Article
Amelioration of the cost of conjugative plasmid carriage in Eschericha coli K12.
Genetics - 1 Dec 2003
Dahlberg Cecilia, Chao Lin
Abstract excerpt
Although plasmids can provide beneficial functions to their host bacteria, they might confer a physiological or energetic cost. This study examines how natural selection may reduce the cost of carrying conjugative plasmids with drug-resistance markers in the absence of antibiotic selection. We studied two plasmids, R1 and RP4, both of which carry multiple drug resistance genes and were shown to impose an initial...
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