WO2017146532A1 - 생물학적 시료로부터 핵산 추출 방법 - Google Patents
생물학적 시료로부터 핵산 추출 방법 Download PDFInfo
- Publication number
- WO2017146532A1 WO2017146532A1 PCT/KR2017/002088 KR2017002088W WO2017146532A1 WO 2017146532 A1 WO2017146532 A1 WO 2017146532A1 KR 2017002088 W KR2017002088 W KR 2017002088W WO 2017146532 A1 WO2017146532 A1 WO 2017146532A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- biological sample
- solution
- nucleic acid
- sample
- bead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
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
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/10—Processes for the isolation, preparation or purification of DNA or RNA
-
- 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
Definitions
- the present invention relates to a method for extracting nucleic acids from a biological sample, and more specifically, to a nucleic acid extracting method, which is different from a conventional nucleic acid extraction method using a commercial biological sample, to effectively remove impurities from a complex environment and a biological sample, thereby improving nucleic acid recovery. It relates to an extraction method.
- Biological detection methods such as assays or enzyme reactions with antibodies are difficult to achieve without pretreatment due to the complex components of the sample, and furthermore, this enrichment process is difficult to apply to targets that cannot be cultured, such as Norovirus.
- the existing commercialized process uses a lot of methods to separate stools from nucleic acids by precipitating the stool in the process of separating the stool sample.
- MoBio Laboratories Inc. (Carlsbad, USA) flocculates impurities using a trivalent cation such as aluminum, and concentrates / purifies DNA using boom technology.
- important features are Al 3 +, NH 4 or the like and a method of precipitation using a 3+, is very effective in complex samples such as soil or sides, but showing the highest efficiency of the existing technology, the recovery rate is less than a mere 1% .
- Qiagen (Hilden, Germany) uses a carbohydrate based adsorptive matrix to adsorb and remove substances that inhibit the polymerase chain reaction (PCR). Very effective in purifying the sample, but with a recovery of less than 0.1%.
- Zymo Research Corp. (Irvine, USA) proposes a method of extracting nucleic acid present in the feces by applying a physical force using 500 ⁇ m beads, but does not remove various impurities present in the feces sample. It has a limit of low rate.
- the present invention provides a method for extracting nucleic acids from biological samples that can improve bacterial and nucleic acid recovery by using surfactants and cosmomotropic salts to effectively extract nucleic acids from biological samples.
- One aspect of the invention is (a) a buffer solution (buffer solution) in a biological sample; Surfactants; And crushing the biological sample through bead beating the biological sample-bead solution prepared by adding beads. (b) separating the crushed biological sample-bead solution; (c) refining by adding a cosmomotropic salt solution to the purified solution; And (d) extracting the nucleic acid from the repurified solution.
- buffer solution buffer solution
- Surfactants And crushing the biological sample through bead beating the biological sample-bead solution prepared by adding beads.
- separating the crushed biological sample-bead solution (c) refining by adding a cosmomotropic salt solution to the purified solution; And (d) extracting the nucleic acid from the repurified solution.
- the surfactant may be an anionic surfactant.
- the surfactant may be 1 to 20% (v / v) based on the total weight of the biological sample.
- step (a) may be to crush the biological sample by beading the biological sample-bead solution at 10 to 80 Hz.
- the purification may be performed by centrifugation or filtration.
- the refining may be performed through centrifugation or heat treatment.
- the heat treatment may be carried out at 50 to 90 °C.
- the cosmotropic salt solution may be a sodium sulfate (Na- 2 SO 4 ) solution.
- the cosmotropic salt solution may be a solution of 1.0 to 5.0M.
- the biological sample may be any one selected from the group consisting of feces, blood and soil.
- One aspect of the present invention is (a) a buffer in a biological sample; Surfactants; And crushing the biological sample by beading the biological sample-bead solution prepared by adding the beads; (b) centrifuging and purifying the biological sample-bead solution from which the biological sample is crushed; (c) refining by adding a cosmotropic salt solution to the purified solution and centrifuging; And (d) extracting the nucleic acid from the refined solution.
- Another aspect of the invention is (a) a buffer in a biological sample; Surfactants; And crushing the biological sample by beading the biological sample-bead solution prepared by adding the beads; (b) filtering and purifying the biological sample-bead solution from which the biological sample is crushed; (c) adding a cosmotropic salt solution to the purified solution and refining by heat treatment; And (d) extracting the nucleic acid from the refined solution.
