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Oceanobacillus alkalisoli sp. nov., an alkaliphilic bacterium isolated from saline- alkaline soil

文献类型： 外文期刊

作者： Jin, Pin-Jiao 1 ; Sun, Lei 1 ; Rao, Manik Prabhu Narsing 2 ; Jiao, Jian-Yu 2 ; Sun, Xiu-Jun 1 ; Li, Wen-Jun 2 ; Wang, Shuang 1 ;

作者机构： 1.Heilongjiang Acad Agr Sci, Heilongjiang Acad Black Soil Conservat & Utilizat, Heilongjiang Fertilizer Engn Res Ctr, Key Lab Soil Environm & Plant Nutr Heilongjiang Pr, Harbin 150086, Peoples R China

2.Sun Yat Sen Univ, State Key Lab Biocontrol, Guangzhou 510275, Peoples R China

3.Sun Yat Sen Univ, Sch Life Sci, Guangdong Key Lab Plant Resources, Guangzhou 510275, Peoples R China

4.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China

关键词： Oceanobacillus alkalisoli sp; nov; saline-alkaline soil; polyphasic taxonomy

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.689； 五年影响因子：2.925 ）

ISSN： 1466-5026

年卷期： 2022 年 72 卷 8 期

页码：

收录情况： SCI

摘要： Two alkaliphilic strains, designated APA_J- 2 (6- 2)T and APA_J- 5 (13- 2), were isolated from saline- alkali soil sampled in Jilin Province, PR China. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the two strains APA_J- 2 (6- 2)T and APA_J- 5(13-2) were closely related to members of the genus Oceanobacillus, and had the highest sequence similarity to Oceanobacillus indicireducens JCM 17251T (96.8 and 96.9 %, respectively). The 16S rRNA gene sequence similarity between the two novel isolates was 99.6 %, indicating that they were similar species. Cells were Gram- stain- positive, aerobic, motile and rod- shaped. The strains grew at 15-45 degrees C (optimum, 37 degrees C), pH 8.0-11.0. (optimum, pH 9) and with 0-10 % (w/v) NaCl (optimum, 5 %). The strains contained menaquinone- 7 as the respiratory quinone and anteiso- C15: 0 as the predominant cellular fatty acid. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylinositol. The genomic DNA G+C content was 40.0 mol%. The average nucleotide identity (ANI), amino acid identity (AAI) and digital DNA-DNA hybridization (dDDH) values of strain APA_J- 2 (6- 2)T with O. indicireducens JCM 17251T were 85.5, 87.9 and 30.7 %, respectively. The ANI, AAI and dDDH values of strain APA_J- 5 (13- 2) with O. indicireducens JCM 17251T were 85.7, 87.7 and 30.8 %, respectively. Based on the phylogenetic, phenotypic, biochemical, chemotaxonomic and genome data, strains APA_J- 2 (6- 2)T and APA_J- 5 (13- 2) represent a novel species of the genus Oceanobacillus, for which the name Oceanobacillus alkalisoli sp. nov. is proposed. The type strain is APA_J- 2 (6- 2)T (=KCTC 43253T=GDMCC 1.2242T).

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