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Lactose transport in 3 morphological variants of Streptococcus thermophilus strain CNRZ 368



Lactose transport in 3 morphological variants of Streptococcus thermophilus strain CNRZ 368



Brief Communications of the XXIII International Dairy Congress, Montreal, October 8-12, 1990, Vol II: 361



Three morphologically distinct clones were isolated from strain CNRZ 368 of Streptococcus thermophilus. They showed different behaviour, particularly in relation to carbohydrate utilization. Study of the incorporation of 14C-labelled lactose as a function of reaction time and carbohydrate culture, and the use of selective inhibitors of the diholoside uptake system showed first that the 3 clones varied in their rate of uptake of diholoside; max. uptake was 27 nmol/mg.

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Accession: 002148792

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