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What is The role of plasmids in conjugation was first described by Lederberg and Tatum (1946) in which bacteria? and explain in detail?
Bacterial conjugation was first described by Lederberg and Tatum (1946) in a strain of E.coli called K12 (carried a conjugative plasmid F) The F factor: The F plasmid, also called F factor, is a transfer factor that contains the genetic information, essential for controlling mating process of the bacteria during conjugation. The F plasmid of Escherichia coli is the prototype for feility plasmids in Gram-negative bacteria. Strains of E. coli with F+ plasmid are called as donors, whereas plasmid are F- behave as recipients.