Author: Geoghegan, Jemma L.; Duchêne, Sebastián; Holmes, Edward C.
Title: Comparative analysis estimates the relative frequencies of co-divergence and cross-species transmission within viral families Document date: 2017_2_8
ID: 1u44tdrj_11
Snippet: Across the data set as a whole we found that all virus families displayed relatively large tree topological distances with nPH85 values of !0.6, suggesting that cross-species transmission is widespread, at least at the family-level (Fig 2; S3 Table) . While all families showed distances at the upper end of the scale, the Hepadnaviridae (double-stranded DNA) had the shortest distance (nPH85 = 0.6), indicating that this family experiences more freq.....
Document: Across the data set as a whole we found that all virus families displayed relatively large tree topological distances with nPH85 values of !0.6, suggesting that cross-species transmission is widespread, at least at the family-level (Fig 2; S3 Table) . While all families showed distances at the upper end of the scale, the Hepadnaviridae (double-stranded DNA) had the shortest distance (nPH85 = 0.6), indicating that this family experiences more frequent co-divergence than any other studied here. At the other end of the spectrum both the Rhabdoviridae and Picornaviridae (single-stranded RNA) displayed nPH85 > 0.97, indicative of frequent host switching and hence little evidence for virus-host co-divergence.
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