Pektin Methyltransferases and Their Applications

Simple SummaryContent extracted from patent full text and abstract with AI.

This invention provides the first identification and application of pectin methyltransferases (PMTs)—enzymes that add methyl groups to pectin molecules. The patent describes the creation of transgenic plants with either increased or decreased PMT activity, enabling the modification of plant pectin for various beneficial traits. It also covers methods for making modified pectin with enhanced methylation and using such pectins in food, pharmaceutical, or industrial products.

Use CasesContent extracted from patent full text and abstract with AI.

• Development of agricultural crops with improved pathogen resistance or herbicide tolerance.
• Control of fruit ripening and shelf-life to allow tailored harvest and extended storage or transport of fruits and vegetables.
• Modification of crop abscission and dehiscence processes (e.g., reducing premature fruit/seed drop or enabling easier mechanical harvesting).
• Production of customized, highly methylated pectins for the food industry (e.g., for gelling agents in jams, jellies, beverages, and dairy products).
• Creation of designer pectins for pharmaceutical applications, such as dietary fiber for health benefits, or pectin-based agents with anti-cancer/metastasis or cholesterol-lowering properties.
• Improvement of crop growth traits and water retention properties by genetic manipulation of cell wall composition.

BenefitsContent extracted from patent full text and abstract with AI.

• Enables precise genetic control over plant pectin structure, directly altering physical properties of the cell wall and the plant's response to environmental factors.
• Improved crop resistance to pathogens and herbicides leads to higher yields and reduced need for chemical inputs.
• Ability to modulate ripening, shelf life, and texture in fruits and vegetables improves market flexibility and reduces post-harvest losses.
• Custom-tailored pectins with desired gelling and stabilizing features expand uses and quality in processed foods and beverages.
• Potential for pectin-based pharmaceuticals targeting conditions such as cancer metastasis, diabetes, or high cholesterol.
• Allowing selective trait expression in targeted plant tissues minimizes off-target effects and preserves overall plant fitness.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to transgenic plants with reduced or enhanced pectin methyltransferases activity, methods for producing such plants and to their use as well as methods of producing modified pections and to compositions comprising such modified pectins.