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  • Title: Factors influencing the uptake of DNA by Neurospora crassa.
    Author: Aradi J, Schablik M, Zsindely A, Csongor J, Szabó G.
    Journal: Acta Biochim Biophys Acad Sci Hung; 1978; 13(4):259-67. PubMed ID: 39418.
    Abstract:
    Under optimal conditions intact Neurospora crassa cells incorporated nearly the same amount of 3H-labelled DNA as that of the endogenous DNA content of cells. After 18 h of incorporation more than 80 per cent of the radioactivity was retained in the cells. A maximum uptake of exogenous DNA occurred at 28 degrees C, pH 6.35, in the presence of 100 mM calcium when the concentration of donor DNA was 150 micrograms/ml. Denatured DNA was incorporated at a higher rate than native DNA. The present findings suggest that the uptake of DNA by Neurospora crassa is a biologically active process.
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