PRESENCE OF EAEA SEQUENCES IN PATHOGENIC AND NONPATHOGENIC ESCHERICHIA-COLI STRAINS ISOLATED FROM WEANED RABBITS

被引：16

作者：

LEROY, SM ^{[1
]}

LESAGE, MC ^{[1
]}

CHASLUSDANCLA, E ^{[1
]}

LAFONT, JP ^{[1
]}

机构：

[1] INRA,CTR TOURS,PATHOL AVIAIRE & PARASITOL STN,F-37380 NOUZILLY,FRANCE

来源：

JOURNAL OF MEDICAL MICROBIOLOGY | 1994年 / 40卷 / 02期

关键词：

D O I：

10.1099/00222615-40-2-90

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Seventy-one Escherichia coli strains isolated from diarrhoeic weaned rabbits from different areas of France were tested for the presence of DNA sequences specific for the EPEC, EHEC, DAEC and EAggEC strains and 16 of them were tested for pathogenicity in animal experiments. High pathogenicity was observed only with strains unable to ferment rhamnose. DNA from all 55 rhamnose-negative 0103, 026 and rough strains hybridised with the eaeA probe. Similar hybridisation was obtained with six non-pathogenic rhamnose-positive strains belonging to serogroups 0128 and 0132. No hybridisation was observed with the other probes. This is the first report of the presence of eaeA sequences in genomic DNA of non-pathogenic strains.

引用

页码：90 / 94

页数：5

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