Abstract
In this study, we reported a Gram-stain-negative, ovoid to rod-shaped, atrichous, and facultative anaerobe bacteria strain named YMD61T, which was isolated from the intertidal sediment of Yangma island, China. Growth of strain YMD61T occurred at 10.0–45.0 °C (optimum, 30.0 °C), pH 7.0–10.0 (optimum, 8.0) and with 0–3.0% (w/v) NaCl (optimum, 2.0%). Phylogenetic tree analysis based on 16 S rRNA gene or genomic sequence indicated that strain YMD61T belonged to the genus Fuscovulum and was closely related to Fuscovulum blasticum ATCC 33,485T (96.6% sequence similarity). Genomic analysis indicated that strain YMD61T contains a circular chromosome of 3,895,730 bp with DNA G + C content of 63.3%. The genomic functional analysis indicated that strain YMD61T is a novel sulfur-metabolizing bacteria, which is capable of fixing carbon through an autotrophic pathway by integrating the processes of photosynthesis and sulfur oxidation. The predominant respiratory quinone of YMD61T was ubiquinone-10 (Q-10). The polar lipids of YMD61T contained phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, five unidentified lipids, unidentified aminolipid and unidentified aminophospholipid. The major fatty acids of strain YMD61T contained C18:1ω7c 11-methyl and summed feature 8 (C18:1 ω 7c or/and C18:1 ω 6c). Phylogenetic, physiological, biochemical and morphological analyses suggested that strain YMD61T represents a novel species of the genus Fuscovulum, and the name Fuscovulum ytuae sp. nov. is proposed. The type strain is YMD61T (= MCCC 1K08483T = KCTC 43,537T).
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Data availability
No datasets were generated or analysed during the current study.
Code availability
The GenBank accession number of the 16S rRNA gene sequence of strain YMD61T is OP740932. The GenBank accession number of complete genome sequence of strain YMD61T is CP124535.
Abbreviations
- FAME:
-
Fatty acid methyl esters
- ANI:
-
Average nucleotide identity
- GGDC:
-
Genome-to-genome distance calculator
- DSMZ:
-
Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH
- DDH:
-
DNA–DNA hybridizations.
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Acknowledgements
This work was supported by the Natural Science Foundation of Shandong Province (ZR2020MC198), the Development Plan of Youth Innovation Team in Colleges and Universities of Shandong Province (2022KJ269) and Yantai University Doctoral Start-up Foundation (HX20B34).
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BZZ: investigation, writing original draft. XDX: isolated the bacterium. DDZ: investigation. XPL: funding acquisition, phylogenetic and genomic characterisation. XDJ: supervision and writing-reviewing and editing. JZ: conceptualization, funding acquisition, funding acquisition.
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Zhang, Bz., Xu, Xd., Zhou, Dd. et al. Description of Fuscovulum ytuae sp. nov, a facultative autotroph isolated from the intertidalite of Yangma island, China. Antonie van Leeuwenhoek 117, 52 (2024). https://doi.org/10.1007/s10482-024-01947-z
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DOI: https://doi.org/10.1007/s10482-024-01947-z