Article
Re-entrainment behavior of Djungarian hamsters (Phodopus sungorus) with different rhythmic phenotype following light-dark shifts.
Chronobiology international - 1 Feb 2011
Schöttner Konrad, Limbach Antje, Weinert Dietmar
Abstract excerpt
Djungarian hamsters bred at the authors' institute reveal two distinct circadian phenotypes, the wild-type (WT) and DAO type. The latter is characterized by a delayed activity-onset, probably due to a deficient mechanism for photic entrainment. Experiments with zeitgeber shifts have been performed to gain further insight into the mechanisms underlying this phenomenon. Advancing and delaying phase shifts were...
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