Phylogenic analysis of new viral cluster of large phages with unusual DNA genomes containing uracil in place of thymine in gene-sharing network, using phages S6 and PBS1 and relevant uncultured phages derived from sewage metagenomics

•Genome sequences of two dU jumbophages were determined.•Wastewater metagenomics identified the uncultured phage related to dU jumbophages.•dU jumbophages formed a new viral cluster in the gene-sharing network.•dU jumbophages were hypothesized to evolve from one ancestral smaller phage. Bacteriophag...

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