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Rhizoremediation of metals: harnessing microbial communities

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Abstract

With the increasing successful stories of decontamination, different strategies for metal remediation are gaining importance and popularization in developing countries. Rhizoremediation, is one such promising option that harnesses the impressive capabilities of microorganisms associated with roots to degrade organic pollutants and transform toxic metals. Since it is a plant based in-situ phytorestoration technique it is proven to be economical, efficient and easy to implement under field conditions.

Plants grown in metal contaminated sites harbor unique metal tolerant and resistant microbial communities in their rhizosphere. These rhizo-microflora secrete plant growth promoting substances, siderophores, phytochelators to alleviate metal toxicity, enhance the bioavailability of metals (phytoremediation) and complexation of metals (phytostabilisation). Selection of right bacteria/consortia and inoculation to seed/ roots of suitable plant species will widen the perspectives of rhizoremediation.

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Authors and Affiliations

  1. Trichy (ADAC&RI) Campus, Tamil Nadu Agricultural University, Navalur, Trichy, India

    S. P. B. Kamaludeen

  2. DEAN, School of Biotechnology, SRM University, Kattankulathur, Kanchipuram, India

    K. Ramasamy

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  1. S. P. B. Kamaludeen
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  2. K. Ramasamy
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Correspondence to S. P. B. Kamaludeen or K. Ramasamy.

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Kamaludeen, S.P.B., Ramasamy, K. Rhizoremediation of metals: harnessing microbial communities. Indian J Microbiol 48, 80–88 (2008). https://doi.org/10.1007/s12088-008-0008-3

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