| Descriptor in English: | Pili, Sex |
| Descriptor in Spanish: | Pili Sexual |
| Descriptor in Portuguese: | Pili Sexual |
| Descriptor in French: | Pili sexuels |
| Entry term(s): |
Conjugative Pili Conjugative Pilus Pili, Conjugative Pilus, Conjugative Pilus, Sex Sex Pili Sex Pilus |
| Tree number(s): |
A11.284.180.690 A20.867 |
| Scope note: | 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. |
| Annotation: | do not confuse with COMMON PILI see FIMBRIAE, BACTERIAL |
| Allowable Qualifiers: |
CH chemistry CL classification DE drug effects EN enzymology GE genetics IM immunology ME metabolism MI microbiology PA pathology PH physiology PS parasitology RE radiation effects TR transplantation UL ultrastructure VI virology |
| History Note: | 95 |
| See also the descriptors: |
Conjugation, Genetic
MeSH |
| DeCS UI: | 22615 |
| Descriptor UI: | D018933 |
| Date Established: | 1995/01/01 |
| Date of Entry: | 1994/10/25 |
| Revision Date: | 2009/07/06 |
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ANATOMY
Cells [A11]Cells
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Pili, Sex
- Preferred
| Concept UI |
M0028302 |
| Scope note | 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. |
| Preferred term | Pili, Sex |
| Entry term(s) |
Conjugative Pili Conjugative Pilus Pili, Conjugative Pilus, Conjugative Pilus, Sex Sex Pili Sex Pilus |
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