Evolution of photosensory pineal organs in new light: the fate of neuroendocrine photoreceptors.
Evolution of photosensory pineal organs in new light: the fate of neuroendocrine photoreceptors.
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新视角下光感觉松果体器官的进化:神经内分泌光感受器的命运。
DOI:
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发表时间:
2003
期刊:
影响因子:
--
通讯作者:
H. Meissl
中科院分区:
文献类型:
--
作者:
P. Ekström;H. Meissl
Pineal evolution is envisaged as a gradual transformation of pinealocytes (a gradual regression of pinealocyte sensory capacity within a particular cell line), the so-called sensory cell line of the pineal organ. In most non-mammals the pineal organ is a directly photosensory organ, while the pineal organ of mammals (epiphysis cerebri) is a non-sensory neuroendocrine organ under photoperiod control. The phylogenetic transformation of the pineal organ is reflected in the morphology and physiology of the main parenchymal cell type, the pinealocyte. In anamniotes, pinealocytes with retinal cone photoreceptor-like characteristics predominate, whereas in sauropsids so-called rudimentary photoreceptors predominate. These have well-developed secretory characteristics, and have been interpreted as intermediaries between the anamniote pineal photoreceptors and the mammalian non-sensory pinealocytes. We have re-examined the original studies on which the gradual transformation hypothesis of pineal evolution is based, and found that the evidence for this model of pineal evolution is ambiguous. In the light of recent advances in the understanding of neural development mechanisms, we propose a new hypothesis of pineal evolution, in which the old notion 'gradual regression within the sensory cell line' should be replaced with 'changes in fate restriction within the neural lineage of the pineal field'.
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DOI:
--
发表时间:
2001
期刊:
Investigative ophthalmology & visual science.
影响因子:
--
作者:
Liu,Y;Shen,Y;Rest,JS;Raymond,PA;Zack,DJ
通讯作者:
Zack,DJ
DOI:
10.1073/pnas.210248297
发表时间:
2000
影响因子:
11.1
作者:
Tosini,G;Doyle,S;Geusz,M;Menaker,M
通讯作者:
Menaker,M
DOI:
10.1073/pnas.95.11.6097
发表时间:
1998-05-26
影响因子:
11.1
作者:
Miyamoto, Y;Sancar, A
通讯作者:
Sancar, A
影响因子:
2.7
作者:
Chuang, JC;Raymond, PA
通讯作者:
Raymond, PA
影响因子:
2.6
作者:
Chuang, JC;Mathers, PH;Raymond, PA
通讯作者:
Raymond, PA