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2025 National Fusarium Head Blight Forum


Gene Discovery & Engineering Resistance (GDER)

Invited Presenter

An Overview of the GDER: Recent Accomplishments and Future Directions

Authors & Affiliations:

Harold N. Trick
1. Kansas State University, Department of Plant Pathology, Manhattan, KS
Corresponding Author: Harold Trick, hnt@ksu.edu

Presenting Author:

Trick, Harold
hnt@ksu.edu

Abstract:

The Gene Discovery and Engineering Resistance (GDER) research area is central to the USWBSI efforts to mitigate the threat of Fusarium Head Blight (FHB) by identifying novel genetic resistance mechanisms in wheat and barley. The GDER's primary focus is on understanding the molecular basis of host resistance and susceptibility and delivering new, validated gene variants for deployment in breeding programs. Past accomplishments have established potential new strategies and resources for FHB control. Key breakthroughs include the successful cloning of major resistance genes, such as Fhb1, providing crucial knowledge for marker-assisted selection, the introgression of novel sources of resistance, identification of susceptibility genes, and the development of gene editing tools to successfully validate the function of susceptibility genes. The GDER area has also invested in critical infrastructure, including specialized transformation facilities for both wheat and barley, to accelerate the testing and validating promising constructs. Future Directions should emphasize the transition from discovery to deployment and adoption. This will include increased coordination among GDER and other USWBSI research areas (such as VDHR and PBG) thereby promoting translational research pipelines from gene discovery to cultivar release.


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