Skip to main content
. 2016 Jun 30;6:29072. doi: 10.1038/srep29072

Figure 1. Previous model proposed for the evolution of type I and type III IFNs in vertebrates.

Figure 1

In this model, intronless type I IFNs were suggested to first appear in reptiles and diversify linearly in amniotes thereafter. Conversely, type III IFNs maintain highly conserved intron-containing gene structures and family numbers throughout vertebrates8.