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. 2012 Aug 1;2(5):519–524. doi: 10.1016/j.coviro.2012.07.005

Figure 2.

Figure 2

Relationship between ssRNA virus genome size and the presence or absence of ExoN. The sizes of full viral genomes identified using the NCBI Viral Genome Resource [48] (with the exception of Yellow head virus strain YHV1999, GenBank ID: FJ848675.1) are plotted, and the average genome size per virus family or subfamily is shown as a horizontal black bar. Members of the order Nidovirales are denoted with an N, while the proposed new Nidovirales candidate family, Mesoniviridae [31], is denoted with an asterisk.