Glutathione-induced drought stress tolerance in mung bean: coordinated roles of the antioxidant defence and methylglyoxal detoxification systems

K. Nahar,M. Hasanuzzaman,M. Alam,M. Fujita

Published 2015 in AoB Plants

ABSTRACT

Drought is considered one of the most acute abiotic stresses presently affecting agriculture. Plant tolerance to drought stress often depends on their tolerance against oxidative stress, which is acquired largely by strong antioxidant defense. In our paper we studied the glutathione-induced drought stress tolerance in Vigna radiata seedlings. Drought decreased growth, resulted in oxidative stress and increased methylglyoxal toxicity. But exogenous GSH enhanced components of the antioxidant system in drought-affected mung bean seedlings, which alleviated oxidative damage, up-regulated the glyoxalase system, reduced MG toxicity, and modulated the proline and water content, contributing to drought tolerance.

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