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- Title
完全氨氧化菌的分子生态学研究进展.
- Authors
高复云; 李雅颖; 姚槐应
- Abstract
Nitrification is a key process in nitrogen cycling,which has received considerable attention in the research field of soil biochemistry. In 2015,the discovery of complete ammonia oxidizers (Comammox) challenged conventional two-step nitrification perspective, which represented a paradigm shift in the understanding of soil nitrogen cycling. Comammox are a group of microorganisms capable of conducting both steps of nitrification. In this review, we summarized current understanding of the molecular ecology of comammox, including specific molecular biomarkers for comammox, phylogenetic and genomic surveys of comammox and particularly the distribution, diversity and ecological significance of comammox in soil. Further studies should focus on: 1) designing specific molecular biomarkers to examine the distribution and diversity of comammox; 2) optimizing cultivation techniques to isolate/enrich comammox cultures and expending our insights into physiological traits of comammox; 3) characterizing their distribution and in situ activities to elucidate the contribution of comammox processes to soil nitrification and their ecological features, which may assist in uncovering the mechanisms of nitrogen cycling and promote the environmental protection of soil ecosystem.
- Subjects
SOIL biochemistry; SOIL protection; NITRIFICATION inhibitors; DNA primers; NITRIFICATION; NITROGEN cycle
- Publication
Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao, 2020, Vol 31, Issue 8, p2831
- ISSN
1001-9332
- Publication type
Article
- DOI
10.13287/j.1001-9332.202008.032