JP2000501615A - 酵素増幅中に生じる変異配列の検出および除去のためのミスマッチ修復系を用いる方法 - Google Patents
酵素増幅中に生じる変異配列の検出および除去のためのミスマッチ修復系を用いる方法Info
- Publication number
- JP2000501615A JP2000501615A JP9522267A JP52226797A JP2000501615A JP 2000501615 A JP2000501615 A JP 2000501615A JP 9522267 A JP9522267 A JP 9522267A JP 52226797 A JP52226797 A JP 52226797A JP 2000501615 A JP2000501615 A JP 2000501615A
- Authority
- JP
- Japan
- Prior art keywords
- dna
- population
- repair system
- induced
- mismatch repair
- 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.)
- Pending
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- C12Q1/6827—Hybridisation assays for detection of mutation or polymorphism
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.酵素により増幅されたDNA二本鎖の集団中の、ひとつまたはそれ以上のポ リメラーゼ誘発性変異を含むDNA分子を除去する方法であって、 DNA二本鎖集団を変性して再アニーリングし、 再アニーリングしたDNA二本鎖をミスマッチ修復系と接触させて、各々の鎖を 塩基対のミスマッチを含むDNA二本鎖において分断し、そして 分断したDNA二本鎖を未分断DNA二本鎖から分離すること からなる、除去方法。 2.分離をゲル電気泳動により行う、請求項1記載の方法。 3.酵素により増幅されたDNA二本鎖の集団中の、ひとつまたはそれ以上のポ リメラーゼ誘発性変異を含むDNA分子を、5'-ヒドロキシル末端を含むプライマ ーを用いて除去する方法であって、 DNA二本鎖集団を変性して再アニーリングし、 再アニーリングしたDNA二本鎖をミスマッチ修復系と接触させて、塩基対のミ スマッチを含むDNA二本鎖中の各々の鎖を分断し、そして さらに、再アニーリングしたDNA二本鎖集団をエキソヌクレアーゼと接触させ て、塩基対ミスマッチを含むDNA二本鎖を酵素により分解すること からなる、除去方法。 4.ミスマッチ修復系が大腸菌のメチル指向性ミスマッチ修復系の成分を含み 、そしてMutS,MutLおよびMutH蛋白質を含む、請求項1または3記載の方法。 5.酵素により増幅されたDNA二本鎖の集団中の、ひとつまたはそれ以上のポ リメラーゼ誘発性変異を含むさらなる増幅DNA分子を、さらなる増幅に対して不 活性化する方法であって、 DNA二本鎖集団を変性して再アニーリングし、 再アニーリングしたDNA二本鎖をミスマッチ修復系と接触させて、塩基対のミ スマッチを含むDNA二本鎖において各々の鎖を分断し、そして さらに、分断したDNA二本鎖集団をジデオキシヌクレオシド-5'-三リン酸およ びDNAポリメラーゼと接触させること からなる、不活性化方法。 6.ミスマッチ修復系が大腸菌のメチル指向性ミスマッチ修復系の成分を含み 、そしてMutS,MutLおよびMutH蛋白質を含み、そしてジデオキシヌクレオシド- 5'-三リン酸がジデオキシグアノシン-5'-三リン酸である、請求項5記載の方 法。 7.DNAポリメラーゼ誘発性変異を含む、酵素により増幅された集団の画分を 測定する方法であって、以下の工程: DNA二本鎖集団を変性して再アニーリングし、 再アニーリングしたDNA二本鎖をミスマッチ修復系と接触させて、塩基対のミ スマッチを含むDNA二本鎖において少なくとも一方の鎖を分断し、そして 分断したDNA二本鎖を未分断DNA二本鎖から分離し、そして 未分断DNA二本鎖に対する分断したDNA二本鎖の画分を、ポリメラーゼ誘発性変 異を含む酵素により増幅したDNAの画分の指標として測定すること からなる、測定方法。 8.ミスマッチ修復系が大腸菌のメチル指向性ミスマッチ修復系の成分を含み 、そしてMutS,MutLおよびMutH蛋白質を含む、請求項7記載の方法。 9.酵素により増幅されたDNA二本鎖の集団中の、ポリメラーゼ誘発性変異の 存在を検出する方法であって、 DNA二本鎖集団を変性して再アニーリングし、 再アニーリングしたDNA二本鎖をミスマッチ修復系と接触させて、二本鎖の少 なくとも一方の鎖においてエンドヌクレアーゼ分解性切断の導入によりポリメラ ーゼ誘発性変異を含む二本鎖を修飾し、そして ポリメラーゼ誘発性変異の存在の指標としてエンドヌクレアーゼ分解性切断に よる産物を検出すること からなる、検出方法。 10.エンドヌクレアーゼ分解性切断の産物の検出を変性条件下の変更された電 気泳動移動度により行う、請求項9記載の方法。 11.ミスマッチ修復系が大腸菌のメチル指向性ミスマッチ修復系の成分を含み 、そしてMutS,MutLおよびMutH蛋白質を含む、請求項9記載の方法。 12.ミスマッチにより誘発されるエンドヌクレアーゼ分解性開裂を受けやすい 配列を欠くDNA二本鎖から生成した、酵素により増幅されたDNA二本鎖の集団中の 、ポリメラーゼ誘発性変異の存在を検出する方法であって、 ミスマッチにより誘発されるエンドヌクレアーゼ分解性開裂を受けやすい配列 を含むプライマーを利用してDNA分子集団を酵素により増幅し、 DNA二本鎖集団を変性して再アニーリングし、 ポリメラーゼ誘発性変異を含む二本鎖の少なくとも一方の鎖中にエンドヌクレ アーゼ分解性切断を導入する条件下で、再アニーリングしたDNA二本鎖をミスマ ッチ修復系と接触させ、そして ポリメラーゼ誘発性変異の存在の指標としてエンドヌクレアーゼ分解性切断に よる産物を検出すること からなる、検出方法。 