Toru Jojima
United States Department of Agriculture
31 Papers
156 Citations
Toru Jojima is an academic researcher from United States Department of Agriculture. The author has contributed to research in topics: Corynebacterium glutamicum & Fermentation. The author has an hindex of 16, co-authored 30 publications.
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Papers
Improvement of the Redox Balance Increases l-Valine Production by Corynebacterium glutamicum under Oxygen Deprivation Conditions
Satoshi Hasegawa,Kimio Uematsu,Yumi Natsuma,Masako Suda,Kazumi Hiraga,Toru Jojima,Masayuki Inui,Hideaki Yukawa +7 more
TL;DR: The intracellular NADH/NAD+ ratio is the primary rate-limiting factor for l-valine production under oxygen deprivation conditions and by-products derived from pyruvate further decreased as a result of a feedback resistance-inducing mutation in the acetohydroxy acid synthase encoded by ilvBN.
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Simultaneous utilization of d -cellobiose, d -glucose, and d -xylose by recombinant Corynebacterium glutamicum under oxygen-deprived conditions
TL;DR: In both d-cellobiose and d-xylose utilization, the sugar consumption rates by genomic DNA-integrated strain were faster than those by plasmid-bearing strain, respectively.
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Engineering of pentose transport in Corynebacterium glutamicum to improve simultaneous utilization of mixed sugars
TL;DR: A platform strain, ACX-araE, for C. glutamicum-based mixed sugar utilization was designed, which simultaneously and completely consumed all sugars in mineral medium containing a sugar mixture of d-glucose, d-xylose, l-arabinose, and d-cellobiose under oxygen-deprived conditions.
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Engineering of sugar metabolism of Corynebacterium glutamicum for production of amino acid L-alanine under oxygen deprivation.
TL;DR: The results show promise for amino acid production under oxygen deprivation, indicating that oxygen deprivation engendered inefficient regeneration of NAD+ resulting in impaired GAPDH activity and reduced glucose consumption in the alanine-producing strains.
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Overexpression of Genes Encoding Glycolytic Enzymes in Corynebacterium glutamicum Enhances Glucose Metabolism and Alanine Production under Oxygen Deprivation Conditions
Shogo Yamamoto,Wataru Gunji,Hiroaki Suzuki,Hiroshi Toda,Masako Suda,Toru Jojima,Masayuki Inui,Hideaki Yukawa +7 more
TL;DR: Increase in glycolytic enzyme activities is a promising approach to make drastic progress in growth-arrested bioprocesses and reduction of the intracellular NADH/NAD+ ratio, which also plays an important role on the improvement of glucose consumption.
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