| Literature DB >> 1513874 |
C Ahn1, D Collins-Thompson, C Duncan, M E Stiles.
Abstract
The mobilization of a nonconjugative plasmid (pCaT) that mediates chloramphenicol resistance in Lactobacillus plantarum caTC2R was achieved by comobilization with the conjugative plasmid pAM beta 1. The conjugation studies confirmed that the 8.5-kb pCaT in L. plantarum caTC2R contains the gene responsible for chloramphenicol resistance and that the plasmid has several unique restriction sites which make it useful for genetic studies in Carnobacterium spp. Cloning studies showed that the gene responsible for chloramphenicol resistance is located in the 2.6-kb EcoRV-SalI region of pCaT. This was confirmed by probing the 3.0-kb BglII fragment of pCaT with a biotin-labeled 1.6-kb BstEII-HpaII fragment from the streptococcal-derived plasmid pVA797(Cmr). Expression of chloramphenicol resistance in Carnobacterium as well as in other Lactobacillus species was achieved by electrotransformation using donor DNA from pCaT.Entities:
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Year: 1992 PMID： 1513874 DOI： 10.1016/0147-619x(92)90018-6
Source DB: PubMed Journal: Plasmid ISSN： 0147-619X Impact factor: 3.466