Journal
EMBO REPORTS
Volume 20, Issue 2, Pages -Publisher
WILEY
DOI: 10.15252/embr.201847012
Keywords
bacterial conjugation; DNA and Protein Secretion; pilus biogenesis; relaxosome; type IV secretion system
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Funding
- Wellcome Trust [098302]
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Conjugation is the process by which bacteria exchange genetic materials in a unidirectional manner from a donor cell to a recipient cell. The discovery of conjugation signalled the dawn of genetics and molecular biology. In Gram-negative bacteria, the process of conjugation is mediated by a large membrane-embedded machinery termed conjugative type IV secretion (T4S) system, a large injection nanomachine, which together with a DNA-processing machinery termed the relaxosome and a large extracellular tube termed pilus orchestrates directional DNA transfer. Here, the focus is on past and latest research in the field of conjugation and T4S systems in Gram-negative bacteria, with an emphasis on the various questions and debates that permeate the field from a mechanistic perspective.
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