Article
The fast milk acidifying phenotype of Streptococcus thermophilus can be acquired by natural transformation of the genomic island encoding the cell-envelope proteinase PrtS.
Microbial cell factories - 30 Aug 2011
Dandoy Damien, Fremaux Christophe, de Frahan Marie Henry, Horvath Philippe, Boyaval Patrick, Hols Pascal, Fontaine Laetitia
Abstract excerpt
BACKGROUND: In industrial fermentation processes, the rate of milk acidification by Streptococcus thermophilus is of major technological importance. The cell-envelope proteinase PrtS was previously shown to be a key determinant of the milk acidification activity in this species. The PrtS enzyme is tightly anchored to the cell wall via a mechanism involving the typical sortase A (SrtA) and initiates the breakdown...
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