Journal of Microbiology

Journal Articles

Phenotypic and genomic characteristics of Brevibacterium zhoupengii sp. nov., a novel halotolerant actinomycete isolated from bat feces: Yuyuan Huang , Lingzhi Dong , Jian Gong , Jing Yang , Shan Lu , Xin-He Lai , Dong Jin , Qianni Huang , Ji Pu , Liyun Liu , Jianguo Xu; J. Microbiol. 2022;60(10):977-985. Published online August 19, 2022; DOI: https://doi.org/10.1007/s12275-022-2134-8

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Two strictly aerobic, Gram-staining-positive, non-spore-forming, regular rod-shaped (approximately 0.7 × 1.9 mm) bacteria (HY170T and HY001) were isolated from bat feces collected from Chongzuo city, Guangxi province (22°20􍿁54􍿂N, 106°49􍿁20􍿂E, July 2011) and Chuxiong Yi Autonomous Prefecture, Yunnan province (25°09􍿁10􍿂N, 102°04􍿁39􍿂E, October 2013) of South China, respectively. Optimal growth is obtained at 25–28°C (range, 4–32°C) on BHI-5% sheep blood plate with pH 7.5 (range, 5.0–10.0) in the presence of 0.5– 1.0% NaCl (w/v) (range, 0–15% NaCl [w/v]). The phylogenetic and phylogenomic trees based respectively on the 16S rRNA gene and 845 core gene sequences revealed that the two strains formed a distinct lineage within the genus Brevibacterium, most closely related to B. aurantiacum NCDO 739T (16S rRNA similarity, both 98.5%; dDDH, 46.7–46.8%; ANI, 91.9–92.1%). Strain HY170T contained MK-8(H2), diphosphatidylglycerol (DPG) and phosphatidylglycerol (PG), galactose and ribose as the predominant menaquinone, major polar lipids, and main sugars in the cell wall teichoic acids, respectively. The meso-diaminopimelic acid (meso-DAP) was the diagnostic diamino acid of the peptidoglycan found in strain HY170T. Anteiso-C15:0 and anteiso-C17:0 were the major fatty acids (> 10%) of strains HY170T and HY001, with anteiso-C17:1A predominant in strain HY170T but absent in strain HY001. Mining the genomes revealed the presence of secondary metabolite biosynthesis gene clusters encoding for non-alpha poly-amino acids (NAPAA), ectoine, siderophore, and terpene. Based on results from the phylogenetic, chemotaxonomic and phenotypic analyses, the two strains could be classified as a novel species of the genus Brevibacterium, for which the name Brevibacterium zhoupengii sp. nov. is proposed (type strain HY170T = CGMCC 1.18600T = JCM 34230T).

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Antagonistic Behavior of Streptomyces chartreuse against Pathogenic Bacteria in Ricinus communis L.
Bhoomi N. Patel, Priti Patel, Gayatri Patel
Biosciences Biotechnology Research Asia.2024; 21(1): 185. CrossRef
Functional genomics and taxonomic insights into heavy metal tolerant novel bacterium Brevibacterium metallidurans sp. nov. NCCP-602T isolated from tannery effluent in Pakistan
Sadia Manzoor, Saira Abbas, Sobia Zulfiqar, Hong-Chuan Wang, Min Xiao, Wen-Jun Li, Muhammad Arshad, Iftikhar Ahmed
Antonie van Leeuwenhoek.2024;[Epub] CrossRef
Description of Ornithinimicrobium cryptoxanthini sp. nov., a Novel Actinomycete Producing β-cryptoxanthin Isolated from the Tongtian River Sediments
Yuyuan Huang, Yifan Jiao, Sihui Zhang, Yuanmeihui Tao, Suping Zhang, Dong Jin, Ji Pu, Liyun Liu, Jing Yang, Shan Lu
Journal of Microbiology.2023; 61(4): 379. CrossRef
Morphological and genomic characteristics of two novel actinomycetes, Ornithinimicrobium sufpigmenti sp. nov. and Ornithinimicrobium faecis sp. nov. isolated from bat faeces (Rousettus leschenaultia and Taphozous perforates)
Yuyuan Huang, Suping Zhang, Yuanmeihui Tao, Jing Yang, Shan Lu, Dong Jin, Ji Pu, Wenbo Luo, Han Zheng, Liyun Liu, Jia-fu Jiang, Jianguo Xu
Frontiers in Cellular and Infection Microbiology.2023;[Epub] CrossRef

Comparative analysis of type 2 diabetes-associated gut microbiota between Han and Mongolian people: Shu-chun Li , Yao Xiao , Ri-tu Wu , Dan Xie , Huan-hu Zhao , Gang-yi Shen , En-qi Wu; J. Microbiol. 2021;59(7):693-701. Published online May 15, 2021; DOI: https://doi.org/10.1007/s12275-021-0454-8

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Abstract

Due to the different rates of diabetes in different ethnic groups and the structural differences in intestinal microbiota, this study evaluated the changes in diabetes-related intestinal microbiota in two ethnic groups. Fifty-six stool samples were collected from subjects from the Han and Mongolian ethnic groups in China, including participants without diabetes (non-diabetic, ND) and with type 2 diabetes (T2D). The 16S rDNA gene V3 + V4 area was extracted from microbiota, amplified by PCR, and used to perform high-throughput sequencing and screen differential microbiota associated with ethnicity. The results showed that there were 44 T2D-related bacterial markers in the Han subjects, of which Flavonifractor, Alistipes, Prevotella, Oscillibacter, Clostridium XlVa, and Lachnospiracea_incertae_sedis were most closely related to diabetes. There were 20 T2D-related bacterial markers in the Mongolian subjects, of which Fastidiosipila and Barnesiella were most closely related to diabetes. The common markers of T2D bacteria in the two ethnic groups were Papillibacter and Bifidobacterium. There were 17 metabolic pathways with significant differences between the ND and T2D groups in the Han group, and 29 metabolic pathways in the Mongolian group. The glutamatergic metabolic pathway was the only common metabolic pathway in two ethnic groups. The composition and function of diabetes-related bacteria were significantly different among the different ethnic groups, which suggested that the influence of ethnic differences should be fully considered when studying the association between diabetes and bacteria. In addition, the common bacterial markers found in diabetic patients of different ethnic groups in this study can be used as potential targets to study the pathogenesis and treatment of diabetes.

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Differences in gut microbiota and its metabolic function among different fasting plasma glucose groups in Mongolian population of China
Yanchao Liu, Mingxiao Wang, Wuyuntana Li, Yumin Gao, Hailing Li, Ning Cao, Wenli Hao, Lingyan Zhao
BMC Microbiology.2023;[Epub] CrossRef
Bi-Directional Interactions between Glucose-Lowering Medications and Gut Microbiome in Patients with Type 2 Diabetes Mellitus: A Systematic Review
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Longitudinal Characterization of the Gut Microbiota in the Diabetic ZDSD Rat Model and Therapeutic Potential of Oligofructose
Savanna N. Weninger, Angela Ding, Elizabeth N. Browne, Morgan L. Frost, Gabriele Schiro, Daniel Laubitz, Frank A. Duca
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Diabetes, Metabolic Syndrome and Obesity.2023; Volume 16: 2329. CrossRef
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Rong Chen, Zhong-Yu Duan, Xiao-Hua Duan, Qing-Hua Chen, Jin Zheng
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