Role of phytomelatonin responsive to metal stresses: An omics perspective and future scenario

被引：9
作者：
Ali, Skhawat [1 ,2 ]
Gill, Rafaqat Ali [3 ]
Shafique, Muhammad Sohaib [4 ]
Ahmar, Sunny [5 ]
Kamran, Muhammad [6 ]
Zhang, Na [1 ,2 ]
Riaz, Muhammad [7 ]
Nawaz, Muhammad [8 ]
Fang, Rouyi [1 ,2 ]
Ali, Basharat [8 ]
Zhou, Weijun [1 ,2 ]
机构：
[1] Zhejiang Univ, Inst Crop Sci, Hangzhou, Peoples R China
[2] Zhejiang Univ, Zhejiang Key Lab Crop Germplasm, Hangzhou, Peoples R China
[3] Chinese Acad Agr Sci, Oil Crops Res Inst, Minist Agr & Rural Affairs, Key Lab Biol & Genet Improvement Oil Crops, Wuhan, Peoples R China
[4] Chinese Acad Agr Sci, Inst Crop Sci, Beijing, Peoples R China
[5] Univ Silesia, Inst Biol Biotechnol & Environm Protect, Fac Nat Sci, Katowice, Poland
[6] Univ Adelaide, Sch Agr Food & Wine, Urrbrae, SA, Australia
[7] South China Agr Univ, Coll Nat Resources & Environm, Guangzhou, Guangdong, Peoples R China
[8] Khwaja Fareed Univ Engn & Informat Technol, Dept Agr Engn, Rahim Yar Khan, Pakistan
来源：
FRONTIERS IN PLANT SCIENCE | 2022年 / 13卷
关键词：
signaling molecule; sRNAs analysis; transcriptomics; genetic modification; ionomics; GROWTH-STIMULATING COMPOUND; TERM EXOGENOUS APPLICATION; INDUCED OXIDATIVE STRESS; INDUCED LEAF SENESCENCE; PLANT-GROWTH; MELATONIN IMPROVES; SALT TOLERANCE; HEAVY-METALS; ULTRASTRUCTURAL-CHANGES; TRANSCRIPTION FACTORS;
D O I：
10.3389/fpls.2022.936747
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A pervasive melatonin (N-acetyl-5-methoxytryptamine) reveals a crucial role in stress tolerance and plant development. Melatonin (MT) is a unique molecule with multiple phenotypic expressions and numerous actions within the plants. It has been extensively studied in crop plants under different abiotic stresses such as drought, salinity, heat, cold, and heavy metals. Mainly, MT role is appraised as an antioxidant molecule that deals with oxidative stress by scavenging reactive oxygen species (ROS) and modulating stress related genes. It improves the contents of different antioxidant enzyme activities and thus, regulates the redox hemostasis in crop plants. In this comprehensive review, regulatory effects of melatonin in plants as melatonin biosynthesis, signaling pathway, modulation of stress related genes and physiological role of melatonin under different heavy metal stress have been reviewed in detail. Further, this review has discussed how MT regulates different genes/enzymes to mediate defense responses and overviewed the context of transcriptomics and phenomics followed by the metabolomics pathways in crop plants.
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页数：16
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