What is it about?
Respiratory syncytial virus (RSV) is a major cause of serious breathing illness, especially in infants and older adults. In this study, we show that RSV uses a clever survival strategy: it creates “secret hideouts” inside infected cells, called inclusion bodies (IBs), where it can stay hidden from the body’s defenses.
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Why is it important?
"secret hideouts" called Inclusion Bodies (IBs) structures behave like small, liquid droplet-like condensates formed through liquid-liquid phase separation (LLPS). By trapping the viral double-stranded RNA (dsRNA) genome within these dense, protected compartments, RSV effectively "masks" its presence. This physical shielding prevents the cell’s antiviral “radar” system—the OAS–RNase L pathway—from detecting and destroying the viral genome, allowing the virus to replicate undisturbed.
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This page is a summary of: Liquid-liquid phase separation mediated immune evasion of respiratory syncytial virus against oligoadenylate synthetase-RNase L pathway, PLoS Pathogens, March 2026, PLOS,
DOI: 10.1371/journal.ppat.1014089.
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