Figure 6.

Class Ia RNR protein phylogenies. Phylogenetic trees constructed by the Maximum likelihood method (PhyML) based on the aligned amino acid sequences of a)nrdA and b)nrdB. In both trees the collapsed clades include
    Aeromonas
    phage cluster 1
(Aeh1, phiAS5, and PX29),
    Aeromonas
    phage cluster 2
(25, 31, 44RR2.8 t, and phiAS4),
    Aeromonas
    spp.
(A. hydrophila and salmonicida),
    Bacillus
    phages
(SPO1 and 0305phi8-36),
    Campylobacter
    phages
(CP220 and Cpt10),
    Cyanophages
(Prochlorococcus phages P-HM1, P-HM2, P-RSM4, P-SSM2, P-SSM4, P-SSM7, Synechococcus phages S-CRM01, S-PM2, S-RSM4, S-ShM2, S-SM1, S-SM2, S-SSM5, S-SSM7, syn1, syn9, syn19, and syn33),
    Acinetobacter
    phages
(133, Acj61, and Acj9),
    Enterobacteria phage cluster 1
(JS98, JS10, and IME08),
    Enterobacteria phage cluster 2
(RB49, Phi1, and JSE),
    Enterobacteria phage cluster 3
(RB16 and RB43),
    Enterobacteria phage cluster 4
(EPS7, SPC35, and T5),
    Erwinia
    phages
(phiEa 104 and phiEa-214),
    Listeria
    phages
(P100 and A511), and
    Vibrio
    spp.
(V. cholerae and parahaemolyticus). The phages and bacterial hosts (both taxon labels and nodes) are color coded in green and red, respectively. The bootstrap values are shown for nodes with ≥ 70% support. The scale bar represents the number of amino acid substitutions per site.

Dwivedi et al. BMC Evolutionary Biology 2013 13:33   doi:10.1186/1471-2148-13-33
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