Maize CYP710A Gene Silencing for Phytosterol and Endosperm Hardness
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Solution Overview
Problem
Current methods for enhancing nutritional quality of grains, particularly in maize, face challenges in genetically improving healthy sterols and food grade quality, with existing approaches often requiring external supplementation and limited success in increasing phytosterols and hard endosperm.
Innovation Solution
The development of modified maize plants with reduced expression or activity of the CYP710A gene, achieved through targeted DNA modifications or silencing elements, to increase sitosterol levels and hard endosperm, thereby enhancing nutritional characteristics without external supplementation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If external supplementation methods are used to enhance nutritional quality, then phytosterol levels can be increased, but the process requires external supplementation and has limited success in increasing hard endosperm
Solution Approach 1:
The patent applies self-service by enabling the plant to autonomously produce increased phytosterol levels through genetic modification of its own metabolic pathways. The modified plants self-regulate phytosterol synthesis without requiring external supplementation, transforming the system from dependent to autonomous in achieving nutritional enhancement
Solution Approach 2:
The patent changes the genetic parameters of the plant by modifying specific genes involved in phytosterol biosynthesis. This genetic parameter change leads to altered metabolic output, naturally increasing phytosterol levels and hard endosperm characteristics without external intervention
2Quantity of substance
If genetic modification approaches are used to improve nutritional quality, then phytosterol synthesis can be enhanced, but the genetic and environmental factors create complexity in achieving consistent quality improvement
Solution Approach 1:
The patent extracts and isolates the specific genetic factors controlling phytosterol synthesis from the complex interplay of genetic and environmental factors. By identifying and modifying key genes responsible for phytosterol biosynthesis, the invention separates the controllable genetic element from uncontrollable environmental variables, enabling precise nutritional improvement
Solution Approach 2:
The patent performs preliminary genetic modification actions during plant breeding to establish lines with enhanced phytosterol synthesis capacity before environmental factors can influence the outcome. This advance genetic preparation ensures that subsequent environmental variations do not compromise the nutritional quality improvement
Data Source
AI summary
The disclosure relates to CYP710A genes associated with enhanced healthy sterols in plants. Also disclosed are plants comprising altered expression or activity of the CYP710A genes along with related methods for enhancing healthy sterols in plants. Also provided are oils and compositions containing altered sterol levels.