JP2005537001A - 対立遺伝子特異的プライマー伸長 - Google Patents
対立遺伝子特異的プライマー伸長 Download PDFInfo
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- JP2005537001A JP2005537001A JP2004532003A JP2004532003A JP2005537001A JP 2005537001 A JP2005537001 A JP 2005537001A JP 2004532003 A JP2004532003 A JP 2004532003A JP 2004532003 A JP2004532003 A JP 2004532003A JP 2005537001 A JP2005537001 A JP 2005537001A
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- Prior art keywords
- phosphate
- reaction
- dna polymerase
- nucleic acid
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- 108700028369 Alleles Proteins 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 109
- 125000003729 nucleotide group Chemical group 0.000 claims abstract description 97
- 238000006243 chemical reaction Methods 0.000 claims abstract description 95
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- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 75
- 108010014303 DNA-directed DNA polymerase Proteins 0.000 claims abstract description 74
- 102000016928 DNA-directed DNA polymerase Human genes 0.000 claims abstract description 74
- 239000010452 phosphate Substances 0.000 claims abstract description 73
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 claims abstract description 64
- 229920000388 Polyphosphate Polymers 0.000 claims abstract description 63
- 239000001205 polyphosphate Substances 0.000 claims abstract description 63
- 235000011176 polyphosphates Nutrition 0.000 claims abstract description 63
- 102000039446 nucleic acids Human genes 0.000 claims abstract description 56
- 108020004707 nucleic acids Proteins 0.000 claims abstract description 56
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
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- BCHIXGBGRHLSBE-UHFFFAOYSA-N (4-methyl-2-oxochromen-7-yl) dihydrogen phosphate Chemical compound C1=C(OP(O)(O)=O)C=CC2=C1OC(=O)C=C2C BCHIXGBGRHLSBE-UHFFFAOYSA-N 0.000 claims description 2
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- JTNGEYANGCBZLK-UHFFFAOYSA-N 1h-indol-3-yl dihydrogen phosphate Chemical compound C1=CC=C2C(OP(O)(=O)O)=CNC2=C1 JTNGEYANGCBZLK-UHFFFAOYSA-N 0.000 claims description 2
- XZKIHKMTEMTJQX-UHFFFAOYSA-N 4-Nitrophenyl Phosphate Chemical compound OP(O)(=O)OC1=CC=C([N+]([O-])=O)C=C1 XZKIHKMTEMTJQX-UHFFFAOYSA-N 0.000 claims description 2
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- 239000001301 oxygen Substances 0.000 claims description 2
- PTMHPRAIXMAOOB-UHFFFAOYSA-L phosphoramidate Chemical compound NP([O-])([O-])=O PTMHPRAIXMAOOB-UHFFFAOYSA-L 0.000 claims description 2
