中国地质2023，Vol.50Issue(6)：1667-1677,11.DOI:10.12029/gc20210602003
黑龙江林甸地热田热水微生物多样性与群落结构分析
Analysis of microbial diversity and community structure in thermal waters from Lindian geothermal field,Heilongjiang Province
摘要
Abstract
This paper is the result of geothermal survey engineering. [Objective]Researches on microbial community in geothermal systems is key to indicate geochemical environment and evolution of thermal fluids.Previous researches have shown that the thermal water in Lindian geothermal field is highly reducing and is rich in methane.The objective of this paper is to characterize the microbial diversity and community structure of the thermal water.[Methods]A total of 9 thermal water samples were collected and tested during exploitation and non-exploitation periods,and the microbial diversity,community structure and functional genes of the samples were analyzed.[Results]The dominant bacterial genera in the thermal water is mainly Acinetobacter,which is different from most geothermal systems reported,but are similar to that of oil fields.The bacterial diversity of the thermal waters during the exploitation period and the non-exploitation period is significantly different,i.e.,the bacterial diversity in the non-exploitation period is higher than that in the exploitation period,while the archaeal diversity is not affected significantly by exploitation.The dominant archaea are mainly Euryarchaeota methanogens.Functional gene prediction of archaea shows that methane production in Lindian geothermal field is dominated by hydrogenotrophic methanogenesis,and secondarily by disproportionation of methyl groups and reduction of methyl compounds with H2.[Conclusions]The microbial diversity and community structure of the thermal waters from Lindian geothermal field is relatively unique,which is related to the high content of organic matters and thermal water exploitation.关键词
地热田/微生物多样性/群落结构/开采扰动/产甲烷作用/地热调查工程/林甸/黑龙江Key words
geothermal field/microbial diversity/community structure/disturbance by exploitation/methanogens/geothermal survy engineering/Lindian/Heilongjiang Province分类
生物科学引用本文复制引用
朱瑞杰,石宇佳,苏玉娟,周学军,詹涛,马永法,王旭,董俊领,刘玲,杨峰田,李栋..黑龙江林甸地热田热水微生物多样性与群落结构分析[J].中国地质,2023,50(6):1667-1677,11.基金项目
本文由国家自然科学青年基金项目(41202167)资助. Supported by the National Natural Science Foundation(Youth)(No.41202167). （41202167）
