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Your search keyword '"Kuča, Kamil"' showing total 17 results
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17. The mechanism of arbuscular mycorrhizal fungi-alleviated manganese toxicity in plants: A review.

Author

Xu, Fu-Qi, Meng, Lu-Lu, Kuča, Kamil, and Wu, Qiang-Sheng

Subjects
*MANGANESE, *VESICULAR-arbuscular mycorrhizas, *IN situ remediation, *BIOSORPTION, *SOIL pollution, *HEAVY metals
Abstract

The development of the mining industry and the overuse of inorganic fertilizers have led to an excess of manganese (Mn) in the soil, thereby, contaminating the soil environment and people's health. On heavy metal-contaminated soils, the combined arbuscular mycorrhizal fungi (AMF)-phytoremediation technique becomes a hotspot because of its environmentally friendly, in situ remediation. AMF inoculation often leads to a decrease in host Mn acquisition, which provides a basis for its application in phytoremediation of contaminated soils. Moreover, the utilization value of native AMF is greater than that of exotic AMF, because native AMF can adapt better to Mn-contaminated soils. In addition to the fact that AMF enhance plant Mn tolerance responses such as regionalization, organic matter chelation, limiting uptake and efflux, and so on, AMF also develop plant-independent fungal pathways such as direct biosorption of Mn by mycorrhizal hyphae, fungal Mn transporter genes, and sequestration of Mn by mycorrhizal hyphae, glomalin, and arbuscule-containing root cortical cells, which together mitigate excessive Mn toxicity to plants. Clarifying AMF-plant interactions under Mn stress will provide support for utilizing AMF as a phytoremediation in Mn-contaminated soils. The review reveals in detail how AMF develop its own mechanisms for responding to excess Mn and how AMF enhance plant Mn tolerance, accompanied by perspectives for future research. [Display omitted] • AMF inoculation diversely affects host Mn levels, dominated by reduced Mn uptake. • Mn-contaminated soils reduce AMF diversity, along with Glomus as the dominant genus and native AMF more tolerant. • AMF enhances plant Mn tolerance such as regionalization and chelation. • AMF hyphae have direct biosorption and sequestration of Mn. • Fungal Mn transporters, glomalin, and arbuscule-contained cortical cells mitigate Mn. [ABSTRACT FROM AUTHOR]

Published
2024
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