The Role of Phyto-Melatonin and Related Metabolites in Response to Stress
Abstract
:1. Introduction
2. The Biosynthesis and Catabolism Pathway of Melatonin
3. Stress-Induced Melatonin Accumulation
4. Melatonin, its Precursors and Metabolites Conferring Plant Abiotic Stress Resistance
5. Melatonin and Its Precursors and Metabolites Play Key Roles in Plant Biotic Stress
6. Conclusions
Funding
Conflicts of Interest
Abbreviations
AFMK | N1-acetyl-N2-formyl-5-methoxyknuramine |
AMK | N-acetyl-5-methoxyknuramine |
2-ODD | 2-oxoglutarate-dependent dioxygenase |
ROS | reactive oxygen species |
SA | salicylic acid |
ET | ethylene |
JA | jasmonic acid |
TPH | tryptophan hydroxylase |
TDC | tryptophan decarboxylase |
T5H | tryptamine 5-hydroxylase |
SNAT | serotonin N-acetyltransferase |
ASMT | N-acetylserotonin methyltransferase |
COMT | caffeic acid O-methyltransferase |
AMK | N-acetyl-5-methoxyknuramine |
HIMOT | hydroxyindole-O-methyltransferase |
Cd | cadmium |
IDO | indoleamine 2,3-dioxygenase |
SOD | superoxide dismutase |
APX | ascorbate peroxidase |
CAT | catalase |
GPX | glutathione peroxidase |
ASA | antioxidants ascorbic acid |
GSH | glutathione |
DHAR | dehydroascorbate reductase |
MDHAR | monodehydroascorbate reductase |
Cd | cadmium |
Fv/Fm | maximal quantum yield of PSII photochemistry |
PCs | phytochelatins |
qP | photochemical quenching |
NPQ | nonphotochemical quenching |
PAMPs | pathogen-associated molecular patterns |
MAMPs | microbe-associated molecular patterns |
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Compounds | Stresses | Plant Species |
---|---|---|
melatonin | cold | Arabidopsis thaliana [17,18], Solanum lycopersicum [19,20], rice [21], Prunus persica [22], Citrullus lanatus [23], Triticum aestivum [24], and Cucumis sativus [25] |
melatonin | heat | Arabidopsis thaliana [26], Solanum lycopersicum [27,28], Lolium perenne [29], and Festuca arundinacea [30] |
melatonin | salt | Arabidopsis thaliana [31,32], Cucumis sativus [33], Citrullus lanatus [34], Helianthus annuus [35], and Zea mays [36] |
melatonin | drought | Arabidopsis thaliana [37], Malus zumi [38], Solanum lycopersicum [39], Zea mays [40,41], Triticum aestivum [42], and Medicago sativa [43] |
melatonin | heavy metal | rice [44,45,46], Solanum lycopersicum [47,48], Medicago sativa [49], Citrullus lanatus [50], and wheat [51] |
melatonin | pathogen | Arabidopsis thaliana [52,53,54], rice [55], Musa acuminate [56], potato [57], cassava [58], and Malus pumila [59] |
tryptamine | pathogen | rice [60] |
serotonin | salt | Helianthus annuus [61] |
Serotonin | radiation | Vicia faba [62] |
Serotonin | heavy metal | rice [44] |
N-acetylserotonin | pathogen | Arabidopsis thaliana [63] |
2-hydroxymelatonin | combination of cold and drought | rice [64] |
2-hydroxymelatonin | pathogen | Arabidopsis thaliana [63] |
Genetically Modified Plants | Melatonin Level (↑up↓down) | Stress Resistance |
---|---|---|
human SNAT/HIOMT overexpressed in Nicotiana sylvestris [82] | ↑ | increased resistance to UV-B radiation |
human SNAT overexpressed in transgenic rice [81] | ↑ | increased cold resistance |
Sheep HIOMT overexpressed in micro-tom tomato [83] | ↑ | increased resistance to drought |
SNAT knockout mutant Arabidopsis [84] | ↓ | increased the susceptibility to avirulent pathogen |
suppression of SNAT/ASMT in rice [85] | ↓ | increased the abiotic stress susceptibility |
maize ASMT overexpressed in Arabidopsis [37] | ↑ | enhanced drought tolerance |
tomato ASMT overexpressed in tomato [27] | ↑ | enhanced thermotolerance |
SNAT knockout mutant Arabidopsis [31] | ↓ | decreased salinity tolerance |
ovine AANAT/HIOMT overexpressed in switchgrass [86] | ↑ | improved salt-tolerance |
rice SNAT overexpressed in rice [46] | ↑ | conferred resistance to cadmium |
alfalfa SNAT overexpressed in Arabidopsis [49] | ↑ | conferred plant tolerance against cadmium |
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Yu, Y.; Lv, Y.; Shi, Y.; Li, T.; Chen, Y.; Zhao, D.; Zhao, Z. The Role of Phyto-Melatonin and Related Metabolites in Response to Stress. Molecules 2018, 23, 1887. https://doi.org/10.3390/molecules23081887
Yu Y, Lv Y, Shi Y, Li T, Chen Y, Zhao D, Zhao Z. The Role of Phyto-Melatonin and Related Metabolites in Response to Stress. Molecules. 2018; 23(8):1887. https://doi.org/10.3390/molecules23081887
Chicago/Turabian StyleYu, Yang, Yan Lv, Yana Shi, Tao Li, Yanchun Chen, Dake Zhao, and Zhiwei Zhao. 2018. "The Role of Phyto-Melatonin and Related Metabolites in Response to Stress" Molecules 23, no. 8: 1887. https://doi.org/10.3390/molecules23081887