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Codon Optimization> | … 2.2. Plasmid construction and transformation. For CoryneBrick vectors, the xpkA gene from A. nidulans (Papini et al., 2012) and the fxpk gene from Bifidobacterium adolescentis (Bogorad et al., 2013) were synthesized (Genscript, USA) with codon-optimization for C. glutamicum … | Get A Quote |
Xylose-negative Corynebacterium glutamicum has been engineered to utilize xylose as the sole carbon source via either the xylose isomerase (XI) pathway or the Weimberg pathway. Heterologous expression of xylose isomerase and overexpression of a gene encoding for xylulose kinase enabled efficient xylose utilization. In this study, we show that two functionally-redundant transcriptional regulators (GntR1 and GntR2) present on xylose repress the pentose phosphate pathway genes. For efficient xylose utilization, pentose phosphate pathway genes and a phosphoketolase gene were overexpressed with the XI pathway in C. glutamicum. Overexpression of the genes encoding for transaldolase (Tal), 6-phosphogluconate deh... More