- the impurities in the sample are effectively removed, thereby improving the recovery rate of bacteria and nucleic acids, thereby more accurately and accurately detecting pathogens.
- the effect which makes it possible to detect is shown.
- 1 shows total bacterial recovery, bacterial recovery, nucleic acid recovery, and fecal separation according to surfactant concentration.
- Figure 2 shows the total bacterial recovery, and stool separation according to sodium sulfate (Na 2 SO 4 ) concentration.
- 3 shows total bacterial recovery, bacterial recovery, and nucleic acid recovery following heat treatment.
- 5 shows the total bacterial recovery, bacterial recovery, and nucleic acid recovery according to the stool sample type.
- Figure 6 shows the results of separation and purification of dog (top) and human (bottom) stool samples according to the amount of stool samples.
- Figure 7 shows the results of the separation and purification of human blood samples according to the sample amount (a) and virus recovery and gram positive bacteria recovery (b) according to the present invention and commercial kits (Qiagen).
- nucleic acid extraction rate (a) from fecal samples according to various bead sizes and Staphylococcus aureus nucleic acid recovery (b) according to various bead sizes.
- Fig. 11 shows the result of refining the stool sample (a) and the blood sample (b) through heat treatment and the nucleic acid recovery rate (c) in the stool sample.
- Figure 12 shows the result of the separation and purification of the stool sample using a non-centrifugal separation method, the purification step through filtration, the refining step through a heat treatment.
- One aspect of the invention is (a) a buffer solution (buffer solution) in a biological sample; Surfactants; And crushing the biological sample through bead beating the biological sample-bead solution prepared by adding beads. (b) separating the crushed biological sample-bead solution; (c) refining by adding a cosmomotropic salt solution to the purified solution; And (d) extracting the nucleic acid from the repurified solution.
- buffer solution buffer solution
- Surfactants And crushing the biological sample through bead beating the biological sample-bead solution prepared by adding beads.
- separating the crushed biological sample-bead solution (c) refining by adding a cosmomotropic salt solution to the purified solution; And (d) extracting the nucleic acid from the repurified solution.
- the inventors of the present invention while researching and developing a method for extracting nucleic acids from biological samples, when surfactants and cosmotropic salts are added during the crushing and purifying biological samples, respectively, Overall bacterial recovery, bacterial recovery rate and nucleic acid recovery rate has been found to be able to detect pathogens more sensitively and accurately, thus completing the present invention.
- One aspect of the present invention is (a) a buffer in a biological sample; Surfactants; And crushing the biological sample by beading the biological sample-bead solution prepared by adding the beads; (b) purifying the biological sample-bead solution from which the biological sample is crushed; (c) refining by adding a cosmotropic salt solution to the purified solution; And (d) extracting the nucleic acid from the refined solution.
- biological sample refers to all samples that are likely to contain nucleic acids, as well as samples obtainable from living organisms. Specific examples include blood of humans and animals, body fluids of humans and animal waste, microbial cultures, cell cultures, virus cultures, biopsy cultures, soil, and air, and preferably include feces, blood, and soil. It is not limited to this.
- buffer solution is not particularly limited in kind, and may be, for example, tris buffer buffer solution, sodium phosphate buffer solution or potassium phosphate buffer solution, but is not limited thereto. no. Preferably it is a tris-HCl solution, More preferably, it is a 5-15 mM tris- hydrochloric acid solution.
- surfactant may be anionic, cationic, amphoteric or nonionic surfactants, but more preferably are anionic surfactants.
- Anionic surfactants are, for example, sodium dodecyl sulfate (SDS), sodium octylbenzene sulfonate (NaOBS), sodium dodecyl benzene sulfate (SDBS), sodium dodecyl sulfonate (SDSA), sodium dodecyl benzene sulfo Nate, Sodium Butylbenzoate (NaBBS), Ammonium Lauryl Sulfate, Sodium Deoxycholate, Sodium Lauryl Ether Sulfate (SLES), Sodium Mireth Sulfate (SMES), Dioctyl Sodium Sulfosuccinate, Perfluorooctanesulfo Carbonate (PFOS), perfluorobutanesulfonate, sodium stearate, sodium
- SDS sodium
- the reason for adding the surfactant in the present invention is to increase the target substance destruction effect in the sample and to prevent inhibition of nucleic acid separation by impurities.
