Methylobacterium planium sp. nov., isolated from a lichen sample,Archives of Microbiology

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Methylobacterium planium sp. nov., isolated from a lichen sample
Archives of Microbiology ( IF 2.8 ) Pub Date : 2020-04-18 , DOI: 10.1007/s00203-020-01881-4
Longqian Jiang ₁ , Defeng An ₁ , Xinyu Wang ₁ , Kun Zhang ₁ , Guiding Li _{1,

2} , Lei Lang ₁ , Lisong Wang ₃ , Chenglin Jiang ₁ , Yi Jiang ₁

Affiliation

A novel bacterial strain, designated YIM 132548 T, was isolated from Lepraria sp. lichen collected from Yunnan province, south-west PR China. The organism was Gram-stain negative, aerobic and methylotrophic. The cell was catalase positive and oxidase negative, asporogenous, rod-shaped and motile with three polar flagella. The strain could grow at 15–30 °C (optimum, 20 °C), at pH 6.0–9.0 (optimum, pH 7.0) and does not grow in the presence of NaCl. According to the 16S rRNA gene sequence analysis, strain YIM 132548 T showed high levels of 16S rRNA gene sequence similarity with Methylobacterium soli YIM 48816 T (97.6%) and Methylobacterium durans NBRC 112876 T (97.3%), less than 97.0% with other validly named type strains of the genus Methylobacterium. Ubiquinone Q-10 was the predominant respiratory ubiquinone. The predominant cellular fatty acid was identified as summed feature 8 (C18:1ω7c). The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol and phosphatidylcholine. The DNA G + C content of the draft genome sequence is 70.2 mol%. The average nucleotide identity and digital DNA–DNA hybridizations values of strain YIM 132548 T with M. soli YIM 48816 T and M. durans NBRC 112876 T were 87.0% and 82.0%, 40.6% and 27.2% based on draft genome sequences, respectively. On the basis of phylogenetic, chemotaxonomic, phenotypic and genomic data, strain YIM 132548 T is concluded to represent a novel species of the genus Methylobacterium, for which the name Methylobacterium planium sp. nov. is proposed. The type strain is YIM 132548 T (= CGMCC 1.17323 T = NBRC 114056 T).

更新日期：2020-04-18

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