APPLICATION OF GAS-CHROMATOGRAPHY MASS-SPECTROMETRY FOR RAPID DETECTION OF MYCOBACTERIUM-XENOPI IN DRINKING-WATER

被引:19
作者
ALUGUPALLI, S
LARSSON, L
SLOSAREK, M
JARESOVA, M
机构
[1] UNIV LUND, DEPT MED MICROBIOL, S-22362 LUND, SWEDEN
[2] NATL INST PUB HLTH, CS-10042 PRAGUE 10, CZECHOSLOVAKIA
[3] WATERWORKS PRAGUE, CS-14700 PRAGUE, CZECHOSLOVAKIA
关键词
D O I
10.1128/AEM.58.11.3538-3541.1992
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
Gas chromatography-mass spectrometry (GC-MS) was used to detect 2-docosanol, a secondary alcohol characteristic of Mycobacterium xenopi, in 7 of 10 analyzed drinking water samples culture positive for that species. GC-MS was also used to detect tuberculostearic acid. Both of these chemical markers were analyzed as halogenated derivatives in the negative-ion-chemical-ionization mode. The numbers of CFU of M. xenopi were lowest in the three GC-MS-negative samples. The described GC-MS method is useful for the rapid detection of M. xenopi in drinking water.
引用
收藏
页码:3538 / 3541
页数:4
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