Broad-spectrum fungicides targeting fusarium chitin biosynthesis
Exploring a novel approach to develop broad-spectrum fungicides through molecular modeling and dynamics to target chitin synthase in resistant Fusarium spp., aiming to enhance crop protection by overcoming fungicide resistance.
Overview
This research focuses on developing broad-spectrum fungicides targeting chitin biosynthesis in Fusarium species, particularly Fusarium oxysporum and Fusarium graminearum, which are known for their virulence and resistance to conventional fungicides. Utilizing a molecular modeling and dynamics-guided approach, the study aims to identify potent inhibitors that can effectively combat these challenging plant pathogens, thereby enhancing crop protection and yield.
Technical specifications
The core technology involves a computational screening process using a database of over 20 million compounds to identify inhibitors of chitin synthase types I-VII in Fusarium spp. The screening employs the ELIXIR-A algorithm for pharmacophore modeling, molecular docking, and molecular dynamics simulations to assess binding affinities and stability. Key findings include the identification of compounds such as M-371, which showed a significant docking score improvement over existing controls, indicating strong inhibitory potential. The study also involves ADMET optimization for bioavailability, toxicity, and selectivity, along with biophysical binding assays and in vitro testing to confirm efficacy.
Technology readiness level
The research has reached Technology Readiness Level 4, indicating that the core technology has been validated in a lab environment. Future work involves further optimization and testing to advance the development of these fungicides for commercial applications.
About Texas A&M University, College Station
Texas A&M University in College Station is a comprehensive public research university and the flagship of The Texas A&M University System, combining broad academic strengths with a strong applied‑research culture. Industry collaborates on the Texas A&M‑RELLIS campus—an integrated education, research and testing environment that supports large‑scale experimentation and proving grounds—and through the Texas A&M Transportation Institute’s facilities in Bryan‑College Station. A statewide extension network connects university expertise to companies and communities across all Texas counties, enabling rapid piloting and deployment. Research is supported by competitive federal funding from agencies such as NSF, NIH, DOE, USDA and DoD, alongside state and industry sponsorship. Texas A&M Innovation provides IP management, licensing and commercialization pathways across the system.
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