← Back to Communities

Chlamydomonas-Bacterial Hydrogen Production Consortium

Ecological State ENGINEERED
Environment laboratory bioreactor
ENVO:01001405
Source File Chlamydomonas_Bacterial_H2_Consortium.yaml

A synthetic algae-bacteria consortium for sustainable hydrogen production, composed of the green alga Chlamydomonas reinhardtii and three bacterial species: Microbacterium forte sp. nov., Bacillus cereus, and Stenotrophomonas goyi sp. nov. This mutualistic association produces up to 313 mL H2/L over 17 days in high-cell density cultures. M. forte is the primary bacterial species responsible for improving algal hydrogen production, while the complete bacterial community enhances and sustains photobiological H2 generation through metabolic cooperation.

Taxonomy

Taxon Ontology ID Functional Roles Abundance
Chlamydomonas reinhardtii NCBITaxon:3055
PRIMARY_PRODUCER
DOMINANT
Microbacterium forte NCBITaxon:2982533
SYNTROPHIC_PARTNER
ABUNDANT
Bacillus cereus NCBITaxon:1396
SYNTROPHIC_PARTNER
COMMON
Stenotrophomonas goyi NCBITaxon:3050471
SYNTROPHIC_PARTNER
COMMON

Ecological Interactions

Photosynthetic Hydrogen Production

COMMENSALISM

Source Taxon: Chlamydomonas reinhardtii

Metabolites: hydrogen (CHEBI:49637), oxygen (CHEBI:15379)

Biological Processes:

Downstream Effects:
→ Bacterial Enhancement of Algal H2 Production

Evidence

  • PMID:38159768 - SUPPORT (IN_VITRO)
    "Still, under non‑hydrogen producing conditions (aerobiosis) the Chlamydomonas-M"

Bacterial Enhancement of Algal H2 Production

MUTUALISM

Source Taxon: Microbacterium forte

Metabolites: mannitol (CHEBI:16899)

Biological Processes:

Evidence

  • PMID:38159768 - SUPPORT (IN_VITRO)
    "When incubated in mannitol- and yeast extract-containing medium, this bacterial community can promote and sustain algal hydrogen production up to 313 mL H2·L-1 for 17 days and 163.5 mL H2·L-1 for 25 days in high-cell (76.7 μg·mL-1 of initial chlorophyll) and low-cell density (10 μg·mL-1 of initial chlorophyll) algal cultures, respectively"

Environmental Factors

Factor Value Unit
Light continuous illumination N/A
Cell density 76.7 μg/mL chlorophyll (high) or 10 μg/mL (low) N/A
Medium composition mannitol and yeast extract N/A
Anaerobic conditions required for H2 production N/A