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Tecnología en Marcha
Article . 2015 . Peer-reviewed
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Tecnología en Marcha
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Tecnología en Marcha
Article . 2015
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Brucella abortus: patogénesis y regulación génica de la virulencia

Authors: Rivas-Solano, Olga;

Brucella abortus: patogénesis y regulación génica de la virulencia

Abstract

<p class="p1"><em>Brucella abortus </em>es un patógeno intracelular facultativo que pertenece a la subdivisión α2 de la clase Proteobacteria. Causa una brucelosis, una zoonosis ampliamente distribuida a nivel mundial. Los principales síntomas incluyen abortos y esterilidad en ganado, así como fiebre ondulante en humanos. En regiones endémicas como Centroamérica, la brucelosis tiene un alto impacto socioeconómico. En el Instituto Tecnológico de Costa Rica (ITCR) se desarrolló en fecha reciente un proyecto de investigación básica, con el objetivo de estudiar la regulación de algunos genes implicados en la virulencia, estructura e inmunogenicidad de <em>B. abortus</em>. Como parte de ese proyecto se elaboró el presente artículo de revisión de literatura. La virulencia de esta bacteria parece estar determinada por su habilidad para internalizarse, sobrevivir y replicarse dentro de fagocitos profesionales y no profesionales. <em>B. abortus </em>alcanza su nicho replicativo sin activar los mecanismos antimicrobianos de la inmunidad innata del hospedero. Esta bacteria posee sistemas de regulación génica a nivel transcripcional que le permiten una rápida adaptación al ambiente intracelular, entre ellos el sistema de transducción de señales de dos componentes BvrR/BvrS y el regulador de Quorum Sensing llamado Vjbr, así como otros factores de transcripción que, en conjunto, forman una compleja red de regulación génica. </p>

Related Organizations
Keywords

Technology, T, Omp25, VirB, VjbR, Brucella abortus, VjbR., BvrR/BvrS, Palabras clave

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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gold