Abstract
A CONNEXION between the mode of action of carcinogenic and of polyploidogenic reagents has frequently been postulated1,2, but the crucial test of the induction of polyploidy in plants by a typical carcinogenic hydrocarbon has so far not been recorded. Patton and Nebel3, for example, report that dibenzanthracerie causes increase in the size of the prophase nuclei in the root tips of Zea, but state that no abnormality of mitosis could be observed. It was therefore with some surprise that we found recently on examining the root tips of rye seedlings, which had been growing in water containing crystals of 1.2.5.6 dibenzanthracerie, a striking polyploidogenic effect. This did not occur in the control with water alone.
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References
Shmuck, A., and Gusscva, A., C.R. Acad. Sci. U.R.S.S., 29, 316 (1940).
Levan, A., and Ostergren, G., Hereditas, 29, 381 (1943).
Patton, R. L., and Nebel, B. R., Amer. J. Bot., 27, 609 (1940).
Davis, W. W., and Parker, T. U., J. Amer. Chem. Soc., 64, 101 (1942).
Lisle, E. B., J. Soc. Chem. Ind., 61, 148 (1942).
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THOMAS, P., DREW, R. Chemical Control of Mitosis. Nature 152, 564–565 (1943). https://doi.org/10.1038/152564a0
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DOI: https://doi.org/10.1038/152564a0
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