1 WO 1995004832 A1 WO1995004832 A1 WO 1995004832A1 JP 9301124 W JP9301124 W JP 9301124W WO 9504832 A1 WO9504832 A1 WO 9504832A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nucleic acid
- polyamine
- detecting
- acid according
- enzyme
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6813—Hybridisation assays
- C12Q1/6816—Hybridisation assays characterised by the detection means
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
- C12Q1/28—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving peroxidase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
- C12Q1/42—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving phosphatase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6813—Hybridisation assays
Definitions
- the present invention relates to a method for detecting a nucleic acid utilizing the property that a polyamine electrostatically binds to a nucleic acid.
- a method for detecting nucleic acids a method using bromination reagents has been widely used.
- a nucleic acid is combined with a bromide medium (intercalation), and the position of the nucleic acid is known by the fluorescence emitted at that time.
- this method was inconvenient because fluorescence could not be confirmed in a light place, and the position of the nucleic acid had to be known by comparing the image taken under ultraviolet irradiation in a dark place with the actual product, which was inconvenient.
- brominated bromide has strong carcinogenicity
- the present invention provides (1) contacting a nucleic acid and a polyamine to which a label capable of generating a measurable signal or a precursor thereof has been bound to a solid carrier suspected of having or containing the nucleic acid; The precursor is converted to a label if a precursor is used, the polyamine which has not formed a complex before or after that is removed, and then the label is searched for.
- Nucleic acid detection method Nucleic acid detection method
- a probe capable of hybridizing to a target nucleic acid to which a label capable of generating a measurable signal or a precursor thereof has been ligated is attached to a solid carrier suspected of adhering or containing the target nucleic acid.
- a solid carrier suspected of adhering or containing the target nucleic acid is attached to a solid carrier suspected of adhering or containing the target nucleic acid.
- Contact under ditization conditions to form a hybrid convert to a label if a precursor is used, remove the unhybridized probe before or after, and then search for the label And forming a complex between the nucleic acid and the polyamine by contacting the polyamine with another label capable of generating a measurable signal or a precursor thereof, which is capable of generating a measurable signal.
- a method for discriminating and detecting a target nucleic acid and other nucleic acids which comprises performing a combination of the second detection operation, which includes removing the min, and then searching for a label, in any order.
- An object of the present invention is to provide a kit for detecting nucleic acids, including (a) a polyamine labeled with an enzyme, and (mouth) a chromogen which generates a signal by the action of an enzyme.
- a kit for detecting nucleic acids including (a) a polyamine labeled with an enzyme, and (mouth) a chromogen which generates a signal by the action of an enzyme.
- nucleic acid is a polymer in which nucleotides formed by binding of a purine or pyrimidine base and pentose and phosphoric acid are used as basic units and polymerized by ester bonds of phosphoric acid.
- Bases include adenine, cytosine, guanine, thymine, peracil and their modified bases.
- Nucleic acids also have DNA and RNA depending on the difference in the sugar moiety, and further have differences in single-stranded, double-stranded, etc., and steric structures.
- the “solid carrier” includes a thin plate, a sheet, a strip, a slab, a film, a membrane, and the like used for separating or detecting nucleic acids. Typical examples are agarose gel, nylon membrane, filter paper, nitrocellulose membrane and the like.
- a “label” is a substance that produces a measurable signal and includes enzymes (as a combination with a substrate), spin compounds, radionuclides, fluorescent substances, chemiluminescent substances, and light-absorbing substances.
- Preferred labels are enzymes. Enzymes include peroxidase, / 3-galactosidase, glucose oxidase, alkaline phosphatase, glucose-16-phosphate dehydrogenase, etc. c
- the methods for measuring enzyme activity include absorbance, fluorescence, and chemical. There is a luminescence method.
- peroxidase uses a substrate such as 2,2'-azinodi (3-ethylbenzthiazoline) -16'-sulfonic acid (ABTS) as a chromogen and measures the resulting dye by an absorbance method.
- ABTS 2,2'-azinodi (3-ethylbenzthiazoline) -16'-sulfonic acid
- glucose oxidase produces hydrogen peroxide based on glucose, it is conjugated with peroxidase and Can be measured.
- yS-galactosidase can be measured using 0-ditrophenyl-S—D—calactoside as a substrate.
- peroxydase uses p-hydroxyphenylpropionic acid as a substrate
- ⁇ -ii lactosidase is fluorescein
- S—D-galactoside or 4-methyl umbelliferyl-D —Measurement can be performed using galactoside as a substrate
- phosphatase using emberiffurilyl phosphate or bromocloyl loindolyl phosphate nitroble-tetrazolium as a substrate.
