FIELD: biochemistry.
SUBSTANCE: invention relates to the field of biochemistry, genetic engineering and biotechnology, in particular to lactic acid bacteria, characterised by increased retention of intracellular trehalose. Said bacteria have increased stress resistance and improved storage characteristics. Invention is characterised in that said bacteria lack cellobiose-specific phosphotransferase system IIC component (PtcC) activity. Said bacteria also lack trehalose 6-phosphate phosphorylase (TrePP) activity.
EFFECT: present invention enables to produce lactic acid bacteria with increased stress resistance and improved storage characteristics.
64 cl, 11 dwg, 4 tbl, 12 ex
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