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DOI10.3389/fmicb.2022.994179
Bacterial community structure in geothermal springs on the northern edge of Qinghai-Tibet plateau
Zhang, Huai-sheng; Feng, Qing-da; Zhang, Ding-yue; Zhu, Gui-lin; Yang, Li
发表日期2023
EISSN1664-302X
卷号13
英文摘要Introduction:In order to reveal the composition of the subsurface hydrothermal bacterial community in the zones of magmatic tectonics and their response to heat storage environments. Methods:In this study, we performed hydrochemical analysis and regional sequencing of the 16S rRNA microbial V4-V5 region in 7 Pleistocene and Lower Neogene hot water samples from the Gonghe basin. Results:Two geothermal hot spring reservoirs in the study area were found to be alkaline reducing environments with a mean temperature of 24.83 degrees C and 69.28 degrees C, respectively, and the major type of hydrochemistry was SO4-Cl center dot Na. The composition and structure of microorganisms in both types of geologic thermal storage were primarily controlled by temperature, reducing environment intensity, and hydrogeochemical processes. Only 195 ASVs were shared across different temperature environments, and the dominant bacterial genera in recent samples from temperate hot springs were Thermus and Hydrogenobacter, with both genera being typical of thermophiles. The correlation analysis showed that the overall level of relative abundance of the subsurface hot spring relied on a high temperature and a slightly alkaline reducing environment. Nearly all of the top 4 species in the abundance level (53.99% of total abundance) were positively correlated with temperature and pH, whereas they were negatively correlated with ORP (oxidation-reduction potential), nitrate, and bromine ions. Discussion:In general, the composition of bacteria in the groundwater in the study area was sensitive to the response of the thermal storage environment and also showed a relationship with geochemical processes, such as gypsum dissolution, mineral oxidation, etc.
关键词geothermal springsenvironmental response characteristicsQinghai Tibet plateaubiogeochemistrymicroorganisms in extreme environments
英文关键词YELLOWSTONE-NATIONAL-PARK; COMPLETE GENOME SEQUENCE; HOT-SPRINGS; GONGHE BASIN; MICROBIAL COMMUNITIES; THERMUS-THERMOPHILUS; NITRATE RESPIRATION; SULFATE REDUCTION; TEMPERATURE; DIVERSITY
WOS研究方向Microbiology
WOS记录号WOS:000961210400001
来源期刊FRONTIERS IN MICROBIOLOGY
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/283051
作者单位Jiangsu Academy of Agricultural Sciences
推荐引用方式
GB/T 7714
Zhang, Huai-sheng,Feng, Qing-da,Zhang, Ding-yue,et al. Bacterial community structure in geothermal springs on the northern edge of Qinghai-Tibet plateau[J],2023,13.
APA Zhang, Huai-sheng,Feng, Qing-da,Zhang, Ding-yue,Zhu, Gui-lin,&Yang, Li.(2023).Bacterial community structure in geothermal springs on the northern edge of Qinghai-Tibet plateau.FRONTIERS IN MICROBIOLOGY,13.
MLA Zhang, Huai-sheng,et al."Bacterial community structure in geothermal springs on the northern edge of Qinghai-Tibet plateau".FRONTIERS IN MICROBIOLOGY 13(2023).
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