Immune defense genes in bacteria and archaea can identify viral proteins, a study finds, revealing similarities between the immune systems of prokaryotic and eukaryotic organisms.

A growing branch of research on how plants use exosomes to interact with their environment is opening up a new field of plant biology.

By combining experimental data with computer models, researchers were able to predict a pathogen’s evolution toward more virulence.

Virologists challenge the hypothesis that mimiviruses possess a nucleic acid defense mechanism.

A study suggests bats in Asia could have genes that protect them from the fungal infection that is decimating bat populations in North America.