Interactions between Colicinogenic Factor B and F-Type Factors: Isolation of a Mutant F-lac Factor Insensitive to the Effect of Colicinogenic Factor B
AUTOR(ES)
Negrotti, T.
RESUMO
An extrachromosomal factor, colicinogenic factor B (colB) inhibits expression of fertility functions of various F-type factors in strains of E. coli K12. Mutant F-lac factors simultaneously became insensitive to all the effects of colB as well as to similar actions exerted by a resistance transfer factor, R fi+. This suggests that a common site or activity necessary for the expression of several F functions is affected by products of both colB and R fi+.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1212728Documentos Relacionados
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