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Role of galK and galM in Galactose Metabolism by Streptococcus thermophilus |
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| Authors: | Katy Vaillancourt Nathalie Bdard Christian Bart Mlanie Tessier Gilles Robitaille Nathalie Turgeon Michel Frenette Sylvain Moineau and Christian Vadeboncoeur |
| Institution: | Katy Vaillancourt, Nathalie Bédard, Christian Bart, Mélanie Tessier, Gilles Robitaille, Nathalie Turgeon, Michel Frenette, Sylvain Moineau, and Christian Vadeboncoeur |
| Abstract: | Streptococcus thermophilus is unable to metabolize the galactose moiety of lactose. In this paper, we show that a transformant of S. thermophilus SMQ-301 expressing Streptococcus salivarius galK and galM was able to grow on galactose and expelled at least twofold less galactose into the medium during growth on lactose. |
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