LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
IBDV subviral particle, molecular model. IBDV (infectious bursal disease virus) is an avian virus that infects the bursa of Fabricius (specialised bird immune organ) in young chickens. It can cause high mortality rates by causing susceptibility to secondary infections. This subviral particle is assembled from the structural protein VP2. In viruses, the capsid is the protein shell that encloses the genetic material. This subviral particle is smaller than the capsid (virus protein shell) and has dodecahedral symmetry. It acts as an antigen, and is studied to help understand the immunology of the virus.
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