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Journal of Cell Science, Vol 49, 1-s-1, Copyright © 1981 by Company of Biologists
P2 : a behavioural mutant of Dictyostelium discoideum
J. Cell. Sci. (1980). 43, 341-366.
The amoeba strain P2 was incorrectly identified as a mutant of the slime mould, Dictyostelium discoideum. I have been unable to repeat the reported observation of a karyotype of seven chromosomes, on which the original identification was based. Other properties, including the morphology of cysts and nucleoli, growth properties and cell shape, indicate that P2 is a hartmanellid amoeba.
I am indebted to Professor Kenneth Raper of the University of Wisconsin for pointing out the correct identification of this strain.