海洋极端环境微生物活动与油气资源关系-地球科学.PDF

32 6 ——— Vol.32　No.6 2 0 0 7 1 1 Earth Science— Journal of China University of Geosciences Nov.　2 0 0 7 王家生, 王永标, 李　清 中国地质大学生物地质与环境地质教育部重点实验室, 湖北武汉 430074 :, , . , 、、; ANME-2 、 ANME-1 .CH H S , 4 2 , , . , ., . :;;;. :P744.4 　　　　:1000-2383(2007)06-0781-08　　　　:2007-08-26 Potential Relationship between Extremophiles and Hydrocarbon Resources in Marine Extreme Environment WANG Jia-sheng, WANG Yong-biao, LI Qing Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, ChinaUniversity of Geosciences, Wuhan 430074, China Abstract:To understand the potential mechanism of marine extremophiles participating in the formation and the evolution of hydrocarbon resources in marine extreme environments, some typical kinds of extremophiles and their distributions in marine hydrothermal venting and cold venting are discussed and evaluated respectively.The potential relationship betw een extremo- phile activities and hydrocarbon resources in marine extreme environments are then discussed in details.It could be now pre- liminary concluded that archaea and bacteria are the tw o main kinds of extremophiles in marine extreme environments.The dominating microbial communities in hydrothermal venting are heterot rophic zymogens, sulphate reducers and methanogens, while the ANME-2 group (Methanosarcinales)surrounded by sulfate-reducing bacteria and ANME-1 group are dominated in cold venting.Marine extremophiles would be able to use CH and H S to synthesize energy for metabolism and to support 4 2 food chains for other unique macrobiota nearby, which together present a high abundance