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首页> 外文期刊>Biology Bulletin >Biodiversity and Activity of the Microbial Community in the Kotelnikovsky Hot Springs (Lake Baikal)
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Biodiversity and Activity of the Microbial Community in the Kotelnikovsky Hot Springs (Lake Baikal)

机译：科特尔尼科夫斯基温泉（贝加尔湖）中微生物群落的生物多样性和活动

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摘要

Complex microbiological and chemical analyses of water and bacterial mats were performed in the Kotelnikovsky Hot Springs (Lake Baikal). Transmission electron microscopy demonstrated that short rods about 1.2-2 μm in diameter predominated in the natural microbial community. Scanning electron microscopy coupled with chemical analysis revealed a characteristic P peak in the bacteria-like mineral particles, which suggests their biogenic origin. Most strains of the thermophilic microorganisms were gram-positive spore-forming rods and can be assigned to the genus Bacillus. Assays for potential enzyme activity demonstrated that most of the strains tested were active at high temperature. The data obtained suggest high activity of the bacte-rial community in situ and its particular role in the functioning of the hydrothermal ecosystem.
机译：在Kotelnikovsky温泉（贝加尔湖）中对水和细菌垫进行了复杂的微生物和化学分析。透射电子显微镜表明，直径约1.2-2μm的短棒在自然微生物群落中占主导地位。扫描电镜和化学分析相结合，在细菌样矿物质颗粒中发现了一个特征性的P峰，表明它们的生物起源。嗜热微生物的大多数菌株是革兰氏阳性孢子形成棒，并且可以归属于芽孢杆菌属。潜在酶活性的测定表明，大多数测试菌株在高温下均具有活性。所获得的数据表明，原住民细菌群落的活跃性及其在热液生态系统功能中的特殊作用。

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