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  • Title: Changes in lactate and malate dehydrogenase isoenzymes in salmonella under the effect of potassium dichloroisocyanurate.
    Author: Kotova AL.
    Journal: J Hyg Epidemiol Microbiol Immunol; 1978; 22(1):39-46. PubMed ID: 569170.
    Abstract:
    The method of enzyme-electrophoresis in agar gel according to Wieme (1959) was used for the study of lactate dehydrogenase (LDH) and malate dehydrogenase (MDH) isoenzymes of 24-hour and 48-hour Salmonella cultures exposed to a 0.02% solution of potassium dichloroisocyanurate (PDIC). Severe repression of LDH and MDH isoenzymes was observed immediately after the exposure of the culture to the disinfectant solution. A significant decrease in the content of the isoenzyme LDH1 and of the cytoplasmic fraction (C1) of MDH simultaneously with the appearance of the fractions LDH4, LDH1a and LDH1b were established in the strains cultured on MPA in the course of 24 hours following the exposure. A tendency to a decrease in the LDH1 content was preserved in the experimental cultures after 48 hours, but the spectrum of MDH isoenzymes showed almost no differences in comparison with that of MDH isoenzymes in 48-hour cultures of the control strains.
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