Article
Enhancement of xylitol production by attenuation of intracellular xylitol dehydrogenase activity in Candida tropicalis.
Biotechnology letters - 1 Jun 2011
Ko Byoung Sam, Kim Dong-Min, Yoon Byoung Hoon, Bai Suk, Lee Hyeon Yong, Kim Jung Hoe, Kim Il-Chul
Abstract excerpt
To construct Candida tropicalis strains that produce a high yield of xylitol with no requirement for co-substrates, we engineered the yeast with an attenuated xylitol dehydrogenase (XDH) and then assessed the efficiency of xylitol production The mutants, strains XDH-5 (with only one copy of the XDH gene), and ARSdR-16 (with a mutated XDH gene) showed 70 and 40% of wild type (WT) XDH activity, respectively....
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