期刊
MOLECULES
卷 24, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/molecules24132452
关键词
abiotic stress; anthocyanin; antioxidant; flavonoid; phenolic acid; polyphenol
资金
- National Key Research and Development Program of China [2018YFD1000600]
- Independent research topics of the State Key Laboratory of Subtropical Silviculture [ZY20180208, ZY20180308]
- Key Research and Development Program of Zhejiang Province [2018C02004]
- Key Project of Zhejiang Provincial Natural Science Foundation [LZ18C160001]
- Fruit Innovation Team Project of Zhejiang Province [2016C02052-12]
- National Undergraduate Innovation and Entrepreneurship Training Project [201610341010]
- Undergraduate Science and Technology Innovation Plan of Zhejiang Province [2017R412006]
- Undergraduate Research Training Program in Zhejiang A F University [102-2013200005, 102-2013200041, 102-2013200042, KX20180047, KX20180043, KX20180065]
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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