Genotyping short tandem repeats using flow injection and electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry.

Genotyping short tandem repeats using flow injection and electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry.
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使用流动注射和电喷雾电离傅里叶变换离子回旋共振质谱法对短串联重复序列进行基因分型。

DOI:
10.1002/rcm.234
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发表时间:
2001
期刊:
Rapid communications in mass spectrometry : RCM.
影响因子:
--
通讯作者:
Muddiman,DC
Muddiman,DC
中科院分区:
--
文献类型:
--
作者:
Hannis,JC;Muddiman,DC

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首次使用流动注射分析与电喷雾电离质谱(ESI-MS)联用完成了聚合酶链反应(PCR)扩增子的表征。在人酪氨酸羟化酶短串联重复基因座处从9.3等位基因的个体纯合子扩增PCR扩增子。使用Pfu聚合酶扩增一个产物,并产生长度为82个碱基对(bp)的平端扩增子。使用Taq聚合酶扩增第二个PCR产物,产生具有82 bp粘性末端加上单腺苷酸化或二腺苷酸化的扩增子。在数据采集期间,使用0.5-µL定量环交替进样两种PCR扩增子,Pfu扩增子为2 µM,Taq扩增子为1 µM,流速为200 nL/min。  使用质量测量准确鉴定了两种PCR扩增子,说明ESI-MS用于基因分型短串联重复序列的兼容性和大PCR扩增子高通量基因分型的潜力。版权所有© 2001约翰威利父子有限公司。
Characterizing polymerase chain reaction (PCR) amplicons has been accomplished for the first time using flow injection analysis coupled to electrospray ionization mass spectrometry (ESI‐MS). The PCR amplicons were amplified at the human tyrosine hydroxylase short tandem repeat locus from an individual homozygotic for the 9.3 allele. One product was amplified usingPfupolymerase and yielded a blunt‐ended amplicon of 82 base‐pairs (bp) in length. The second PCR product was amplified usingTaqpolymerase that resulted in an amplicon with cohesive termini of 82 bp plus either mono‐ or diadenylation. The two PCR amplicons were alternatively injected using a 0.5‐µL loop at 2 µM for thePfuamplicon and 1 µM for theTaqamplicon with a flow rate of 200 nL/min during data acquisition. Both PCR amplicons were accurately identified using mass measurements illustrating the compatibility of ESI‐MS for genotyping short tandem repeat sequences and the potential for high‐throughput genotyping of large PCR amplicons. Copyright © 2001 John Wiley & Sons, Ltd.
通过开发电喷雾电离傅里叶变换离子回旋共振质谱法准确表征酪氨酸羟化酶法医等位基因 9.3。
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