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Psychrobacter nivimaris sp nov, a heterotrophic bacterium attached to organic particles isolated from the South Atlantic (Antarctica)

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Glöckner,  F. O.
Microbial Genomics Group, Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Amann,  R.
Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Fischer,  U.
Department of Microbiology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Citation

Heuchert, A., Glöckner, F. O., Amann, R., & Fischer, U. (2004). Psychrobacter nivimaris sp nov, a heterotrophic bacterium attached to organic particles isolated from the South Atlantic (Antarctica). Systematic and Applied Microbiology, 27(4), 399-406.


Cite as: http://hdl.handle.net/21.11116/0000-0001-D11D-3
Abstract
An aggregate-attached bacterium, strain 88/2-7, was isolated from samples of the Southern Ocean and investigated in a polyphasic approach. The novel marine isolate is an aerobic, Gram-negative, oxidase- and catalase-positive, non-motile short rod and grows in form of cream-colored colonies. Growth was observed at 5-35 degrees C. The bacterium tolerated concentrations of 0-13% (w/v) NaCl and utilized a relatively restricted spectrum of carbon sources. The analysis of the fatty acids revealed 18:1 cis 9 (18:1omega9c) as main fatty acid. The G+C content of the DNA was approximately 42 mol%. The sequence of the 16S rDNA assigned strain 88/2-7 to the gamma-subclass of Proteobacteria with a similarity of 99.65% to Psychrobacter proteolyticus (DSM 13887T). A DNA-DNA-hybridization study showed only 26.8% renaturation to the respective strain. Based on the morphological, physiological and molecular properties of the new isolate, the name Psychrobacter nivimaris sp. nov. (type strain 88/2-7T) is proposed.