Functional genomic analysis of an uncultured δ-proteobacterium in the sponge Cymbastela concentrica

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Journal Article
ISME Journal, 2011, 5 (3), pp. 427 - 435
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Marine sponges are ancient, sessile, filter-feeding metazoans, which represent a significant component of the benthic communities throughout the world. Sponges harbor a remarkable diversity of bacteria, however, little is known about the functional properties of such bacterial symbionts. In this study, we present the genomic and functional characterization of an uncultured δ-proteobacterium associated with the sponge Cymbastela concentrica. We show that this organism represents a novel phylogenetic clade and propose that it lives in association with a cyanobacterium. We also provide an overview of the predicted functional and ecological properties of this δ- proteobacterium, and discuss its complex interactions with surrounding cells and milieu, including traits of cell attachment, nutrient transport and protein-protein interactions. © 2011 International Society for Microbial Ecology All rights reserved.
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