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Int J Syst Evol Microbiol 59 (2009), 2854-2856; DOI  10.1099/ijs.0.010447-0
© 2009 International Union of Microbiological Societies

Niabella yanshanensis sp. nov., isolated from the soybean rhizosphere

Hao Wang1,2, Yun Zeng Zhang1, Chao Xin Man3, Wen Feng Chen1, Xin Hua Sui1, Ying Li1, Xiao Xia Zhang4 and Wen Xin Chen1

1 State Key Laboratory of Agrobiotechnology and Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
2 The National Research Center of Soybean Engineering and Technology, Northeast Agricultural University, Harbin, PR China
3 Heilongjiang Dairy Industry Technical Development Center, Northeast Agricultural University, Harbin, PR China
4 Agricultural Cultural Collection of China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China

Correspondence
Wen Xin Chen
wenxin{at}cau.edu.cn

An orange-coloured bacterium, CCBAU 05354T, was isolated from the soybean rhizosphere following growth on NA medium. The sample was taken from a field in Hebei province, People's Republic of China. The cells were aerobic, Gram-stain-negative, short rods (0.4–0.6x0.7–1.7 µm) and non-motile. Growth occurred at 28 °C (not at 10 or 37 °C), pH 6.0–10.0, and in the presence of 0–1 % NaCl (w/v). Flexirubin pigment was produced and the cells were resistant to some antibiotics. A phylogenetic analysis based on 16S rRNA gene sequences indicated that strain CCBAU 05354T was closely related to Niabella soli KACC 12604T (95.1 % sequence similarity). The predominant cellular fatty acids were iso-C15 : 0, iso-C15 : 1 G, iso-C17 : 0 3-OH and summed feature 3 (comprising C16 : 1{omega}7c and/or C16 : 1{omega}6c). The DNA G+C content was 42 mol%. On the basis of the phylogenetic, phenotypic and chemotaxonomic data, strain CCBAU 05354T represents a novel species of the genus Niabella, for which the name Niabella yanshanensis sp. nov. is proposed. The type strain is CCBAU 05354T (=LMG 24661T =HAMBI 3031T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of CCBAU 05354T is FJ457040






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