Fig. 1: Growth curve of a Ca. Micrarchaeum harzensis-Ca. Scheffleriplasma hospitalis co-culture.

Depicted are the mean cell numbers of Ca. Micrarchaeum harzensis (empty squares) and Ca. Scheffleriplasma hospitalis (full squares) calculated via qPCR and the ferrous iron concentration (light grey circles) over time. Error bars show standard deviation of triplicates. Source data are provided as a Source Data file.