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HOME > J. Microbiol > Volume 56(8); 2018 > Article
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Leifsonia flava sp. nov., a novel actinobacterium isolated from the rhizosphere of Aquilegia viridiflora
Ying Cai , Wen-Zhen Tao , Yu-Jun Ma , Juan Cheng , Meng-Yue Zhang , Yi-Xuan Zhang
Journal of Microbiology 2018;56(8):549-555.
DOI: https://doi.org/10.1007/s12275-018-8061-z
Published online: July 25, 2018
School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China
Corresponding author:  Yi-Xuan Zhang , Tel: +86-24-23986576, 
Received: 2 February 2018   • Revised: 25 May 2018   • Accepted: 28 May 2018
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Abstract

SYP-B2174T is a yellow-pigmented, Gram-positive, non-motile, and rod-shaped actinobacterium isolated from the rhizospheric soil of Aquilegia viridiflora Pall. collected from the Xinjiang uygur autonomous region of China. The strain’s growth temperature ranges from 1 to 35°C, with an optimal growth being observed at 28°C. Growth occurs from 0 to 5% NaCl and at pH 6–8, with optimal growth being observed in 1% NaCl at pH 7. Comparative 16S rRNA gene sequencebased phylogenetic analysis placed the strain in a clade with the species Leifsonia kafniensis JCM 17021T and Leifsonia psychrotolerans DSM 22824T with similarities of 97.8 and 97.6%, respectively. The DNA-DNA hybridization values of the strain SYP-B2174T to its closest phylogenetic neighbors were significantly lower than 35.7%. The strain was identified as a novel species of the genus Leifsonia judging by the coryneform morphology, peptidoglycans based upon 2,4-diaminobutyric acid, principal phospholipids phosphatidylglycerol and diphosphatidylglycerol, major menaquinone MK-11, predominant fatty acids of anteiso-C15:0, anteiso-C17:0, and iso-C16:0, and a DNA G + C base composition of 68.7 mol%, for which the name Leifsonia flava sp. nov. is proposed. The type strain is SYP-B2174T (= CGMCC 1.15856T = DSM 105144T = KCTC 39963T).

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    Leifsonia flava sp. nov., a novel actinobacterium isolated from the rhizosphere of Aquilegia viridiflora
    J. Microbiol. 2018;56(8):549-555.   Published online July 25, 2018
    DOI: https://doi.org/10.1007/s12275-018-8061-z
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