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f Mucilaginibacter pedocola sp. nov., isolated from a heavy-metal-contaminated paddy field

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  • Authors: Jingwei Tang1​ ,  Jing Huang1​ ,  Zixu Qiao1​ ,  Rui Wang1​,2​,† , Gejiao Wang1​,†
    • VIEW AFFILIATIONS
    • 1​ 1​State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China 2​ 2​Tobacco Company of Enshi, Hubei Province, Enshi, 445000 Hubei, PR China
  • Correspondence Gejiao Wang [email protected]
  • First Published Online: 01 October 2016, International Journal of Systematic and Evolutionary Microbiology 66: 4033-4038, doi: 10.1099/ijsem.0.001306
  • Subject: New taxa - Bacteroidetes
  • Received:
  • Accepted:
  • Cover date:
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  • Strain TBZ30 was isolated from soil of a heavy-metal-contaminated paddy field. Cells of strain TBZ30 were Gram-staining-negative, rod-shaped, non-motile and non-spore-forming. The isolate was strictly aerobic, pink-pigmented, catalase- and oxidase-positive and produced exopolysaccharides. On the basis of 16S rRNA gene phylogeny, strain TBZ30 belonged to the genus Mucilaginibacter and appeared most closely related to Mucilaginibacter gynuensis YC7003 (95.8 %), Mucilaginibacter litoreus BR-18 (95.4 %) and Mucilaginibacter mallensis MP1X4 (95.4 %). Strain TBZ30 contained menaquinone-7 as the only ubiquinone. The main cellular fatty acids included summed feature 3 (C16 : 1 ω7c and/or iso-C15 : 0 2-OH), iso-C15 : 0, C16 : 0, iso-C17 : 0 3-OH and C16 : 1 ω5c. The polar lipids were phosphatidylethanolamine, an unidentified phospholipid, two unidentified aminophospholipids, four unidentified aminolipids, three unidentified lipids and two unidentified glycolipids. The genomic DNA G+C content was 49.0 mol%. On the basis of polyphasic taxonomy analyses, strain TBZ30 represents a novel species of the genus Mucilaginibacter , for which the name Mucilaginibacter pedocola sp. nov. is proposed. The type strain is TBZ30 (=KCTC 42833=CCTCC AB 2015301).

  • †

    These authors contributed equally to this work.

  • The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain TBZ30 is KU593480.

  • Three supplementary figures are available with the online Supplementary Material.

© 2016 IUMS | Published by the Microbiology Society

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