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Molecular Basis of Energy Crops Functioning in Bioremediation of Heavy Metal Pollution

Author

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  • Shuoqi Huang

    (Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province, School of Life Sciences, Heilongjiang University, Harbin 150080, China
    National Beet Medium-Term Gene Bank, Heilongjiang University, Harbin 150080, China
    These authors contributed equally to this work.)

  • Zhenqiang Lu

    (Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province, School of Life Sciences, Heilongjiang University, Harbin 150080, China
    These authors contributed equally to this work.)

  • Xiaoxin Zhao

    (National Beet Medium-Term Gene Bank, Heilongjiang University, Harbin 150080, China
    Key Laboratory of Sugar Beet Genetics and Breeding, Heilongjiang Province Common College/College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin 150080, China)

  • Wenbo Tan

    (National Beet Medium-Term Gene Bank, Heilongjiang University, Harbin 150080, China
    Key Laboratory of Sugar Beet Genetics and Breeding, Heilongjiang Province Common College/College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin 150080, China)

  • Hao Wang

    (National Beet Medium-Term Gene Bank, Heilongjiang University, Harbin 150080, China
    Key Laboratory of Sugar Beet Genetics and Breeding, Heilongjiang Province Common College/College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin 150080, China)

  • Dali Liu

    (National Beet Medium-Term Gene Bank, Heilongjiang University, Harbin 150080, China
    Key Laboratory of Sugar Beet Genetics and Breeding, Heilongjiang Province Common College/College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin 150080, China)

  • Wang Xing

    (National Beet Medium-Term Gene Bank, Heilongjiang University, Harbin 150080, China
    Key Laboratory of Sugar Beet Genetics and Breeding, Heilongjiang Province Common College/College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin 150080, China)

Abstract

Heavy metal pollution is a gradually growing environmental issue that hinders the growth and development of plants, and also destabilizes soil. Consequently, eco-friendly phytoremediation methods have gained traction, with energy crops emerging as a particularly effective solution. Energy crops not only provide high-quality plant materials for detoxification and remediation of heavy metal pollution, but also possess energy properties conducive to biofuel production. Therefore, this paper delves into the tolerance mechanism of energy crops towards heavy metal toxicity, elucidating processes such as root complex-mediated inhibition of metal migration and response to reactive oxygen species (ROS) through heavy metal-related proteins, enzyme systems, reactive nitrogen species (RNS), and hormones. Moreover, it summarizes the heavy metals remediation mechanisms of energy crops, including uptake, translocation, chelation, immobilization, and sequestration. This paper explores applications of energy crops in heavy metal pollution remediation, emphasizing the methods for efficient biochar remediation and biofuel generation. Furthermore, potential challenges in using energy crops for heavy metal pollution remediation are outlined. By systematically examining the function mechanisms and prospective applications of energy crops in heavy metal pollution bioremediation, this paper serves as a valuable reference for both research and practical implementation in this field.

Suggested Citation

  • Shuoqi Huang & Zhenqiang Lu & Xiaoxin Zhao & Wenbo Tan & Hao Wang & Dali Liu & Wang Xing, 2024. "Molecular Basis of Energy Crops Functioning in Bioremediation of Heavy Metal Pollution," Agriculture, MDPI, vol. 14(6), pages 1-19, June.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:6:p:914-:d:1411723
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    References listed on IDEAS

    as
    1. Jing Li & Haixin Yu & Yaning Luan, 2015. "Meta-Analysis of the Copper, Zinc, and Cadmium Absorption Capacities of Aquatic Plants in Heavy Metal-Polluted Water," IJERPH, MDPI, vol. 12(12), pages 1-16, November.
    2. Qinqin Xu & Boran Wu & Xiaoli Chai, 2022. "In Situ Remediation Technology for Heavy Metal Contaminated Sediment: A Review," IJERPH, MDPI, vol. 19(24), pages 1-15, December.
    3. Dana Chitimus & Valentin Nedeff & Emilian Mosnegutu & Narcis Barsan & Oana Irimia & Florin Nedeff, 2023. "Studies on the Accumulation, Translocation, and Enrichment Capacity of Soils and the Plant Species Phragmites Australis (Common Reed) with Heavy Metals," Sustainability, MDPI, vol. 15(11), pages 1-15, May.
    4. Mengke He & Junxing Yang & Guodi Zheng & Junmei Guo & Chuang Ma, 2023. "Comprehensive Evaluation of the Efficient and Safe Utilization of Two Varieties of Winter Rapeseed Grown on Cadmium- and Lead-Contaminated Farmland under Atmospheric Deposition," Sustainability, MDPI, vol. 15(15), pages 1-16, July.
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