Thymidine Incorporation by Mitochondria in Physarum polycephalum

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Science  04 Sep 1964:
Vol. 145, Issue 3636, pp. 1057-1058
DOI: 10.1126/science.145.3636.1057


Cytoplasmic particles of the slime-mold, Physarum polycephalum, incorporate tritiated thymidine in a form which is insoluble in acid and in ribonuclease, and soluble in deoxyribonuclease. Evidence for the mitochondrial nature of these thymidine-incorporating particles is based on their distribution, size, and staining behavior.