Molecular evidence for the evolution of ichnoviruses from ascoviruses by symbiogenesis Bigot, Yves ; Samain, Sylvie ; Augé-Gouillou, Corinne ; Federici, Brian A. Abstract Publication: BMC Ecology and Evolution Pub Date: 2008 DOI: 10.1186/1471-2148-8-253 Bibcode: 2008BMCEE...8..253B