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Figure 5 | Veterinary Research

Figure 5

From: Genetic grouping and geographic distribution of Piscine orthoreovirus-1 (PRV-1) in farmed Atlantic salmon in Norway

Figure 5

Phylogenetic analysis of S4 (σ1). Phylogenetic tree constructed from partial sequences of σ1 (aa 69–315) using neighbor joining (NJ). The analysis included 37 field isolates (black) and six reference isolates of known virulence (high virulent in red, low virulent in green). Bootstrap values were calculated from 1000 replicates and values above 70 were considered significant. The analysis did not reveal clustering with high enough bootstrap value to support distinct groups.

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