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Bacillus daqingensis sp. nov., a Halophilic, Alkaliphilic Bacterium Isolated from Saline-Sodic Soil in Daqing, China
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Research Support, Non-U.S. Gov't
Bacillus daqingensis sp. nov., a Halophilic, Alkaliphilic Bacterium Isolated from Saline-Sodic Soil in Daqing, China
Shuang Wang 1,2, Lei Sun 2, Dan Wei 2, Baoku Zhou 2, Junzheng Zhang 3, Xuejia Gu 2, Lei Zhang 2, Ying Liu 2, Yidan Li 2, Wei Guo 4, Shuang Jiang 5, Yaqing Pan 6, Yufeng Wang 2
Journal of Microbiology 2014;52(7):548-553
DOI: https://doi.org/10.1007/s12275-014-3376-x
Published online: May 30, 2014
1Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, Harbin 150086, P. R. China, 2Institute of Soil Fertilizer and Environment Resources, Heilongjiang Academy of Agricultural Sciences/Key Lab of Soil Environment and Plant Nutrition of Heilongjiang Province/Heilongjiang Fertilizer Engineering Research Center/Scientific Observing and Experimental Station of Heilongjiang Farmland Conservation and Agricultural environment, Ministry of Agriculture, Harbin 150086, P. R. China, 3School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China, 4Institute of rural energy, Heilongjiancccg Academy of Agricultural Sciences, Harbin 150086, P. R. China, 5Editorial Department of Journal of Northeast Agricultural University, Harbin 150030, P. R. China, 6Pesticides Center, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, P. R. China1Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, Harbin 150086, P. R. China, 2Institute of Soil Fertilizer and Environment Resources, Heilongjiang Academy of Agricultural Sciences/Key Lab of Soil Environment and Plant Nutrition of Heilongjiang Province/Heilongjiang Fertilizer Engineering Research Center/Scientific Observing and Experimental Station of Heilongjiang Farmland Conservation and Agricultural environment, Ministry of Agriculture, Harbin 150086, P. R. China, 3School of Food Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China, 4Institute of rural energy, Heilongjiancccg Academy of Agricultural Sciences, Harbin 150086, P. R. China, 5Editorial Department of Journal of Northeast Agricultural University, Harbin 150030, P. R. China, 6Pesticides Center, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, P. R. China
Corresponding author:  Yufeng Wang , Tel: ., 
Received: 15 July 2013   • Revised: 13 February 2014   • Accepted: 14 February 2014
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Abstract

An alkaliphilic, moderately halophilic, bacterium, designated strain X10-1T, was isolated from saline-alkaline soil in Daqing, Heilongjiang Province, China. Strain X10-1T was determined to be a Gram-positive aerobe with rod-shaped cells. The isolate was catalase-positive, oxidase-negative, non-motile, and capable of growth at salinities of 0–16% (w/v) NaCl (optimum, 3%). The pH range for growth was 7.5–11.0 (optimum, pH 10.0). The genomic DNA G+C content was 47.7 mol%. Its major isoprenoid quinone was MK-7 and its cellular fatty acid profile mainly consisted of anteiso-C15:0, anteiso-C17:0, iso-C15:0, C16:0, and iso-C16:0. The peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. The predominant polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, and phosphatidylglycerol. Phylogenetic analysis based on 16S rRNA gene sequences showed that X10-1T is a member of the genus Bacillus, being most closely related to B. saliphilus DSM15402T (97.8% similarity) and B. agaradhaerens DSM 8721T (96.2%). DNA-DNA relatedness to the type strains of these species was less than 40%. On the basis of the phylogenetic, physiological, and biochemical data, strain X10-1T represents a novel species of the genus Bacillus, for which the name Bacillus daqingensis sp. nov. is proposed. The type strain is X10-1T (=NBRC 109404T =CGMCC 1.12295T).

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    Bacillus daqingensis sp. nov., a Halophilic, Alkaliphilic Bacterium Isolated from Saline-Sodic Soil in Daqing, China
    J. Microbiol. 2014;52(7):548-553.   Published online May 30, 2014
    DOI: https://doi.org/10.1007/s12275-014-3376-x
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