High Abundance of Thaumarchaeota Found in Deep Metamorphic Subsurface in Eastern China
文献类型：期刊论文
| 作者 | Zhang, Wenhui; Hou, Weiguo; Zeng, Xiangzhi; Wang, Shang ; Dong, Hailiang
|
| 刊名 | MICROORGANISMS
 |
| 出版日期 | 2022-03 |
| 卷号 | 10期号:3页码:542 |
| 关键词 | SCIENTIFIC DRILLING PROJECT AMMONIA-OXIDIZING ARCHAEON SP-NOV. DIVERSITY OXYGEN BIODIVERSITY COMMUNITIES PROPOSAL FLUIDS ROCKS |
| 英文摘要 | Members of the Thaumarchaeota phylum play a key role in nitrogen cycling and are prevalent in a variety of environments including soil, sediment, and seawater. However, few studies have shown the presence of Thaumarchaeota in the terrestrial deep subsurface. Using high-throughput 16S rRNA gene sequencing, this study presents evidence for the high relative abundance of Thaumarchaeota in a biofilm sample collected from the well of Chinese Continental Scientific Drilling at a depth of 2000 m. Phylogenetic analysis showed a close relationship of these thaumarchaeotal sequences with known ammonia-oxidizing archaea (AOA) isolates, suggesting the presence of AOA in the deep metamorphic environment of eastern China which is believed to be oxic. Based on fluid geochemistry and FAProTax functional prediction, a pathway of nitrogen cycling is proposed. Firstly, heterotrophic nitrogen fixation is executed by diazotrophic bacteria coupled with methane oxidation. Then, ammonia is oxidized to nitrite by AOA, and nitrite is further oxidized to nitrate by bacteria within the phylum Nitrospirae. Denitrification and anaerobic ammonia oxidation occur slowly, leading to nitrate accumulation in the subsurface. With respect to biogeochemistry, the reaction between downward diffusing O-2 and upward diffusing CH4 potentially fuels the ecosystem with a high relative abundance of Thaumarchaeota. |
| 源URL | [https://ir.rcees.ac.cn/handle/311016/47793]  |
| 专题 | 生态环境研究中心_中国科学院环境生物技术重点实验室 |
| 通讯作者 | Hou, Weiguo |
| 作者单位 | 1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, CAS Key Lab Environm Biotechnol, Beijing 100085, Peoples R China 2.China Univ Geosci, Ctr Geomicrobiol & Biogeochem Res, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China 3.Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Wenhui,Hou, Weiguo,Zeng, Xiangzhi,et al. High Abundance of Thaumarchaeota Found in Deep Metamorphic Subsurface in Eastern China[J]. MICROORGANISMS,2022,10(3):542. |
| APA | Zhang, Wenhui,Hou, Weiguo,Zeng, Xiangzhi,Wang, Shang,&Dong, Hailiang.(2022).High Abundance of Thaumarchaeota Found in Deep Metamorphic Subsurface in Eastern China.MICROORGANISMS,10(3),542. |
| MLA | Zhang, Wenhui,et al."High Abundance of Thaumarchaeota Found in Deep Metamorphic Subsurface in Eastern China".MICROORGANISMS 10.3(2022):542. |
入库方式： OAI收割
来源：生态环境研究中心
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