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Taxonomy Citation ID Reference
15903 Ekborg  NA, Gonzalez  JM, Howard  MB, Taylor  LE, Hutcheson  SW, Weiner  RM,     ( 2005 )

Saccharophagus degradans gen. nov., sp. nov., a versatile marine degrader of complex polysaccharides.

International journal of systematic and evolutionary microbiology 55 (Pt 4)
PMID : 16014479 DOI  :   10.1099/ijs.0.63627-0    
Abstract >>
Gammaproteobacteria belonging and related to the genus Microbulbifer are an emerging group of complex carbohydrate-degrading marine bacteria. Previously, all of the representatives were placed within Microbulbifer or were unclassified. Recently, a new genus, Teredinibacter, represented by a single species, Teredinibacter turnerae, was formed to include an endosymbiotic branch of these organisms. In this study, based on 16S rRNA gene sequence similarity and phenotypic analyses, a new genus, Saccharophagus, is proposed to accommodate the most versatile marine carbohydrate degrader yet identified, Saccharophagus degradans gen. nov., sp. nov. 2-40(T) (=ATCC 43961(T)=DSM 17024(T)). S. degradans strain 2-40(T) can degrade 10 tested complex polysaccharides: agar, alginate, chitin, cellulose, fucoidan, laminarin, pectin, pullulan, starch and xylan. S. degradans 2-40(T) shares 90.5% 16S rRNA gene sequence similarity with the type strain of the Microbulbifer type species, Microbulbifer hydrolyticus IRE-31(T), and 91.5% with T. turnerae T7902(T), and can be further distinguished from members of these two genera by 16S rRNA gene cluster analysis, the ability to utilize 10 different complex polysaccharides as sole carbon sources, a significantly lower G+C content and differences in fatty acid content. The three genera of complex polysaccharide-degrading, marine bacteria now encompass 20 strains from diverse marine niches.
KeywordMeSH Terms
9663 González  JM,     ( 2000 )

Phylogenetic characterization of marine bacterium strain 2-40, a degrader of complex polysaccharides.

International journal of systematic and evolutionary microbiology 50 Pt 2 (N/A)
PMID : 10758894 DOI  :   10.1099/00207713-50-2-831    
Abstract >>
The marine bacterium strain 2-40 was isolated from the salt marsh cord grass, Spartina alterniflora, in the Chesapeake Bay watershed, VA, USA. It is Gram-negative, requires sea salts and is a strict aerobe. It degrades numerous complex polysaccharides and synthesizes eumelanin. By 16S rDNA analysis, the isolate was shown to be a member of the gamma-subclass of the Proteobacteria, related to Microbulbifer hydrolyticus and to a cellulolytic nitrogen-fixing bacterium.
KeywordMeSH Terms

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