[Molecular cloning and functional analysis of DNA regions of plasmid RP4 determining the incompatibility properties]
[Article in
Russian]
- PMID: 3021575
Item in Clipboard
[Molecular cloning and functional analysis of DNA regions of plasmid RP4 determining the incompatibility properties]
[Article in
Russian]
Genetika.
1986 Aug.
Abstract
Sau3A-generated DNA fragments determining incompatibility functions of the plasmid RP4 were cloned on the vectors pTK16 and pBR322. Inc+ recombinant plasmids were divided into two types: 1) expressing incompatibility only towards the homologous RP4 replicon, 2) expressing incompatibility - both towards the homologous RP4 replicon and towards the heterologous replicons of plasmids R906 and R751. For one member of the first type plasmids it was shown that the cloned Inc+-specific insertion derived from the region of location of the EcoRI restriction site. The majority of the Inc+ recombinant plasmids showed asymmetric expression of incompatibility, predominantly eliminating the resident IncP plasmid.
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