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Descriptor English: Pili, Sex
Descriptor Spanish: Pili Sexual
Descriptor pili sexual
Entry term(s) pelo sexual
pili de conjugación
Scope note: Estructuras proteicas filamentosas o alargadas que se extienden desde la superficie celular de las bacterias gram-negativas que contienen ciertos tipos de plásmidos conjugados. Estos pelos son los órganos asociados con la transferencia genética y desempeñan un papel esencial en la conjugación. Normalmente, sólo uno o unos pocos de ellos se presentan en una célula donante determinada. (Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2da ed, p 675). Es preferible utilizar el término "pili" cuando se refiere al apéndice sexual, y así distinguirlo de la fimbria de las bacterias (FIMBRIAS BACTERIANAS), a las que también se les denomina pelos comunes, las cuales están generalmente relacionadas con la adhesión.
Descriptor Portuguese: Pili Sexual
Descriptor French: Pili sexuels
Entry term(s): Pili conjugatif
Pili conjugatifs
Pili sexuel
Pilus sexuel
Tree number(s): A11.284.180.690
A20.867
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D018933
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 composition chimique
CL classification
DE effets des médicaments et des substances chimiques
EN enzymologie
GE génétique
IM immunologie
ME métabolisme
MI microbiologie
PA anatomopathologie
PH physiologie
PS parasitologie
RE effets des radiations
TR transplantation
UL ultrastructure
VI virologie
Related: Conjugaison génétique MeSH
DeCS ID: 22615
Unique ID: D018933
NLM Classification: QW 51
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1995/01/01
Date of Entry: 1994/10/25
Revision Date: 2009/07/06
Pili sexuels - Preferred
Concept UI M0028302
Preferred term Pili sexuels
Entry term(s) Pili conjugatif
Pili conjugatifs
Pili sexuel
Pilus sexuel



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