期刊
CARBOHYDRATE POLYMERS
卷 284, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2022.119189
关键词
Salt stress; Defense mechanism; Chitosan in Plant stress; Chitosan nanoparticles in plant stress tolerance; Functionalized chitosan nanaoparticles in plant; stress; Polymers in secondary metabolites under plant
资金
- National Research Foundation (NRF) - Korean Government (MEST) [2019R1I1A1A01063845]
- National Foundation of Korea (NRF) - Ministry of Education [2020R1A6A1A06046728]
- Vinnova - Sveriges innovationsmyndighet [2020-00792]
- Novo Nordisk Foundation [NNF20OC0064547]
- National Research Foundation of Korea [2019R1I1A1A01063845] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This research review discusses the effects of chitosan, chitosan nanoparticles, and modified chitosan biomaterials on plant growth parameters, enzymes, and gene expression under salt stress. The study suggests that chitosan nanoparticles and modified chitosan biomaterials have a greater potential for improving plant function under salinity stress compared to chitosan.
Chitosan being non-toxic, biocompatible, and biodegradable gained considerable interest among agriculturists. Our research review discusses about the role of Cs, chitosan nanoparticles (CsNPs), and modified chitosan biomaterials (CsBMs) under salt stress to improve growth parameters such as plant height, weight, stem width, fruit yield, pigments such as chlorophyll a, b, total chlorophyll, and carotenoid contents, as well as antioxidant and non-antioxidative enzymes. Upon Cs treatment and salt stress, total aminoacids (TAA), glutamic acids, and gamma-aminobutyric acid (GABA) were increased. Furthermore, Cs activated SOS1 pathway and increased various gene transcripts involved in sodium compartmentalization, proton motive force, energy production, and phenol metabolism. On the other hand, CsNPs and modified CsBMs treated plants under salinity stress increased indole terpene alkaloid metabolism, defense related genes, decreased ROS production by enhancing JA signaling, increased essential oil, anthocyanins, membrane stability, alkaloids, and diterpene glycosides. This is the first review that specifically brings insights about the physiological and biochemical parameters of the plants by comparing Cs/CsNPs/modified CsBMs treatment options under salt stress and encourages the use of CsNPs and modified CsBMs compared to Cs for better plant function under salinity stress.
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