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| Hong,Min Jeong; Kim,Dae Yeon; Ahn,Joon-Woo; Kang,Si-Yong; Seo,Yong Weon; Kim,Jin-Baek. |
| Abstract We aimed to investigate the biological responses induced by acute and chronic gamma irradiation in colored wheat seeds rich in natural antioxidants. After acute and chronic irradiation, the phenotypic effects on plant growth, germination rate, seedling height, and root length were examined, and the biochemical changes were investigated by analyzing the expression of antioxidant enzyme-related genes, antioxidant enzyme activities, and total antioxidant capacity. High dosages of chronic radiation reduced plant growth compared with the controls. Electron spin resonance measurement and 2,2-diphenyl-1-picrylhydrazyl activity analysis showed lower amount of free radicals in colored wheat seeds on chronic irradiation with low dosage of gamma rays... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Acute irradiation; Chronic irradiation; Wheat; Electron spin resonance; Anthocyanin. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572018000400611 |
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| Hwang,Jung Eun; Hwang,Sun-Goo; Jung,In Jung; Han,Sung Min; Ahn,Joon-Woo; Kim,Jin-Baek. |
| Abstract Ionizing radiation has a substantial effect on physiological and biochemical processes in plants via induction of transcriptional changes and diverse genetic alterations. Previous microarray analysis showed that rice OsFBX322, which encodes a rice F-box protein, was downregulated in response to three types of ionizing radiation: gamma irradiation, ion beams, and cosmic rays. In order to characterize the radiation-responsive genes in rice, OsFBX322 was selected for further analysis. OsFBX322 expression patterns in response to radiation were confirmed using quantitative RT-PCR. Transient expression of a GFP-OsFBX322 fusion protein in tobacco leaf epidermis indicated that OsFBX322 is localized to the nucleus. To determine the effect of OsFBX322... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: F-box protein; Gamma-irradiation; Ionizing radiation; Rice; Transgenic plant. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572020000100304 |
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