Mixed bacteria system, method for decomposing hemicellulose and method for producing alcohol
A hemicellulose and alcohol technology, applied in biochemical equipment and methods, enzymes, hydrolytic enzymes, etc., to achieve the best production efficiency and the effect of improving the biomass alcohol process
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[0025] The main method of the hemicellulolytic method provided by the present invention is to divide the yeast into several groups, wherein genes of different hemicellulolytic enzymes and anchor proteins can be fused and inserted into the genome of the yeast respectively, so that these groups Secretory expression of fusion proteins with different hemicellulolytic enzymes. The expressed fusion protein has an anchor protein part, which will be inserted into the surface of the yeast when it contacts the surface of the yeast, so that the hemicellulolytic enzyme is also fixed on the surface of the yeast. On the other hand, the remaining group can insert exogenous genes to express enzymes with five-carbon sugar fermentation function. Next, yeasts of all the above groups were co-cultured to form a mixed bacteria system. When the biomass material containing hemicellulose is added to the mixed bacteria system, the hemicellulose can be decomposed into five-carbon sugar by hemicelluloly...
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