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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 170 - 174 (5page)
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초록· 키워드
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Environmental stresses caused by climate change, such as high temperature, drought and salinity severely impact plant growth and productivity. Among these factors, high temperature stress will become more severe during summer. In this study, we examined physiological and molecular responses of maize plants to high temperature stress during summer. Highest level of $H_2O_2$ was observed in maize leaves collected July 26 compared with June 25 and July 12. Results indicated that high temperature stress triggers production of reactive oxygen species (ROS) in maize leaves. In addition, photosynthetic efficiency (Fv/Fm) sharply decreased in leaves with increasing air temperatures during the day in the field. RT-PCR analysis of maize plants exposed to high temperatures of during the day in field revealed increased accumulation of mitochondrial and chloroplastic small heat shock protein (HSP) transcripts. Results demonstrate that Fv/Fm values and organelle-localized small HSP gene could be used as physiological and molecular indicators of plants impacted by environmental stresses.
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참고문헌 (16)
참고문헌 신청
Berry, J. / 1980 / Photosynthetic response and adaptation to temperature in higher plants / Annu. Rev. Plant Physiol. 31:491~543
Bita, C.E. / 2013 / Plant tolerance to high temperature in a changing environment: scientific fundamentals and production of heat stress-tolerant crops / Front Plant Sci 4:273
Downs, C.A. / 1998 / The mitochondrial small heat-shock protein protects NADH:ubiquinone oxidoreductase of the electron transport chain during heat stress in plants / FEBS Lett 430:246~250
Grover, A. / 1986 / Effect of temperature on photosynthetic activities of senescing detached wheat leaves / Plant Cell Physiol 27:117~126
Heckathorn, S.A. / 1998 / The small, methionine-rich chloroplast heat-shock protein protects photosystem II electron transport during heat stress / Plant Physiol 116:439~444
Bita, C.E. / 2013 / Plant tolerance to high temperature in a changing environment: scientific fundamentals and production of heat stress-tolerant crops / Front Plant Sci 4:273
Downs, C.A. / 1998 / The mitochondrial small heat-shock protein protects NADH:ubiquinone oxidoreductase of the electron transport chain during heat stress in plants / FEBS Lett 430:246~250
Grover, A. / 1986 / Effect of temperature on photosynthetic activities of senescing detached wheat leaves / Plant Cell Physiol 27:117~126
Heckathorn, S.A. / 1998 / The small, methionine-rich chloroplast heat-shock protein protects photosystem II electron transport during heat stress / Plant Physiol 116:439~444
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