- the surfactant may be 1 to 20% (v / v) based on the total weight of the biological sample, nucleic acid recovery may be inhibited when less than 1% or more than 20%.
- the term "bead beating” is a method of physically crushing a solid material in a sample, and is performed by shaking the sample solution containing the beads by hand or using an automatic vibrator. In the present invention, a method of vibrating the beads by an automatic vibration method was used.
- the material of the "bead” is not limited, but glass beads may be preferably used.
- the diameter of the beads is preferably 0.03 to 2mm, preferably 0.1mm to 0.5mm size beads or mixtures thereof, but is not limited thereto.
- the amount of beads contained in the sample solution is preferably 10 to 200 mg, more preferably 1 to 25% by weight of the biological sample-bead solution.
- the biological sample can be crushed through the bead beating the biological sample-bead solution at 10 to 80Hz, but is not limited thereto.
- the bead beating is preferably performed for 3 to 10 minutes, but is not limited thereto.
- the purification step refers to a process of primarily separating impurities having a large size from a liquid material including nucleic acids, which may be performed by centrifugation or filtration.
- the crushed biological sample-bead solution may be centrifuged at 6000 to 9000 rpm for 30 to 90 seconds to separate only the supernatant from solid impurities, but is not limited thereto. .
- the refining step of the present specification refers to a process of secondary separation by adding a cosmotropic salt solution to the purified solution by floating impurities having a small particle size on top of a liquid material containing nucleic acid, which is centrifuged. Or through heat treatment.
- kosmotropic salt as used herein, SO 4 2-, HPO 4 2 - means a salt consisting of a cationic -, OH -, F -, HCOO -, CH 3 COO - or Cl.
- Mg + 2 does not have, with the exception of kosmotropic properties when combined with the kosmotropic anion, Mg + 2 are excluded.
- the cation is a stay may be NH 4 +, Rb +, K +, Na +, Cs +, Li +, Ca 2 + or Ba + 2.
- the cosmotropic salt may preferably be sodium sulfate (Na 2 SO 4 ), sodium chloride (NaCl), ammonium sulfate ((NH 4 ) 2 SO 4 ), sodium acetate (NaOAc), but is not limited thereto. Is most preferred.
- the concentration of the sodium sulfate solution is preferably 1.0 to 5.0M, but is not limited thereto.
- the reason for adding the cosmotropic salt solution is to separate the nucleic acid and the impurities.
- the mixture can be removed once more by centrifugation or heat treatment.
- the centrifugation may be performed by centrifugation at 6000 to 9000 rpm for 30 to 90 seconds, but is not limited thereto.
- the heat treatment may be performed at 50 to 90 ° C., but is not limited thereto.
- nucleic acid extraction as used herein may be carried out by methods known in the art, specifically see US Patent No. 5234809.
- the purification step and the refining step may be carried out by arbitrarily selecting the disclosed method.
- both the purification step and the refining step may be carried out by centrifugation, or ii) the refining step may be carried out by filtration and the refining step may be performed by heat treatment.
- the method of i) is suitable for application to the device automation method when the method of ii) is used for the kitting method.
- the sample side of Salmonella prepared in a concentration of 10 6 cfu / ml in 200mg (salmonella, ATCC) or 10 6 Staphylococcus aureus derived from the concentration of cfu / ml add the DNA of (staphylococcus aureus, ATCC) and add SDS so that each concentration based on the buffer volume is 1.2%, 3%, 4%, 5%, 6%, 10%, 20%. Performed the same overall process as in Example 1 (see (d) of FIG. 1).
- Nucleic acid extraction was performed using boom technology and nucleic acid was extracted, and the isolated nucleic acid was subjected to PCR (Polymerase Chain Reaction) using Universal Bacteria primer to compare the amount of the total bacteria. , Bacterial and nucleic acid recovery was calculated using ((concentration of extracted bacteria or nucleic acid) / (concentration of initially added bacteria or nucleic acid) * 100 (%)).
- the amount of nucleic acid extraction and bacterial recovery rate is that the stool sample is not heat treated (O min). And it was confirmed that the DNA recovery is measured high (see Fig. 3 (a) to (c)).
