Response of Phenylpropanoid Pathway and the Role of Polyphenols in Plants under Abiotic Stress
By Anket Sharma, B. Shahzad, R. Bhardwaj, M. Landi, Bingsong Zheng. Molecules, 2019
1,662 citations recorded by the source corpus.
Phenolic compounds are an important class of plant secondary metabolites which play crucial physiological roles throughout the plant life cycle. Phenolics are produced under optimal and suboptimal conditions in plants and play key roles in developmental processes like cell division, hormonal regulation, photosynthetic activity, nutrient mineralization, and reproduction. Plants exhibit increased synthesis of polyphenols such as phenolic acids and flavonoids under abiotic stress conditions, which help the plant to cope with environmental constraints. Phenylpropanoid biosynthetic pathway is activated under abiotic stress conditions (drought, heavy metal, salinity, high/low temperature, and ultraviolet radiations) resulting in accumulation of various phenolic compounds which, among other roles, have the potential to scavenge harmful reactive oxygen species. Deepening the research focuses on the phenolic responses to abiotic stress is of great interest for the scientific community. In the present article, we discuss the biochemical and molecular mechanisms related to the activation of phenylpropanoid metabolism and we describe phenolic-mediated stress tolerance in plants. An attempt has been made to provide updated and brand-new information about the response of phenolics under a challenging environment.
Subfields: Biochemistry, Molecular Biology, Plant Science
View Paper: https://www.semanticscholar.org/paper/618f6590c07a37181e5991a4a5c47952a95f0f31
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Citations in the corpus
- Phytohormones Regulate Accumulation of Osmolytes Under Abiotic Stress (2019, background): “Plants alter various cellular and molecular processes in reaction to abiotic stresses that eventually mount their growth and development [16,17].”
- The Impact of Drought in Plant Metabolism: How to Exploit Tolerance Mechanisms to Increase Crop Production (2020, background): “Secondary metabolites are produced by plants in the attempt to respond to various environmental stresses [90,91].”