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To develop a practical process for d‐valine preparation from dl‐valine, l‐valine was used as a sole source of carbon and nitrogen in basal minimal medium to isolate l‐valine‐degrading micro‐organisms. A yeast strain DLPU‐zpb was obtained, which showed asymmetric degrading activity against dl‐valine. Based on the morphology, physiological and biochemical characteristics, and 26S rDNA D1/D2 domain sequence,...
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