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- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 claims description 2
- 229940113082 thymine Drugs 0.000 claims description 2
- 229940035893 uracil Drugs 0.000 claims description 2
- QRXMUCSWCMTJGU-UHFFFAOYSA-L (5-bromo-4-chloro-1h-indol-3-yl) phosphate Chemical compound C1=C(Br)C(Cl)=C2C(OP([O-])(=O)[O-])=CNC2=C1 QRXMUCSWCMTJGU-UHFFFAOYSA-L 0.000 claims 1
- WSROMHLXVLTYTH-UHFFFAOYSA-N (9,9-dimethyl-7-oxoacridin-2-yl) dihydrogen phosphate Chemical compound C1=C(OP(O)(O)=O)C=C2C(C)(C)C3=CC(=O)C=CC3=NC2=C1 WSROMHLXVLTYTH-UHFFFAOYSA-N 0.000 claims 1
- MSSXOMSJDRHRMC-UHFFFAOYSA-N 9H-purine-2,6-diamine Chemical compound NC1=NC(N)=C2NC=NC2=N1 MSSXOMSJDRHRMC-UHFFFAOYSA-N 0.000 claims 1
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- YACKEPLHDIMKIO-UHFFFAOYSA-L methylphosphonate(2-) Chemical compound CP([O-])([O-])=O YACKEPLHDIMKIO-UHFFFAOYSA-L 0.000 claims 1
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- 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
- C12Q1/6869—Methods for sequencing
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- 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
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- C—CHEMISTRY; METALLURGY
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- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/156—Polymorphic or mutational markers
Abstract
Description
ハイブリッドは以下のように形成できる。
δ−9H−(1,3−ジクロロ−9,9−ジメチルアクリジン−2−オン−7−イル)−チミジン−5′−四リン酸(dT4P−DDAO)及び色素結合四リン酸の調製
TTP TEA塩10μモルを蒸発乾固した。残渣にトリブチルアミン40μモル及び乾燥ピリジン5mlを添加した。この溶液を再度蒸発乾固した。乾燥ジメチルホルムアミド3mlで2回、共蒸発した後、残渣を乾燥DMF200μlに再溶解し、アルゴンを流し込み、栓をした。シリンジを用いて、乾燥DMF100μlに溶かしたカルボニルジイミダゾール(CDI)50μモル(8mg)を添加した。フラスコを外界温度で4時間撹拌した。
対立遺伝子特異的プライマー及び末端リン酸標識ヌクレオシドポリリン酸の識別
以下のプライマー及び鋳型を実施例2、3及び4で使用した。
プライマー:
5′−GTT CTC GGC ATC ACC ATC CG(s)T−3′(配列番号9)
5′−GTT CTC GGC ATC ACC ATG CG(s)T−3′(配列番号10)
5′−GTT CTC GGC ATC ACC ATC GG(s)T−3′(配列番号11)
鋳型:
5′−CAC CCT TAT CTG GTT GTC GAC GGA TGG TGA TGC CGA GAA C−3′(#1,配列番号12)
5′−CAC CCT TAT CTG GTT GTC GGC GGA TGG TGA TGC CGA GAA C−3′(#2,配列番号13)
5′−CAC CCT TAT CTG GTT GTC GCC GGA TGG TGA TGC CGA GAA C−3′(#3,配列番号14)
5′−CAC CCT TAT CTG GTT GTC GTC GGA TGG TGA TGC CGA GAA C−3′(#4,配列番号15)
反応は実施例(1)のデオキシヌクレオチドを用いて、室温(23℃)で構築した。反応液は、異なる2種のオリゴヌクレオチドの一方にアニールする単一のオリゴヌクレオチドプライマー(配列番号9で示される)を有するプライマー鋳型の組合せを含んでいた;2種の鋳型はプライマーの3′末端ヌクレオチドの反対側の多形部位にdA又はdGのいずれかを有し、それぞれ鋳型#1及び鋳型#2に相当するものである。
対立遺伝子特異的プライマーと末端リン酸標識ヌクレオシドポリリン酸を用いる対立遺伝子の識別:内部ミスマッチの影響
図4aについて、配列番号9の配列をもつプライマー及び3′末端に正しい又は間違った塩基をもつ鋳型#1又は鋳型#2を使用した。図4bについて、3′末端から3塩基離れて内部ミスマッチをもつ配列番号10のプライマー及び3′末端に正しい又は間違った塩基をもつ鋳型#1又は鋳型#2を使用した。図7は本発明の実施例3に使用したアニールしたプライマー/鋳型対を示す模式図である。
