Journal of Microbiology

Shan Lu

7 Articles

Descr!ption 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; J. Microbiol. 2023;61(4):379-388. Published online March 16, 2023; DOI: https://doi.org/10.1007/s12275-023-00029-5

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Two novel Gram-stain-positive, aerobic, non-motile, and yellow-pigmented, irregular rod-shaped bacteria (JY.X269 and JY.X270T) were isolated from the near-surface sediments of river in Qinghai Province, P. R. China (32°37′13″N, 96°05′37″E) in July 2019. Both strains were shown to grow at 15–35 °C and pH 7.0–10.0, and in the presence of 0–6.0% (w/v) NaCl. The 16S rRNA gene sequence analysis showed that the isolates were closely related to Ornithinimicrobium cavernae CFH 30183 T (98.6–98.8% 16S rRNA gene sequence similarity), O. ciconiae H23M54T (98.5–98.6%) and O. murale 01-Gi-040T (98.3–98.5%). The phylogenetic and phylogenomic trees based on the 16S rRNA gene and 537 core gene sequences, respectively, revealed that the two strains formed a distinct cluster with the above three species. The digital DNA-DNA hybridization (dDDH) and average nucleotide identity (ANI) values between our two isolates (JY.X269 and JY.X270T) and other Ornithinimicrobium species were within the ranges of 19.0–23.9% and 70.8–80.4%, respectively, all below the respective recommended 70.0% and 95–96% cutoff point. Furthermore, the major cellular fatty acids (> 10.0%) of strains JY.X269 and JY.X270T were iso-C15:0, iso-C16:0, and summed feature 9. Strain JY.X270T contained MK-8(H4) and ornithine as the predominant menaquinone and diagnostic diamino acid component within the cell wall teichoic acids. β-cryptoxanthin ( C40H56O) can be extracted from strain JY.X270T, and its content is 6.3 μg/ml. Based on results from the phylogenetic, chemotaxonomic, and phenotypic analyses, the two strains could be classified as a novel species of the genus Ornithinimicrobium, for which the name Ornithinimicrobium cryptoxanthini sp. nov. is proposed (type strain JY.X270T = CGMCC 1.19147T = JCM 34882T).

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Screening, identification, and characterization of high potential bacteria for ꞵ-cryptoxanthin production from natural sources
Sopida Korkerd, Savitri Vatanyoopaisarn, Wonnop Visessaguan, Benjawan Thumthanarak, Dudsadee Uttapap, Solange I. Mussatto, Vilai Rungsardthong
Biocatalysis and Agricultural Biotechnology.2024; 57: 103089. CrossRef

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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Abstract

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

Flaviflexus equikiangi sp. nov. isolated from faeces of Equus kiang (Tibetan wild ass) and carrying a class 1 integron gene cassette in its genome: Caixin Yang , Xingxing Lian , Yanpeng Cheng , Yifan Jiao , Jing Yang , Kui Dong , Shan Lu , Xin-He Lai , Dong Jin , Han Zheng , Ji Pu , Suping Wang , Liyun Liu , Jianguo Xu; J. Microbiol. 2022;60(6):585-593. Published online April 18, 2022; DOI: https://doi.org/10.1007/s12275-022-1673-3

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Abstract: Two Gram-stain-positive, catalase-negative, non-spore-forming, cocci-shaped strains (dk850T and JY899) were isolated from the feces of Equus kiang in the Qinghai-Tibet Plateau of China. 16S rRNA gene sequence-based phylogenetic analyses showed that strains dk850T and JY899 belong to the genus Flaviflexus, closest to F. salsibiostraticola KCTC 33148T, F. ciconiae KCTC 49253T and F. huanghaiensis H5T. The DNA G + C content of strain dk850T was 62.9%. The digital DNADNA hybridization values of strain dk850T with the closely related species were below the 70% threshold for species demarcation. The two strains grew best at 28°C on brain heart infusion (BHI) agar with 5% sheep blood. All strains had C18:1ω9c and C16:0 as the major cellular fatty acids. MK-9(H4) was the major menaquinone in strain dk850T. The major polar lipids included diphosphatidylglycerol and an unidentified phospholipid. Strains dk850T and JY899 were identified as carrying a class 1 integron containing the aminoglycoside resistance gene aadA11, both strains were resistant to spectinomycin and streptomycin. Based on several lines of evidence from phenotypic and phylogenetic analyses, strains dk850T and JY899 represent a novel species of the genus Flaviflexus, for which the name Flaviflexus equikiangi sp. nov. is proposed. The type strain is dk850T (= CGMCC 1.16593T = JCM 33598T).

