Anaerobic ammonium oxidation is a major N-sink in aquifer systems around the world
文献类型：期刊论文
| 作者 | Wang, Shanyun ; Zhu, Guibing; Zhuang, Linjie; Li, Yixiao; Liu, Lu; Lavik, Gaute; Berg, Michael; Liu, Sitong; Long, Xi-En; Guo, Jianhua
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| 刊名 | ISME JOURNAL
 |
| 出版日期 | 2020-01 |
| 卷号 | 14期号:1页码:151-163 |
| ISSN号 | 1751-7362 |
| 英文摘要 | Global-scale N-oxide contamination of groundwater within aquifers occurs due to the widespread use of N-bearing fertilizers and chemicals, threatening both human and environmental health. However, the conversion of these pollutants in active nitrogen (N) cycling processes in the subsurface biosphere still remains unclear. This study investigates the global occurrence of anaerobic ammonium oxidation (anammox) in aquifers, where anammox was found to be turned on and off between saturated and unsaturated soil horizons, and contributed 36.8-79.5% to N loss in saturated soil horizons, the remainder being due to denitrification which has traditionally been considered the main pathway for removal of N-pollutants from aquifers. Although anammox activity was undetectable in the unsaturated soil horizons, it could potentially be activated by contact with ascending groundwater. High-throughput pyrosequencing analysis identified Candidatus Brocadia anammoxidans as being the most abundant anammox bacterium in the saturated soils investigated. However, the anammox bacterial abundance was determined by the relative richness of Candidatus Jettenia asiatica. Isotopic pairing experiments revealed that coupling anammox with ammonium oxidation and respiratory ammonification enabled the formation of a revised N cycle in aquifer systems, in which respiratory ammonification acted as an important coordinator. Anammox can therefore contribute substantially to aquifer N cycling and its role in remediation of aquifers contaminated with N-oxides may be of global importance. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/45237]  |
| 专题 | 生态环境研究中心_中国科学院饮用水科学与技术重点实验室 |
| 推荐引用方式 GB/T 7714 | Wang, Shanyun,Zhu, Guibing,Zhuang, Linjie,et al. Anaerobic ammonium oxidation is a major N-sink in aquifer systems around the world[J]. ISME JOURNAL,2020,14(1):151-163. |
| APA | Wang, Shanyun.,Zhu, Guibing.,Zhuang, Linjie.,Li, Yixiao.,Liu, Lu.,...&Yin, Chengqing.(2020).Anaerobic ammonium oxidation is a major N-sink in aquifer systems around the world.ISME JOURNAL,14(1),151-163. |
| MLA | Wang, Shanyun,et al."Anaerobic ammonium oxidation is a major N-sink in aquifer systems around the world".ISME JOURNAL 14.1(2020):151-163. |
入库方式： OAI收割
来源：生态环境研究中心
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