- peroxidase can be measured using luminol and hydrogen peroxide as substrates.
- a label for example, an enzyme
- a polyamine for example, benzoquinone (quinhydrone), bis [2- (succinimidylcarboxyl) ethyl] sulfone (BSOCOES), bis (sulfosuccinimidyl) suberate ( BS 3), 1,2-difluoro-2,4-dinitrobenzene (DF DNB), 4,4'-diisothiocyano 2,2'-disulfostilbene, disodium salt (CD IDS).
- Adipinimid acid Dimethyl dihydrochloride N- (7-maleimidbutyryloxy) succinimide (GMB S :), N- (4-azidofurinylthio) phthalimid (APT P :), N-succinimidyl-1- Use a cross-linking reagent such as (4'-azidophenyl) -1,3'-dithiopropionate (SADP), pyridine disulfide, or thiophthalimid.
- SADP (4'-azidophenyl) -1,3'-dithiopropionate
- a “labeled precursor” is a substance that can be converted to a label, eg, a label blocked with an inhibitor.
- Signal refers to visible light, fluorescence, radioactivity, other electromagnetic waves, and the like. Preference is given to being able to relate the measured value to the amount of the substance which generated it.
- Searching for a label involves detecting such a signal by physical or mechanical means.
- Polyamine is an aliphatic skeleton compound having two or more primary amino groups. And includes natural (biological) amines and synthetic polymers. There are primary amino groups at both ends of an aliphatic chain usually having 3 to 50, preferably about 6 to 15 or about 20 carbon atoms, and the chain may be interrupted by imino groups.
- Representative natural polyamines are 1,3-diaminopropane, putrethsin, cadaverine, norspermidine, spermidine, homospermidine, aminopropyl cadadaberin, thelmin, spermine, thermospermine, canabalmin, aminopantyl norspermidine, N , N'-bis (aminopropyl) cadaverine, Hirudo pentamine, Homo lord pen mine, Hirudo hexamine and the like.
- Typical synthetic polyamines include diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine, hexamethylenediamine, and polyethyleneimine (average molecular weight of about 10,000 to about 200, 000, preferably from about 20,000 to about 100,000, for example, from about 50,000 to about 60,000, for example, BASF's Polymin G 35).
- Complex or “complex” means electrostatic and / or physical or binding, not covalent or binding. Complexes are usually reversible and can be easily dissociated.
- Hybridization or “hybridization” means that two single-stranded polynucleotides are complementary or almost (e.g., 70% or more, preferably 80 or 85% or more, particularly 90 or 95% or more) complementary In this case, it means to combine to form a double strand.
- Hybridization conditions refers to conditions under which a hybridizable polynucleotide forms a hybrid. Generally, these conditions include a temperature of about 70 ° C or less, preferably about 60 ° C or less, usually about 40-55 ° C. Short time is enough.
- Target indicates an object of interest.
- a “probe” is a DNA that is highly complementary to a target DNA or a portion thereof, and is usually shorter than the target DNA, about 5 to 50 bases, preferably about 10 to 40 bases, for example about 20 to 30 bases. Consists of a base.
- FIG. 1 is a diagram showing the detection results of IDNA in Example 1.
- FIG. 2 is a diagram showing the results of detection of Escherichia coli (E. coli) rRNA in Example 1.
- FIG. 3 is a photograph of electrophoresis of I Hind III DNA in Example 1.
- FIG. 4 is a photograph of electrophoresis of a DNA fragment inserted into pBR322 in Example 1 digested with a restriction enzyme (color development according to the present invention).
- FIG. 5 is a photograph of electrophoresis of a DNA fragment (X-ray image) obtained by digesting a DNA fragment inserted into pBR322 with a restriction enzyme in Example 1.
- FIG. 6 is a photograph of electrophoresis of ⁇ Hind III DNA in Example 1.
- FIG. 7 is the same as FIG. 6 in Example 1; it is a photograph of electrophoresis of I Hind III DNA.
- FIG. 8 is a diagram showing the difference in color in FIG.
- ENZ is a residue obtained by removing an amino group from an enzyme
- PA is a residue obtained by removing an amino group from a polyamine
- X is a primary or secondary amino group.
- Nucleic acid can be detected, for example, as follows.
- (A) Dot spot the nucleic acid sample on the membrane or agarose gel electrophoresis, electrotransfer to the membrane, bake and fix. After treatment with bovine serum albumin in a buffer, add a labeled or precursor-bound polyamine and react. After washing, label precursor If so, convert to a sign and search.
