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Response of Phenylpropanoid Pathway and the Role of Polyphenols in Plants under Abiotic Stress

Open access
Sharma, Anket, Shahzad, Babar, Rehman, Abdul, Bhardwaj, Renu, Landi, Marco, Zheng, Bingsong·2019·Molecules

Abstract

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.

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Metadata

Authors
Sharma, A., Shahzad, B., Rehman, A., Bhardwaj, R., Landi, M., & Zheng, B.
Venue
Molecules
Publisher
MDPI AG
Published
2019-07-04
Volume
24
Issue
13
Pages
2452
ISSN
1420-3049 (ISSN-L)
OpenAlex
W2953705934
Cited by
2,038
References
3
FWCI
119.17
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Response of Phenylpropanoid Pathway and the Role of Polyphenols in Plants under Abiotic Stress. https://app.cochat.ai/papers/10.3390/molecules24132452
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Sharma, A., Shahzad, B., Rehman, A., Bhardwaj, R., Landi, M., & Zheng, B. (2019). Response of Phenylpropanoid Pathway and the Role of Polyphenols in Plants under Abiotic Stress. Molecules. https://doi.org/10.3390/molecules24132452

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