NUDIX Overexpressing Plants for Phosphate Management

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Solution Overview

Problem

There is a phosphate crisis due to scarcity of phosphate in soils and excessive phosphorous pollution from agricultural fertilizers, necessitating improved compositions, methods, and techniques for enhanced phosphate utilization and management.

Innovation Solution

Engineered plants overexpressing NUDIX genes and enzymes, which increase phosphate accumulation, utilization, and management, potentially through modified gene expression, epigenetic modifications, or CRISPR-Cas systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If phosphate fertilizer is applied to agricultural land, then plant growth and phosphate availability are improved, but phosphorous pollution in aquatic environments increases

Engineering Contradiction:
Improvephosphate availabilityVSAvoidphosphorous pollution
Core Design Contradiction:
Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The plant is engineered to express NUDIX enzymes that actively uptake and concentrate phosphate from the soil environment, enabling the plant to serve its own phosphate needs without external fertilizer application. This self-service mechanism eliminates the need for excessive fertilizer use that causes pollution.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The invention changes the biochemical parameters of the plant by introducing modified NUDIX genes with enhanced enzymatic activity. This parameter change enables the plant to achieve superior phosphate uptake efficiency, allowing it to thrive in low-phosphate conditions without requiring fertilizer application.

Inventive Principle:
Principle #35Parameter changes

2Quantity of substance

If phosphate fertilizer is excessively applied, then phosphate availability to plants is improved, but phosphate leaching into aquatic environments increases

Engineering Contradiction:
Improvephosphate availability to plantsVSAvoidphosphate leaching
Core Design Contradiction:
Quantity of substanceVSLoss of substance

Solution Approach 1:

The engineered plant with overexpressed NUDIX enzymes performs self-service by actively scavenging phosphate from the soil, eliminating the need for external phosphate inputs and preventing the excess phosphate that would otherwise leach into water systems.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The plant is pre-equipped with enhanced NUDIX enzyme expression capability before phosphate application, enabling it to immediately and efficiently uptake any available phosphate, thereby preventing leaching before it can occur.

Inventive Principle:
Principle #10Preliminary action

3Quantity of substance

If NUDIX gene expression is increased, then phosphate accumulation and utilization are improved, but genetic modification complexity increases

Engineering Contradiction:
Improvephosphate accumulationVSAvoidgenetic modification complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The NUDIX enzyme serves multiple functions: it not only enhances phosphate uptake but also improves overall plant growth, phosphate utilization efficiency, and potentially stress tolerance. This multi-functionality justifies the genetic modification complexity by delivering multiple benefits simultaneously.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The engineered plants demonstrate enhanced phosphate accumulation and utilization, addressing the phosphate scarcity issue while potentially reducing phosphorous pollution through improved phytoremediation capabilities.

Implementation Method 1

increased activity of one or more NUDIX enzymes as compared to a suitable control

Methodology Applied
Scientific EffectEnzyme catalysis: Enzyme

Implementation Method 2

NUDIX overexpressing engineered plants... enhanced phosphate accumulation

Methodology Applied
Scientific EffectHydrolysis: Hydrolysis

Data Source

PatentUS20250154477A1Nudix overexpressing engineered plants and uses thereof
Publication Date: 2025.05.15 VIRGINIA TECH INTELLECTUAL PROPERTIES INC
  • US20250154477A1 patent drawing
  • US20250154477A1 patent drawing
  • US20250154477A1 patent drawing

AI summary

Described in several example embodiments herein are NUDIX overexpressing plants and uses thereof. In some embodiments, the NUDIX overexpressing plants are used for phytoremediation.