Abstract
An aerobic, Gram-stain-negative, rod-shaped bacterium with flagellum, designated L22T, was isolated from sediment of Hulun Lake, Inner Mongolia, China. The organism was found to grow optimally at 30° C in a medium containing 0–0.75% (w/v) NaCl at pH 7.5. The major fatty acid identified was summed feature 8 (C18:1ω7c). The dominant polar lipids were phosphomonoester, phosphatidylethanolamine, phosphatidylglycerol and phosphatidylcholine. The main respiratory quinone was Q-10. The draft genome sequence of strain L22T consisted of 4354,788 bp. The G + C content of genomic DNA was 69.8 mol %. The 16S rRNA gene sequences indicated that strain L22T was affiliated with the genus Methylobrevis within the family Pleomorphomonadaceae, being most closely related to Methylobrevis pamukkalensis JCM 30229T with 95.9% 16S rRNA gene sequences similarity. The AAI, ANI and dDDH values between strain L22T and M. pamukkalensis JCM 30229T were 72.5%, 80.7% and 22.7%. Based on taxonomic results in this study, we proposed that strain L22T a novel species in the genus Methylobrevis of the family Pleomorphomonadaceae, for which the name Methylobrevis albus sp. nov. is proposed. The type strain is L22T (=KCTC 72858T=MCCC 1H00432T).
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Abbreviations
- KCTC :
-
Korean Collection for Type Cultures
- MCCC :
-
Marine Culture Collection of China
- MEGA :
-
Molecular Evolutionary Genetics Analysis
- HPLC :
-
High-performance liquid chromatography
- TLC :
-
Thin-layer chromatography
- JCM :
-
Japan Collection of Microorganisms
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Funding
This work was supported by the National Natural Science Foundation of China (Grant No. 32070002 and Grant No. 31770002) and the National Science and Technology Fundamental Resources Investigation Program of China (Grant No. 2019FY100700).
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Communicated by Erko Stackebrandt.
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The GenBank accession number for the 16S rRNA gene sequence of Methylobrevis albus L22T is MW195049 and the draft genome has been deposited in GenBank under the accession number JADZLT000000000.
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Zou, QH., Feng, X., Wang, TJ. et al. Methylobrevis albus sp. nov., isolated from freshwater lake sediment. Arch Microbiol 203, 4549–4556 (2021). https://doi.org/10.1007/s00203-021-02442-z
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DOI: https://doi.org/10.1007/s00203-021-02442-z