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Structure of a Myovirida bacteriophage Image credit: Wikimedia Commons / Chelsea Bonnain, Mya Breitbart and Kristen N. Buck (CC BY-SA 4.0) |
Viruses are found virtually everywhere, especially in the world’s oceans where their numbers are astounding. In just a few drops of surface seawater there can be as many as 10 to 100 million of them per milliliter. Marine microorganisms, including viruses, make up about 70% of the oceanic biomass, and all those tiny creatures together are called the marine microbiome. Biologists estimate marine viruses are in concentrations of approximately three billion per ounce of seawater.You can read all of this short article by clicking on "An Ocean of Viruses".
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