Changpingibacter yushuensis gen. nov., sp. nov., isolated from fluvial sediment in Qinghai Tibet Plateau of China: Yifan Jiao , Sihui Zhang , Jing Yang , Xin-He Lai , Kui Dong , Yanpeng Cheng , Mingchao Xu , Wentao Zhu , Shan Lu , Dong Jin , Ji Pu , Ying Huang , Liyun Liu , Suping Wang , Jianguo Xu; J. Microbiol. 2022;60(2):147-155. Published online January 7, 2022; DOI: https://doi.org/10.1007/s12275-022-1199-8

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Abstract

Two facultatively anaerobic, short rod-shaped, non-motile, Gram-stain-positive, unknown bacterial strains (JY-X040T and JY-X174) were isolated from fluvial sediments of Tongtian River in Yushu Tibetan Autonomous Prefecture, Qinghai province, China. Cells formed translucent, gray, round and convex colonies, with a diameter of less than 0.5 mm after 5 days of incubation at 30°C on brain heart infusion-5% sheep blood agar. The 16S rRNA gene sequence similarity between strain JY-X040T and Fudania jinshanensis 313T is 93.87%. In the four phylogenetic trees constructed based on the 16S rRNA gene and 423 core genes, the two isolates form an independent branch, phylogenetically closest to F. jinshanensis 313T, but could not be classified as a member of the genus Fudania or any other genus of the family Arcanobacteriaceae. The DNA G + C content of strain JY-X040T was 57.8%. Calculation
results
of average nucleotide identity, digital DNADNA hybridization value and amino acid identity between strain JY-X040T and F. jinshanensis 313T are 69.9%, 22.9%, and 64.1%. The major cellular fatty acids were C16:0 (23%) and C18:1ω9c (22%). The cell-wall peptidoglycan type was A5α (L-Lys-L-Ala-L-Lys-D-Glu). The polar lipids comprised diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannoside and four unidentified components. The whole-cell sugars contained rhamnose and ribose. MK-10(H4) was the sole respiratory quinone. The minimum inhibitory concentration of streptomycin was 32 μg/ml. All physiological, biochemical, chemotaxonomic and genomic characteristics support that strains JY-X040T and JY-X174 represent members of a novel species in a new genus, Changpingibacter yushuensis gen. nov., sp. nov. The type strain is JY-X040T (GDMCC 1.1996T = KCTC 49514T).

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Metagenomic and Culturomics Analysis of Microbial Communities within Surface Sediments and the Prevalence of Antibiotic Resistance Genes in a Pristine River: The Zaqu River in the Lancang River Source Region, China
Yi Yan, Jialiang Xu, Wenmin Huang, Yufeng Fan, Zhenpeng Li, Mingkai Tian, Jinsheng Ma, Xin Lu, Jian Liang
Microorganisms.2024; 12(5): 911. CrossRef
Bacterial diversity in arboreal ant nesting spaces is linked to colony developmental stage
Maximilian Nepel, Veronika E. Mayer, Veronica Barrajon-Santos, Dagmar Woebken
Communications Biology.2023;[Epub] CrossRef

