Open AccessFertility Regulation in F-Like Resistance Transfer Factors
Author(s) -
David I. Hoar
Publication year - 1970
Publication title -
journal of bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.652
H-Index - 246
eISSN - 1067-8832
pISSN - 0021-9193
DOI - 10.1128/jb.101.3.916-920.1970
Subject(s) - biology , complementation , mutant , repressor , genetics , operator (biology) , mutation , microbiology and biotechnology , transcription factor , gene
Mutants of the R factor R100 have been isolated that mediate high-frequency transfer of the R factor during conjugation. Complementation tests revealed two classes of mutants, operator-constitutive and repressor-negative. Some of the latter class were suppressible by amber and ochre suppressors. The results support a simple model of regulation for the control of R-factor-mediated piliation.
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