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  • Title: [Effects of polyene antibiotics on the membranes of dog kidney isolated nuclei].
    Author: Asinobskaia NK, Oksman AIa, Kravchenko LS, Tereshin IM.
    Journal: Biokhimiia; 1976 Dec; 41(12):2183-90. PubMed ID: 1022281.
    Abstract:
    The effects of amphotericin B and nistatin on the membranes of dog kidney isolated nuclei after their incubation with the antibiotics in question, have been studied. It is found that the polyene antibiotics, though they are superficially-active compounds, have no solubilizing effect on nuclear membranes and do not change their chemical composition. Electrophoretic study has revealed that nuclear membrane proteins, besides high- and low-molecular protein components, also contain a large amount of histones. The incubation of the nuclei with the polyene antibiotics results in marked changes in the fractional composition of nuclear membrane proteins, the most significant changes being induced by amphotericin B. It is assumed that polyene antibiotics induce proteolytic degradation of nuclear membrane proteins.
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