Discovery of Viable Methanotrophic Bacteria in Permafrost Sediments of Northeast Siberia
Discovery of Viable Methanotrophic Bacteria in Permafrost Sediments of Northeast Siberia
复制标题
在西伯利亚东北部的永久冻土沉积物中发现活的甲烷氧化细菌
DOI：
10.1023/a:1016025709833
复制
发表时间：
2002
影响因子：
--
通讯作者：
Y. Trotsenko
中科院分区：
文献类型：
--
作者：
V. Khmelenina;V. Makutina;M. Kalyuzhnaya;E. Rivkina;D. Gilichinsky;Y. Trotsenko
永久冻土地区约占俄罗斯国土面积的三分之二。人们发现，细分散的永久冻土岩是可行的需氧和厌氧微生物群落的特定天然储藏库[1, 2]。值得注意的是，多年冻土沉积物中的微生物总数仅比苔原土壤少一个数量级。此外，有证据表明，由于存在与土壤颗粒牢固结合的未冻水，适应寒冷的微生物的代谢活动保持在足够高的水平。例如，研究表明，在低至 –17°e 的零下温度下可以观察到一些微生物的代谢活动 [3, 4]。含碳气体 CH 的存在
Permafrost regions occupy some two thirds of Rus-sia. It was found that fine-dispersion permafrost rocksare specific natural depositories of viable aerobic andanaerobic microbial communities [1, 2]. It should benoted that, the total count of microorganisms in perma-frost sediments is only one order of magnitude less thanin tundra soils. Moreover, there is evidence thatbecause of the presence of unfrozen water stronglybound to soil particles, the metabolic activity of cold-adapted microorganisms is maintained at a sufficientlyhigh level. For example, it was shown that metabolicactivity of some microorganisms is observed at subzerotemperatures as low as –17°e [3, 4]. The presence ofcarbon-containing gases, CH
DOI：
10.1099/00207713-50-3-955
发表时间：
2000-05-01
影响因子：
2.8
作者：
Dedysh, SN;Liesack, W;Tiedje, JM
通讯作者：
Tiedje, JM