Genomic Landscape and Regulation of RNA Editing in Pekin Ducks Susceptible to Duck Hepatitis A Virus Genotype 3 Infection
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View abstract on PubMed
Summary
This summary is machine-generated.RNA editing dynamically alters gene expression, influencing duck susceptibility to duck hepatitis A virus type 3 (DHAV-3). These RNA editing events impact viral infection outcomes and host resistance mechanisms.
Area Of Science
- Molecular Biology
- Virology
- Genetics
Background
- RNA editing is a crucial post-transcriptional mechanism impacting viral infections by altering RNA stability and protein recoding.
- Duck hepatitis A virus type 3 (DHAV-3) poses a significant threat to the Asian duck industry, but the role of RNA editing in host response is unknown.
Purpose Of The Study
- To investigate the dynamic landscape of RNA editing events in Pekin ducks during DHAV-3 infection.
- To elucidate the functional roles of RNA editing in differential susceptibility and resistance to DHAV-3.
Main Methods
- Profiling of RNA editing sites in liver tissues of DHAV-3-susceptible and -resistant ducklings at multiple time points.
- Analysis of differential RNA editing sites (DRESs) and their enrichment in specific biological pathways.
- Prediction and experimental validation of RNA editing effects on miRNA-mRNA interactions and protein sequences.
Main Results
- Identified 11,067 informative RNA editing sites, with DRESs dynamically changing during infection.
- DRESs were significantly enriched in genes involved in vesicle-mediated transport and immune pathways.
- RNA editing in 3'-UTRs altered miRNA-mRNA interactions, affecting gene expression; DRESs in coding sequences modified vital viral infection proteins.
Conclusions
- Dynamic RNA editing plays a significant role in modulating physiological responses to viral infections in Pekin ducks.
- RNA editing contributes to the differential susceptibility and resistance observed in ducks infected with DHAV-3.
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