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handle: 10553/8175 , 10261/94447
El filo de los Bacteroidetes es uno de los grupos más abundantes de bacterias en los océanos. Representan una fracción significativa del bacterioplancton marino, especialmente en las zonas costeras, aunque están globalmente distribuidos. En general los Bacteroidetes son muy eficientes en la degradación de la materia orgánica particulada, y prefirien sustancias poliméricas en vez de sustancias disueltas. Contrariamente a la mayoría de grupos de bacterias marinas, muchos representantes poseen motilidad por reptación y tienden a ser más abundantes adheridos a partículas que en vida libre en la columna de agua. Por lo tanto, probablemente presenten una estrategia diferente a la de las proteobacterias o cianobacterias y, en consecuencia, ocupen nichos diferentes. En conjunto, los Bacteroidetes juegan un papel único e importante en el ciclo del carbono marino. En esta tesis se han utilizado diversos enfoques para comprender la ecología de algunos miembros de este grupo de bacterias...
The Bacteroidetes phylum is one of the most abundant groups of bacteria in the oceans. Its members account for a significant fraction of marine bacterioplankton especially in coastal areas, although they are globally distributed. Bacteroidetes are successful in the degradation of particulate organic matter; they are claimed to prefer polymeric substances rather than small molecules. Contrary to most other groups of marine of bacteria, many representatives possess gliding motility and they tend to be more abundant attached to particles than free-living in the water column. Thus, they likely present a different strategy to that of Proteobacteria or Cyanobacteria and, therefore, they will fill different niches. Altogether, the Bacteroidetes are thought to have a unique and important role in the marine carbon cycle. The present dissertation uses a variety of approaches to understand the ecology of some members of this group of bacteria...
Programa de doctorado: Oceanografía (bienio 2006-2008)
Contiene breve resumen en español
Bacterioplankton, 251001 Oceanografía biológica, Islas genómicas, Proteorodopsina, Carbono orgánico
Bacterioplankton, 251001 Oceanografía biológica, Islas genómicas, Proteorodopsina, Carbono orgánico
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