期刊
TRENDS IN PLANT SCIENCE
卷 22, 期 8, 页码 661-673出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2017.05.004
关键词
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资金
- BBSRC [BB/N013484/1] Funding Source: UKRI
Although the global nitrogen (N) cycle is largely driven by soil microbes, plant root exudates can profoundly modify soil microbial communities and influence their N transformations. A detailed understanding is now beginning to emerge regarding the control that root exudates exert over two major soil N processes nitrification and N-2 fixation. We discuss recent breakthroughs in this area, including the identification of root exudates as nitrification inhibitors and as signaling compounds facilitating N-acquisition symbioses. We indicate gaps in current knowledge, including questions of how root exudates affect newly discovered microbial players and N-cycle components. A better understanding of these processes is urgent given the widespread inefficiencies in agricultural N use and their links to N pollution and climate change.
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