対立遺伝子特異的プライマーと末端リン酸標識ヌクレオシドポリリン酸を用いるPhi29DNAポリメラーゼによる対立遺伝子の識別
プライマーの3′末端に正しい又は間違った塩基をもち、同時に内部ミスマッチをもつ実施例2及び3に報告した実験を、Sequenaseの代わりにPhi29D12ADNAポリメラーゼを使用して繰返した。
Claims (28)
- 鋳型核酸の特性決定法であって、
(a)鋳型核酸、対立遺伝子特異的プライマー、1種以上の末端リン酸標識ヌクレオチド及びDNAポリメラーゼを反応させて標識ポリリン酸を生成させる段階、
(b)標識ポリリン酸を検出する段階、及び
(c)鋳型核酸を特性決定する段階、
を含む方法。 - 前記検出段階が、(a)標識ポリリン酸をホスファターゼと混合して検出可能な化学種を生成させる段階と(b)検出可能な化学種を検出する段階を含む、請求項1記載の方法。
- 前記反応段階と混合段階を同時に実施する、請求項2記載の方法。
- 前記検出可能な化学種が、色、蛍光発光、化学発光、質量変化、酸化還元電位及びこれらの組合せからなる群から選択される特性によって検出可能である、請求項2記載の方法。
- 前記対立遺伝子特異的プライマーがヌクレアーゼ耐性であり、前記反応段階における反応がさらに3′→5′エキソヌクレアーゼ活性を有する酵素を含む、請求項1記載の方法。
- 前記ヌクレアーゼ耐性プライマーが3′末端ホスホジエステル結合にホスホン酸メチル、ボラノホスフェート又はホスホロチオエートを有する、請求項5記載の方法。
- さらに、標識ポリリン酸エステルの生成量から鋳型核酸の量を計算する段階を含む、請求項1記載の方法。
- 前記標識ポリリン酸とは検出性の異なる1種以上の追加の検出試薬を前記反応段階の反応に添加する、請求項1記載の方法。
- 前記反応段階の反応が2種以上の末端リン酸標識ヌクレオチドを含む、請求項1記載の方法。
- 前記2種以上の末端リン酸標識ヌクレオチドが、化学発光化合物、蛍光発生色素、発色色素、質量タグ、電気化学的タグ及びこれらの組合せからなる群から選択される酵素活性化可能標識を含む、請求項9記載の方法。
- 前記対立遺伝子特異的プライマーが3′末端塩基から1、2又は3個目の塩基にミスマッチを有する、請求項1記載の方法。
- 前記末端リン酸標識ヌクレオチドがポリリン酸鎖に4個以上のリン酸基を含む、請求項1記載の方法。
- 前記DNAポリメラーゼがDNAポリメラーゼIのクレノーフラグメント、Phi29DNAポリメラーゼ、DNAポリメラーゼI、T4DNAポリメラーゼ、Thermo Sequenase、Sequenase、Taq DNAポリメラーゼ、pfu DNAポリメラーゼ、Amplitaq FS、逆転写酵素及びT7 DNAポリメラーゼからなる群から選択される、請求項1記載の方法。
- 前記DNAポリメラーゼが3′→5′エキソヌクレアーゼ活性を有し、前記対立遺伝子特異的プライマーがヌクレアーゼ耐性である、請求項1記載の方法。
- 前記鋳型核酸が対立遺伝子特異的プライマーの3′塩基に相補的な位置で多形であり、標識ポリリン酸の存在によって上記位置での鋳型核酸のヌクレオチド塩基の同一性が明らかとなる、請求項1記載の方法。
- 前記糖部分が、リボシル、2′−デオキシリボシル、3′−デオキシリボシル、2′,3′−ジデオキシリボシル、2′,3′−ジデヒドロジデオキシリボシル、2′−アルコキシリボシル、2′−アジドリボシル、2′−アミノリボシル、2′−フルオロリボシル、2′−メルカプトリボシル、2′−アルキルチオリボシル、3′−アルコキシリボシル、3′−アジドリボシル、3′−アミノリボシル、3′−フルオロリボシル、3′−メルカプトリボシル、3′−アルキルチオリボシル、炭素環式、非環式及び他の修飾糖からなる群から選択される、請求項16記載の方法。
- 前記塩基が、ウラシル、チミン、シトシン、グアニン、7−デアザグアニン、ヒポキサンチン、7−デアザヒポキサンチン、アデニン、7−デアザアデニン、2,6−ジアミノプリン及びそのアナログからなる群から選択される、請求項16記載の方法。
- 前記酵素活性化可能標識が、化学発光化合物、蛍光発生色素、発色色素、質量タグ、電気化学的タグ及びこれらの組合せからなる群から選択される、請求項16記載の方法。
- 前記酵素活性化可能標識が、5−ブロモ−4−クロロ−3−インドリルリン酸、3−インドキシルリン酸、p−ニトロフェニルリン酸及びこれらの誘導体からなる群から選択される発色団である、請求項19記載の方法。
- 前記酵素活性化可能標識が、2−(5′−クロロ−2′−ホスホリルオキシフェニル)−6−クロロ−4−(3H)−キナゾリノン、フルオレセイン二リン酸、フルオレセイン3′(6′)−O−アルキル−6′(3′)−リン酸、9H−(1,3−ジクロロ−9,9−ジメチルアクリジン−2−オン−7−イル)リン酸、4−メチルウンベリフェリルリン酸、レゾルフィンリン酸、4−トリフルオロメチルウンベリフェリルリン酸、ウンベリフェリルリン酸、3−シアノウンベリフェリルリン酸、9,9−ジメチルアクリジン−2−オン−7−イルリン酸、6,8−ジフルオロ−4−メチルウンベリフェリルリン酸及びこれらの誘導体からなる群から選択されるリン酸化標識及び蛍光発生部分である請求項19記載の方法。
- 前記標識がアルカリホスファターゼ活性化1,2−ジオキセタン化合物である、請求項19記載の方法。
- 前記1,2−ジオキセタン化合物が2−クロロ−5−(4−メトキシスピロ[1,2−ジオキセタン−3,2′−(5−クロロ−)トリシクロ[3,3,1−13,7]−デカン]−1−イル)−1−フェニルリン酸、クロロアダマンタ−2′−イリデンメトキシフェノキシリン酸化ジオキセタン、3−(2′−スピロアダマンタン)−4−メトキシ−4−(3″−ホスホリルオキシ)フェニル−1,2−ジオキセタン及びこれらの誘導体からなる群から選択される請求項22記載の方法。
