About The Medical Condition Sex Pili
Find the definition of the medical term Sex Pili. Sex Pili defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Sex Pili
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What's The Definition Of The Medical Condition Sex Pili?
Filamentous or elongated proteinaceous structures which extend from the cell surface in gram-negative bacteria that contain certain types of conjugative plasmid. These pili are the organs associated with genetic transfer and have essential roles in conjugation. Normally, only one or a few pili occur on a given donor cell. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed, p675) This preferred use of "pili" refers to the sexual appendage, to be distinguished from bacterial fimbriae (FIMBRIAE, BACTERIAL), also known as common pili, which are usually concerned with adhesion.
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