Flavitalea populi gen. nov., sp. nov., isolated from soil of a Euphrates poplar (Populus euphratica) forest

Author:

Wang Yang1,Cai Feng1,Tang Yali2,Dai Jun1,Qi Huan1,Rahman Erkin3,Peng Fang1,Fang Chengxiang1

Affiliation:

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

2. Institute of Hydrobiology, Jinan University, Guangzhou 510632, PR China

3. College of Life Science and Technology, Xinjiang University, Urumchi 830046, PR China

Abstract

A novel strain, designated HY-50RT, isolated from soil of a Euphrates poplar (Populus euphratica) forest in Xinjiang, China, was characterized using a polyphasic taxonomic approach. Cells of the isolate were Gram-reaction-negative, strictly aerobic, rod-shaped, non-motile, oxidase-negative and catalase-positive. Phylogenetic analysis based on 16S rRNA gene sequences showed that the isolate was a member of the phylum Bacteroidetes, its closest relatives being Niastella populi THYL-44T (93.6 % similarity), Flavisolibacter ginsengisoli Gsoil 643T (93.5 %), Terrimonas ferruginea IAM 15098T (93.3 %) and Flavisolibacter ginsengiterrae Gsoil 492T (93.2 %). The major fatty acids were iso-C15 : 1 G (11.7 %), iso-C15 : 0 (19.6 %) and iso-C17 : 0 3-OH (19.3 %). The predominant menaquinone of strain HY-50RT was MK-7 and the genomic DNA G+C content was 46.8 mol%. Flexirubin-type pigments were not produced. Based on phylogenetic evidence and the results of phenotypic, genotypic and chemotaxonomic analysis, strain HY-50RT represents a novel species of a novel genus, for which the name Flavitalea populi gen. nov., sp. nov. is proposed. The type strain is HY-50RT ( = CCTCC AB 208255T  = NRRL B-59222T).

Funder

R & D Infrastructure and Facility Development Program from the Ministry of Science and Technology of the People’s Republic of China

Publisher

Microbiology Society

Subject

General Medicine,Ecology, Evolution, Behavior and Systematics,Microbiology

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