Extraocular photoreception and circadian entrainment in nonmammalian vertebrates

被引:39
作者
Bertolucci, C
Foà, A
机构
[1] Univ Ferrara, Dipartimento Biol, I-46100 Ferrara, Italy
[2] Univ Ferrara, Ctr Neurosci, I-46100 Ferrara, Italy
关键词
circadian; orientation; entrainment; extraocular; photoreceptor; vertebrates; pineal complex;
D O I
10.1081/CBI-120039813
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
In mammals both the regulation of circadian rhythms and photoperiodic responses depend exclusively upon photic information provided by the lateral eyes; however, nonmammalian vertebrates can also rely on multiple extraocular photoreceptors to perform the same tasks. Extraocular photoreceptors include deep brain photoreceptors located in several distinct brain sites and the pineal complex, involving intracranial (pineal and parapineal) and extracranial (frontal organ and parietal eye) components. This review updates the research field of the most recent acquisitions concerning the roles of extraocular photoreceptors on circadian physiology and behavior, particularly photic entrainment and sun compass orientation.
引用
收藏
页码:501 / 519
页数:19
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