当前位置： SCI文献检索 > MICROBIAL PATHOGENESIS期刊下所有文献 > Presence of F-like OriT base-pair sequence on the virulence plasmids of Salmonella serovars Gallinarum, Enteritidis, and Typhimurium, but absent in those of Choleraesuis and Dublin.

Presence of F-like OriT base-pair sequence on the virulence plasmids of Salmonella serovars Gallinarum, Enteritidis, and Typhimurium, but absent in those of Choleraesuis and Dublin.

Abstract：

:The 90 kb virulence plasmids of Salmonella biosers Gallinarum and Pullorum (expressed as serovar Gallinarum) are non-conjugative. They were, however, found to be readily mobilized by IncFI and IncFIV plasmids, but not by conjugative IncA, IncB = C, IncH, IncL and IncM R plasmids. No virulence plasmids of serovars Choleraesuis, Dublin, Enteritidis, and Typhimurium were mobilized by any of these conjugative plasmids. The 90 kb virulence plasmid of Gallinarum was shown to hybridize to the Tra genes region of IncFI and IncFIV plasmids, suggesting it contains some F Tra genes region. It also hybridized with 75% homology to the virulence plasmid of Typhimurium, and, in decreasing order, to those of Dublin, Enteritidis, and Choleraesuis. A probe made of 319 basepairs of the F OriT region hybridized with approximately 45% homology to the virulence plasmid of Gallinarum, 63% to that of Typhimurium and 50% to that of Enteritidis. The probe, however, failed to hybridize to the plasmid DNAs of IncA, IncB = C, IncH, IncL and IncM, and to the virulence plasmids of Choleraesuis and Dublin.

journal_name

Microb Pathog

journal_title

Microbial pathogenesis

authors

Ou JT,Lin MY,Chao HL

doi

10.1006/mpat.1994.1048

subject

Has Abstract

pub_date

1994-07-01 00:00:00

pages

13-21

issue

1

eissn

0882-4010

issn

1096-1208

pii

S0882-4010(84)71048-5

journal_volume

17

pub_type

杂志文章

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