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Fall 2014
Multidrug resistant bacteria pose a threat to human health and economic burden for the healthcare system. Transmission of antibiotic resistance genes can occur by the conjugative transfer of the F plasmid between bacteria. The transferosome forms a channel linking the two cells together, while...
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Mechanistic basis of plasmid-specific DNA binding of the F plasmid regulatory protein, TraM
DownloadFall 2014
The conjugative transfer of bacterial F plasmids relies on TraM, a plasmid-encoded protein that recognizes multiple DNA sites to recruit the plasmid to the conjugative pore. In spite of the high degree of amino acid sequence conservation between TraM proteins, many of these proteins have markedly...
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Fall 2012
Bacterial conjugation is the process of plasmid DNA transfer from a donor cell to a recipient cell. This process is mediated in F-like plasmids by proteins expressed by the tra operon. The relaxosome forms at oriT (origin of transfer), where the nicking and unwinding of a single-stranded copy of...