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用于克雷伯菌属常见荚膜血清型细分的新型噬菌体分型方案

New bacteriophage typing scheme for subdivision of the frequent capsular serotypes of Klebsiella spp.

作者信息

Gaston M A, Ayling-Smith B A, Pitt T L

出版信息

J Clin Microbiol. 1987 Jul;25(7):1228-32. doi: 10.1128/jcm.25.7.1228-1232.1987.

Abstract

A bacteriophage typing scheme for hospital isolates of Klebsiella spp. was developed. The scheme was designed specifically as a secondary typing method to discriminate between strains of serotypes K2, K3, and K21 but proved to be an efficient general typing method for strains of most serotypes. The set of 15 phages gave 87.3% typeability on 236 strains of more than 70 different serotypes. Typeability within the K2, K3, and K21 strains was 93, 89, and 91%, respectively. There was a mean of 3.2 reactions strain-1 for all phage-typeable strains. Of the serologically nontypeable strains, 76.7% were susceptible to one or more phages. The most common pattern accounted for only 7% of the strains. The lytic patterns were reproducible if strains were typed on the same day, but differences were observed if strains were stored for 1 week or more before retyping. A total of 96.5% of the strains were typeable by a combination of capsular serology and phage typing.

摘要

开发了一种用于肺炎克雷伯菌医院分离株的噬菌体分型方案。该方案专门设计为一种二级分型方法,用于区分血清型K2、K3和K21的菌株,但事实证明它是一种对大多数血清型菌株有效的通用分型方法。这组15种噬菌体对236株70多种不同血清型的菌株分型成功率为87.3%。K2、K3和K21菌株内的分型成功率分别为93%、89%和91%。所有可被噬菌体分型的菌株平均每个菌株有3.2种反应。在血清学不可分型的菌株中,76.7%对一种或多种噬菌体敏感。最常见的模式仅占菌株的7%。如果在同一天对菌株进行分型,裂解模式是可重复的,但如果在重新分型前将菌株保存1周或更长时间,则会观察到差异。通过荚膜血清学和噬菌体分型相结合,总共96.5%的菌株是可分型的。

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The significance of bacteriocin typing of Klebsiella strans.肺炎克雷伯菌菌株细菌素分型的意义。
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A working scheme for bacteriophage typing of Klebsiella bacilli.
Arch Immunol Ther Exp (Warsz). 1967;15(4):589-99.
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A working scheme for typing Klebsiella bacilli by means of pneumocins.
Arch Immunol Ther Exp (Warsz). 1967;15(4):525-9.
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Bacteriocine typing of Klebsiella spp.克雷伯氏菌属的细菌素分型
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