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Int J Syst Bacteriol. 1998 Oct;48 Pt 4:1205-12.

Pseudoalteromonas tunicata sp. nov., a bacterium that produces antifouling agents.

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School of Microbiology and Immunology, University of New South Wales, Sydney, Australia.


A dark-green-pigmented marine bacterium, previously designated D2, which produces components that are inhibitory to common marine fouling organisms has been characterized and assessed for taxonomic assignment. Based on direct double-stranded sequencing of the 16S rRNA gene, D2T was found to show the highest similarity (93%) to members of the genus Pseudoalteromonas. The G + C content of D2T is 42 mol%, and it is a facultatively anaerobic rod and oxidase-positive. D2T is motile by a sheathed polar flagellum, exhibited non-fermentative metabolism and required sodium ions for growth. The strain was not capable of using citrate, fructose, sucrose, sorbitol and glycerol but it utilizes mannose and maltose and hydrolyses gelatin. The molecular evidence, together with phenotypic characteristics, showed that this bacterium which produces an antifouling agent constitutes a new species of the genus Pseudoalteromonas. The name Pseudoalteromonas tunicata is proposed for this bacterium, and the type strain is D2T (= CCUG 26757T).

[Indexed for MEDLINE]

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