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New research reveals that tiny ocean bacteria exchange genetic information with one another, even when widely separated, by a previously undocumented mechanism.
Scientists have discovered a gene-transfer mechanism in Prochlorococcus, the world’s most abundant photosynthetic organism, that may be key to its abundance and diversity. They have dubbed the agents that carry out this transfer “tycheposons.”
Professors of different disciplines at Clark University eye intersection of pandemic and race
David Goodsell/ProteinDatabase, CC BY-SA Editor’s note: In this interview, Nathan Ahlgren, assistant professor of biology at Clark University, uses 3D-printed models to explain what proteins do in viruses, how they interact with human cells, how the vaccine delivers mRNA into the cell, and how antibodies protect us. This follows an earlier article in which he explained what proteins are and the wide range of functions they have in the body. What do proteins do in a virus? What else is in a virus? All of life has proteins. So human cells have proteins, and the same is true for viruses, e...
A biologist explains where proteins come from and what role the 20,000 or so proteins in your body play in keeping you alive and kicking.