This pathway map demonstrates the complexity of even a simple, widely utilized, and relatively well understood process such as glucose fermentation to ethanol. Glucose and ethanol are identified.
Credit or Source: E. Gasteiger et al., “Expasy: The Proteomics Server for In-Depth Protein Knowledge and Analysis,” Nucleic Acids Res. 31, 3784–88 (2003). Screenshot source: web.expasy.org/pathways/
U.S. DOE. 2006. Breaking the Biological Barriers to Cellulosic Ethanol: A Joint Research Agenda, DOE/SC/EE-0095, U.S. Department of Energy Office of Science and Office of Energy Efficiency and Renewable Energy. (p. 128) (website)
Prepared by the Biological and Environmental Research Information System, Oak Ridge National Laboratory, genomicscience.energy.gov/.