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Image for: Nitrogen inputs in the ancient ocean – underappreciated bacteria step into the spotlight


Fluorescence images of purple sulfur bacteria in freshwater Lake Cadagno (upper panels, in green and purple), and their single-cell nitrogen fixation activity measured with nanoSIMS (lower panels, warm colors indicate high activity).
Fluorescence images of purple sulfur bacteria in freshwater Lake Cadagno (upper panels, in green and purple), and their single-cell nitrogen fixation activity measured with nanoSIMS (lower panels, warm colors indicate high activity).

Miriam Philippi

Max-Planck-Institut für Marine Mikrobiologie/M. Philippi

(238 KB, 1007 x 1000 pixels)

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