Psychromonas ingrahamii sp. nov., a novel gas vacuolate, psychrophilic bacterium isolated from Arctic polar sea ice
Psychrophile
DOI:
10.1099/ijs.0.64068-0
Publication Date:
2006-04-20T18:36:00Z
AUTHORS (5)
ABSTRACT
A gas vacuolate bacterium, designated strain 37 T , was isolated from a sea ice core collected Point Barrow, Alaska, USA. Cells of were large (6–14 μm in length), rod-shaped, contained vacuoles two distinct morphologies, and grew well at NaCl concentrations 1–10 % temperatures −12 to 10 °C. The DNA G+C content 40 mol%. Whole-cell fatty acid analysis showed that 16 : 1 ω 7 c comprised 67 the total content. Phylogenetic 16S rRNA gene sequences indicated this bacterium closely related members genus Psychromonas with highest sequence similarity (96.8 %) antarctica . Phenotypic differentiated P. on basis several characteristics, including cell morphology, growth temperature range ability hydrolyse polymers. DNA–DNA hybridization experiments revealed level relatedness between providing further support it represents species. name ingrahamii sp. nov. is proposed for novel type (=CCUG 51855 =CIP 108865 ).
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