A Previously Uncharacterized, Nonphotosynthetic Member of the Chromatiaceae Is the Primary CO₂-Fixing Constituent in a Self-Regenerating Biocathode

Supplemental material

Files in this Data Supplement:

• Supplemental file 1 -

  Supplemental materials and methods, cyclic voltammetry (Fig. S1), chronoamperometry (Fig. S2), electrochemical measurements for biocathodes used for metaproteomics (Table S1), primers used for RT-PCR (Table S2), biocathode metagenomic sequence assembly (Table S3), taxonomic analyses of the biocathode biofilm (Table S4), relative abundance and taxonomic distribution of the biocathode community (Fig. S3), synteny of ACIII (Table S5), alignments (Fig. S4), distribution of cbb₃ type cytochrome c oxidase, subunit I (ccoN), among cluster genomes when the full ccoNOQP operon was present (Table S6), distribution of full-length cytochrome c peroxidase among cluster genomes (Table S7), evaluation of iron oxidation and electrode activity for biocathode isolates (Table S8), electrode activity of Marinobacter isolate CP1 and Labrenzia isolate CP4 compared to biocathode biofilm inoculation with or without 2 mM acetate (Fig. S5), organization of form I RubisCO and accessory genes from two contigs of the Chromatiaceae genome cluster (Fig. S6), EET rate estimates (Fig. S7), and EET rates (Table S9).

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• Supplemental file 2 -

  Data for KEGG identifiers (Data Set S1).

  XLSX, 20K

• Supplemental file 3 -

  Data for identified proteins (Data Set S2).

  XLSX, 153K

• Supplemental file 4 -

  Node_83 annotation (Data Set S3).

  XLSX, 48K