, Silvia Faccini1
, Aurora De Mattia, Laura Baioni, Ilaria Barbieri, Carlo Rosignoli, Arrigo Nigrelli, and Emanuela Foni
Figure. Phylogenetic trees of the 7 genes of influenza D viruses obtained from 1 sow and 2 cattle in Italy (vertical bars) and comparison isolates retrieved from GenBank. A) Polymerase basic (PB) 2: 2,319 nt; B) PB1: 1,434 nt; C) P3: 2,133 nt; D) glycoprotein hemagglutininesterase: 1,995 nt; E) nucleoprotein: 1,659 nt; F) polymerase 42: 1,164 nt; G) nonstructural: 732 nt. Genes were trimmed and aligned, then phylogenetically analyzed by using the maximum-likelihood method. Sequences are listed by their host, country, strain name, and collection year. Scale bars indicate nucleotide substitutions per site.