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Interactions of chromium with microorganisms and plants

Carlos Cervantes, Jesús Campos‐García, Silvia Devars, Félix Gutiérrez‐Corona, Herminia Loza‐Tavera, Juan Carlos Torres Guzmán, Rafael Moreno‐Sánchez

FEMS Microbiology Reviews · 2001 · 1,188 citationsOpen access

doi.org/10.1111/j.1574-6976.2001.tb00581.xFree full text

Abstract

Chromium is a highly toxic non-essential metal for microorganisms and plants. Due to its widespread industrial use, chromium (Cr) has become a serious pollutant in diverse environmental settings. The hexavalent form of the metal, Cr(VI), is considered a more toxic species than the relatively innocuous and less mobile Cr(III) form. The presence of Cr in the environment has selected microbial and plant variants able to tolerate high levels of Cr compounds. The diverse Cr-resistance mechanisms displayed by microorganisms, and probably by plants, include biosorption, diminished accumulation, precipitation, reduction of Cr(VI) to Cr(III), and chromate efflux. Some of these systems have been proposed as potential biotechnological tools for the bioremediation of Cr pollution. In this review we summarize the interactions of bacteria, algae, fungi and plants with Cr and its compounds.

Cite this paper

Cervantes, C., Campos‐García, J., Devars, S., Gutiérrez‐Corona, F., Loza‐Tavera, H., Guzmán, J. C. T., & Moreno‐Sánchez, R. (2001). Interactions of chromium with microorganisms and plants. FEMS Microbiology Reviews, 25(3), 335–347. https://doi.org/10.1111/j.1574-6976.2001.tb00581.x

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