13.ミスマッチにより誘発されるエンドヌクレアーゼ分解性開裂を受けやすい 配列がd(GATC)部位である、請求項12記載の方法。 14.エンドヌクレアーゼ分解性切断の産物の検出を変性条件下の変更された電 気泳動移動度により行う、請求項12記載の方法。 15.ミスマッチ修復系が大腸菌のメチル指向性ミスマッチ修復系の成分を含み 、そしてMuts,MutLおよびMutH蛋白質を含む、請求項12記載の方法。 16.5'-ヒドロキシル末端を有するプライマー、 ミスマッチ修復系の成分、および エキソヌクレアーゼ を含む、DNA分子を増幅して、酵素により増幅されたDNA二本鎖の集団内のひとつ またはそれ以上のポリメラーゼ誘発性変異を含むDNA分子を除去するためのキッ ト。 17.ミスマッチ修復系の成分、 ジデオキシヌクレオシド-5'-三リン酸、および DNAポリメラーゼ を含む、酵素により増幅されたDNA二本鎖の集団内のひとつまたはそれ以上のポ リメラーゼ誘発性変異を含むDNA分子をさらなる増幅に対して不活性にするため のキット。 18.ミスマッチにより誘発されるエンドヌクレアーゼ分解性開裂を受けやすい 配列を含むプライマー。および ミスマッチ修復系の成分 を含む、ミスマッチにより誘発されるエンドヌクレアーゼ分解性開裂を受けやす い配列を欠くDNA二本鎖分子を増幅して、酵素により増幅されたDNA二本鎖の集団 中のひとつまたはそれ以上のポリメラーゼ誘発性変異を含むDNA分子を検出また は除去するためのキット。 19.ミスマッチ修復系、および エキソヌクレアーゼ を含む、酵素により増幅されたDNA二本鎖の集団内のひとつまたはそれ以上のポ リメラーゼ誘発性変異を含むDNA分子を除去するためのキット。 20.ミスマッチにより誘発されるエンドヌクレアーゼ分解性開裂を受けやすい 配列を欠くDNA二本鎖から生成された酵素により増幅されたDNA二本鎖の集団中の 、ひとつまたはそれ以上のポリメラーゼ誘発性変異を含むDNA分子を除去する方 法であって、 ミスマッチにより誘発されるエンドヌクレアーゼ分解性開裂を受けやすい配列 を含むプライマーを利用してDNA分子集団を酵素により増幅し、 DNA二本鎖集団を変性して再アニーリングし、 再アニーリングしたDNA二本鎖をミスマッチ修復系と接触させて、各々の鎖を 塩基対のミスマッチを含むDNA二本鎖において分断し、そして 分断したDNA二本鎖を未分断DNA二本鎖から分離すること からなる、除去方法。
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| US867395P | 1995-12-15 | 1995-12-15 | |
| US60/008,673 | 1995-12-15 | ||
| PCT/US1996/020075 WO1997021837A1 (en) | 1995-12-15 | 1996-12-13 | Methods for the detection and removal of mutant sequences that arise during enzymatic amplification using mismatch repair systems |
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| JP2000501615A true JP2000501615A (ja) | 2000-02-15 |
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| JP9522267A Pending JP2000501615A (ja) | 1995-12-15 | 1996-12-13 | 酵素増幅中に生じる変異配列の検出および除去のためのミスマッチ修復系を用いる方法 |
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| US (1) | US5922539A (ja) |
| EP (1) | EP0870060B1 (ja) |
| JP (1) | JP2000501615A (ja) |
| AT (1) | ATE236270T1 (ja) |
| CA (1) | CA2240346C (ja) |
| DE (1) | DE69627189T2 (ja) |
| WO (1) | WO1997021837A1 (ja) |
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| CN113766930B (zh) | 2019-02-26 | 2025-07-22 | 特韦斯特生物科学公司 | Glp1受体的变异核酸文库 |
| CA3131691A1 (en) | 2019-02-26 | 2020-09-03 | Twist Bioscience Corporation | Variant nucleic acid libraries for antibody optimization |
| AU2020298294A1 (en) | 2019-06-21 | 2022-02-17 | Twist Bioscience Corporation | Barcode-based nucleic acid sequence assembly |
| WO2021061842A1 (en) | 2019-09-23 | 2021-04-01 | Twist Bioscience Corporation | Variant nucleic acid libraries for single domain antibodies |
| JP2022548309A (ja) | 2019-09-23 | 2022-11-17 | ツイスト バイオサイエンス コーポレーション | Crth2のバリアント核酸ライブラリー |
