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United States Department of Agriculture

Agricultural Research Service

Image Number D2234-1

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Image Number D2234-1

ARS molecular biologist Z. Lewis Liu holds a yeast genome microarray, or “gene chip.” Microarrays help Liu and his associates determine which genes, and networks of genes, enable next-generation biorefinery yeasts to tolerate stressful conditions and to efficiently ferment sugars from straw or other biomass to make cellulosic ethanol.


Photo by Scott Bauer.

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Last Modified: 7/26/2011