@article{fdi:010049280, title = {{E}uprosterna elaeasa virus genome sequence and evolution of the {T}etraviridae family : emergence of bipartite genomes and conservation of the {VP}g signal with the ds{RNA} {B}irnaviridae family}, author = {{Z}eddam, {J}ean-{L}ouis and {G}ordon, {K}. {H}. {J}. and {L}auber, {C}. and {A}lves, {C}. {A}. {F}. and {L}uke, {B}. {T}. and {H}anzlik, {T}. {N}. and {W}ard, {V}. {K}. and {G}orbalenya, {A}. {E}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {T}etraviridae is a family of non-enveloped positive-stranded {RNA} insect viruses that is defined by the {T}=4 symmetry of virions. {W}e report the complete {E}uprostema elaeasa virus ({E}e{V}) genome sequence of 5698 nt with no poly({A}) tail and two overlapping open reading frames, encoding the replicase and capsid precursor, with similar to 67% amino acid identity to {T}hosea asigna virus ({T}a{V}). {T}he {N}-terminally positioned 17 k{D}a protein is released from the capsid precursor by a {NPGP} motif {E}e{V} has 40 nm non-enveloped isometric particles composed of 58 and 7 k{D}a proteins. {T}he 3'-end of {T}a{V}/{E}e{V} is predicted to form a conserved pseudoknot. {R}eplicases of {T}a{V} and {E}e{V} include a newly delineated {VP}g signal mediating the protein priming of {RNA} synthesis in ds{RNA} {B}irnaviridae. {R}esults of rooted phylogenetic analysis of replicase and capsid proteins are presented to implicate recombination between monopartite tetraviruses, involving autonomization of a sg{RNA}, in the emergence of bipartite tetraviruses. {T}hey are also used to revise the {T}etraviridae taxonomy.}, keywords = {{T}etraviridae ; {B}irnaviridae ; {I}nsect virus ; {G}enome sequence ; {P}ermuted ; {RNA}-dependent {RNA} polymerase ; {VP}g ; {J}elly-roll-based capsid ; {P}hylogeny ; {R}ecombination ; {T}axonomy}, booktitle = {}, journal = {{V}irology}, volume = {397}, numero = {1}, pages = {145--154}, ISSN = {0042-6822}, year = {2010}, DOI = {10.1016/j.virol.2009.10.042}, URL = {https://www.documentation.ird.fr/hor/fdi:010049280}, }