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Antifungal activity of Arctic and Antarctic bacteria isolates

机译：北极和南极细菌的抗真菌活性

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摘要

Various psychrotolerant bacterial strains with broad-spectrum antimicrobial potential were isolated from a number of Antarctic and Arctic samples (lake sediments, water, as well as faeces, feathers and soils collected in penguin rookeries). Seven isolates from all types of samples exhibited clear antifungal activities against the multidrug-resistant pathogenic yeast strain Candida albicans NCIM 3471. One isolate from the penguin rookery, identified by means of 16S rDNA sequencing as a strain of Enterococcus faecium, showed very strong antimycotic activity against a total of six C. albicans strains. The antibiotic activity was found after ammonium sulphate precipitation and dialysis but was sensitive to proteolytic enzymes.
机译：从许多南极和北极样品（企鹅群中收集的湖泊沉积物，水以及粪便，羽毛和土壤）中分离出了具有广谱抗菌潜能的多种抗精神病细菌菌株。来自所有类型样品的七种分离物均对耐多药病原性酵母念珠菌念珠菌NCIM 3471表现出明显的抗真菌活性。通过16S rDNA测序鉴定为企鹅粪肠球菌的一种粪便肠球菌，具有很强的抗真菌活性。对抗总共六种白色念珠菌菌株。在硫酸铵沉淀和透析后发现了抗生素活性，但对蛋白水解酶敏感。

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  • 来源
    《Polar biology》 |2011年第1期|p.139-143|共5页
  • 作者

    Raeesh M. Shekh; P. Singh; S. M. Singh; Utpal Roy;

  • 作者单位

    Biological Sciences Group, Birla Institute of Technology & Science (BITS), Pilani K K BIRLA Goa Campus, Goa 403 726, India;

    Biological Sciences Group, Birla Institute of Technology & Science (BITS), Pilani K K BIRLA Goa Campus, Goa 403 726, India;

    Polar Biology Laboratory, National Centre for Antarctic and Ocean Research, Sada-Headland, Vasco-da-Gama, Goa 403 804, India;

    Biological Sciences Group, Birla Institute of Technology & Science (BITS), Pilani K K BIRLA Goa Campus, Goa 403 726, India;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    16s rDNA; antimicrobial activity; antarctica; candidiasis; inhibition zone;

    机译：16s rDNA;抗菌活性南极洲;念珠菌病抑制区;

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