Isolation and characterization of tick-borne Roseomonas haemaphysalidis sp. nov. and rodent-borne Roseomonas marmotae sp. nov.: Wentao Zhu , Juan Zhou , Shan Lu , Jing Yang , Xin-He Lai , Dong Jin , Ji Pu , Yuyuan Huang , Liyun Liu , Zhenjun Li , Jianguo Xu; J. Microbiol. 2022;60(2):137-146. Published online November 26, 2021; DOI: https://doi.org/10.1007/s12275-022-1428-1

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Abstract

Four novel Gram-negative, mesophilic, aerobic, motile, and cocci-shaped strains were isolated from tick samples (strains 546T and 573) and respiratory tracts of marmots (strains 1318T and 1311). The 16S rRNA gene sequencing revealed that strains 546T and 573 were 97.8% identical to Roseomonas wenyumeiae Z23T, whereas strains 1311 and 1318T were 98.3% identical to Roseomonas ludipueritiae DSM 14915T. In addition, a 98.0% identity was observed between strains 546T and 1318T. Phylogenetic and phylogenomic analyses revealed that strains 546T and 573 clustered with R. wenyumeiae Z23T, whereas strains 1311 and 1318T grouped with R. ludipueritiae DSM 14915T. The average nucleotide identity between our isolates and members of the genus Roseomonas was below 95%. The genomic G+C content of strains 546T and 1318T was 70.9% and 69.3%, respectively. Diphosphatidylglycerol (DPG) and phosphatidylethanolamine (PE) were the major polar lipids, with Q-10 as the predominant respiratory quinone. According to all genotypic, phenotypic, phylogenetic, and phylogenomic analyses, the four strains represent two novel species of the genus Roseomonas, for which the names Roseomonas haemaphysalidis sp. nov. and Roseomonas marmotae sp. nov. are proposed, with 546T (= GDMCC 1.1780T = JCM 34187T) and 1318T (= GDMCC 1.1781T = JCM 34188T) as type strains, respectively.

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Genomic epidemiology and antimicrobial resistance of Morganella clinical isolates between 2016 and 2023
Wentao Zhu, Qian Liu, Jinlv Liu, Yaqi Wang, Hong Shen, Ming Wei, Ji Pu, Li Gu, Jing Yang
Frontiers in Cellular and Infection Microbiology.2025;[Epub] CrossRef
Roseomonas populi sp. nov., an acetate-degrading bacteria isolated from the stem of Populus tomentosa
Yao Cheng, Wen Zhu, Shuo Han, Jingjing Yang, Guanqi Wu, Guozhu Zhao, Xiangwei He
Antonie van Leeuwenhoek.2024;[Epub] CrossRef
Description of Corynebacterium poyangense sp. nov., isolated from the feces of the greater white-fronted geese (Anser albifrons)
Qian Liu, Guoying Fan, Kui Wu, Xiangning Bai, Xi Yang, Wentao Song, Shengen Chen, Yanwen Xiong, Haiying Chen
Journal of Microbiology.2022; 60(7): 668. CrossRef
Canibacter zhuwentaonis sp. nov. and Canibacter zhoujuaniae sp. nov., isolated from Marmota himalayana
Xianglian Lv, Yinmei Li, Yanpeng Cheng, Xin-He Lai, Jing Yang, Shan Lu, Gui Zhang, Caixin Yang, Dong Jin, Liyun Liu, Jianguo Xu
International Journal of Systematic and Evolutionary Microbiology .2022;[Epub] CrossRef

Agromyces laixinhei sp. nov. isolated from bat feces in China: Yanpeng Cheng , Yibo Bai , Yuyuan Huang , Jing Yang , Shan Lu , Dong Jin , Ji Pu , Han Zheng , Junqin Li , Ying Huang , Suping Wang , Jianguo Xu; J. Microbiol. 2021;59(5):467-475. Published online March 29, 2021; DOI: https://doi.org/10.1007/s12275-021-0546-5

