Circadian expression of clock gene in the optic tectum of Japanese quail

被引:8
|
作者
Yasuo, S [1 ]
Ebihara, S [1 ]
Yoshimura, T [1 ]
机构
[1] Nagoya Univ, Grad Sch Bioagr Sci, Div Biomodeling, Nagoya, Aichi 4648601, Japan
关键词
clock gene; optic tectum; tectofugal pathway; Japanese quail; melatonin receptor; retinal projection;
D O I
10.1016/j.brainres.2004.01.031
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The physiological activity of avian optic tectum (TeO) is known to be regulated by the circadian system. In a previous study, we found clock gene expression in the TeO of Japanese quail. Here we report rhythmic expression of the Pert gene in the stratum griseum et fibrosum (SGF) of the TeO under a light-dark (LD) cycle, constant darkness (DD), and constant light (LL) conditions. However, light pulse did not affect Pert expression in the TeO. These results suggest that light stimulus and melatonin rhythm are not essential for rhythmic expression of Pert in the avian TeO in spite of the localization of melatonin receptors and retinal input. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:193 / 196
页数:4
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