Photomicrographs of a subseafloor thermophile isolated from deep-sea hydrothermal vent fluids. This organism eats sulfur and hydrogen and fixes its own carbon from carbon dioxide. (A, B) Scanning electron micrographs, and (C, D) transmission electron micrographs thin sections.

Photomicrographs of a subseafloor thermophile isolated from deep-sea hydrothermal vent fluids. This organism eats sulfur and hydrogen and fixes its own carbon from carbon dioxide. (A, B) Scanning electron micrographs, and (C, D) transmission electron micrographs thin sections. Image courtesy of Julie Huber.

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