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Pontibacter soli sp. nov., isolated from the soil of a Populus rhizosphere in Xinjiang, China

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Abstract

A Gram-stain negative, rod-shaped, non-motile and pink-pigmented bacterial strain, designated strain HYL7-26T, was isolated from a soil in the Desert Park of Huyang forest located in Xinjiang, China. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain HYL7-26T belongs to the genus Pontibacter in the family Cytophagaceae. The 16S rRNA gene sequence similarity between strain HYL7-26T and type strains of Pontibacter species ranged from 93.2 to 96.0 %. Strain HYL7-26T was found to contain iso-C15:0 (15.9 %), iso-C17:0 3-OH (9.5 %) and summed feature 4 (comprising anteiso-C17:1 B and/or iso-C17:1 I, 21.0 %, as defined by the MIDI system) as the major cellular fatty acids. The major respiratory quinone was identified as MK-7 and the DNA G+C content was determined to be 43.8 mol%. sym-Homospermidine was the major polyamine observed in the cells. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain HYL7-26T is considered to represent a novel species of the genus Pontibacter, for which the name Pontibacter soli sp. nov. is proposed. The type strain is HYL7-26T (=CCTCC AB 206240T = NRRL B-59490T).

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Acknowledgments

This work was supported by National Basic Research Program of China (973 Program) (2011CB808800), the R&D Infrastructure and Facility Development Program (Grant No. NIMR-2012-8), State Oceanic Administration, P. R. China (Project No. 10/11YR06) and the National Natural Science Foundation of China (Nos. 31270538 and 31300003).

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Authors and Affiliations

  1. Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, College of Bioengineering, Hubei University of Technology, Wuhan, 430068, China

    Jun Dai, Xiong Chen & Zhi Wang

  2. China Center for Type Culture Collection (CCTCC), College of Life Sciences, Wuhan University, Wuhan, 430072, China

    Fang Peng, Fan Jiang & Chengxiang Fang

  3. Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China

    Mengbo Xu

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  1. Jun Dai
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  2. Mengbo Xu
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  3. Fang Peng
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  4. Fan Jiang
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  5. Xiong Chen
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  6. Zhi Wang
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  7. Chengxiang Fang
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Correspondence to Chengxiang Fang.

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Jun Dai and Mengbo Xu contributed equally to this work.

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Dai, J., Xu, M., Peng, F. et al. Pontibacter soli sp. nov., isolated from the soil of a Populus rhizosphere in Xinjiang, China. Antonie van Leeuwenhoek 105, 65–72 (2014). https://doi.org/10.1007/s10482-013-0053-8

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  • DOI: https://doi.org/10.1007/s10482-013-0053-8

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