Abstract
Escherichia coli was grown at 37°C with increasing cholesterol concentrations in the growth medium. Under these conditions, it was shown that neither the phospholipid species nor the fatty acid composition were affected by the incorporation of cholesterol. On the other hand, the doubling time (td) was increased; two membrane-bound enzymes, (Ca++)-ATPase and D-lactate-dehydrogenase, were modified in the temperature-dependence activities, and the (Ca±±)-ATPase changed its Hill coefficient for the inhibition by Na+. This last parameter was the most sensitive in detecting very low cholesterol incorporations to the cytoplasmic membranes.
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Moreno, H., Siñeriz, F. & Farias, R.N. Influence of the incorporation of cholesterol on the doubling time and on the arrhenius and hill plots of two membrane-bound enzymes ofEscherichia coli K12 . Current Microbiology 8, 215–220 (1983). https://doi.org/10.1007/BF01579549
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DOI: https://doi.org/10.1007/BF01579549