CHANGES IN STRESS-RELATED ENZYME ACTIVITIES OF GREEN BEAN (PHASEOLUS VULGARIS L.) GENOTYPES IN RESPONSE TO HEAT STRESS
Cigdem Aydogan, Asli Tokyol, Ece Turhan, Bugse Seymen, Nermin Tugce Tacyildiz
Strony: 461-470
Opublikowano: 18 Jul 2017
Wyświetlenia: 2,661
Pobrania: 391
Citations: 2 (Google Scholar)
Citations: 2 (OpenAlex)
Streszczenie: The role of stress-related enzyme activities in response to high temperature tolerance of three green bean genotypes [‘Balkız’ (heat-sensitive), ‘Ferasetsiz’ and ‘Local Genotype’ (heat-tolerant)] was investigated in this study. The seedlings were grown until 3-4 trifoliate leaves stages under controlled conditions at 30/15ºC (day/night) temperature with %65 relative humidity then transferred to climate chamber to expose to heat stress. The temperature was increased stepwise to 35, 40, 45 and 50ºC for 24 hours. The activities of nicotinamide adenine dinucleotide phosphate [NAD(P)H] oxidase and antioxidative enzymes, catalase (CAT), ascorbate peroxidase (APX), glutathion reductase (GR) and isoperoxidase activities significantly varied depending on heat tolerance of genotypes. Besides one acidic and four basic isoperoxidases were determined with differing intensities between genotypes and high temperatures. As a result, NAD(P)H oxidase activity may involved in determining genotype sensitivity to heat stress, and antioxidative enzymes involved in heat stress tolerance in green bean plant.
Słowa kluczowe: antioxidant enzymes, high temperature, isoperoxidase, legumes, nad(p)h oxidase
Cytowanie artykułu: Cigdem Aydogan, Asli Tokyol, Ece Turhan, Bugse Seymen, Nermin Tugce Tacyildiz. CHANGES IN STRESS-RELATED ENZYME ACTIVITIES OF GREEN BEAN (PHASEOLUS VULGARIS L.) GENOTYPES IN RESPONSE TO HEAT STRESS. Journal of International Scientific Publications: Agriculture & Food 5, 461-470 (2017). https://www.scientific-publications.net/en/article/1001440/
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