DETECTION OF MULTIPLE VIRULENCE-ASSOCIATED GENES OF LISTERIA-MONOCYTOGENES BY PCR IN ARTIFICIALLY CONTAMINATED MILK SAMPLES

被引:60
作者
COORAY, KJ
NISHIBORI, T
XIONG, HB
MATSUYAMA, T
FUJITA, M
MITSUYAMA, M
机构
[1] NIIGATA UNIV, SCH MED, DEPT BACTERIOL, NIIGATA 951, JAPAN
[2] INST MED RES, DEPT FOOD & WATER BACTERIOL, COLOMBO, SRI LANKA
关键词
D O I
10.1128/AEM.60.8.3023-3026.1994
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The inhibitory effect of milk in the PCR detection of Listeria monocytogenes could be overcome by washing the contaminated milk sample with phosphate-buffered saline and concentrating the bacteria to 1/10 of the original volume. In order to avoid a possible failure in the detection of virulent L. monocytogenes, a one-step procedure which enabled demonstration of three virulence-associated genes, prfA, hlyA, and plcB, simultaneously in a single PCR mixture was developed.
引用
收藏
页码:3023 / 3026
页数:4
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