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New yeast can ferment more sugar, make more cellulosic ethan
Date:6/7/2010

n the same way as the other four sugars except for the first two steps. Adding the fungus genes allowed the yeast to create necessary enzymes to get through those steps.

"This gave the yeast a new tool set," Sedlak said. "This gives the yeast the tools it needs to get arabinose into the chain."

The team's findings on acetic acid were published in the June issue of the journal FEMS Yeast Research. The findings on arabinose were published in the early online version of the journal Applied Microbiology and Biotechnology.

Mosier, Sedlak and Ho will continue to improve the yeast to make it more efficient during industrial ethanol production and more resistant to inhibitors. The. U.S. Department of Energy funded their research.


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Contact: Brian Wallheimer
bwallhei@purdue.edu
765-496-2050
Purdue University
Source:Eurekalert

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