- kits require about 200-250 mg of sample to be used, but in order to confirm that nucleic acid can be extracted from a smaller amount of sample, varying amounts of samples of two species of dogs and humans, ie , 10mg (10mg stools + 190 ⁇ l distilled water), 20mg (20mg stools + 180 ⁇ l distilled water), 50mg (50mg stools + 150 ⁇ l distilled water), 100mg (100mg stools + 100 ⁇ l distilled water), 150mg (150mg stools + 50 ⁇ l distilled water) , 200mg (200mg stool) and 250mg (except that using a sample of 250mg stool was carried out the same overall process as in Examples 1 and 2, the total bacterial recovery, bacterial recovery and nucleic acid recovery was compared.
- the method used for separation of the stool sample was also applied to the blood (whole blood) sample, which is one of the complex samples, to confirm the removal of impurities. Since the amount of blood sample recommended in the commercialized kit is 200 ⁇ l, the experiment was performed based on the volume of the sample 200 ⁇ l.
- nucleic acid recovery was confirmed using the method described in Example 2 using a 100 ⁇ l sample of blood.
- the adenovirus showed a 70% recovery compared to the Qiagen DNA mini kit, and in the case of Gram-positive bacteria, about 40-fold recovery based on the Qiagen DNA mini kit (Fig. 7 (b)). Reference).
- the method used for separation of the stool sample was also applied to the soil sample, which is one of the other complicated samples, to confirm the removal of impurities.
- a sample prepared by adding 100 ⁇ l of distilled water to 250 mg of two soil samples collected at different places was prepared, and impurities were separated and purified by the method described in Example 1 above. As a result, it was confirmed that the separation and purification of impurities were performed in both soils (see FIG. 8A).
- the crushing of the side was not performed well in beads having a diameter of 2 mm, which showed a lower efficiency in the nucleic acid extraction rate than other sizes of beads. Therefore, it was confirmed that the beads having excellent nucleic acid recovery efficiency were beads having a diameter of 0.1 mm to 0.5 mm or a mixture thereof.
- the first purification process using centrifugation after crushing the fecal sample and the complex sample can be purified using a non-centrifugal separation method.
- the following experiment was conducted to see if the first purification process could be replaced by filtration.
- Example 1 Except for using the method of filtration instead of centrifugation in Example 1, the experiment was carried out in the same manner as in Example 1. After the stool sample and the complex sample object were crushed by the method described in Example 1, the first purified solution was obtained by passing the object having a gap through which beads and large impurities did not escape. The purified solution was subjected to refining process using a conventional centrifugation, and nucleic acid recovery was performed from the refined solution.
- the centrifugal separation was used, but the impurity was refined by heat treatment without centrifugation.
- 200 mg fecal sample was placed in a tube containing buffer with pH of 8 or higher, 6% (v / v) of surfactant SDS, and 0.4 g of glass beads of 70 to 100 ⁇ m for stool sample destruction and detection object destruction.
- the solution excluding large impurities and glass beads, was transferred to a new tube, and 2.5M Na 2 SO 4 solution was added to heat the mixture at 45 ° C, 55 ° C, 65 ° C, 75 ° C, 85 ° C and After 5 or 10 minutes at 95 °C, the results were compared with the results of re-purification using centrifugation.
- PCR was performed on the stool sample treated for 10 minutes at the above temperatures to measure nucleic acid extraction concentration (Total bacteria) and compared with the sample by centrifugation.
- Example 1 Experiments were carried out in the same manner as in Example 1, except that the sides having three different shapes and shapes were used for filtration instead of primary centrifugation and heat treatment instead of secondary centrifugation in Example 1.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Genetics & Genomics (AREA)
- Wood Science & Technology (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Microbiology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Plant Pathology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
Description
Claims (12)
- (a) 생물학적 시료에 완충용액(buffer solution); 계면활성제; 및 비드(bead)를 첨가하여 제조된 생물학적 시료-비드 용액을 비드 비팅(bead beating)함으로써 생물학적 시료를 파쇄하는 단계;(b) 상기 생물학적 시료가 파쇄된 생물학적 시료-비드 용액을 정제하는 단계;(c) 상기 정제된 용액에 코스모트로픽 염(Kosmotropic salt) 용액을 첨가하여 재정제하는 단계; 및(d) 상기 재정제된 용액으로부터 핵산을 추출하는 단계를 포함하는, 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 1에 있어서,상기 계면활성제는 음이온성 계면활성제인 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 1에 있어서,상기 계면활성제는 상기 생물학적 시료의 총중량을 기준으로 1 내지 20%(v/v)인 것을 특징으로 하는 생물학적 시료료부터의 핵산 추출 방법.
