期刊
PLASMID
卷 55, 期 2, 页码 158-163出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.plasmid.2005.07.003
关键词
conjugation; entry exclusion; plasmid; Actinobacillus actinomycetemcomitans
资金
- NIDCR NIH HHS [R01 DE12107] Funding Source: Medline
Conjugative plasmid transfer into a recipient cell containing the same or a closely related plasmid is inhibited by a mechanism called entry or surface exclusion. The function of entry exclusion is to reduce unproductive conjugation. The current study assessed the exclusion activity on conjugal plasmid pVT745 by conducting mating experiments with genetically distinguishable derivatives of this plasmid. Our results demonstrate that a single gene, magB05, that is located in a gene cluster associated with mating pore formation, is responsible for the entry exclusion phenotype of pVT745. (c) 2005 Elsevier Inc. All rights reserved.
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