Plant cell wall development and its function in abiotic stress
Plant cell wall is a kind of natural nanostructure,which is composed of cellulose,pectin,hemi-cellulose,lignin,and a little protein.In recent years,with the continuous development of plant functional genomics and imaging technology,cell wall biosynthesis,assembly and remodeling,and the function un-der abiotic stress have been further understood.Plant growth will be affected by various environmental factors,including high salt,high temperature,freezing,drought,heavy metal ions,and other abiotic stress-es.Based on existing research,this article reviews the structure of plant cell walls,the synthesis of each component,and key enzymes and transcription factors involved in the regulation.We also discuss how these abiotic stresses regulate the content and changes of cell wall components.The structure of the cell wall affects the mechanical properties of the cell wall and the signal response of the cell wall under stress.Fi-nally,the research trends of cell wall development and adversity adaptation mechanisms are prospected.
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