Cloning and sequencing of a region of Vibrio cholerae 0139 Bengal and its use in PCR-based detection

被引:6
作者
Falklind, S
Stark, M
Albert, MJ
Uhlen, M
Lundeberg, J
Weintraub, A
机构
[1] ROYAL INST TECHNOL, DEPT BIOCHEM & BIOTECHNOL, KTH, S-10044 STOCKHOLM, SWEDEN
[2] HUDDINGE UNIV HOSP, KAROLINSKA INST, DEPT IMMUNOL MICROBIOL PATHOL & INFECT DIS, DIV CLIN BACTERIOL, S-14186 HUDDINGE, SWEDEN
[3] INT CTR DIARRHOEAL DIS RES, DHAKA, BANGLADESH
关键词
D O I
10.1128/JCM.34.12.2904-2908.1996
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
We isolated and characterized a Vibrio cholerae O139 Bengal-specific DNA region by arbitrary PCR. The fragment contains open reading frames encoding two potential glycosyltransferases possibly involved in capsular polysaccharide or lipopolysaccharide biosynthesis. In order to evaluate the possibility that this region could be used for the specific detection of V. cholerae O139 Bengal, a PCR system was established. The specificity and sensitivity of the PCR were investigated by analyzing 240 strains within the family Vibrionaceae and 178 strains of other gram-negative bacteria. All V. cholerae O139 Bengal strains tested were positive, and none of the 384 control strains were amplified. The sensitivity of the assay was 10(2) CFU/ml.
引用
收藏
页码:2904 / 2908
页数:5
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