Verkerk, A.

cry 1 clock protein cry 2 circadian light cry proteins wild-type activity photoreceptor analysis mouse rhythm photolyase function double-mutant period nature locus behaviour protein kinase b phosphorylation absence kinase probe plant blue-light receptors blot analysis cry genes animal circadian rhythms rhythmicity wild-type mice double-mutant mice allele science blue-light expression ecori research darkness drosophila factor wheel-running product wheel tail dna transcription regime netherland circadian rhythmicity light regime receptor cry double-mutant mice cry 2-knockout mice panel clock genes cry 2 allele pcr-derived genomic dna cry 1 locus ® ndings plant locomotor activity 1–/–cry period length fragment arrhythmicity neuron process free-running addition institute cryptochrome genomic condition locomotor mitochondria letter pathway ® broblasts mutant