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Int J Syst Bacteriol. 1998 Jul;48 Pt 3:1037-41.

Pseudoalteromonas prydzensis sp. nov., a psychrotrophic, halotolerant bacterium form Antarctic sea ice.

Author information

1
Antarctic CRC, University of Tasmania, Hobart, Australia. john.bowman@utas.edu.au

Abstract

Species of the genus Pseudoalteromonas are frequently isolated from marine ecosystems and appear to be particularly abundant in Antarctic coastal waters. Most Pseudoalteromonas strains isolated form sea ice and underlying seawater samples are phenotypically similar to the species Pseudoalteromonas antarctica and Pseudoalteromonas nigrifaciens. However, a minority of isolates were recognized by phenotypic, DNA-DNA hybridization and 16S rRNA-based phylogenetic studies to represent a distinct genospecies clustering at the periphery of the non-pigmented, Pseudoalteromonas species clade. These strains are non-pigmented, halotolerant psychrotrophs that are capable of hydrolysing starch and chitin, and possess a DNA G+C content of 38-39 mol%. It is proposed that this group represents a novel species, Pseudoalteromonas prydzensis sp. nov., for which the type strain is ACAM 620(T).

PMID:
9734061
DOI:
10.1099/00207713-48-3-1037
[Indexed for MEDLINE]

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