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Bacteria resisting viral infection can still sink carbon to ocean floor

January 2, 2026

Bacteria resisting viral infection can still sink carbon to ocean floor

Overhead view of a circular ocean-sampling instrument array being lowered into the sea from a ship.
Tara Oceans Consortium researchers launch a rosette sampler to collect seawater.  Tara Oceans global studies led to a finding that viruses best predict carbon flux to the deep sea. The Ohio State study used a model system to evaluate mechanisms underlying those patterns and predictions.Photo: Maéva Bardy, Tara Ocean Foundation  

Study explores ecological effects of phage resistance in marine setting

Marine bacteria are key to determining whether carbon is recycled near the ocean surface or transported to deeper waters, but many operate in constant threat of being infected by viruses called phages, and mutate to fend off those infections.