期刊
ZOOLOGICAL SCIENCE
卷 28, 期 3, 页码 195-198出版社
ZOOLOGICAL SOC JAPAN
DOI: 10.2108/zsj.28.195
关键词
circadian; darkness; Drosophila; endogenous rhythm; fruit fly; generation
类别
资金
- Global COE Program for Biodiversity and Evolution [A06]
Locomotor activity rhythms of dark stock flies of Drosophila melanogaster kept in complete darkness for 700 to 1340 generations were examined. The stock was established by the late Prof. S. Mori in November 1954 to investigate long-term effects of darkness on organisms. The activity of flies was recorded under three types of light conditions: DD after LD12:12, and DD after exposure to a 3.5 h (P3) or 7.5 h (P7) light pulse. In all of these conditions, the experimental dark flies exhibited clear circadian rhythms similar to those of control light flies. We compare our results with those of various studies on troglobites.
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