title: The electric picnic: synergistic requirements for exoelectrogenic microbial communities.
abstract: Characterization of the various microbial populations present in exoelectrogenic biofilms provides insight into the processes required to convert complex organic matter in wastewater streams into electrical current in bioelectrochemical systems (BESs). Analysis of the community profiles of exoelectrogenic microbial consortia in BESs fed different substrates gives a clearer picture of the different microbial populations present in these exoelectrogenic biofilms. Rapid utilization of fermentation end products by exoelectrogens (typically Geobacter species) relieves feedback inhibition for the fermentative consortia, allowing for rapid metabolism of organics. Identification of specific syntrophic processes and the communities characteristic of these anodic biofilms will be a valuable aid in improving the performance of BESs.
authors: Department of Civil and Environmental Engineering, H2E Center, 131 Sackett Building, The Pennsylvania State University, University Park, PA 16802, USA.
authors: Patrick D
authors: PD
authors: Kiely
authors: John M
authors: JM
authors: Regan
authors: Bruce E
authors: BE
authors: Logan
mesh_terms: D019342:Acetic Acid / Q000378:metabolism; D001674:Bioelectric Energy Sources; D018441:Biofilms; D020148:Butyric Acid / Q000378:metabolism; D002482:Cellulose / Q000378:metabolism; D004560:Electricity; D055664:Electrochemical Techniques; D004566:Electrodes; D000431:Ethanol / Q000378:metabolism; D005285:Fermentation; D005561:Formates / Q000378:metabolism; D045302:Geobacter / Q000378:metabolism; D005947:Glucose / Q000378:metabolism; D019344:Lactic Acid / Q000378:metabolism; D059013:Microbial Consortia; D011422:Propionates / Q000378:metabolism; D014873:Water Pollutants / Q000378:metabolism
chemical_list: D005561:Formates; D011422:Propionates; D014873:Water Pollutants; C030544:formic acid; D020148:Butyric Acid; D019344:Lactic Acid; D000431:Ethanol; D002482:Cellulose; D005947:Glucose; C029658:propionic acid; D019342:Acetic Acid