Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 68, Issue 44, Pages 12203-12211Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.0c05316
Keywords
chitin; chitosan; chitooligosaccharides; structure-function relationship; plant growth stimulator; elicitor
Funding
- National Natural Science Foundation of China [41976096, 41406086]
- National Key R&D Program of China [2018YFC0311305]
- Key Research and Development Program of Shandong Province [2019YYSP028]
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Chitin and chitosan are natural polysaccharides with huge application potential in agriculture, such as promoting plant growth, eliciting plant resistance against biotic and abiotic stress, and activating symbiotic signaling between plants and beneficial microorganisms. Chitin and chitosan offer a sustainable alternative for future crop production. The bioactivities of chitin and chitosan closely depend on their structural factors, including molecular size, degree of acetylation, and pattern of acetylation. It is of great significance to identify the key fragments in chitin and chitosan chains that are responsible for these agricultural bioactivities. Herein, we review the recent progress in the structure-function relationship of chitin and chitosan in the field of agriculture application. The preparation of chitin and chitosan fragments and their action mode for plant protection and growth are also discussed.
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