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Fig. 7 | Microbiome

Fig. 7

From: Sulfur-cycling chemolithoautotrophic microbial community dominates a cold, anoxic, hypersaline Arctic spring

Fig. 7

Model for a hypothetical sulfur-cycling microbial community similar to the GH microbial community in a theoretical Martian environment such as subsurface sulfate brines. Putative Martian sources of energy and carbon are indicated in red. SRBs refer to S-reducing bacteria and SOBs refers to S-oxidizing bacteria. The asterisk indicates phototrophic metabolism, which would be relevant only in very near-surface or surface environments on ancient Mars

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