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- Title
Chitinolyticbacter albus sp. Nov., A Novel Chitin-Degrading Bacterium Isolated from Ancient Wood Rhizosphere Soil.
- Authors
Zhang, Meng-Yu; Zhao, Jiang-Yuan; Li, Le-Le; Ling, Cheng; Tang, Jing; Liang, Song-Guo; Li, Jian-Yu; Liu, Xiao-Di; Feng, Lu-Yao; Yang, Pei-Wen; Shi, Zhu-Feng; Ding, Zhang-Gui; Li, Ming-Gang; Kong, Chui-Si; Tang, Shu-Kun
- Abstract
In this study, a novel aerobic mesophilic bacterial strain with capable of degrading chitin, designated YIM B06366T, 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 B06366T exhibited growth at temperatures between 20 and 35 °C (optimum, 30 °C) and at pH 6.0–8.0 (optimum, pH 6.0). The analysis of 16S rRNA gene sequence similarity revealed that strain YIM B06366T was most closely related to type strain Chitinolyticbacter meiyuanensis SYBC-H1T (98.9%). Phylogenetic analysis based on genome data indicated that strain YIM B06366T should be assigned to the genus Chitinolyticbacter. The Average Nucleotide Identity (ANI) and digital DNA-DNA Hybridization (dDDH) values between strain YIM B06366T and the reference strain Chitinolyticbacter meiyuanensis SYBC-H1T were 84.4% and 27.7%, respectively. The major fatty acids included Summed Feature 3 (C16:1ω6c/C16:1ω7c), Summed Feature 8 (C18:1ω6c/C18:1ω7c), and C16:0. 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 B06366T is proposed as a novel species within the genus Chitinolyticbacter, named Chitinolyticbacter albus sp. nov. (type strain YIM B06366T = KCTC 92434T = CCTCC AB 2022163T).
- Publication
Current Microbiology, 2023, Vol 80, Issue 7, p1
- ISSN
0343-8651
- Publication type
Article
- DOI
10.1007/s00284-023-03333-w