Bacillus lonarensis sp. nov., an alkalitolerant bacterium isolated from a soda lake

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• 作者：Sultanpuram Vishnuvardhan Reddy ; Mothe Thirumala…
• 关键词：Bacillus lonarensis ; Novel species ; Bacillus genus ; Lonar soda lake
• 刊名：Archives of Microbiology
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：197
• 期：1
• 页码：27-34
• 全文大小：299 KB
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• 作者单位：Sultanpuram Vishnuvardhan Reddy (1)
  Mothe Thirumala (1)
  Mohammed Farooq (1)
  Chintalapati Sasikala (2)
  Chintalapati Venkata Ramana (3)
  
  1. Microbial Ecology Lab, Department of Biochemistry, Mahatma Gandhi University, Anneparthy, Yellareddygudem (PO), Nalgonda, 508254, India
  2. Bacterial Discovery Laboratory, Centre for Environment, Institute of Science and Technology, J. N. T. University, Kukatpally, Hyderabad, 500085, India
  3. Department of Plant Sciences, School of Life Sciences, University of Hyderabad, P.O. Central University, Hyderabad, 500046, India
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Life Sciences
  Microbiology
  Microbial Ecology
  Biochemistry
  Cell Biology
  Biotechnology
  Ecology
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-072X

文摘

A novel Gram-stain-positive, rod-shaped, motile and endospore-forming novel bacterial strain 25nlgT was isolated from Lonar soda lake, in India. Based on the 16S rRNA gene sequence analysis, it was identified as a member of Firmicutes, being most closely related to Bacillus patagoniensis PAT 05T (96.6?%) and other members in the genus Bacillus (T was catalase and oxidase-positive. The strain grows optimally at a pH of 9.5 with 4-?% (w/v) NaCl and temperature of 35-7?°C. The cell wall of the strain 25nlgT contains meso-diaminopimelic acid as the diagnostic amino acid. Polar lipids include diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an unknown phospholipid (PL2), an aminophospholipid (APL2) and three unknown lipids (L2-). The predominant isoprenoid quinone was MK-7. iso-C15:0 (41.7?%) was the predominant fatty acid, and significant proportions of anteiso-C15:0 (20.8?%), C12:0 (5.5?%), anteiso-C17:0 (4.9?%), iso-C17:0 (4.5?%) were also detected in the strain 25nlgT. The DNA G+C content of the strain 25nlgT was 40.5?mol%. The results of molecular, physiological and biochemical tests allowed a clear phenotypic differentiation of strain 25nlgT from all other members of the genus Bacillus. Strain 25nlgT represents a novel member of the genus Bacillus, for which the name Bacillus lonarensis sp. nov. is proposed. The type strain is 25nlgT (=KCTC 33413T?=?LMG 27974T?=?CGMCC?=?1.12817T).