从冰岛海底温泉中分离耐盐高温菌 Thermus spp.
Isolation of Halotolerant Thermus spp. from Submarine Hot Springs in Iceland.
机构信息
Institute of Biology, University of Iceland, IS-108 Reykjavik, Iceland.
出版信息
Appl Environ Microbiol. 1986 Dec;52(6):1313-6. doi: 10.1128/aem.52.6.1313-1316.1986.
Abstract
Thermophilic, aerobic bacteria of the genus Thermus were isolated from submarine alkaline hot springs in Iceland. Five submarine hot springs were sampled, and all had viable counts of Thermus spp. of about 10 CFU/ml. All submarine strains grew in the presence of NaCl at 3% or higher, but no strains from terrestrial hot springs would grow at concentrations higher than 1% NaCl. The growth rate of submarine Thermus strains was not stimulated by NaCl and was reduced at NaCl concentrations higher than 1%. The pattern of growth of these isolates on single carbon sources was similar to that of terrestrial isolates.
摘要
从冰岛海底碱性热泉中分离到嗜热需氧菌属 Thermus 的细菌。对五个海底热泉进行了采样，所有热泉的 Thermus spp.活菌数约为 10 CFU/ml。所有海底菌株都能在 3%或更高浓度的 NaCl 存在下生长，但没有来自陆地热泉的菌株能在高于 1%NaCl 的浓度下生长。海底 Thermus 菌株的生长速度不受 NaCl 的刺激，而且在 NaCl 浓度高于 1%时会降低。这些分离株在单一碳源上的生长模式与陆地分离株相似。
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本文引用的文献
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Distribution of Thermus spp. in Icelandic Hot Springs and a Thermal Gradient.冰岛温泉及温度梯度中的 Thermus 属分布。
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