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Sabulicella rubraurantiaca gen. nov., sp. nov., a new member of the family Acetobacteraceae, isolated from desert soil

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Abstract

Strain SYSU D01096T was isolated from a sandy soil sample collected from Gurbantunggut Desert in Xinjiang, PR China. Phylogenetic analysis of the nearly full-length 16S rRNA gene sequence revealed that strain SYSU D01096T belonged to the family Acetobacteraceae and was closest to Rubritepida flocculans DSM 14296T (96.0% similarity). Cells of strain SYSU D01096T were observed to be non-motile, short rod-shaped and Gram-staining negative. The colonies were observed to be translucent, reddish orange, circular, convex and smooth. Growth occurred at 15–37 °C (optimum, 28–30 °C), pH 4.0–8.0 (optimum, pH 7.0) and 0–0.5% NaCl (w/v; optimum, 0%) on Reasoner’s 2A medium. The predominant ubiquinone was identified as ubiquinone 9 and the major fatty acids were Summed Feature 8 (C18:1 ω7c and/or C18:1 ω6c) and C16:0. The polar lipids consisted of diphosphatidylglycerol (DPG), phosphatidylethanolamine (PE), phosphatidylcholine (PC), phosphatidylglycerol (PG), one unidentified phospholipid (PL), three unidentified aminolipids (AL1-3) and one unidentified aminophospholipid (APL). The genomic DNA G + C content was 69.1%. Phylogenetic tree based on 16S rRNA gene sequences indicated strain SYSU D01096T represented an individual lineage in the family Acetobacteraceae, which was supported by 30 core gene-based phylogenomic tree. Based on the multi-analysis including physiological, chemotaxonomic and phylogenetic comparison, strain SYSU D01096T was proposed to represent a novel species of a novel genus, named Sabulicella rubraurantiaca gen. nov., sp. nov., within the family Acetobacteraceae. The type strain is SYSU D01096T (= CGMCC 1.8619T = KCTC 82268T = MCCC 1K04998T).

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Acknowledgements

This research was financially supported by National Natural Science Foundation of China (Nos. 32000005 and 32061143043), Natural Science Foundation of Guangdong Province, China (Nos. 2016A030312003 and 2018A030313589), and Xinjiang Uygur Autonomous Region regional coordinated innovation project (Shanghai cooperation organization science and technology partnership program) (No. 2021E01018). WJ Li was also supported by Introduction project of high-level talents in Xinjiang Uygur Autonomous Region.

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Correspondence to Lei Dong or Wen-Jun Li.

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Communicated by Erko Stackebrandt.

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The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence and whole genome shotgun project of strain SYSU D01096T is MT527707 and JAFEUU000000000, respectively.

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Lin, ZL., Li, S., Wei, QC. et al. Sabulicella rubraurantiaca gen. nov., sp. nov., a new member of the family Acetobacteraceae, isolated from desert soil. Arch Microbiol 204, 1 (2022). https://doi.org/10.1007/s00203-021-02604-z

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  • DOI: https://doi.org/10.1007/s00203-021-02604-z

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