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Utilization of glutamate accumulating bacterial cells for production of ribonucleotides
Abstract:
Corynebacterium glutamicum cells are industrially used for glutamate production. However, the waste that contains microbial cells, cellular debris, residual sugars, ammonia and metabolites seriously pollutes the environment. The cells are recovered and utilized for ribonucleotide production so that the pollution caused by the cells is eliminated. Nucleic acid is extracted from the cells and is hydrolyzed with nuclease P1 from Penicillium citrinum. The hydrolysate is fractionated with Dowex-50 and Dowex-1 into 5'-CMP, 5'-UMP, 5'-GMP and 5'-AMP. The products are characterized by electrophoresis, ultraviolet light absorbance, and 5'-nucleotidase.
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