Article
Mutational analysis of TraM correlates oligomerization and DNA binding with autoregulation and conjugative DNA transfer.
The Journal of biological chemistry - 31 Dec 2004
Lu Jun, Zhao Wen, Frost Laura S
Abstract excerpt
F plasmid TraM, an autoregulatory homotetramer, is essential for F plasmid bacterial conjugative transfer, one of the major mechanisms for horizontal gene dissemination. TraM cooperatively binds to three sites (sbmA, -B, and -C) near the origin of transfer in the F plasmid. To examine whether or not tetramerization of TraM is required for autoregulation and F conjugation, we used a two-plasmid system to screen...
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