Cloning and overexpression of the DREB30 gene enhances drought and osmotic stress tolerance in transgenic potato

Potato is an extremely important food crop due to its high nutritional and economic value; however, this crop suffers losses due to water-deficient conditions. The aim of the study was to analyze the expression profiles of the StDREB30 gene and to study the enzymatic antioxidant system of transgenic...

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Veröffentlicht in:Journal of plant interactions 2024-12, Vol.19 (1)
Hauptverfasser: Ul Ain-Ali, Qurat, Munir, Faiza, Tahir, Muhammad, Amir, Rabia, Gul, Alvina
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Tahir, Muhammad
Amir, Rabia
Gul, Alvina
description Potato is an extremely important food crop due to its high nutritional and economic value; however, this crop suffers losses due to water-deficient conditions. The aim of the study was to analyze the expression profiles of the StDREB30 gene and to study the enzymatic antioxidant system of transgenic potatoes under water-deficient situations. The results depicted that following drought and 20% polyethylene glycol 6000 stresses, transgenic plants showed vigorous growth, increased antioxidant activities, low malondialdehyde, and enhanced differential expression of StDREB30 in transgenics compared to control plants. Results suggest that StDREB30 overexpression mitigated the negative effects of water-deficit treatments by reducing oxidative damage in plants. Hence, the StDREB30 gene retains extensive potential for crop bioengineering to generate highly tolerant crop plants. Transgenic potatoes overexpressing StDREB30 showed enhanced tolerance to water-deficient conditions. StDREB30 expression was almost 30, 5, and 3 folds higher in transgenic roots, shoots, and leaves respectively compared to non-transgenic plants after drought stress. StDREB30 expression was 10, 4, and 3 folds higher in transgenic roots, shoots, and leaves, respectively after 20% PEG stress. Transgenic plants showed vigorous growth, high antioxidant activities, and low lipid peroxidation activities in drought conditions. The StDREB30 gene is a promising candidate for developing elite cultivars of crop plants.
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subjects Abiotic stress
Agricultural production
Agronomy
antioxidant activities
Antioxidants
Bioengineering
Cloning
Crops
Damage tolerance
Drought
drought tolerance
Enzymes
Extreme values
Food
Genes
Nutrient deficiency
Osmotic stress
PEG stress
Physiology
Polyethylene glycol
potato transformation
Potatoes
Proteins
qRT PCR
Salinity
Signal transduction
StDREB30
Transcription factors
Transgenic plants
Water damage
title Cloning and overexpression of the DREB30 gene enhances drought and osmotic stress tolerance in transgenic potato
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