Psychromonas ingrahamii sp. nov., a novel gas vacuolate, psychrophilic bacterium isolated from Arctic polar sea ice

International Journal of Systematic and Evolutionary Microbiology
Ann J AumanJ T Staley

Abstract

A gas vacuolate bacterium, designated strain 37T, was isolated from a sea ice core collected from Point Barrow, Alaska, USA. Cells of strain 37T were large (6-14 microm in length), rod-shaped, contained gas vacuoles of two distinct morphologies, and grew well at NaCl concentrations of 1-10 % and at temperatures of -12 to 10 degrees C. The DNA G+C content was 40 mol%. Whole-cell fatty acid analysis showed that 16 : 1omega7c comprised 67 % of the total fatty acid content. Phylogenetic analysis of 16S rRNA gene sequences indicated that this bacterium was closely related to members of the genus Psychromonas, with highest sequence similarity (96.8 %) to Psychromonas antarctica. Phenotypic analysis differentiated strain 37T from P. antarctica on the basis of several characteristics, including cell morphology, growth temperature range and the ability to hydrolyse polymers. DNA-DNA hybridization experiments revealed a level of relatedness of 37 % between strain 37T and P. antarctica, providing further support that it represents a distinct species. The name Psychromonas ingrahamii sp. nov. is proposed for this novel species. The type strain is 37T (=CCUG 51855T=CIP 108865T).

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Citations

Sep 17, 2009·Archives of Microbiology·Lindsay J MondinoMichael T Madigan
Jun 1, 2013·Genome Announcements·F M LauroD H Bartlett
May 8, 2008·BMC Genomics·Monica RileyLinda S Thompson
Feb 10, 2011·Standards in Genomic Sciences·Matt NolanAlla Lapidus
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Nov 26, 2010·Environmental Microbiology·Christine N Shulse, Eric E Allen
Mar 3, 2010·Environmental Microbiology·R Eric CollinsJody W Deming
Jun 9, 2009·International Journal of Systematic and Evolutionary Microbiology·Shoichi HosoyaHiroaki Kasai
Aug 4, 2009·International Journal of Systematic and Evolutionary Microbiology·Ann J AumanJames T Staley
Oct 10, 2008·International Journal of Systematic and Evolutionary Microbiology·Shoichi HosoyaHiroaki Kasai
Jul 27, 2007·FEMS Microbiology Ecology·James A RaymondKate Shen
Sep 14, 2010·FEMS Microbiology Ecology·Magali ZbindenSébastien Duperron
Jan 22, 2017·International Journal of Systematic and Evolutionary Microbiology·Peter KämpferRuben Avendaño-Herrera
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May 17, 2017·Microorganisms·Annarita PoliBarbara Nicolaus
Oct 26, 2021·The Journal of Biological Chemistry·Yuan XueStephen R Quake

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