DEVELOPMENT OF A PCR ASSAY COMBINED WITH A SHORT ENRICHMENT CULTURE FOR DETECTION OF CAMPYLOBACTER-JEJUNI IN ESTUARINE SURFACE WATERS

被引:0
|
作者
HERNANDEZ, J
ALONSO, JL
FAYOS, A
AMOROS, I
OWEN, RJ
机构
[1] UNIV POLITECN VALENCIA,INST HIDROL & MED NAT,E-46022 VALENCIA,SPAIN
[2] CENT PUBL HLTH LAB,NATL COLLECT TYPE CULTURES,LONDON NW9 5HT,ENGLAND
关键词
CAMPYLOBACTER JEJUNI; POLYMERASE CHAIN REACTION; DNA; SURFACE WATER;
D O I
暂无
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Two extraction procedures were examined, and it was found that DNA recovered from Campylobacter jejuni lysed by the cetyltrimethylammonium bromide (CTAB) method was more suitable for use as a PCR template than DNA released by the boiling method. The region targeted for PCR amplification was a 1.73-kb portion of the flagellin A gene of C. jejuni. The detection limit was lower than 30 cells per 100 ml in artificially contaminated waters. PCR assay and conventional culturing method had the same sensitivity, but results of the PCR technique were available within 48 h and so shortened the time necessary for detection by 48 h.
引用
收藏
页码:201 / 206
页数:6
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