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Chitinolyticbacter albus sp. Nov., A Novel Chitin-Degrading Bacterium Isolated from Ancient Wood Rhizosphere Soil

文献类型: 外文期刊

作者: Zhang, Meng-Yu 1 ; Zhao, Jiang-Yuan 1 ; Li, Le-Le 2 ; Ling, Cheng 1 ; Tang, Jing 1 ; Liang, Song-Guo 1 ; Li, Jian-Yu 1 ; Liu, Xiao-Di 1 ; Feng, Lu-Yao 1 ; Yang, Pei-Wen 3 ; Shi, Zhu-Feng 3 ; Ding, Zhang-Gui 1 ; Li, Ming-Gang 1 ; Kong, Chui-Si 3 ; Tang, Shu-Kun 1 ;

作者机构: 1.Yunnan Univ, Yunnan Inst Microbiol, Sch Life Sci, Key Lab Microbial Resources,Minist Educ, Kunming 650091, Peoples R China

2.Qujing Vocat & Tech Coll, Dept Med, Qujing 655000, Peoples R China

3.Yunnan Acad Agr Sci, Inst Agr Environm Resources, Kunming 650205, Peoples R China

4.Yunnan Key Lab Fermented Vegetables, Honghe 661100, Peoples R China

期刊名称:CURRENT MICROBIOLOGY ( 影响因子:2.6; 五年影响因子:2.6 )

ISSN: 0343-8651

年卷期: 2023 年 80 卷 7 期

页码:

收录情况: SCI

摘要: In this study, a novel aerobic mesophilic bacterial strain with capable of degrading chitin, designated YIM B06366(T), was isolated and classified. The rod-shaped, Gram-stain-negative, on-spore-forming bacterium originated from rhizosphere soil sample collected in Kunming City, Yunnan Province, southwest PR China. Strain YIM B06366(T) exhibited growth at temperatures between 20 and 35 degrees C (optimum, 30 degrees C) and at pH 6.0-8.0 (optimum, pH 6.0). The analysis of 16S rRNA gene sequence similarity revealed that strain YIM B06366(T) was most closely related to type strain Chitinolyticbacter meiyuanensis SYBC-H1(T) (98.9%). Phylogenetic analysis based on genome data indicated that strain YIM B06366(T) should be assigned to the genus Chitinolyticbacter. The Average Nucleotide Identity (ANI) and digital DNA-DNA Hybridization (dDDH) values between strain YIM B06366(T) and the reference strain Chitinolyticbacter meiyuanensis SYBC-H1(T) were 84.4% and 27.7%, respectively. The major fatty acids included Summed Feature 3 (C-16:1 omega 6c/C-16:1 omega 7c), Summed Feature 8 (C-18:1 omega 6c/C-18:1 omega 7c), and C-16:0. The polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, aminophospholipids, and two unidentified phospholipids. The predominant menaquinone was Q-8, and the genomic DNA G + C content was 64.1%. Considering the polyphasic taxonomic evidence, strain YIM B06366(T) is proposed as a novel species within the genus Chitinolyticbacter, named Chitinolyticbacter albus sp. nov. (type strain YIM B06366(T) = KCTC 92434(T) = CCTCC AB 2022163(T)).

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