从蜜蜂肠道中分离出的尖顶双歧杆菌。

IF 2 3区 生物学 Q4 MICROBIOLOGY International journal of systematic and evolutionary microbiology Pub Date : 2024-12-01 DOI:10.1099/ijsem.0.006599
Ting-Yu Wang, Hao Wang, Chun Tao Gu
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引用次数: 0

摘要

本文对从蜜蜂肠道分离的两种新型双歧杆菌(F806-1T和F814-1.1)进行了鉴定。16S rRNA基因序列分析表明,菌株F806-1T和F814-1.1同属小行星双歧杆菌群,与阿波双歧杆菌W8102T和多糖双歧杆菌W8117T亲缘关系最为密切,16S rRNA基因序列相似性为98.9 ~ 99.4%。菌株F806-1T和F814-1.1与B.多糖W8117T的16S rRNA基因序列相似性最高,分别为99.1%和99.4%。菌株F806-1T和F814-1.1与类群所有种型菌株的核苷酸平均同源性为73.2 ~ 90.5%,数字DNA-DNA杂交率为21.5 ~ 40.8%,氨基酸平均同源性为67.4 ~ 92.5%。从d-阿拉伯糖、l-阿拉伯糖、d-木糖、l-木糖、d-半乳糖、d-果糖、d-甘露糖和甲基-α-d-葡萄糖苷生产酸;菌株F806-1T和F814-1.1对3% NaCl的耐受性和胱氨酸芳基酰胺酶、n -乙酰-β-氨基葡萄糖苷酶、α-甘露糖苷酶和α- focusidase的活性可以区分不同类型菌株。根据本研究获得的数据,提出了一个新种——尖顶双歧杆菌sp. nov.,其类型菌株为F806-1T (=CCTCC AB 2024129T=JCM 37002T)。
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Bifidobacterium apicola sp. nov., isolated from the gut of honeybee (Apis mellifera).

Two novel bifidobacteria (designated F806-1T and F814-1.1) isolated from the gut of honeybee (Apis mellifera) were characterized in the present study. 16S rRNA gene sequence analysis indicated that strains F806-1T and F814-1.1 belonged to the Bifidobacterium asteroides group and were most closely related to Bifidobacterium apousia W8102T and Bifidobacterium polysaccharolyticum W8117T, having 98.9-99.4% 16S rRNA gene sequence similarities. Strains F806-1T and F814-1.1 had the highest 16S rRNA gene sequence similarities (99.1 and 99.4 %) with B. polysaccharolyticum W8117T. Strains F806-1T and F814-1.1 had 73.2-90.5% average nucleotide identity, 21.5-40.8% digital DNA-DNA hybridization and 67.4-92.5% average amino acid identity values with type strains of all species in the B. asteroides group. Acid production from d-arabinose, l-arabinose, d-xylose, l-xylose, d-galactose, d-fructose, d-mannose and methyl-d-glucopyranoside; tolerance to 3% NaCl and activity of cystine arylamidase, N-acetyl-β-glucosaminidase, α-mannosidase and α-fucosidase could differentiate strains F806-1T and F814-1.1 from the type strain of B. polysaccharolyticum. Based on the data obtained in the present study, a novel species, Bifidobacterium apicola sp. nov., is proposed, and the type strain is F806-1T (=CCTCC AB 2024129T=JCM 37002T).

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期刊介绍: Published by the Microbiology Society and owned by the International Committee on Systematics of Prokaryotes (ICSP), a committee of the Bacteriology and Applied Microbiology Division of the International Union of Microbiological Societies, International Journal of Systematic and Evolutionary Microbiology is the leading forum for the publication of novel microbial taxa and the ICSP’s official journal of record for prokaryotic names. The journal welcomes high-quality research on all aspects of microbial evolution, phylogenetics and systematics, encouraging submissions on all prokaryotes, yeasts, microfungi, protozoa and microalgae across the full breadth of systematics including: Identification, characterisation and culture preservation Microbial evolution and biodiversity Molecular environmental work with strong taxonomic or evolutionary content Nomenclature Taxonomy and phylogenetics.
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