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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Streptosporangium minutum sp nov., isolated from garden soil exposed to microwave radiation
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Streptosporangium minutum sp nov., isolated from garden soil exposed to microwave radiation

机译：Screptosporangium minutum sp 11月。，从花园土壤中孤立，暴露于微波辐射

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摘要

The actinobacterium, strain M26(T), was isolated from garden soil that was pre-treated with microwave radiation. The soil sample was collected in Roodepoort, Gauteng Province, South Africa as part of an antibiotic-screening programme. The isolate produced branched vegetative mycelium with sporangiophores bearing small sporangia ranging from 3 to 6 mu m in diameter. Rapid genus identification revealed that the isolate belongs to the genus Streptosporangium. To confirm this result, the strain was subjected to polyphasic taxonomic characterisation. Chemotaxonomic characteristics were as follows: meso-DAP in the peptidoglycan, the whole-cell hydrolysate yielded madurose, predominant menaquinones were MK9 (21%), MK9(H-2) (40%), MK9(H-4) (31%) and MK9(H-6) (3%); the polar lipid profile included an aminolipid, phosphoglycolipids, phosphatidylethanolamine, and phosphatidylmonomethylethanolamine. In addition, the fatty acid profile showed the presence of C-16:0 (12.8%), C-17:1 omega 8c (14.2%), and 10-methyl-C-17:0 (15.8%). Furthermore, 16S rRNA gene sequence phylogenetic analysis showed that the strain is closely related to members of the genus Streptosporangium, which supports its classification within the family Streptosporangiaceae. Strain M26(T) exhibited antibiosis against a range of pathogenic bacteria, including, but not limited to Acinetobacter baumannii ATCC 19606(T), Enterobacter cloacae subsp. cloacae ATCC BAA-1143, Enterococcus faecalis ATCC 51299 (vancomycin resistant), Escherichia coli ATCC 25922, Listeria monocytogenes ATCC 19111, Mycobacterium tuberculosis H37Rv(T), Pseudomonas aeruginosa ATCC 27853, Salmonella enterica subsp. arizonae ATCC 13314(T,) and the methicillin-resistant Staphylococcus aureus subsp. aureus ATCC 33591 (MRSA). The name Streptosporangium minutum is proposed with the type strain M26(T) (=LMG 28850(T) =NRRL B-65295(T)).
机译：抗肌肌菌，菌株M26（T）与用微波辐射预处理的花园土壤中分离。土壤样品在南非豪彭省ROWEPOORT，作为抗生素筛查计划的一部分。分离物产生的分枝营养菌丝菌丝菌菌丝菌菌毛囊，其小孢子率均为直径3至6μm。快速的属鉴定表明，孤立属属于链孢子孢子段属。为了确认这一结果，将该菌株进行多相分类物理表征。趋化性的特点如下：中间细胞水解产物在肽聚糖中产生MaDuriose，主要的母猪是MK9（21％），MK9（H-2）（40％），MK9（H-4）（31％）（31％）（31％） ）和MK9（H-6）（3％）;极性脂质分布包括氨基吡啶，磷脂，磷脂酰乙醇胺和磷脂酰甲基乙醇胺。此外，脂肪酸分布显示C-16：0（12.8％），C-17：1ω8C（14.2％）和10-甲基-C-17：0（15.8％）的存在。此外，16S rRNA基因序列系统发育分析表明，该菌株与链孢子孢子段属的成员密切相关，其支持其在族孢子囊岩内的分类。菌株M26（T）表现出针对一系列致病细菌的抗生素，包括但不限于19606（T），肠梗阻患者的肺杆菌。 Cloacae ATCC BAA-1143，肠球菌粪便ATCC 51299（抗性），大肠杆菌ATCC 25922，Histeria单核细胞增生ATCC 19111，结核分枝杆菌H37RV（T），假单胞菌Aeruginosa ATCC 27853，Salmonella肠道胚。 Arizonae ATCC 13314（T，）和耐甲氧脲葡萄球菌患者。金黄色葡萄球菌ATCC 33591（MRSA）。用菌株M26（T）（= LMG 28850（T）= NRRL B-65295（T），提出了该名称孢子孢子瘤细胞瘤。

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    Le Roes-Hill Marilize; Durrell Kim; Prins Alaric; Meyers Paul R.;

  • 作者单位

    Cape Peninsula Univ Technol Inst Biomed &

    Microbial Biotechnol Biocatalysis &

    Tech Biol Res Grp;

    Cape Peninsula Univ Technol Inst Biomed &

    Microbial Biotechnol Biocatalysis &

    Tech Biol Res Grp;

    Cape Peninsula Univ Technol Inst Biomed &

    Microbial Biotechnol Biocatalysis &

    Tech Biol Res Grp;

    Univ Cape Town Dept Mol &

    Cell Biol Private Bag X3 ZA-7701 Cape Town South Africa;

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  • 正文语种 eng
  • 中图分类 药学;
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