Actinomyces wuliandei sp. nov., Corynebacterium liangguodongii sp. nov., Corynebacterium yudongzhengii sp. nov. and Oceanobacillus zhaokaii sp. nov., isolated from faeces of Tibetan antelope in the Qinghai-Tibet plateau of China

Author:

Zhu Wentao1,Li Junqin21,Wang Xiaoxia1,Yang Jing341,Lu Shan341,Lai Xin-He5,Jin Dong341,Huang Yuyuan1,Zhang Sihui1,Pu Ji1,Zhou Juan1,Ren Zhihong1,Huang Ying1,Wu Xiaomin6,Xu Jianguo1342

Affiliation:

1. State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, Beijing 102206, PR China

2. Department of Epidemiology, Shanxi Medical University School of Public Health, Taiyuan, Shanxi 030001, PR China

3. Research Units of Discovery of Unknown Bacteria and Function, Chinese Academy of Medical Sciences, Beijing 100730, PR China

4. Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, PR China

5. Henan Key Laboratory of Biomolecular Recognition and Sensing, College of Chemistry and Chemical Engineering, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, Shangqiu Normal University, Shangqiu 476000, PR China

6. Shaanxi Institute of Zoology, Xi'an 710032, PR China

Abstract

Eight Gram-stain-positive, rod-shaped bacterial strains were isolated from faeces of Tibetan antelopes on the Tibet-Qinghai Plateau of China. Genomic sequence analysis showed that the strains belong to the genera Actinomyces (strains 299T and 340), Corynebacterium (strains 2184T, 2185, 2183T and 2189) and Oceanobacillus (strains 160T and 143), respectively, with a percentage of similarity for the 16S rRNA gene under the species threshold of 98.7 % except for strains 160T and 143 with Oceanobacillus arenosus CAU 1183T (98.8 %). The genome sizes (and genomic G+C contents) were 3.1 Mb (49.4 %), 2.5 Mb (64.9 %), 2.4 Mb (66.1 %) and 4.1 Mb (37.1 %) for the type strains 299T, 2183T, 2184T and 160T, respectively. Two sets of the overall genome relatedness index values between our isolates and their corresponding closely related species were under species thresholds (95 % for average nucleotide identity, and 70 % for digital DNA–DNA hybridization). These results, together with deeper genotypic, genomic, phenotypic and biochemical analyses, indicate that these eight isolates should be classified as representing four novel species. Strain 299T (=CGMCC 1.16320T=JCM 33611T) is proposed as representing Actinomyces wuliandei sp. nov.; strain 2184T (=CGMCC 1.16417T=DSM 106203T) is proposed as representing Corynebacterium liangguodongii sp. nov.; strain 2183T (=CGMCC 1.16416T=DSM 106264T) is proposed as representing Corynebacterium yudongzhengii sp. nov.; and strain 160T (=CGMCC 1.16367T=DSM 106186T) is proposed as representing Oceanobacillus zhaokaii sp. nov.

Funder

National Science and Technology Major Project of China

National Key R&D Program of China

Sanming Project of Medicine in Shenzhen

Research Units of Discovery of Unknown Bacteria and Function, Chinese Academy of Medical Sciences

Publisher

Microbiology Society

Subject

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

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