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|Type:||Artigo de periódico|
|Title:||Marinobacterium coralli sp. nov., isolated from mucus of coral (Mussismilia hispida)|
De Vos, P
|Abstract:||A Gram-negative, aerobic bacterium, designated R-40509(T), was isolated from mucus of the reef builder coral (Mussismilia hispida) located in the Sao Sebastiao Channel, Sao Paulo, Brazil. The strain was oxidase-positive and catalase-negative, and required Na(+) for growth. Its phylogenetic position was in the genus Marinobacterium and the closest related species were Marinobacterium sediminicola, Marinobacterium maritimum and Marinobacterium stanieri; the isolate exhibited 16S rRNA gene sequence similarities of 97.5-98.0% with the type strains of these species. 16S rRNA gene sequence similarities with other type strains of the genus Marinobacterium were below 96%. DNA-DNA hybridizations between strain R-40509T and the type strains of the phylogenetically closest species of the genus Marinobacterium revealed less than 70% DNA-DNA relatedness, supporting the novel species status of the strain. Phenotypic characterization revealed that the strain was able to grow at 15-42 degrees C and in medium containing up to 9% NaCl. The isolate could be differentiated from phenotypically related species by several features, including its ability to utilize c-alanine, L-alanine, bromosuccinic acid, beta-hydroxybutyric acid and a-ketovaleric acid, but not acetate or L-arabinose. It produced acetoin (Voges-Proskauer), but did not have esterase lipase (08) or catalase activities. It possessed C(18:1)omega 7(C) (35%), summed feature 3 (iso-C(15:0) 2-OH and/or C16:1 omega 7(C); 25%) and C(16:0) (22%) as major cellular fatty acids. The DNA G+C content was 58.5 mol%. The name Marinobacterium coralli sp. nov. is proposed to accommodate this novel isolate; the type strain is R-40509(T) (=LMG 25435(T) =CAIM 1449(T)).|
|Editor:||Soc General Microbiology|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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