Fig. 1

Phylogenetic trees constructed based on the nucleotide sequences of the L, M, and S genome segments of different reoviruses. Phylogenetic calculations were performed by using the maximum-likelihood method applying the best-fit models calculated for each gene. Classical and novel waterfowl-origin reoviruses and chicken-origin reoviruses are indicated as orange, green, and light blue rectangles, respectively, in the phylogenetic trees. The red solid circles indicate the MDRV-SH12 and MDRV-DH13 isolates described in this study. The scale bar is proportional to the genetic distance