Science Advances

Supplementary Materials

This PDF file includes:

  • Supplementary Materials and Methods
  • Section S1. Cell surface features and acid-base chemistry
  • Section S2. Cell-iron surface interaction and extended DVLO modeling
  • Section S3. Iron concentration and supply
  • Section S4. Physical separation of ferric iron oxyhydroxides and cellular biomass in an ocean setting
  • Section S5. Box model of Archean marine carbon and iron cycles
  • Section S6. Organic carbon burial and diagenesis
  • Table S1. Range of concentrations in the growth media used throughout experiments.
  • Table S2. Cell surface characteristics and cell-mineral interaction modeling.
  • Table S3. Modern and Archean Fe fluxes.
  • Table S4. Different scenarios of the physical separation model, with each case using a different water velocity.
  • Table S5. Data compilations for Fig. 1 and fig. S1.
  • Fig. S1. The redox state of iron in BIF through time where the red bars indicate the siderite-rich BIFs.
  • Fig. S2. Growth curve for C. phaeoferrooxidans strain KB01.
  • Fig. S3. Additional SEM and TEM images of strains KB01 and KoFox under two conditions.
  • Fig. S4. Surface charge of strains KB01 and KoFox.
  • Fig. S5. Additional cell surface characteristics for strain KoFox.
  • Fig. S6. Modeling the settling velocity of carbon and iron using a range of horizontal current velocities.
  • Fig. S7. Modeled weight % organic carbon in the coastal and open ocean sediments.
  • Fig. S8. Iron and carbon box model sensitivity results.
  • References (61103)

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