THE EFFECT OF DIPHTHERIA TOXIN ON THE METABOLISM OF HELA CELLS : II. EFFECT ON NUCLEIC ACID METABOLISM

The effect of toxin on the incorporation of uridine and thymidine into nucleic acids was investigated. P(32) orthophosphate incorporation into the nucleoside phosphate fraction was also investigated. No early effect of toxin on nucleic acid synthesis was evident and only a slight effect of toxin on...

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Detalles Bibliográficos
Autor principal: Strauss, Norman
Formato: Texto
Lenguaje:English
Publicado: The Rockefeller University Press 1960
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2137219/
https://www.ncbi.nlm.nih.gov/pubmed/19867174
Descripción
Sumario:The effect of toxin on the incorporation of uridine and thymidine into nucleic acids was investigated. P(32) orthophosphate incorporation into the nucleoside phosphate fraction was also investigated. No early effect of toxin on nucleic acid synthesis was evident and only a slight effect of toxin on nucleoside phosphate formation was found prior to 1.5 hours after toxin addition. Both these processes, however, were found to be sensitive to dinitrophenol. These results are interpreted as indicating that toxin does not act by a general uncoupling of oxidation from phosphorylation. Other possible mechanisms of toxin action are proposed.

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