Colicin production/resistance associated with R-plasmids of Gram negative bacteria isolated from poultry in Karachi.
R plasmids of Gram negative bacteria isolated from poultry in Karachi were studied for their properties of colicin production and resistance. Of 39 R plasmids studied, 23 resisted colicin where as only one R-plasmid produced colicin.
Ansari
F A
FA
Department of Microbiology, University of Karachi, Karachi-75270.
Khatoon
H
H