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The Biosystems Design theme engineers microorganisms and plants to help overcome hurdles in health and sustainability.

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Researchers genetically engineered the metabolic pathways in yeast to produce oxalic acid, which can be used to extract free rare earth elements from low-grade ore. Graphic courtesy Dan Herchek/LLNL
Diwakar Shukla, professor of chemical and biomolecular engineering
Researchers used microbes to convert plastic waste into pyruvate, an essential energy source for microbes that use it to generate other useful products. As a proof-of-concept experiment, they converted polyethylene terephthalate, or PET, from plastic bottles into the blue dye indigoidine. Photo by Fred Zwicky
Soybean cyst nematode. Image credit Esmaeil Miraeiz.
The biocatalyst developed by Wei's laboratory enables the recovery of phosphate, a vital plant nutrient, from biorefinery wastewater. / Katie Brady
The research team included (from left) Postdoctoral Researcher Yujie Yuan, Professor of Chemical and Biomolecular Engineering Huimin Zhao, PhD student Wesley Harrison, Postdoctoral Researcher Zhengyi Zhang, and Postdoctoral Researcher Maolin Li (not pictured)