Abstract
A novel actinobacterium strain, designated HUAS 2-6 T, was isolated from the rhizosphere soil of Camellia oleifera Abel collected from Taoyuan County, Northwestern Hunan Province, South China. This strain was subjected to a polyphasic taxonomic study. Strain HUAS 2-6 T is characterized by morphology typical of members of the genus Streptomyces, with deep purplish vinaceous aerial mycelia and deep dull lavender substrate mycelia. Strain HUAS 2-6 T, based on the full-length 16S rRNA gene sequence analysis, exhibited the highest similarities to S. puniciscabiei S77T (99.31%), S. filipinensis NBRC 12860 T (99.10%), S. yaanensis CGMCC 4.7035 T (99.09%), S. fodineus TW1S1T (99.08%), S. broussonetiae CICC 24819 T (98.76%), S. achromogenes JCM 4121 T (98.69%), S. barringtoniae JA03T (98.69%), and less than 98.70% with other validly species. In phylogenomic tree, strain HUAS 2-6 T was clustered together with S. broussonetiae CICC 24819 T, suggesting that they were closely related to each other. However, average nucleotide identity (ANI) and digital DNA–DNA hybridisation (dDDH) between them were much less than the species cutoff values (ANI 96.7% and dDDH 70%). Moreover, in phenotypic and chemotaxonomic characteristics, strain HUAS 2-6 T is distinct from S. broussonetiae CICC 24819 T. On the basis of the polyphasic data, strain HUAS 2-6 T is proposed to represent a novel species, Streptomyces camelliae sp. nov. (= MCCC 1K04729T = JCM 35918 T).
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Data availability
The NCBI accession numbers for the full-length 16S rRNA gene sequence and genome sequence of strain HUAS 2-6T are OQ363169 and CP115300, respectively.
Code availability
Not applicable.
Abbreviations
- ISP:
-
International Streptomyces Project
- MCCC:
-
Marine Culture Collection of China
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Acknowledgements
We would like to thank Wan Shuang, Xu Wangjie, Zhu Zhisheng, Liu Xiupian and Gu Li for providing help.
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This work was supported by a grant from Scientific Research Fund of Hunan Provincial Education Department (grant number 22A0487 and 23B0659), the Hunan Natural Science Foundation (grant number 2022JJ50249 and 2024JJ7300), the Innovation and Entrepreneurship Training Program for College Students, and the Central Guidance on Local Science and Technology Development Fund of Hunan Province (grant number 2023ZYQ077).
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Conceptualization and methodology: PM, AH D; Software and analysis: YX Z, YP, YZ, XX X, CX L, PM; Validation: PM, AH D; Investigation: YX Z, XX X, CX L, YP, YZ, TT, JL, YR M; Writing-original draft preparation: YX Z, XX X, YP; Supervision: AH D; Project administration: PM, AH D; Funding acquisition: AH D; YX Z, XX X, CX L, YP, YZ, PM, TT, JL, YR M, AH D have read and agreed to the published version of the manuscript.
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Yaxi, Z., Aihua, D., Xiaoxiao, X. et al. Streptomyces camelliae sp. nov., isolated from rhizosphere soil of Camellia oleifera Abel. Arch Microbiol 206, 256 (2024). https://doi.org/10.1007/s00203-024-03987-5
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DOI: https://doi.org/10.1007/s00203-024-03987-5