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Physiological and molecular aspects of salt stress in plants

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Abstract

The study of salt stress mechanisms in plants has become an important issue for the modern agricultural development, climate change, and global food crisis. The plant response to high salt concentrations is complex and comprehensive; it includes many different processes, which should be correctly coordinated. The effect of excessive salt concentrations on plants results in osmotic stress and creates an ionic inbalance due to the accumulation of toxic ions, such as Cl− and, especially, Na+. Salt stress also has negative impact on mineral homeostasis, in particular Ca2+ and K+. The progress in transcryptomics, genomics, and molecular biology revealed a new gene families that participate in the formation of salt stress response in plants. This review describes the fundamental principles and mechanisms of plant salt tolerance, maintenance of ion homeostasis. In this paper the detailed analysis of the maine transport membrane systems responsible for the transport of ions and their role in plant salt stress were conducted. The perspectives and directions for the further biotechnological and genetic improvement of salt tolerance in plants are underlied.

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  1. Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Kyiv, Ukraine

    S. V. Isayenkov

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Original Ukrainian Text © S.V. Isayenkov, 2012, published in Tsitologiya i Genetika, 2012, Vol. 46, No. 5, pp. 50–71.

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Isayenkov, S.V. Physiological and molecular aspects of salt stress in plants. Cytol. Genet. 46, 302–318 (2012). https://doi.org/10.3103/S0095452712050040

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