Biological Oceanography Research – Bacteria, Archaea, and Viruses

SAR11 marine bacteria with viruses - Morris

There are 1 million bacteria and 10 million viruses per 1 mL of seawater. The high level of genetic diversity and distinct evolution encompasses mostly uncultured species and groups that carry out important biogeochemical processes such as nitrogen cycling, methane production and sinks, and nutrient regeneration.