- 標的核酸鎖における特定ヌクレオチド塩基の多形を検出するキットであって、
(a)1種以上の末端リン酸標識ヌクレオチド、
(b)DNAポリメラーゼ、及び
(c)ホスファターゼ
を含むキット。 - DNAを3′→5′方向に分解するのに十分な酵素活性を有するヌクレアーゼをさらに含む、請求項24記載のキット。
- 前記標的ポリヌクレオチドの少なくとも一部と相補的な配列を有するヌクレアーゼ耐性オリゴヌクレオチドプライマーをさらに含む、請求項24記載のキット。
- 前記DNAポリメラーゼが3′→5′方向にDNAを分解するのに十分なヌクレアーゼ活性を有する、請求項24記載のキット。
- 前記反応段階で複数サイクルの核酸ポリメラーゼ反応を実施し、各サイクルの最後に鋳型核酸から反応生成物を熱的に分離する、請求項1記載の方法。
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US40689402P | 2002-08-29 | 2002-08-29 | |
PCT/US2003/027286 WO2004020604A2 (en) | 2002-08-29 | 2003-08-29 | Allele specific primer extension |
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JP2005537001A true JP2005537001A (ja) | 2005-12-08 |
JP4643263B2 JP4643263B2 (ja) | 2011-03-02 |
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EP (1) | EP1546353A4 (ja) |
JP (1) | JP4643263B2 (ja) |
AU (1) | AU2003268322B2 (ja) |
CA (1) | CA2496462C (ja) |
WO (1) | WO2004020604A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008513579A (ja) * | 2004-09-16 | 2008-05-01 | アプレラ コーポレイション | 蛍光染料化合物、結合体およびそれらの使用 |
Families Citing this family (4)
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---|---|---|---|---|
US7211414B2 (en) | 2000-12-01 | 2007-05-01 | Visigen Biotechnologies, Inc. | Enzymatic nucleic acid synthesis: compositions and methods for altering monomer incorporation fidelity |
US8361712B2 (en) * | 2007-12-17 | 2013-01-29 | General Electric Company | Contamination-free reagents for nucleic acid amplification |
US8507662B2 (en) | 2001-01-19 | 2013-08-13 | General Electric Company | Methods and kits for reducing non-specific nucleic acid amplification |
US7223541B2 (en) * | 2001-08-29 | 2007-05-29 | Ge Healthcare Bio-Sciences Corp. | Terminal-phosphate-labeled nucleotides and methods of use |
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2003
- 2003-08-29 WO PCT/US2003/027286 patent/WO2004020604A2/en active Application Filing
- 2003-08-29 AU AU2003268322A patent/AU2003268322B2/en not_active Expired
- 2003-08-29 EP EP03749279A patent/EP1546353A4/en not_active Withdrawn
- 2003-08-29 CA CA2496462A patent/CA2496462C/en not_active Expired - Lifetime
- 2003-08-29 JP JP2004532003A patent/JP4643263B2/ja not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
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WO2004020604A3 (en) | 2004-08-12 |
EP1546353A2 (en) | 2005-06-29 |
WO2004020604A2 (en) | 2004-03-11 |
JP4643263B2 (ja) | 2011-03-02 |
CA2496462A1 (en) | 2004-03-11 |
EP1546353A4 (en) | 2006-02-01 |
AU2003268322B2 (en) | 2009-07-16 |
AU2003268322A1 (en) | 2004-03-19 |
CA2496462C (en) | 2014-01-28 |
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