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Bacillus ligniniphilus sp. nov., an alkaliphilic and halotolerant bacterium isolated from sediments of South China Sea.
MedLine Citation:
PMID:  24554634     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
An alkaliphilic and halotolerant Gram-positive bacterium, which was isolated from sediment samples of South China Sea, was subjected to a taxonomic study. The isolate, strain L1T, grew well at a wide temperature and pH ranges, 10.0-45.0 °C and 6-11, with an optimum at 30 °C and pH 9.0, respectively. The growth of strain L1T was occurred at total salt concentrations between 0-10% (w/v) with optimum at 2% (w/v). Phylogenetic analysis based on the 16S rRNA sequence comparison indicated that the isolate belongs to the genus Bacillus. The species most closely related to strain L1T were Bacillus nanhaiisediminis JCM 16507T, Bacillus halodurans DSM497T and Bacillus pseudofirmus DSM8715T, with 16S rRNA similarities of 96.5%, 95.9%, and 95.7%, respectively. DNA-DNA hybridization of the type strain L1T with the most related species B. nanhaiisediminis JCM 16507T, B. halodurans DSM497T, and B. pseudofirmus DSM8715Tshowed the reassociation value of about 21.7%, 14.3%, 13.9% respectively. The G+C contents of strain L1 T were 40.76 mol%. The predominant isoprenoid quinone was menaquinone 7 (MK-7). The cell wall peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. The predominant cellular fatty acids of strain L1 T were iso-C14:0 (13.6%) and anteiso-C15:0(32.7%). The major polar lipids were diphosphatidyl glycerol, phosphatidyl ethanolamine, and phosphatidyl glycerol. Based on the phenotypic and phylogenetic characteristics, it is proposed that the strain L1T can be classified as Bacillus ligniniphilus sp. nov., with the type strain L1T (=DSM26145T = JCM18543T).
Authors:
Daochen Zhu; Shoko Hosoi-Tanabe; Changxiao Xie; Daiske Honda; Jianzhong Sun; Lianzhong Ai
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-2-19
Journal Detail:
Title:  International journal of systematic and evolutionary microbiology     Volume:  -     ISSN:  1466-5034     ISO Abbreviation:  Int. J. Syst. Evol. Microbiol.     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-2-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100899600     Medline TA:  Int J Syst Evol Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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