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Photoperiodic time measurement in tau mutant hamsters

K Shimomura1, D E Nelson, N L Ihara

  • 1National Science Foundation Center for Biological Timing, Charlottesville, VA, USA.

Summary

In tau mutant hamsters with a 20-hour circadian period, the minimum light exposure needed to maintain testicular function was proportionally similar to wild-type hamsters. This suggests circadian photosensitivity regulates reproduction in these mutants.

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