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Open Access Highly Accessed Research article

Giant viruses coexisted with the cellular ancestors and represent a distinct supergroup along with superkingdoms Archaea, Bacteria and Eukarya

Arshan Nasir, Kyung Mo Kim and Gustavo Caetano-Anolles*

BMC Evolutionary Biology 2012, 12:156  doi:10.1186/1471-2148-12-156

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