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首页> 外文期刊>Journal of Clinical Microbiology >Discrimination among thermophilic Campylobacter species by polymerase chain reaction amplification of 23S rRNA gene fragments.
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Discrimination among thermophilic Campylobacter species by polymerase chain reaction amplification of 23S rRNA gene fragments.

机译:通过聚合酶链反应扩增23S rRNA基因片段来区分嗜热弯曲杆菌。

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By comparing nucleic acid sequences determined for one of the most variable areas of 23S rRNA genes of 23 Campylobacter strains, we were able to identify regions specific for thermophilic Campylobacter strains. Oligonucleotide primers corresponding to these unique regions were synthesized and used in the polymerase chain reaction. One primer pair selectively detected all thermophilic Campylobacter species, while four other primer pairs allowed discrimination among the thermophilic species Campylobacter coli, Campylobacter jejuni subsp. jejuni, Campylobacter lari, and Campylobacter upsaliensis. All primer sets were tested successfully on a large number of clinical isolates.
机译:通过比较为23个弯曲杆菌菌株的23S rRNA基因变化最大的区域之一确定的核酸序列,我们能够鉴定特异于嗜热弯曲杆菌菌株的区域。合成了与这些独特区域相对应的寡核苷酸引物,并将其用于聚合酶链反应中。一个引物对选择性地检测了所有嗜热弯曲杆菌物种,而其他四个引物对则可以区分嗜热弯曲杆菌大肠杆菌,空肠弯曲菌亚种。空肠,弧形弯曲杆菌和upsaliensis弯曲杆菌。所有引物组均已在大量临床分离株上成功测试。

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