San Diego, California & Cambridge, Massachusetts [RenewableEnergyAccess.com] Diversa Corporation and Celunol Corp. signed a definitive merger agreement to enter the emerging cellulosic ethanol industry. The combined company will be the first within the cellulosic ethanol industry to possess integrated end-to-end capabilities in pre-treatment, novel enzyme development, fermentation, engineering, and project development. It will seek to build a global enterprise as a leading producer of cellulosic ethanol and as a partner in bio-refineries around the world. The company will continue to pursue market opportunities for specialty industrial enzymes within the areas of alternative fuels, and other industries, with a focus on enzymes for the production of biofuels. The combined company will be headquartered in Cambridge, Massachusetts and have research and operations facilities in San Diego, California; Jennings, Louisiana; and Gainesville, Florida.