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Physiology and biochemistry of reduction of azo compounds by Shewanella strains relevant to electron transport chain Hong YG; Gu JDAppl Microbiol Biotechnol 2010[Oct]; 88 (3): 637-43Azo dyes are toxic, highly persistent, and ubiquitously distributed in the environments. The large-scale production and application of azo dyes result in serious environmental pollution of water and sediments. Bacterial azo reduction is an important process for removing this group of contaminants. Recent advances in this area of research reveal that azo reduction by Shewanella strains is coupled to the oxidation of electron donors and linked to the electron transport and energy conservation in the cell membrane. Up to date, several key molecular components involved in this reaction have been identified and the primary electron transportation system has been proposed. These new discoveries on the respiration pathways and electron transfer for bacterial azo reduction has potential biotechnological implications in cleaning up contaminated sites.|Azo Compounds/*metabolism[MESH]|Biodegradation, Environmental[MESH]|Coloring Agents/*metabolism/toxicity[MESH]|Electron Transport[MESH]|Industrial Waste[MESH]|Oxidation-Reduction[MESH]|Shewanella/*metabolism/physiology[MESH]|Soil Pollutants/*metabolism/toxicity[MESH]|Water Pollutants, Chemical/*metabolism/*toxicity[MESH] |