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Abstract

Three rod-shaped, Gram-stain-positive, and catalase-positive, phenotypically closely related isolates (HY052T, HY050, and HY045) were obtained from fecal samples collected from bats in Guangxi province and Chongqing city of China. Circular, smooth, light-yellow colonies appeared on brain heart infusion plate after 24–48 h incubation at 28°C. The optimal pH for growth was between 6.0 and 7.5. Based on 16S rRNA, the three isolates were phylogenetically related to Agromyces terreus DS-10T, Agromyces aureus AR33T, Agromyces salentinus 20-5T, Agromyces allii UMS-62T, Agromyces lapidis CD55T, and Agromyces italicus CD1T. Moreover, based on 296 core genes, the phylogenomic tree indicated that the three isolates clustered together, closest to Agromyces cerinus VKM Ac- 1340T and Agromyces fucosus VKM Ac-1345T but separated distantly from other Agromyces species. The average nucleotide identity values between strain HY052T and other Agromyces species ranged from 79.3% to 87.9%, lower than the 95–96% threshold. Furthermore, the genome of strain HY052T contains a circular chromosome of 3,437,203 bp with G + C content of 69.0 mol%. Main fatty acids were anteiso-C15:0 and anteiso-C17:0. The polar lipids comprised diphosphatidylglycerol, phosphatidylglycerol, and unidentified glycolipids. Rhamnose, ribose, and glucose were the primary cell wall sugars. The major peptidoglycan amino acids included alanine, glutamic acid, glycine, and 2,4-diaminobutyric acid. An additional remarkable difference from other Agromyces species is that MK-12 was the sole menaquinone in strain HY052T. Based on results from the polyphasic characterizations performed in this study, our isolates are proposed to be members of a novel species in genus Agromyces, named Agromyces laixinhei. The type strain is HY052T (= CGMCC 1.17175T = JCM 33695T).

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Agromyces archimandritae sp. nov., isolated from the cockroach Archimandrita tessellata
Juan Guzman, Maite Ortúzar, Anja Poehlein, Rolf Daniel, Martha E. Trujillo, Andreas Vilcinskas
International Journal of Systematic and Evolutionary Microbiology .2022;[Epub] CrossRef
The Threat of Potentially Pathogenic Bacteria in the Feces of Bats
Yuyuan Huang, Yamin Sun, Qianni Huang, Xianglian Lv, Ji Pu, Wentao Zhu, Shan Lu, Dong Jin, Liyun Liu, Zhengli Shi, Jing Yang, Jianguo Xu, Biao He
Microbiology Spectrum.2022;[Epub] CrossRef
Morphological and genomic characteristics of two novel halotolerant actinomycetes, Tomitella gaofuii sp. nov. and Tomitella fengzijianii sp. nov. isolated from bat faeces
Yuyuan Huang, Jing Yang, Shan Lu, Xin-He Lai, Dong Jin, Juan Zhou, Sihui Zhang, Qianni Huang, Xianglian Lv, Wentao Zhu, Ji Pu, Ying Huang, Liyun Liu, Jianguo Xu
Systematic and Applied Microbiology.2022; 45(2): 126294. CrossRef
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
Journal of Microbiology.2022; 60(10): 977. CrossRef

Vagococcus zengguangii sp. nov., isolated from yak faeces: Yajun Ge , Dong Jin , Xin-He Lai , Jing Yang , Shan Lu , Ying Huang , Han Zheng , Xiaoyan Zhang , Jianguo Xu; J. Microbiol. 2021;59(1):1-9. Published online December 23, 2020; DOI: https://doi.org/10.1007/s12275-021-0406-3

