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Theomophage: massive, parallel phage outbreaks in cellulose-degrading compost microbial communities (Science Advances)

Meijer, Skiadas, Rainey, Hogeweg and Dutilh tracked viral dynamics in 20 compost-derived microbial communities over one year and observed massive, parallel outbreaks of Theomophage, a previously uncharacterized member of the Schitoviridae that reached up to 74% of metagenomic reads, the largest bacteriophage outbreak documented to date. Theomophage stayed genetically stable during outbreaks, but experimental migration of viral communities triggered rapid evolution through recombination and new mutations.

SourceScience Advances — Meijer et al. 2026