Polaromonas vacuolata gen nov, sp nov, a psychrophilic, marine, gas vacuolate bacterium from Antarctica

被引:105
作者
Irgens, RL [1 ]
Gosink, JJ [1 ]
Staley, JT [1 ]
机构
[1] UNIV WASHINGTON,DEPT MICROBIOL 357242,SEATTLE,WA 98195
来源
INTERNATIONAL JOURNAL OF SYSTEMATIC BACTERIOLOGY | 1996年 / 46卷 / 03期
关键词
D O I
10.1099/00207713-46-3-822
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Several strains of a novel heterotrophic gas vacuolate bacterium were isolated from antarctic marine waters. The results of phylogenetic analyses in which 16S ribosomal DNA sequencing was used, coupled with phenotypic tests, indicated that strain 34-P-T (T = type strain) belongs to a new genus and species of the beta subgroup of the Proteobacteria, for which the name Polaromonas vacuolata is proposed. Although the other four strains studied probably belong to this new species, DNA-DNA hybridization tests were not conducted. The closest phylogenetic relatives of P. vacuolata are the photosynthetic nonsulfur purple bacterium Rhodoferax fermentans and the hydrogen autotroph Variovorax paradoxus.
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页码:822 / 826
页数:5
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