The increasing apprehension regarding heavy metal contamination from industrial, urban, and agricultural activities requires environmentally sustainable remedial techniques. This chapter examines the biological mechanisms that microorganisms and plants utilize for the heavy metal bioremediation. These mechanisms include biosorption, bioaccumulation, and enzymatic transformation in microorganisms. Additionally, plants employ phytoextraction, phytostabilization, and rhizofiltration. New ways to make bioremediation work better include symbiotic relationships between microbes and plants, synthetic biology, and using genetically modified organisms. We reviewed the practical uses and limitations of various bioremediation techniques, emphasizing their ability to achieve long-term environmental restoration.

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Bioremediation: Harnessing Nature’s Cleanup Crew for Metal Decontamination

  • Laura N. Afanador-Barajas,
  • L. Estefanía Contreras-Ordoñez,
  • Marycarmen Cortés-Hernández,
  • Gabriela Medina-Pérez

摘要

The increasing apprehension regarding heavy metal contamination from industrial, urban, and agricultural activities requires environmentally sustainable remedial techniques. This chapter examines the biological mechanisms that microorganisms and plants utilize for the heavy metal bioremediation. These mechanisms include biosorption, bioaccumulation, and enzymatic transformation in microorganisms. Additionally, plants employ phytoextraction, phytostabilization, and rhizofiltration. New ways to make bioremediation work better include symbiotic relationships between microbes and plants, synthetic biology, and using genetically modified organisms. We reviewed the practical uses and limitations of various bioremediation techniques, emphasizing their ability to achieve long-term environmental restoration.