AccessMedicine's Image of the Week: Adenovirus

From: Sherris Medical Microbiology, 7e: Respiratory Viruses

Virion structure of an adenovirus. The double-stranded DNA genome is covered with an icosahedral capsid composed of 252 subunits (capsomeres), including 240 hexons and 12 pentons and fibers. The penton on the surface of the capsid contains a base and a projecting fiber that varies in length among serotypes. The fiber is modified by addition of glucosamine and interacts with the receptor on host cells.

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