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Quarterly Journal of Microscopical Science, Vol s3-104, 45-50, Copyright © 1963 by Company of Biologists

The Effect of Temperature Variation on the Multiplication Rate of Two Strains of Amoeba Proteus

SHIRLEY E. HAWKINS 1 and J. F. DANIELLI 1

1 Department of Zoology, King's College, London, W.C. 2, and the Department of Medicinal Chemistry, School of Pharmacy, University of Buffalo, Buffalo 14, U.S.A.

The effect of temperature variation on the multiplication rates of two strains of Amoeba proteus and the corresponding heterotransfer strains obtained by transplantation of nuclei between the ‘parent’ strains, has been studied. The two ‘parent’ strains multiply at a similar rate at 17° C but at different rates at 27° C and 11° C. The multiplication rates of the heterotransfers follow the cytoplasmic ‘parent’ at the low temperature and the nuclear ‘parent’ at the higher temperature.






© The Company of Biologists Ltd 1963