Infographic: Nitrogen-Fixing Bacteria Live Inside Seagrass Roots

Researchers can now explain how some marine plants obtain their nitrogen.

Rachael Moeller Gorman
Rachael Moeller Gorman

Rachael freelances for both scientific and lay publications, and loves telling the stories behind the science.

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A newly discovered bacterial species, Candidatus Celerinatantimonas neptuna, lives in the roots of a marine plant called Neptune grass. Ca. C. neptuna takes in nitrogen from the environment and converts it to ammonium, which it uses to make amino acids. The bacteria share both ammonium and amino acids with the seagrass, which provides sugar and GABA in exchange.


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