CGI Factor Compositions for Fungal Conidial Germination Inhibition

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Solution Overview

Problem

There is a need for effective agents and compositions to control or inhibit the growth of fungal pathogens in various hosts, including plants and animals, to prevent fungal infections and associated economic losses.

Innovation Solution

The use of antifungal or fungicidal agents, specifically conidial germination-inhibiting (CGI) factors, CGI factor precursors, CGI factor fragments, or CGI factor motifs, which are applied to fungi, plants, or animals to decrease fungal growth or reproduction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional antifungal agents are used, then fungal growth can be inhibited, but resistance development and environmental harm occur

Engineering Contradiction:

Improvefungal growth inhibitionVSAvoidresistance development and environmental harm

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent identifies and utilizes the harmful alpha pheromone secreted by fungi as a beneficial antifungal agent. The pheromone, which normally promotes fungal mating and growth, is instead harnessed to inhibit conidial germination and suppress fungal pathogenicity when applied externally, converting a harmful fungal secretion into a useful control mechanism

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent employs an intermediary substance (the alpha pheromone itself or its analogs) that mediates between the fungus and the external environment. This intermediary blocks the fungal mating process and conidial germination without requiring external antifungal chemicals, thereby reducing resistance development and environmental harm

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If existing antifungal compositions are applied, then fungal infections can be treated, but the complexity of resistance management increases

Engineering Contradiction:

Improvefungal infection controlVSAvoidresistance management complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent enables the fungus to control itself by using its own secreted alpha pheromone as the antifungal agent. This self-service mechanism eliminates the need for complex external antifungal formulations and resistance management programs, as the pheromone naturally blocks conidial germination and fungal pathogenicity when applied from the external environment

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS20250287945A1Compositions for fungal control and related methods

Publication Date: 2025.09.18 FLAGSHIP PIONEERING INNOVATIONS VII LLC

AI summary

The disclosure provides conidial germination-inhibiting (CGI) factors, CGI factor precursors, CGI factor fragments, and CGI factor motifs and compositions including the CGI factors, CGI factor precursors, CGI factor fragments, and CGI factor motifs. The disclosure also provides recombinant DNA constructs and vectors encoding the CGI factors, CGI factor precursors, CGI factor fragments, and CGI factor motifs, and transgenic organisms including recombinant DNA constructs or vectors encoding the CGI factors, CGI factor precursors, CGI factor fragments, and CGI factor motifs. In addition, the disclosure provides methods of controlling or inhibiting fungal growth and infection, as well as methods of treating a fungal disease using the CGI factors, CGI factor precursors, CGI factor fragments, and CGI factor motifs.