Fig. 8A: Hfr Conjugation, Step-1

To form an Hfr bacterium, a F+ plasmid containing Tra genes coding for mating pair formation and the production of a conjugation pilus (sex pilus or F+ pilus) and oriT sequences for initiation of DNA transfer integrates into the donor’s chromosome.

Illustration of Hfr Conjugation, Step 1.jpg by Gary E. Kaiser, Ph.D.
Professor of Microbiology, The Community College of Baltimore County, Catonsville Campus
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Last updated: August, 2018
Please send comments and inquiries to Dr. Gary Kaiser