An Integrated Approach to Pb Bioremediation: Role of Bacteria in Enhancing Phytoremediation

Luísa Andina Bender, Carolina Faccio Demarco, Simone Pieniz, Filipe Selau Carlos, Maurízio Silveira Quadro and Robson Andreazza ()
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Luísa Andina Bender: Engineering Center, Environmental Sciences Postgraduate Program, Federal University of Pelotas, Pelotas 96010-020, Rio Grande do Sul, Brazil
Carolina Faccio Demarco: Engineering Center, Environmental Sciences Postgraduate Program, Federal University of Pelotas, Pelotas 96010-020, Rio Grande do Sul, Brazil
Simone Pieniz: Engineering Center, Environmental Sciences Postgraduate Program, Federal University of Pelotas, Pelotas 96010-020, Rio Grande do Sul, Brazil
Filipe Selau Carlos: Engineering Center, Environmental Sciences Postgraduate Program, Federal University of Pelotas, Pelotas 96010-020, Rio Grande do Sul, Brazil
Maurízio Silveira Quadro: Engineering Center, Environmental Sciences Postgraduate Program, Federal University of Pelotas, Pelotas 96010-020, Rio Grande do Sul, Brazil
Robson Andreazza: Engineering Center, Environmental Sciences Postgraduate Program, Federal University of Pelotas, Pelotas 96010-020, Rio Grande do Sul, Brazil

Sustainability, 2025, vol. 17, issue 4, 1-18

Abstract: Lead (Pb) contamination poses significant ecological and health risks due to its persistence and toxicity. Bacterial-assisted phytoremediation has emerged as a promising, eco-friendly strategy for Pb removal. This review focuses on the integration of bacteria in phytoremediation, exploring the mechanisms and factors that influence the effectiveness of this process. Case studies demonstrate that bacterial inoculation can increase Pb accumulation in plant tissues, enhance biomass growth, and reduce Pb contamination. Finally, challenges related to field applications, microorganism tolerance, and environmental variability are discussed. This review provides valuable insights into improving phytoremediation efficiency, thus contributing to the remediation of Pb-contaminated environments.

Keywords: environmental biotechnology; microbial-assisted bioremediation; heavy metal detoxification (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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