Oceanicella actignis gen. nov., sp nov., a halophilic slightly thermophilic member of the Alphaproteobacteria

被引：8
作者：
Albuquerque, Luciana [1 ]
Rainey, Fred A. [2 ]
Fernanda Nobre, M. [3 ]
da Costa, Milton S. [3 ,4 ]
机构：
[1] Univ Coimbra, Ctr Neurosci & Cell Biol, P-3004517 Coimbra, Portugal
[2] Univ Alaska Anchorage, Dept Biol Sci, Anchorage, AK 99508 USA
[3] Univ Coimbra, Dept Life Sci, P-3001401 Coimbra, Portugal
[4] BIOCANT Biotechnol Pk, Microbiol Unit, P-3060197 Cantanhede, Portugal
来源：
SYSTEMATIC AND APPLIED MICROBIOLOGY | 2012年 / 35卷 / 06期
关键词：
New taxa; Alphaproteobacteria; Oceanicella actignis; HOT-SPRINGS; BACTERIUM; IDENTIFICATION; REPRESENTS; PROPOSAL; STRAINS;
D O I：
10.1016/j.syapm.2012.07.001
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Two isolates, designated PRQ-67(T) and PRQ-68, with an optimum growth temperature of about 50 degrees C, growth range in medium containing between 1 and 9% NaCl and an optimum pH for growth between 7.5 and 8.0, were recovered from a shallow marine hot spring on a beach, Praia do Fogo, at Ribeira Quente, on the Island of Sao Miguel in the Azores. Comparisons of 16S rRNA gene sequences show these strains to be most closely related (93.1-94.7% similarity) to species of the genus Amaricoccus, within the family Rhodobacteraceae. Strains are non-pigmented and form non-motile pleomorphic cells that stain Gram-negative, are aerobic, oxidase and catalase positive. The major fatty acids are C-18:1 omega 7c and C-18:1 omega 7c 11-methyl. Ubiquinone 10 is the major respiratory quinone. Major polar lipids are phosphatidylcholine, phosphatidylglycerol and one aminolipid. Based on 16S rRNA gene sequence analysis, physiological and biochemical characteristics we describe a new species of a novel genus represented by strain PRQ-67(T) (=DSM 22673(T) = LMG 25334(T)) for which we propose the name Oceanicella actignis. (c) 2012 Elsevier GmbH. All rights reserved.
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页码：385 / 389
页数：5
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