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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
The complete genome of Teredinibacter turnerae T7901: An intracellular endosymbiont of marine wood-boring bivalves (shipworms)
PLoS ONE, Volume 4, No. 7, Article e6085, Year 2009
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Description
Here we report the complete genome sequence of Teredinibacter turnerae T7901. T. turnerae is a marine gamma proteobacterium that occurs as an intracellular endosymbiont in the gills of wood-boring marine bivalves of the family Teredinidae (shipworms). This species is the sole cultivated member of an endosymbiotic consortium thought to provide the host with enzymes, including cellulases and nitrogenase, critical for digestion of wood and supplementation of the host's nitrogen-deficient diet. T. turnerae is closely related to the free-living marine polysaccharide degrading bacterium Saccharophagus degradans str. 2-40 and to as yet uncultivated endosymbionts with which it coexists in shipworm cells. Like S. degradans, the T. turnerae genome encodes a large number of enzymes predicted to be involved in complex polysaccharide degradation (>100). However, unlike S. degradans, which degrades a broad spectrum (>10 classes) of complex plant, fungal and algal polysaccharides, T. turnerae primarily encodes enzymes associated with deconstruction of terrestrial woody plant material. Also unlike S. degradans and many other eubacteria, T. turnerae dedicates a large proportion of its genome to genes predicted to function in secondary metabolism. Despite its intracellular niche, the T. turnerae genome lacks many features associated with obligate intracellular existence (e.g. reduced genome size, reduced %G+C, loss of genes of core metabolism) and displays evidence of adaptations common to free-living bacteria (e.g. defense against bacteriophage infection). These results suggest that T. turnerae is likely a facultative intracellular ensosymbiont whose niche presently includes, or recently included, free-living existence. As such, the T. turnerae genome provides insights into the range of genomic adaptations associated with intracellular endosymbiosis as well as enzymatic mechanisms relevant to the recycling of plant materials in marine environments and the production of cellulose-derived biofuels. © 2009 Yang et al.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC2699552/bin/pone.0006085.s001.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC2699552/bin/pone.0006085.s002.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC2699552/bin/pone.0006085.s003.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC2699552/bin/pone.0006085.s004.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC2699552/bin/pone.0006085.s005.doc
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https://efashare.b-cdn.net/share/pmc/articles/PMC2699552/bin/pone.0006085.s007.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC2699552/bin/pone.0006085.s008.tif
Authors & Co-Authors
Yang, Joyce C.
Unknown Affiliation
Madupu, Ramana
Unknown Affiliation
Durkin, A. Scott
Unknown Affiliation
Ekborg, Nathan A.
Unknown Affiliation
Pedamallu, Chandra Sekhar
Unknown Affiliation
Hostetler, Jessica B.
Unknown Affiliation
Radune, Diana
Unknown Affiliation
Toms, Bradley S.
Unknown Affiliation
Henrissat, Bernard
Unknown Affiliation
Coutinho, Pedro M.
Unknown Affiliation
Schwarz, Sandra
Unknown Affiliation
Field, Lauren
Unknown Affiliation
Trindade-Silva, Amaro E.
Unknown Affiliation
Soares, Carlos A.
Unknown Affiliation
Elshahawi, Sherif I.
Unknown Affiliation
Hanora, Amro M.S.A.
Unknown Affiliation
Schmidt, Erie W.
Unknown Affiliation
Haygood, Margo G.
Unknown Affiliation
Posfai, Janos
Unknown Affiliation
Benner, Jack
Unknown Affiliation
Madinger, Catherine
Unknown Affiliation
Nove, John
Unknown Affiliation
Anton, Brian P.
Unknown Affiliation
Chaudhary, Kshitiz
Unknown Affiliation
Foster, Jeremy M.
Unknown Affiliation
Holman, Alex
Unknown Affiliation
Kumar, Sanjay
Unknown Affiliation
Lessard, Philip A.
Unknown Affiliation
Luyten, Yvette A.
Unknown Affiliation
Slatko, Barton E.
Unknown Affiliation
Wood, Nicole
Unknown Affiliation
Wu, Bo
Unknown Affiliation
Teplitski, Max
Unknown Affiliation
Mougous, Joseph D.
Unknown Affiliation
Ward, Naomi L.
Unknown Affiliation
Eisen, Jonathan A.
Unknown Affiliation
Badger, Jonathan H.
Unknown Affiliation
Distel, Dan
Unknown Affiliation
Statistics
Citations: 108
Authors: 38
Affiliations: 15
Identifiers
Doi:
10.1371/journal.pone.0006085
e-ISSN:
19326203
Research Areas
Genetics And Genomics