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Presence of Ecophysiologically Diverse Populations within Cobetia marina Strains Isolated from Marine Invertebrate, Algae and the Environments

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Title: Presence of Ecophysiologically Diverse Populations within Cobetia marina Strains Isolated from Marine Invertebrate, Algae and the Environments
Authors: Ivanova, Elena P. Browse this author
Christen, Richard Browse this author
Sawabe, Tomoo Browse this author →KAKEN DB
Alexeeva, Yulia V. Browse this author
Lysenko, Anatoly M. Browse this author
Chelomin, Victor P. Browse this author
Mikhailov, Valery V. Browse this author
Keywords: Cobetia marina
ecological population
Issue Date: Dec-2005
Publisher: Japanese Society of Microbial Ecology
Journal Title: Microbes and environments
Volume: 20
Issue: 4
Start Page: 200
End Page: 207
Publisher DOI: 10.1264/jsme2.20.200
Abstract: Over the last decade, taxonomic surveys have recovered sixteen strains of Halomonas-like marine heterotrophic bacteria from different ecological habitats. The sixteen strains were isolated from three N.W. Pacific Ocean habitats: seawater, the mussel Crenomytilus grayanus and the degraded thallus of brown alga Fucus evanescens. These strains were subjected to a taxonomic investigation of their phenotypic/physiological, genetic, and phylogenetic features. Analysis indicates these bacteria belong to Cobetia marina. The study found all strains tolerated CdCl2 concentrations up to 875 mM. Taxonomically, the sixteen strains belong to the same species, nevertheless, their physiological features revealed distinguishing characteristics. For instance, strain KMM 296, recovered from the mussel Crenomytilus grayanus, was distinct from other C. marina strains by its ability to produce highly active alkaline phosphatase. The majority of C. marina strains that were isolated from degraded alga thallus appeared to have a particular metabolic specialisation by utilizing a range of easily assimilable monosaccharides. Notably, despite a high level of genetic similarity (80% of DNA relatedness), the phenotypic features of the strains isolated from degraded alga thallus differed with the type strain C. marina LMG 2217T. These differences suggest an ecologically adapted population of C. marina at a subspecies level.
Rights: 日本微生物生態学会 (Japanese Society of Microbial Ecology)
本文データは学協会の許諾に基づきCiNiiから複製したものである
(Relation)isversionof: http://ci.nii.ac.jp/naid/110002978278
Type: article
URI: http://hdl.handle.net/2115/42534
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 澤辺 智雄

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