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. 2017 Sep 8;12(9):e0184490. doi: 10.1371/journal.pone.0184490

Fig 2. Median-joining network based on the complete G gene sequence from 294 IHNV isolates (transition/transversion bias = 4).

Fig 2

The country is indicated using a color code. The black triangles with the number 1 and 2 represent polytomy nodes (node 1 and 2). In accordance with a largely phylotemporal structure in the network, the black triangle with the number 1 (node 1) is surrounded by the oldest French isolate (X89213 from 1987, marked by an asterisk), Italian isolate (FJ711518 from 1987, marked by an asterisk), and the second eldest German isolate (LN897500 from 1993, marked by an asterisk). The E haplotypes are divided into two clades (the E1 and E2 clade). Isolate M is the outgroup in the network.