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Abstract

Two unknown Gram-stain-positive, catalase- and oxidasenegative, non-motile, and coccus-shaped bacteria, designated MN-17T and MN-09, were isolated from yaks faeces (Bos grunniens) in the Qinghai-Tibet Plateau of China. 16S rRNA gene sequence-based comparative analyses revealed that the two strains were grouped within the genus Vagococcus, displaying the highest similarity with Vagococcus xieshaowenii CGMCC 1.16436T (98.6%) and Vagococcus elongatus CCUG 51432T (96.4%). Both strains grew optimally at 37°C and pH 7.0 in the presence of 0.5% (w/v) NaCl. The complete genome of MN-17T comprises 2,085 putative genes with a total of 2,190,262 bp and an average G + C content of 36.7 mol%. The major fatty acids were C16:0 (31.2%), C14:0 (28.5%), and C18:1ω9c (13.0%); the predominant respiratory quinone was MK-7 (68.8%); the peptidoglycan type was A4α(L-Lys-DAsp); and the major polar lipid was diphosphatidylglycerol. Together, these supported the affiliation of strain MN-17T to the genus Vagococcus. In silico DNA-DNA hybridization and the average nucleotide identity values between MN-17T and all recognized species in the genus were 21.6–26.1% and 70.7–83.0%, respectively. MN-17T produced acid from D-cellobiose, D-fructose, glycerol, D-glucose, N-acetyl-glucosamine, gentiobiose, D-mannose, D-maltose, D-ribose, Dsaccharose, salicin, D-trehalose, and D-xylose. These results distinguished MN-17T and MN-09 from closely related species in Vagococcus. Thus, we propose that strains MN-17T and MN-09 represent a novel species in the genus Vagococcus, with the name Vagococcus zengguangii sp. The type strain is MN-17T (= CGMCC 1.16726T = GDMCC 1.1589T = JCM 33478T).

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Vagococcus proximus sp. nov. and Vagococcus intermedius sp. nov., originating from modified atmosphere packaged broiler meat
Per Johansson, Elina Jääskeläinen, Elina Säde, Johanna Björkroth
International Journal of Systematic and Evolutionary Microbiology .2023;[Epub] CrossRef
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
Journal of Microbiology.2022; 60(10): 977. CrossRef

Shan Lu

1 Article

Genomic Characterization and Comparative Analysis of Streptococcus zhangguiae sp. nov. Isolated from the Respiratory Tract of Marmota Himalayana: Caixin Yang, Jiajia Ma, Huimin Zhou, Jing Yang, Ji Pu, Shan Lu, Dong Jin, Liyun Liu, Kui Dong, Jianguo Xu; J. Microbiol. 2024;62(11):951-963. Published online November 4, 2024; DOI: https://doi.org/10.1007/s12275-024-00177-2

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Abstract: Two Gram-stain-positive, oxidase-negative, non-motile, facultative anaerobic, α-hemolytic, coccus-shaped bacteria (zg-86^T and zg-70) were isolated from the respiratory tracts of marmots (Marmota Himalayana) on the Qinghai-Tibet Plateau of China. Phylogenetic analysis of the 16S rRNA gene and 545 core genes revealed that these two strains belong to the Streptococcus genus. These strains were most closely related to Streptococcus respiraculi HTS25^T, Streptococcus cuniculi CCUG 65085^T, and Streptococcus marmotae HTS5^T. The average nucleotide identity (ANI) and digital DNA‒DNA hybridization (dDDH) were below the threshold for species delineation. The predominant cellular fatty acids (CFAs) in this novel species were C_16:0, C_18:0, and C_18:1ω9c, whereas the primary polar lipids were phosphatidylglycerol (PG), phosphatidylethanolamine (PE) and an unknown phosphoglycolipid (PGL). The optimal growth conditions for the strains were 37 °C, pH 7.0, and 0.5% (w/v) NaCl on brain-heart infusion (BHI) agar supplemented with 5% defibrinated sheep blood. Comparative genomics analyses revealed the potential pathogenicity of strain zg-86^T through comparisons with suis subclade strains in terms of virulence factors, pathogen-host interactions (PHIs) and mobile genetic factors (MGEs). Based on the phenotypic characteristics and phylogenetic analyses, we propose that these two isolates represent novel species in the genus Streptococcus, for which the names Streptococcus zhangguiae sp. nov. (the type strain zg-86^T=GDMCC 1.1758^T=JCM 34273^T) is proposed.

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