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通过全细胞斑点印迹杂交用染色体DNA探针快速准确鉴定肠道拟杆菌属菌种。

Rapid and correct identification of intestinal Bacteroides spp. with chromosomal DNA probes by whole-cell dot blot hybridization.

作者信息

Morotomi M, Ohno T, Mutai M

机构信息

Yakult Central Institute for Microbiological Research, Tokyo, Japan.

出版信息

Appl Environ Microbiol. 1988 May;54(5):1158-62. doi: 10.1128/aem.54.5.1158-1162.1988.

Abstract

A dot blot hybridization procedure with 32P-labeled whole chromosomal DNA of the type strains as probes was developed as a rapid and simple method for identification of intestinal Bacteroides species. Bacterial cells were fixed onto membrane filters by slight suction, treated with 0.5 N NaOH, and hybridized with these probes. Of 65 Bacteroides strains isolated from 19 human fecal specimens, which were identified as B. fragilis, B. thetaiotaomicron, B. ovatus, B. caccae, B. uniformis, B. stercoris, B. vulgatus, B. distasonis, and B. merdae by conventional phenotypic characterization, 62 (95%) were correctly identified with this hybridization procedure.

摘要

开发了一种斑点印迹杂交程序,以32P标记的模式菌株全染色体DNA作为探针,作为鉴定肠道拟杆菌属物种的快速简便方法。通过轻微抽吸将细菌细胞固定在膜滤器上,用0.5N NaOH处理,并用这些探针进行杂交。从19份人类粪便标本中分离出65株拟杆菌菌株,通过传统表型特征鉴定为脆弱拟杆菌、多形拟杆菌、卵形拟杆菌、粪拟杆菌、解脲拟杆菌、粪便拟杆菌、普通拟杆菌、狄氏拟杆菌和屎拟杆菌,其中62株(95%)通过该杂交程序得到正确鉴定。

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本文引用的文献

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An antigenic analysis of Lactobacillus acidophilus.嗜酸乳杆菌的抗原分析。
J Infect Dis. 1962 May-Jun;110:258-67. doi: 10.1093/infdis/110.3.258.
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Production of a fecal mutagen by Bacteroides spp.拟杆菌属产生粪便诱变剂
Infect Immun. 1982 Sep;37(3):975-80. doi: 10.1128/iai.37.3.975-980.1982.
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Mutagenic activation of biliary metabolites of 1-nitropyrene by intestinal microflora.
Mutat Res. 1985 Apr;149(2):171-8. doi: 10.1016/0027-5107(85)90023-5.

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