- the DNA fragment is fixed to the membrane by dot blotting or Southern blotting after agarose gel electrophoresis, and after prehybridization, hybridization is performed using a Bio-DNA probe. After washing and blocking, the enzyme-labeled streptavidin is reacted. After washing and pre-incubation, a polyamine labeled with another enzyme is reacted. After washing, when each enzyme is subjected to a color development treatment, an image in which hybridized DNA and non-hybridized DNA develop different colors due to the two colors is obtained. For example, the alkaline phosphatase / BCIP—NBT system develops a purple color, and the peroxidase ZDAB system develops a brown color. In this method, the processing order of the probe and the polyamine can be reversed.
- the membrane itself is colored, not as an X-ray film, so that the nucleic acid can be directly confirmed on the membrane.
- amplified products having similar molecular weights but different sequences can be distinguished by hybridization.
- the method of the present invention has the advantage that it does not require the use of dangerous reagents, has high sensitivity (for example, several picograms for DNA and several tens of picograms for RNA), and is easy to operate. If reagents necessary for carrying out the present invention are provided in a kit, the operation is further facilitated.
- the membrane containing the immobilized DNA or RNA was immersed in 5 mM phosphate buffer, 1% bovine serum albumin (BSA, Sigma, fraction V) and incubated at room temperature for 60 minutes. Next, alkaline phosphatase (or peroxidase) labeled polyethyleneimine was added at a rate of 10012 Oml and incubated at 37 ° C for 120 minutes. The membrane was washed three times with 5 mM phosphate buffer-1% BSA—0.1% Tween 20 for 10 minutes, and rinsed with 0.1 M Tris HCl (pH 9.5) —1 OmM—MgCl 2 .
- BSA bovine serum albumin
- a nick translation reaction was carried out using 32 P-dCTP or Bio-11-dUTP (BRL) according to a conventional method, and 32 P- DNA or Bio-DNA was prepared.
- the membrane was hybridized overnight at 42-55 ° C with a hybridization buffer (5 XSSC, 0.1% BSA, 0.1% Tween 20) containing the denatured probe. Then wash with 0.16 XSSC—0.1% Tween 20 at 55 ° C for 30 minutes Cleaned (time A).
- the cells were treated with PBS-0.5% Tween 20 at room temperature for 60 minutes. After treatment with PBS-0.05% Tween 20 containing alkaline phosphatase-labeled streptavidin for 20 minutes at room temperature,? Washed twice with 83-0.5% Tween 20 for 10 minutes each. Next, after preincubation for 20 minutes at room temperature using PBS-1% BSA-0.1% BSA-0.1% Queen 20, peroxidase-labeled polyethyleneimine was added and reacted at 42 ° C for 3 hours.
- FIGS. 1 and 2 The results obtained by dot-spotting 2DNA or Escherichia coli (E. coli) rRNA and detecting with polyphosphoric acid-labeled polyethyleneimine are shown in FIGS. 1 and 2, respectively.
- the spot amount is ⁇ A1 4.7 /! G, 470 470ng, 3 47ng, 4 4.7ng, 5 47 Opg, 6 47pg, 7 4.7pg, 8 470fg, RNA from top of Fig. 2 1 5 /; g, 2 500ng, 3 50ng, 4 5ng, 5500pg, 65 Opg. Detection was possible with a sensitivity of 470 fg for DNA and 5 Opg for RNA.
