title: Virus evolution: fitting lifestyles to a T.
abstract: The structure of a double-stranded RNA virus outer shell has revealed unexpected similarities with virions of positive-strand RNA viruses. These similarities intersect with emerging parallels in RNA replication to create intriguing evolutionary possibilities.
authors.affiliation: Howard Hughes Medical Institute and Institute for Molecular Virology, University of Wisconsin, Madison, WI, USA. ahlquist@wisc.edu
authors.forename: Paul
authors.initials: P
authors.lastname: Ahlquist
mesh_terms: D005075:Biological Evolution; D018059:Birnaviridae / Q000737:chemistry; D002213:Capsid / Q000737:chemistry; D012330:RNA, Double-Stranded; D014771:Virion / Q000502:physiology; D018406:Virus Physiological Phenomena; D014779:Virus Replication / Q000502:physiology; D014780:Viruses / Q000737:chemistry*
chemical_list: D012330:RNA, Double-Stranded