Effect of Dim Light on Locomotor Activity Rhythm in the Onion fly, Delia antiqua
Effect of Dim Light on Locomotor Activity Rhythm in the Onion fly, Delia antiqua
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弱光对洋葱蝇 Delia antiqua 运动活动节律的影响
DOI：
10.2108/zsj.16.603
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发表时间：
1999
期刊：
影响因子：
--
通讯作者：
T. Arai
中科院分区：
文献类型：
--
作者：
Y. Watari;T. Arai
洋葱蝇迪利亚antiqua在L（400 lux）Ldim（1.0 lux）周期中的运动活动时相比LD周期中的运动活动时相延迟。恒定暗（LdimLdim）条件下的自由活动周期（τ）比恒定暗（DD）条件下的长，提示LLdim周期中的运动活动相位延迟是由τ的增加引起的。在LdimD为12：12时，光强度为1.0lux，果蝇羽化后第2周左右，其自发活动时间短于24小时，但其后随时间延长而延长至LdimD，这表明果蝇对光强度的敏感性可能随年龄增长而增加。
Abstract The phase of locomotor activity of the onion fly, Delia antiqua, in L (400 lux) Ldim (1.0 lux) cycles delayed as compared with that in LD cycles. The free-running period (τ) in constant dim light (LdimLdim) was longer than that in constant darkness (DD), suggesting that the phase delay of locomotor activity in LLdim cycle was caused by the increase in τ. At LdimD 12:12 in which the light intensity of the photophase was 1.0 lux, the locomotor activity free-ran with the period shorter than 24 hr until about week 2 after eclosion but thereafter entrained to LdimD in spite of τ might become longer than 24 hr. This suggests that the flies may become more sensitive to light intensity with age.