title: Evolution: Endogenous Viruses Provide Shortcuts in Antiviral Immunity.
abstract: Endogenous viruses are occasionally co-opted by their hosts to combat other viruses. The discovery of the widespread recruitment of endogenous viruses as regulatory elements for immune genes points to a systematic evolutionary process in their co-option for host immunity.
authors.affiliation: Department of Zoology, University of Oxford, Oxford OX1 3PS, UK. Electronic address: aris.katzourakis@zoo.ox.ac.uk.
authors.forename: Aris
authors.initials: A
authors.lastname: Katzourakis
authors.affiliation: Department of Zoology, University of Oxford, Oxford OX1 3PS, UK.
authors.forename: Amr
authors.initials: A
authors.lastname: Aswad
mesh_terms: D006801:Humans; D014780:Viruses