Sho Hirabayashi

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To improve ethanol production by Phanerochaete sordida YK-624, the pyruvate decarboxylase (PDC) gene was cloned from and reintroduced into this hyper lignin-degrading fungus; the gene encodes a key enzyme in alcoholic fermentation. We screened 16 transformant P. sordida YK-624 strains that each expressed a second, recombinant PDC gene (pdc) and then(More)
Rhodium-catalyzed asymmetric hydroarylation of diphenylphosphinylallenes with arylboronic acids proceeded in high yields with high regio- and enantioselectivity to give chiral allylphosphine oxides of up to 98% ee. The structural determination of the key intermediate, a pi-allylrhodium complex, was successful to establish the catalytic cycle of the reaction.
We generated an expression construct consisting of the xylose reductase (XR) gene (xr) from Phanerochaete chrysosporium. Transformant X7 exhibited increased xylitol production and markedly higher XR activities than the wild-type strain. RT-PCR analysis demonstrated that the increased XR activity was associated with constant expression of the recombinant xr(More)
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