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Molecular-genetic basis of cadmium tolerance and accumulation in higher plants

  • Published:
Russian Journal of Genetics: Applied Research

Abstract

Cadmium (Cd) is one of the most wide-ranging and dangerous pollutants for all living organisms, including plants. At present, intensive studies of the mechanisms of Cd accumulation in plant tissues and plant tolerance to its toxic effect are being performed. Data showed the variation in traits of tolerance to and accumulation of Cd in natural populations of both hyperaccumulator species and important crops. A series of mutants with changed sensitivity to this heavy metal was obtained. Several classes of proteins involved in cell responses to Cd ions were revealed in the past decade. The important role of microRNA in plant adaptation to Cd was recently demonstrated. Studies of molecular-genetic mechanisms of Cd tolerance and accumulation in plants are the theoretical basis for the development of technologies for phytoremediation of soils contaminated with heavy metals and provide for the breeding of crop varieties with reduced Cd accumulation.

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  1. All-Russia Scientific-Research Institute for Agriculture Microbiology, Russian Academy of Agriculture Sciences, St. Petersburg, Russia

    O. A. Kulaeva & V. E. Tsyganov

  2. St. Petersburg State University, St. Petersburg, Russia

    O. A. Kulaeva

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  1. O. A. Kulaeva
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  2. V. E. Tsyganov
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Original Russian Text © O.A. Kulaeva, V.E. Tsyganov, 2010, published in Ekologicheskaya Genetika, 2010, Vol. 8, No. 3, pp. 3–15.

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Kulaeva, O.A., Tsyganov, V.E. Molecular-genetic basis of cadmium tolerance and accumulation in higher plants. Russ J Genet Appl Res 1, 349–360 (2011). https://doi.org/10.1134/S2079059711050108

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