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Maximum likelihood trees of (A) yam matK & rbcL concatenated sequences from Enantiophyllum Dioscorea spp. where EGV1 and EGV2 were detected (branches with less than 50% bootstrap support have been collapsed) and (B) thirty-seven EGV1 and twenty EGV2 replication-associated protein gene (rep) nucleotide sequences derived from fourteen different yam species. Indicated in red are the positions of mutations that might impact Rep gene expression from some of the EGV sequences.
