Speeding up tree growth is a reality

Researchers at the University of Georgia have discovered that manipulation of a specific gene in a hardwood tree species not only makes it easier to break down the wood into fuel, but also significantly increases tree growth.

In a recently published paper, the researchers describe how decreasing the expression of a gene called GAUT12.1 leads to a reduction in xylan and pectin. These are two major components of plant cell walls that make them resistant to the enzymes and chemicals used to extract the fermentable sugars used to create biofuels.

“This research gives us important clues about the genes that control plant structures and how we can manipulate them to our advantage,” said study co-author Debra Mohnen, a professor of biochemistry and molecular biology in the Franklin College of Arts and Sciences. 

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