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[Study on the plasmid instability of Bdellovibrio BDG-9].

Authors
  • Jiao, P
  • Ma, C
  • Wang, S
Type
Published Article
Journal
Wei sheng wu xue bao = Acta microbiologica Sinica
Publication Date
Apr 01, 2000
Volume
40
Issue
2
Pages
174–179
Identifiers
PMID: 12548941
Source
Medline
License
Unknown

Abstract

A new method system was established in this paper to study the plasmid in stability of Bdellovibrio BDG-9. Using this system, it was found that when BDG-9 was cultured singly on the SMB plate, plasmid pST I was unstable although pST I still replicated and distributed to progeny cell normally. The results showed that the pST I copy number in single cell of BDG-9 decreased gradually to zero with the propagation of BDG-9. Additionally, plasmid pST I was very important for the growth of BDG-9, and with the lacking of pST I s, the growth and propagation of BDG-9 ceased.

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