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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.5
- 수록면
- 90 - 100 (11page)
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이 논문의 연구 히스토리 (2)
2018
Effect of Ascorbate on the Arsenic Uptake, ROS-scavenging Capacity, and Antioxidant Homeostasis in Rice
Ha-il Jung
,
Myung-Suk Kong
,
Mi-Jin Chae
외 3명
한국토양비료학회지
2018.05
학술저널
Effect of Ascorbate Application on the Arsenic Uptake and Oxidative Stress Responses in Rice Seedlings
Ha-il Jung
,
Myung-Suk Kong
,
Mi-Jin Chae
외 3명
한국토양비료학회 학술발표회 초록집
2018.05
학술대회자료
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Environmental pollution with arsenic (As) in croplands causes agricultural and health problems worldwide. Rice is an important crop in South Korea, and many studies have evaluated the relationship between As and glutathione (GSH) to alleviate As uptake from the soil into plants. However, information about the relationship between As and ascorbate (AsA) in rice seedlings is still limited with regard to As phytotoxicity. We therefore investigated changes in reactive oxygen species (ROS) and antioxidant levels in rice (Oryza sativa L. cv ‘Dasan’) seedlings with toxic As and/or AsA application. The exposure of rice seedlings to 15 μM As inhibited plant growth and resulted in increased contents of superoxide, hydrogen peroxide, and malondialdehyde, and induced As uptake by the roots and leaves. Application of AsA to As-exposed seedlings ameliorated As-induced oxidative stress by enhancing the capacity of AsA-GSH cycle in applied plants and increasing As transfer from the roots to leaves. These results suggest that AsA application alleviated As-induced oxidative damage by maintaining sufficient levels of AsA and GSH.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (29)
참고문헌 신청
Ahammed, G.J., S.P. Choudhary, S. Chen, X. Xia, K. Shi, Y. Zhou, and J. Yu. 2013. Role of brassinosteroids in alleviation of phenanthrene-cadmium co-contamination-induced photosynthetic inhibition and oxidative stress in tomato. J. Exp. Bot. 64:199-213.
Akram, N.A., F. Shafiq, and M. Ashraf. 2017. Ascorbic acid-a potential oxidant scavenger and its role in plant development and abiotic stress tolerance. Front. Plant Sci. 8:613.
Buege, J.A. and S.D. Aust. 1978. Microsomal lipid peroxidation. Methods Enzymol. 52:302-310.
Dave, R., R.D. Tripathi, S. Dwivedi, P. Tripathi, G. Dixit, Y.K. Sharma, P.K. Trivedi, F.J. Corpas, J.B. Barroso, and D. Chakrabarty. 2013. Arsenate and arsenite exposure modulate antioxidants and amino acids in contrasting arsenic accumulating rice (Oryza sativa L.) genotypes. J. Hazard. Mater. 15:1123-1131.
Elstner, E.F. and A. Heupel. 1976. Inhibition of nitrite formation from hydroxylammonium-chloride: a simple assay for superoxide dismutase. Anal. Biochem. 70:616-620.
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UCI(KEPA) : I410-ECN-0101-2018-523-002220874