Fig. 3: Genome organization and whole-genome comparison of Nitratiruptor temperate phages (left) and their genome-based phylogenetic tree (right).

Arrows represent predicted genes and coding directions. Colors show different functional groups of gene products: red, integration; light blue, genetic switch, replication and recombination; green, packaging; orange, structural protein; pink, cell lysis; purple, other function; and gray, unknown. Gene homology between temperate phages was visualized by the degree of sequence identity between a pair of NrS-2 and NrS-3 shared 100% identical sequences except for two varied regions (black bar). The genomes of NrS-4 and NrS-5 were 100% identical to each other. The phylogenetic tree was constructed by VICTOR using the complete genome sequences of these temperate phages. Colors indicate the classification at the species and family level.