- 청구항 3에 있어서,상기 단계 (a)는 상기 생물학적 시료-비드 용액을 10 내지 80Hz조건으로 비드 비팅하여 생물학적 시료를 파쇄하는 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 1에 있어서,상기 정제는 원심분리 또는 여과를 통하여 수행되는 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 1에 있어서,상기 재정제는 원심분리 또는 열 처리를 통하여 수행되는 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 6에 있어서,상기 열 처리는 50 내지 90℃에서 수행되는 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 1에 있어서,상기 코스모트로픽 염 용액은 황산나트륨(Na-2SO4) 용액인 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 1에 있어서,상기 코스모트로픽 염 용액은 1.0 내지 5.0M의 용액인 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- 청구항 1에 있어서,상기 생물학적 시료는 변, 혈액 및 흙으로 이루어진 군으로부터 선택되는어느 하나인 것을 특징으로 하는 생물학적 시료로부터의 핵산 추출 방법.
- (a) 생물학적 시료에 완충용액; 계면활성제; 및 비드를 첨가하여 제조된 생물학적 시료-비드 용액을 비드 비팅함으로써 생물학적 시료를 파쇄하는 단계;(b) 상기 생물학적 시료가 파쇄된 생물학적 시료-비드 용액을 원심분리하여 정제하는 단계;(c) 상기 정제된 용액에 코스모트로픽 염 용액을 첨가하고 원심분리하여 재정제하는 단계; 및(d) 상기 재정제된 용액으로부터 핵산을 추출하는 단계를 포함하는, 생물학적 시료로부터의 핵산 추출 방법.
- (a) 생물학적 시료에 완충용액; 계면활성제; 및 비드를 첨가하여 제조된 생물학적 시료-비드 용액을 비드 비팅함으로써 생물학적 시료를 파쇄하는 단계;(b) 상기 생물학적 시료가 파쇄된 생물학적 시료-비드 용액을 여과하여 정제하는 단계;(c) 상기 정제된 용액에 코스모트로픽 염 용액을 첨가하여고 열처리하여재정제하는 단계; 및(d) 상기 재정제된 용액으로부터 핵산을 추출하는 단계를 포함하는, 생물학적 시료로부터의 핵산 추출 방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17756869.8A EP3421612B1 (en) | 2016-02-26 | 2017-02-24 | Method for extracting nucleic acids from biological sample |
| CN201780013398.4A CN108699590B (zh) | 2016-02-26 | 2017-02-24 | 用于从生物样品中提取核酸的方法 |
| JP2018562493A JP6818051B2 (ja) | 2016-02-26 | 2017-02-24 | 生物学的試料からの核酸抽出方法 |
| US16/111,761 US11618895B2 (en) | 2016-02-26 | 2018-08-24 | Method for extracting nucleic acids from biological sample |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20160023251 | 2016-02-26 | ||
| KR10-2016-0023251 | 2016-02-26 | ||
| KR10-2017-0023193 | 2017-02-21 | ||
| KR1020170023193A KR20170101793A (ko) | 2016-02-26 | 2017-02-21 | 생물학적 시료로부터 핵산 추출 방법 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US16/111,761 Continuation-In-Part US11618895B2 (en) | 2016-02-26 | 2018-08-24 | Method for extracting nucleic acids from biological sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017146532A1 true WO2017146532A1 (ko) | 2017-08-31 |
Family
ID=59685721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2017/002088 Ceased WO2017146532A1 (ko) | 2016-02-26 | 2017-02-24 | 생물학적 시료로부터 핵산 추출 방법 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2017146532A1 (ko) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234809A (en) | 1989-03-23 | 1993-08-10 | Akzo N.V. | Process for isolating nucleic acid |
| KR20140140317A (ko) * | 2013-05-29 | 2014-12-09 | 부경대학교 산학협력단 | 해양수산생물의 dna 추출 방법 |
-
2017
- 2017-02-24 WO PCT/KR2017/002088 patent/WO2017146532A1/ko not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234809A (en) | 1989-03-23 | 1993-08-10 | Akzo N.V. | Process for isolating nucleic acid |
| KR20140140317A (ko) * | 2013-05-29 | 2014-12-09 | 부경대학교 산학협력단 | 해양수산생물의 dna 추출 방법 |
Non-Patent Citations (4)
| Title |
|---|
| BOLANO ET AL.: "Rapid Methods to Extract DNA and RNA from Cryptococcus Neoformans", FEMS YEAST RESEARCH, vol. 1, 2001, pages 221 - 224, XP055535473 * |
| HILL ET AL.: "Development of a Nucleic Acid Extraction Procedure for Simultaneous Recovery of DNA and RNA from Diverse Microbes in Water", PATHOGENS, vol. 4, 2015, pages 335 - 354, XP055410495 * |
| WHITNEY ET AL.: "Enhanced Retrieval of DNA from Human Fecal Samples Results in Improved Performance of Colorectal Cancer Screening Test", THE JOURNAL OF MOLECULAR DIAGNOSTICS, vol. 6, no. 4, 2004, pages 386 - 395, XP055535468 * |