| IL293670A (en) | 2019-12-09 | 2022-08-01 | Twist Bioscience Corp | Variable nucleic acid libraries for adenosine receptors |
| CN119242611A (zh) | 2020-03-19 | 2025-01-03 | 宝生物工程株式会社 | 耐热的错配核酸内切酶变体 |
Family Cites Families (5)
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|---|---|---|---|---|
| US5556750A (en) * | 1989-05-12 | 1996-09-17 | Duke University | Methods and kits for fractionating a population of DNA molecules based on the presence or absence of a base-pair mismatch utilizing mismatch repair systems |
| JPH05308999A (ja) * | 1992-05-08 | 1993-11-22 | Sumitomo Metal Ind Ltd | B型肝炎ウイルスpre−C変異の判定法 |
| FR2709761B1 (fr) * | 1993-09-10 | 1995-11-24 | Pasteur Institut | Procédé de détection de molécules contenant des mésappariements nucléotidiques et de localisation de ces mésappariements, et application à la détection de substitutions ou de délétions de bases . |
| US6027877A (en) * | 1993-11-04 | 2000-02-22 | Gene Check, Inc. | Use of immobilized mismatch binding protein for detection of mutations and polymorphisms, purification of amplified DNA samples and allele identification |
| GB9408344D0 (en) * | 1994-04-27 | 1994-06-15 | St James S University Hospital | Nucleic acid assays |
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- 1996-12-13 WO PCT/US1996/020075 patent/WO1997021837A1/en not_active Ceased
- 1996-12-13 CA CA002240346A patent/CA2240346C/en not_active Expired - Fee Related
- 1996-12-13 EP EP96944843A patent/EP0870060B1/en not_active Expired - Lifetime
- 1996-12-13 DE DE69627189T patent/DE69627189T2/de not_active Expired - Lifetime
- 1996-12-13 AT AT96944843T patent/ATE236270T1/de not_active IP Right Cessation
- 1996-12-13 JP JP9522267A patent/JP2000501615A/ja active Pending
- 1996-12-13 US US08/767,258 patent/US5922539A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021141868A (ja) * | 2020-03-13 | 2021-09-24 | 国立大学法人九州大学 | 耐熱性ミスマッチエンドヌクレアーゼによる核酸の切断方法 |
| JP7511832B2 (ja) | 2020-03-13 | 2024-07-08 | 国立大学法人九州大学 | 耐熱性ミスマッチエンドヌクレアーゼによる核酸の切断方法 |
| WO2023191034A1 (ja) * | 2022-03-31 | 2023-10-05 | モデルナ・エンザイマティクス株式会社 | 配列エラーの減少した二本鎖dnaの製造方法 |
| WO2025028566A1 (ja) * | 2023-07-31 | 2025-02-06 | モデルナ・エンザイマティクス株式会社 | 二本鎖dnaの製造方法 |
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| DE69627189D1 (de) | 2003-05-08 |
| EP0870060A1 (en) | 1998-10-14 |
| DE69627189T2 (de) | 2004-02-05 |
| EP0870060B1 (en) | 2003-04-02 |
| ATE236270T1 (de) | 2003-04-15 |
| WO1997021837A1 (en) | 1997-06-19 |
| CA2240346C (en) | 2007-04-24 |
| CA2240346A1 (en) | 1997-06-19 |
| US5922539A (en) | 1999-07-13 |
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