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The effect of inorganic salts and some biologically important compounds on the incorporation of 1—14C acetate into aflatoxins by resting Mycelia ofAspergillus parasiticus

Der Einfluß anorganischer Salze und einiger biologisch wichtiger Verbindungen auf den Einbau des C14-acetates in Aflatoxinen durch ruhende Mycelien vonAspergillus parasiticus

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Zusammenfassung

Zn++, Mg++ und Mn++-Ionen stimulieren bei gewissen Konzentrationen den Einbau von C14-acetat in Aflatoxinen durch ruhende Mycelien desAspergillus parasitic in tris-HCl-Puffer bei pH 7,2. Ba++ gaben Aktivierungen über einen weiten Konzentrationsbereich, während Äthanol den Einbau verhindert. Von den Intermedärprodukten des 3-Carbonsäure-Cyclus gab die Citronensäure ein Maximum an Aktivierung.

Summary

Zn++, Mg++, and Mn++ ions at certain concentrations, stimulated the incorporation of [1-34C] acetate-into aflatoxins by resting mycelia ofAspergillus parasiticus suspended intris-HC] buffer of pH 7.2. Ba++ gave consistant stimulation over a wide range of concentrations. Ethanol markedly inhibited the incorporation. Of the tricarboxylic acid cycle intermediates, citric acid gave the maximum stimulation.

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Authors and Affiliations

  1. Department of Biochemistry, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India

    S. R. Gupta, H. R. Prasanna, L. Viswanathan & T. A. Venkitasubramanian

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  1. S. R. Gupta
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  2. H. R. Prasanna
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  3. L. Viswanathan
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  4. T. A. Venkitasubramanian
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Gupta, S.R., Prasanna, H.R., Viswanathan, L. et al. The effect of inorganic salts and some biologically important compounds on the incorporation of 1—14C acetate into aflatoxins by resting Mycelia ofAspergillus parasiticus . Z Lebensm Unters Forch 157, 19–22 (1975). https://doi.org/10.1007/BF01785723

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  • DOI: https://doi.org/10.1007/BF01785723

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