Strange microbe “breathes” nitrates using a mitochondria-like symbiont – Ars Technica

Enlarge/ The bacteria (yellow) live inside a larger eukaryotic cell.
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Deep in Switzerland’s Lake Zug swims a microorganism that has evolved a strange way to “breathe.” A team of researchers discovered a novel partnership between a single-celled eukaryotean organism with a clearly defined nucleus holding its genomeand a bacteria that generates energy for its host. But instead of using oxygen to do so, it uses nitrate.
This is a very weird,

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