Article
Evidences for circadian rhythmicity in the per0 mutant of Drosophila melanogaster.
Zeitschrift fur Naturforschung. C, Journal of biosciences - 1 Jan 2000
Helfrich C, Engelmann W
Abstract excerpt
per0 Mutants of Drosophila melanogaster which are exposed to light-dark cycles (LD) with different Zeitgeber period (T) have a limited range of entrainment. Entrained flies show a characteristic phase relationship of activity to the LD which depends on the period of the driving cycle as expected by oscillator theory. Both facts are taken as evidence that per. possesses endogenous oscillators and that the per gene...
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