University of North Texas researchers discover potential new pathways for plant-based bioproducts
May. 23, 2016
The UNT research team was working as part of the US Department of Energy's BioEnergy Science Center coordinated by the Oak Ridge National Laboratory.
The team looked into the roles of enzymes that convert amino acids into lignin in Brachypodium, a fast-growing model grass with a sequenced genome. Lignin is a substance that makes plants woody and firm, and, although it is an impediment to the processing of feedstocks for biofuels, it can be used to create a variety of bioproducts, including materials such as carbon fiber.
"As we studied the way different amino acids are converted to lignin, we found that there may be a new and unrecognized pathway for making lignin in grasses," said UNT Distinguished Research Professor Richard Dixon. "A new pathway means potential for engineering more lignin in plants that don't possess that pathway, as well as an additional way of modifying lignin in grasses. This provides new opportunities for the synthesis of high value, high volume bioproducts that could significantly improve the economics of the bioenergy industry."
Dixon is the director of UNT's BioDiscovery Institute, one of UNT's Institutes of Research Excellence.
The research was supported by a Barrie Foundation Fellowship, the University of North Texas, and the BioEnergy Science Center which is a U.S. Department of Energy Bioenergy Research Center supported by the Office of Biological and Environmental Research in the Department of Energy's Office of Science.
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