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      Advenella alkanexedens sp. nov., an alkane-degrading bacterium isolated from biogas slurry samples.

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          Abstract

          A novel aerobic bacterium, designated strain LAM0050T, was isolated from a biogas slurry sample, which had been enriched with diesel oil for 30 days. Cells of strain LAM0050T were gram-stain-negative, non-motile, non-spore-forming and coccoid-shaped. The optimal temperature and pH for growth were 30-35 °C and 8.5, respectively. The strain did not require NaCl for growth, but tolerated up to 5.3 % (w/v) NaCl. Phylogenetic analysis of 16S rRNA gene sequences revealed that strain LAM0050T was a member of the genus Advenella, and was most closely related to Advenella faeciporci KCTC 23732T, Advenella incenata CCUG 45225T, Advenella kashmirensis DSM 17095T and Advenella mimigardefordensis DSM 17166T, with 98.1, 96.6, 96.6 and 96.3 % sequence similarity, respectively. The DNA-DNA hybridization relatedness between strain LAM0050T and A. faeciporci KCTC 23732T was 41.7 ± 2.4 %. The genomic DNA G+C content was 51.2 mol%, as determined by the Tm method. The major fatty acids of strain LAM0050T were C16 : 0, C17 : 0 cyclo, summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c) and summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c). The predominant ubiquinone was Q-8. The main polar lipids were diphosphatidyglycerol, phosphatidylethanolamine, phosphatidylmethylethanolamine and four unidentified phospholipids. Based on the phenotypic and genotypic properties, strain LAM0050T is suggested to represent a novel species of the genus Advenella, for which the name Advenella alkanexedens sp. nov., is proposed, the type strain is LAM0050T ( = ACCC 06485T = JCM 30465T).

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          Author and article information

          Journal
          Int J Syst Evol Microbiol
          International journal of systematic and evolutionary microbiology
          Microbiology Society
          1466-5034
          1466-5026
          Feb 2016
          : 66
          : 2
          Affiliations
          [1 ] Key Laboratory of Microbial Resources (Ministry of Agriculture, PR China), Institute of Agricultural Resources and Regional Planning, CAAS, Beijing 100081, PR China.
          [2 ] Key Laboratory of Development and Application of Rural Renewable Energy (MOA, PR China), Biogas Institute of Ministry of Agriculture, Chengdu 610041, PR China.
          Article
          10.1099/ijsem.0.000811
          26620977
          1e532ae7-0db0-4e9b-bcfc-c41217a1434d
          History

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