Chitosan as an Elicitor in Plant Tissue Cultures: Methodological Challenges

Area of Science:

• Biotechnology
• Plant Science
• Biochemistry

Background:

• Chitosan (CTS) is a biodegradable biopolymer derived from chitin with significant biological activities.
• Its environmentally friendly nature makes it a promising agent for plant tissue culture applications.
• CTS functions as a biotic elicitor, stimulating plant defense mechanisms and secondary metabolite biosynthesis.

Purpose of the Study:

• To review and summarize methodological approaches for utilizing chitosan (CTS) in plant tissue culture elicitation.
• To highlight specific procedural features and challenges associated with CTS application.
• To provide insights into optimizing CTS-based elicitation for enhanced plant responses.

Main Methods:

• Literature review focusing on studies employing chitosan in plant tissue culture.
• Analysis of methodologies concerning CTS origin, molecular weight, and degree of deacetylation.
• Examination of CTS's role as a biotic elicitor in inducing plant growth and secondary metabolite production.

Main Results:

• Chitosan effectively enhances plant growth, seed germination, and secondary metabolite biosynthesis in vitro.
• The efficacy of CTS as an elicitor is influenced by its physicochemical properties (origin, MW, DD).
• Standardized methodologies are needed for consistent and reproducible results in CTS elicitation.

Conclusions:

• Chitosan is a valuable tool for plant tissue culture, offering a sustainable approach to enhance plant productivity.
• Understanding and controlling CTS properties are crucial for optimizing its elicitation effects.
• Further research into standardized protocols will facilitate wider adoption of CTS in plant biotechnology.