Prab at 17:24, 18 March 2025

2025-03-18T17:24:17Z

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'''F factor''' (or '''F plasmid''') is a [[genetic]] element found in [[bacteria]] that allows them to perform a process known as [[bacterial conjugation]]. This process is a type of [[gene transfer]] that increases [[genetic diversity]] among bacteria.

== Overview ==

The F factor, also known as the fertility factor, is a type of [[plasmid]] - a small, circular piece of [[DNA]] that is separate from the bacterial [[chromosome]]. It carries genes that code for the production of [[sex pilus]], a structure that enables the transfer of genetic material from one bacterium to another.

== Role in Bacterial Conjugation ==

In bacterial conjugation, a bacterium with the F factor (the donor) transfers a copy of the F factor to a bacterium without it (the recipient). This is achieved through the sex pilus, which forms a bridge between the two bacteria, allowing the transfer of the F factor.

Once the recipient bacterium has received the F factor, it becomes a potential donor itself. This process increases the genetic diversity among bacteria, which can contribute to their ability to adapt to changing environments and resist [[antibiotics]].

== F' Plasmid ==

In some cases, the F factor can integrate into the bacterial chromosome. When it is subsequently excised, it can carry with it a portion of the bacterial chromosome. This modified F factor, known as an F' plasmid, can then be transferred to a recipient bacterium, along with the chromosomal genes it carries. This process, known as Hfr conjugation, can lead to the rapid spread of new traits among bacteria.

== See Also ==

* [[Bacterial conjugation]]
* [[Plasmid]]
* [[Gene transfer]]
* [[Antibiotic resistance]]

== References ==

<references />

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[[Category:Bacterial genetics]]
[[Category:Microbiology]]
[[Category:Genetics]]
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F factor - Revision history

Prab at 17:24, 18 March 2025

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