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IDENTIFICATION OF THE ALPHA-ENOLASE P46 IN THE EXTRACELLULAR MEMBRANE VESICLES OF BACTEROIDES FRAGILIS
proteômica
α-enolase
vesículas da membrana extracelular
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Resumen en ingles
Members of the Bacteroides fragilis group are the most important components of the normal human gut microbiome, but are also major opportunistic pathogens that are responsible for significant mortality, especially in the case of bacteraemia and other severe infections, such as intra-abdominal abscesses. Up to now, several virulence factors have been described that might explain the involvement of B. fragilis in these infections. The secretion of extracellular membrane vesicles (EMVs) has been proposed to play a role in pathogenesis and symbiosis in gram-negative bacteria, by releasing soluble proteins and other molecules. In B. fragilis, these vesicles are known to have haemagglutination and sialidosis activities, and also contain a capsular polysaccharide (PSA), although their involvement in virulence is still not clear.
Palabras clave en portugues
Bacteroides fragilisproteômica
α-enolase
vesículas da membrana extracelular
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