Abstract:
:A novel Gram-negative, vibrio-shaped, motile bacterium, designated strain AK4(T), was isolated from a sediment sample collected from a solar saltern at Kakinada, Andhra Pradesh, India. Strain AK4(T) was positive for oxidase, urease and DNase activities but negative for gelatinase, catalase, ornithine decarboxylase, lysine decarboxylase, nitrate reduction, aesculin, indole and lipase activities. The fatty acids were dominated by unsaturated components, with a high abundance of summed feature 8 (C(18:1)ω7c and/or C(18:1)ω6c) and C(17:1)ω6c. Strain AK4(T) contained Q-10 as the major respiratory quinone and phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylcholine as major polar lipids. The DNA G+C content of strain AK4(T) was 71.0 mol%. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain AK4(T) was most closely related to the type strain of Caenispirillum bisanense of the family Rhodospirillaceae (phylum 'Proteobacteria') (96.6% sequence similarity). It shared <93.2% 16S rRNA gene sequence similarity with other members of the family. Based on phenotypic characteristics and phylogenetic inference, strain AK4(T) is considered to represent a novel species of the genus Caenispirillum, for which the name Caenispirillum salinarum sp. nov. is proposed; the type strain is AK4(T) (=MTCC 10963(T)=JCM 17360(T)).
journal_name
Int J Syst Evol Microbiolauthors
Ritika C,Suresh K,Anil Kumar Pdoi
10.1099/ijs.0.035287-0subject
Has Abstractpub_date
2012-07-01 00:00:00pages
1698-1702issue
Pt 7eissn
1466-5026issn
1466-5034journal_volume
62pub_type
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