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用于测定肺炎链球菌血清型和血清群的半自动多重聚合酶链反应检测方法的评估

Evaluation of semiautomated multiplex PCR assay for determination of Streptococcus pneumoniae serotypes and serogroups.

作者信息

Lawrence Elliot R, Griffiths David B, Martin Siobhán A, George Robert C, Hall Lucinda M C

机构信息

Department of Medical Microbiology, Barts and The London School of Medicine and Dentistry, Queen Mary, University of London, London E1 2AD.

出版信息

J Clin Microbiol. 2003 Feb;41(2):601-7. doi: 10.1128/JCM.41.2.601-607.2003.

Abstract

A semiautomated method for the determination of five serotypes and three serogroups in Streptococcus pneumoniae was developed. Primers specific for serotypes 1, 3, 14, 19F, and 23F and serogroups 6, 19, and 23 were combined in three multiplex PCRs. Products were separated by capillary electrophoresis with a 7-min run time, and a serotype or serogroup was assigned on the basis of fragment size. The method was used to test 93 clinical isolates, and all isolates of the serotypes concerned were correctly detected. The strategy would allow the detection of multiple serotypes in a single sample. Detection of additional serotypes could be included as capsule locus sequences become available.

摘要

开发了一种用于测定肺炎链球菌中五种血清型和三个血清群的半自动方法。针对血清型1、3、14、19F和23F以及血清群6、19和23的特异性引物被组合在三个多重PCR中。产物通过运行时间为7分钟的毛细管电泳进行分离,并根据片段大小确定血清型或血清群。该方法用于检测93株临床分离株,所有相关血清型的分离株均被正确检测。该策略可在单个样本中检测多种血清型。随着更多荚膜基因座序列的获得,可纳入对其他血清型的检测。

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