The potential of species-specific tagatose-6-phosphate (T6P) pathway in Lactobacillus casei group for galactose reduction in fermented dairy foods

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• 作者：Qinglong Wu ; Nagendra P. Shah ; ^{npshah@hku.hk}
• 关键词：Comparative genomics ; Galactose catabolism ; Tagatose-6-phosphate pathway ; Phosphotransferase system ; Lactobacillus casei group
• 刊名：Food Microbiology
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：62
• 期：Complete
• 页码：178-187
• 全文大小：2653 K
• 卷排序：62

文摘

Comparative genomics identifies species-specific T6P pathway in Lb. casei group. β-Galactosidase activity was undetectable in Lb. casei group via ONPG assay. Lb. casei group catabolize lactose with little galactose accumulation in the media. Lb. casei group strains utilize galactose efficiently. T6P pathway is a major contributor for lactose/galactose catabolism in Lb. casei group.