Current understanding of the interplay between phytohormones and photosynthesis under environmental stress

Mayank Anand Gururani, Tapan Kumar Mohanta, Hanhong Bae

Research output: Contribution to journalReview articlepeer-review

85 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)19055-19085
Number of pages31
JournalInternational journal of molecular sciences
Volume16
Issue number8
DOIs
Publication statusPublished - Aug 13 2015
Externally publishedYes

Keywords

  • Environmental stress
  • Photosystem II
  • Photosystem II (PSII) repairing system
  • Phytohormones
  • Stress tolerance

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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