• Atelopus-zeteki@kbin.run
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    7 months ago

    UCYN-A (Candidatus Atelocyanobacterium thalassa) is a cyanobacterial symbiont of the unicellular algae Braarudosphaera bigelowii. And yes, it makes N2 into NH3, making that nitrogen fixed and available for B. bigelowii