Genome-Wide Protein Interaction Analysis in Parasitic Gyrodactylus Flatworms-Fish Hosts System and Drug Target...

Area of Science:

• Genomics
• Parasitology
• Drug Discovery

Background:

• Host-parasite interactions involve complex molecular crosstalk via protein-protein interactions (PPIs).
• High-quality genomic data for parasitic monogenean flatworms are limited, hindering drug target identification.
• Understanding these interactions is crucial for developing effective treatments.

Purpose of the Study:

• To generate a high-quality phased genome assembly for Gyrodactylus kobayashii.
• To identify novel drug targets and effective drugs against monogenean parasites.
• To elucidate protein-protein interactions between fish hosts and Gyrodactylus parasites.

Main Methods:

• Phased genome assembly using PacBio HiFi and Hi-C technologies.
• In silico analysis of Gyrodactylus species genomes to identify candidate drug genes.
• Drug screening and experimental verification of potential drug candidates.
• Prediction of protein-protein interactions in Gyrodactylus-host systems.

Main Results:

• Achieved the first high-quality phased chromosome-level genome assembly for monogeneans.
• Identified innexins as promising drug targets, with Imatinib showing 100% efficacy against G. kobayashii in vitro.
• Predicted key protein-protein interactions involving cAMP-dependent signaling pathways and identified specific interacting host and parasite proteins, including GNAO1 and GNB5.

Conclusions:

• This study provides a foundational genomic resource for monogeneans.
• Imatinib is a highly effective and low-toxicity drug candidate for treating Gyrodactylus infections.
• The identified PPIs offer new insights into host-parasite molecular mechanisms and potential therapeutic strategies.