| YU ET AL.: "Improved Extraction of PCR-quality Community DNA from Digesta and Fecal Samples", BIOTECHNIQUES, vol. 36, no. 5, 2004, pages 808 - 812, XP055533607 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Garrido et al. | Use of a PCR method on fecal samples for diagnosis of sheep paratuberculosis | |
| Monteiro et al. | Detection of Helicobacter pylori DNA in human feces by PCR: DNA stability and removal of inhibitors | |
| Ward et al. | Mechanism of inactivation of enteric viruses in fresh water | |
| US8465966B2 (en) | Post protein hydrolysis removal of a potent ribonuclease inhibitor and the enzymatic capture of DNA | |
| EP0406306B1 (en) | Method and apparatus for collecting and detecting microorganisms | |
| Zeng et al. | Rapid detection of Vibrio parahaemolyticus in raw oysters using immunomagnetic separation combined with loop-mediated isothermal amplification | |
| Nichols et al. | Optimization of DNA extraction and molecular detection of Cryptosporidium oocysts in natural mineral water sources | |
| Paul et al. | Comparative evaluation and economic assessment of coprological diagnostic methods and PCR for detection of Cryptosporidium spp. in bovines | |
| KR102088733B1 (ko) | 생물학적 시료로부터 핵산 추출 방법 | |
| WO1989004374A1 (en) | Method and kit for detecting live microorganisms in chlorine- or bromine-treated water | |
| Metzger-Boddien et al. | Automated high-throughput immunomagnetic separation-PCR for detection of Mycobacterium avium subsp. paratuberculosis in bovine milk | |
| Suzuki et al. | Simple extraction and analysis of environmental DNA using glass fibers in suspension form | |
| Fekete et al. | Rapid, sensitive detection of Brucella abortus by polymerase chain reaction without extraction of DNA | |
| WO2017146532A1 (ko) | 생물학적 시료로부터 핵산 추출 방법 | |
| WO2011068465A1 (en) | A method and apparatus for recovering cells and their analysis | |
| US20240150853A1 (en) | Method for detecting and quantifying nucleic acid from environmental samples | |
| Garrec et al. | Comparison of a cultural method with ListerScreen plus Rapid'L. mono or PCR-ELISA methods for the enumeration of L. monocytogenes in naturally contaminated sewage sludge | |
| Soumet et al. | An immunoconcentration-PCR assay to detect Salmonella in the environment of poultry houses | |
| Kapustin et al. | High-throughput method of one-step DNA isolation for PCR diagnostics of Mycobacterium tuberculosis | |
| EP1362927A1 (en) | Nucleic acid recovery reagents and methods | |
| KR950010187B1 (ko) | 요로감염유발 미생물과 식중독유발 미생물의 검사방법 | |
| Usama et al. | A simple and efficient method of genomic DNA extraction and purification from diverse biological samples | |
| US20110256576A1 (en) | Recovery and detection of microorganisms from mixed cellulose ester filtration supports by sequential treatment with methanol and acetone | |
| Gajanayake et al. | Detection of Leptospira DNA in environmental water samples collected from the Gampaha District by qPCR. | |
| Blanchard et al. | Development and evaluation of a new and original extraction protocol to detect Mycobacterium avium subsp. paratuberculosis in bovine faeces by real time PCR. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2018562493 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2017756869 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 2017756869 Country of ref document: EP Effective date: 20180926 |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17756869 Country of ref document: EP Kind code of ref document: A1 |