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F Plasmid

F Plasmid

By Boyang Zhao

F plasmid is the plasmid form of the F factor, which consists of about 25 genes. A bacterium with the F plasmid (F+ cell) is able to create and extend sex pili to a recipient bacterium without the plasmid (F- cell). This process is known as conjugation. As result of this process, the recipient also becomes F+ cell.

If the F plasmid is integrated into the chromosomal DNA before conjugation, the donor (now called Hfr cell) is able to transfer some of its chromosomal DNA to a F- recipient.

References and Further Readings
  • Campbell NA,Reece JB. 2005. Biology 7th Edition. San Francisco (CA): Benjamin Cummings. 1312 p.
Last updated: Tue Feb 20 2007 19:10:15 GMT
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