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Int. J. Mol. Sci. 2015, 16(8), 19055-19085; doi:10.3390/ijms160819055

Current Understanding of the Interplay between Phytohormones and Photosynthesis under Environmental Stress

School of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbook 712-749, Korea
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Academic Editor: Marcello Iriti
Received: 8 July 2015 / Revised: 30 July 2015 / Accepted: 11 August 2015 / Published: 13 August 2015
(This article belongs to the Special Issue Plant Molecular Biology)
View Full-Text   |   Download PDF [1128 KB, uploaded 13 August 2015]   |  

Abstract

Abiotic stress accounts for huge crop losses every year across the globe. In plants, the photosynthetic machinery gets severely damaged at various levels due to adverse environmental conditions. Moreover, the reactive oxygen species (ROS) generated as a result of stress further promote the photosynthetic damage by inhibiting the repair system of photosystem II. Earlier studies have suggested that phytohormones are not only required for plant growth and development, but they also play a pivotal role in regulating plants’ responses to different abiotic stress conditions. Although, phytohormones have been studied in great detail in the past, their influence on the photosynthetic machinery under abiotic stress has not been studied. One of the major factors that limits researchers fromelucidating the precise roles of phytohormones is the highly complex nature of hormonal crosstalk in plants. Another factor that needs to be elucidated is the method used for assessing photosynthetic damage in plants that are subjected to abiotic stress. Here, we review the current understanding on the role of phytohormones in the photosynthetic machinery under various abiotic stress conditions and discuss the potential areas for further research. View Full-Text
Keywords: environmental stress; phytohormones; photosystem II (PSII) repairing system; photosystem II; stress tolerance environmental stress; phytohormones; photosystem II (PSII) repairing system; photosystem II; stress tolerance
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gururani, M.A.; Mohanta, T.K.; Bae, H. Current Understanding of the Interplay between Phytohormones and Photosynthesis under Environmental Stress. Int. J. Mol. Sci. 2015, 16, 19055-19085.

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