Xylulose kinase (xylB) and arabinose kinase (araK) mutants of Clostridium acetobutylicum and C. saccharobutylicum were investigated and compared to wild type strains, regarding their abilities to metabolize xylose, arabinose and glucose. To create mutants in C. saccharobutylicum, an effective triparental mating system for DNA transfer was developed, and additionally restrictase mutants were constructed and characterized. Furthermore, growth and gene expression of C. acetobutylicum in continuous fermentation on xylose were analyzed.
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Xylulose kinase (xylB) and arabinose kinase (araK) mutants of Clostridium acetobutylicum and C. saccharobutylicum were investigated and compared to wild type strains, regarding their abilities to metabolize xylose, arabinose and glucose. To create mutants in C. saccharobutylicum, an effective triparental mating system for DNA transfer was developed, and additionally restrictase mutants were constructed and characterized. Furthermore, growth and gene expression of C. acetobutylicum in continuous...
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