Heavy metal pollution is an important problem facing the whole world.With the rapid development of industry and the acceleration of urbanization,farmland soil in China has been polluted by many kinds of heavy metals.Melatonin is one of the natural indole molecules,which exists in almost all plants.Melatonin plays an important role in regulating plant growth and development and alleviating various stresses from the growth environment.This paper summarizes the research progress on the role of plant melatonin in alleviating heavy metal stress in plants in recent years,and analyzes the related mechanism,in order to provide reference and inspiration for future research.
plant melatoninresearch progresssynthetic pathwayheavy metal stressmitigation mechanism