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[Carbohydrate metabolism and lactic acid biosynthesis of Lactococcus lactis subsp. lactis KLDS4.0325]
Objective:
We aimed to study the carbohydrate metabolism and lactic acid biosynthesis of Lactococcus lactis KLDS4. 0325.
Methods:
Whole genome shot gun strategy was used for genome sequencing of strain L. lactis KLDS 4. 0325. Then, using bioinformatics method, we compared a series of protein-coding genes involved in transporting extracellular carbohydrate, sugar metabolism and lactic acid biosynthesis of strain L. lactis KLDS4. 0325 with other 9 reference strains.
Results:
In L. lactis KLDS4. 0325 genome, where possesses more key enzyme coding genes related to the whole pathway of sugar metabolism than reference strains.
Conclusion:
In gene level, therefore, strain L. lactis KLDS4. 0325 shows a remarkable characteristic by utilizing various sugar to produce lactic acid, is a lactic acid bacteria with industrial potential of high yield L-lactic acid.
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