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4159349A JP2651317B2 (ja) | 1992-06-18 | 1992-06-18 | 核酸の検出法 |
DK95907490T DK0725149T3 (da) | 1993-08-10 | 1993-08-10 | Fremgangsmåde til påvisning af nukleinsyre |
PCT/JP1993/001124 WO1995004832A1 (fr) | 1992-06-18 | 1993-08-10 | Procede de detection d'un acide nucleique |
CA002169166A CA2169166C (en) | 1993-08-10 | 1993-08-10 | Method of detecting nucleic acid |
US08/592,293 US5824474A (en) | 1992-06-18 | 1993-08-10 | Method for detecting nucleic acid |
DE69331443T DE69331443T2 (de) | 1993-08-10 | 1993-08-10 | Verfahren zur bestimmung von nukleinsäuren |
AT95907490T ATE211770T1 (de) | 1993-08-10 | 1993-08-10 | Verfahren zur bestimmung von nukleinsäuren |
AU47610/93A AU674694B2 (en) | 1993-08-10 | 1993-08-10 | Method of detecting nucleic acid |
EP95907490A EP0725149B1 (en) | 1993-08-10 | 1993-08-10 | Method of detecting nucleic acid |
KR1019960700646A KR0169057B1 (ko) | 1993-08-10 | 1993-08-10 | 핵산의 검출법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4159349A JP2651317B2 (ja) | 1992-06-18 | 1992-06-18 | 核酸の検出法 |
PCT/JP1993/001124 WO1995004832A1 (fr) | 1992-06-18 | 1993-08-10 | Procede de detection d'un acide nucleique |
Publications (1)
Publication Number | Publication Date |
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WO1995004832A1 true WO1995004832A1 (fr) | 1995-02-16 |
Family
ID=14070462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1993/001124 WO1995004832A1 (fr) | 1992-06-18 | 1993-08-10 | Procede de detection d'un acide nucleique |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0725149B1 (ja) |
KR (1) | KR0169057B1 (ja) |
AT (1) | ATE211770T1 (ja) |
AU (1) | AU674694B2 (ja) |
CA (1) | CA2169166C (ja) |
DE (1) | DE69331443T2 (ja) |
DK (1) | DK0725149T3 (ja) |
WO (1) | WO1995004832A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6927029B2 (en) | 2001-12-03 | 2005-08-09 | Agilent Technologies, Inc. | Surface with tethered polymeric species for binding biomolecules |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6746841B1 (en) | 1999-04-14 | 2004-06-08 | Whatman Inc. | FTA- coated media for use as a molecular diagnostic tool |
US6958392B2 (en) | 1998-10-09 | 2005-10-25 | Whatman, Inc. | Methods for the isolation of nucleic acids and for quantitative DNA extraction and detection for leukocyte evaluation in blood products |
ES2291199T3 (es) * | 1999-04-14 | 2008-03-01 | Whatman, Inc. | Medio cubierto por fta para uso como herramienta de diagnostico molecular. |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54143297A (en) * | 1978-04-13 | 1979-11-08 | Pasteur Institut | Method of detecting and identifying nucleic acid or arrangement thereof* and enzyme reacting substance for said method |
JPH01124400A (ja) * | 1983-03-22 | 1989-05-17 | Europ Lab Fuer Molekularbiolog Elmb | 蛋白質とポリアミンとの反応生成物及びその製法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1701488A (en) * | 1987-04-08 | 1988-11-04 | Invitron Corporation | Detection and identification of dna and/or rna in protein-containing samples |
US5092992A (en) * | 1989-06-07 | 1992-03-03 | J. T. Baker Inc. | Polyethyleneimine matrixes for affinity chromatography |
JPH03128000A (ja) * | 1989-10-14 | 1991-05-31 | Sanyo Chem Ind Ltd | 核酸の検出法及び検出試薬 |
-
1993
- 1993-08-10 DK DK95907490T patent/DK0725149T3/da active
- 1993-08-10 KR KR1019960700646A patent/KR0169057B1/ko not_active IP Right Cessation
- 1993-08-10 CA CA002169166A patent/CA2169166C/en not_active Expired - Lifetime
- 1993-08-10 AT AT95907490T patent/ATE211770T1/de not_active IP Right Cessation
- 1993-08-10 WO PCT/JP1993/001124 patent/WO1995004832A1/ja active IP Right Grant
- 1993-08-10 AU AU47610/93A patent/AU674694B2/en not_active Expired
- 1993-08-10 DE DE69331443T patent/DE69331443T2/de not_active Expired - Lifetime
- 1993-08-10 EP EP95907490A patent/EP0725149B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54143297A (en) * | 1978-04-13 | 1979-11-08 | Pasteur Institut | Method of detecting and identifying nucleic acid or arrangement thereof* and enzyme reacting substance for said method |
JPH01124400A (ja) * | 1983-03-22 | 1989-05-17 | Europ Lab Fuer Molekularbiolog Elmb | 蛋白質とポリアミンとの反応生成物及びその製法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6927029B2 (en) | 2001-12-03 | 2005-08-09 | Agilent Technologies, Inc. | Surface with tethered polymeric species for binding biomolecules |
Also Published As
Publication number | Publication date |
---|---|
CA2169166C (en) | 2000-02-15 |
EP0725149A1 (en) | 1996-08-07 |
KR0169057B1 (ko) | 1999-01-15 |
ATE211770T1 (de) | 2002-01-15 |
KR960705058A (ko) | 1996-10-09 |
EP0725149B1 (en) | 2002-01-09 |
DE69331443D1 (de) | 2002-02-14 |
DE69331443T2 (de) | 2002-09-05 |
EP0725149A4 (en) | 1999-08-18 |
DK0725149T3 (da) | 2002-02-18 |
AU4761093A (en) | 1995-02-28 |
CA2169166A1 (en) | 1995-02-16 |
AU674694B2 (en) | 1997-01-09 |
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