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Spongiispira norvegica gen. nov., sp. nov., a marine bacterium isolated from the boreal sponge Isops phlegraei

MPG-Autoren

Lurz,  Rudi
Max Planck Society;

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Zitation

Kaesler, I., Graeber, I., Borchert, M. S., Pape, T., Dieckmann, R., von Döhren, H., et al. (2008). Spongiispira norvegica gen. nov., sp. nov., a marine bacterium isolated from the boreal sponge Isops phlegraei. Journal of Systematic and Evolutionary Microbiology, 58, 1815-1820. doi:10.1099/ijs.0.65439-0.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-80EC-A
Zusammenfassung
The bacterial strain Gp_4_7.1T, isolated from the marine sponge Isops phlegraei collected at the Sula Ridge off the Norwegian coast, was characterized. The isolate was a motile spirillum that was monopolarly and monotrichously flagellated. It was aerobic, Gram-negative, oxidase-positive and catalase-negative. Optimal growth occurred between 20 and 30 °C, at pH 7–8 and with a salt concentration of 2–3 % (w/v). The isolate showed a relatively restricted nutritional profile. Substrate utilization tests were only positive for arabinose. Enzyme tests were positive for esterase lipase C8, lipase C14, leucine arylamidase and naphthol-AS-BI-phosphohydrolase. The strain was not able to reduce nitrate. The major cellular fatty acids were C16 : 1{omega}7 and C16 : 0. The DNA G+C content was 62.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequence comparison classified the strain as a member of the order Oceanospirillales in the class Gammaproteobacteria. Strain Gp_4_7.1T formed a distinct phyletic line with less than 94 % 16S rRNA gene sequence similarity to its closest relatives with validly published names. Based on the determined data, it is proposed that the strain represents a novel species in a new genus, Spongiispira norvegica gen. nov., sp. nov.; the type strain of Spongiispira norvegica is Gp_4_7.1T (=DSM 17749T =NCIMB 14401T).