期刊
ARCHIVES OF AGRONOMY AND SOIL SCIENCE
卷 68, 期 2, 页码 283-296出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03650340.2020.1829599
关键词
Arbuscular mycorrhizal fungi; heavy metal; phytostabilization; phytoextraction; phytotransformation
资金
- Science and Engineering Research Board (SERB) [EEQ/2017/000476]
- FCT [SFRH/BPD/76028/2011]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/76028/2011] Funding Source: FCT
In recent years, contamination of soil with toxic metals has become a serious environmental problem. Phytoremediation, a promising eco-friendly technology, is limited by the time-consuming process and plants' limited metal tolerance and accumulation capacity. Arbuscular mycorrhizal fungi (AMF) are considered a significant part of phytoremediation systems due to their ability to mitigate metal toxicity, stimulate plant growth, and alter nutrient and heavy metal bioavailability in the soil ecosystem. This review summarizes the role of AMF in phytoremediation and the mechanisms by which they change plant metal uptake through various biogeochemical processes, and presents the findings of studies highlighting the benefits of AMF in metal phytoremediation.
In recent decades, contamination of soil with toxic metals has become a severe environmental problem. Although phytoremediation has emerged as a promising environment-friendly remediation technology, an exclusively derived process by plants alone is time-consuming and is restricted by their limited metal tolerance and accumulation capacity. As a natural bio-accelerator, arbuscular mycorrhizal fungi (AMF) are considered as a significant component of phytoremediation systems, due to their intrinsic ability to mitigate metal toxicity (bioalleviation), stimulate plant growth (biofertilization) as well as alter the nutrients and heavy metals (HMs) bioavailability in soil ecosystem. In the present review, considerable efforts have been made to elucidate the role of AMF in phytoremediation and the mechanisms used by AMF to change plant metal uptake through various biogeochemical processes, like metal detoxification, metal mobilization or immobilization, accumulation, transformation, and translocation. Moreover, we present a summary of the findings of various studies showing the benefits of AMF for metal phytoremediation.
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