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2014年11月11日 掲載 (Published 11/11/2014)


「BIOPHYSICS」にSatoshi Takigami et al. “Morphological and physiological characterisitics of dermal photoreceptors in Lymnaea stagnalis"を掲載

日本生物物理学会欧文誌[BIOPHYSICS]に以下の論文が新規掲載されました。

Satoshi Takigami, Hiroshi Sunada, Tetsuro Horikoshi and Manabu Sakakibara
"Morphological and physiological characterisitics of dermal photoreceptors in Lymnaea stagnalis"

【Editor's Summary】

ヨーロッパモノアラガイ皮膚視細胞の形態学的・生理学的性質

非眼性視細胞は、形態学的、生理学的に未知な部分が多い。皮膚視細胞にはcGMP、ロドプシン、アレスチンが関与することから、これらの抗体でモノアラガイ外套膜を免疫組織学染色した。抗体特異的に重複反応した組織は、顆粒と核を持つ細胞構造が特徴で、呼吸口付近では小型の、その他ではより大型の細胞が分布していた。Lucifer Yellowでこの細胞を逆行性染色したところ、その神経線維からは光off応答が細胞外記録で観察された。

Morphological and physiological characteristics of dermal photoreceptors in Lymnaea stagnalis.

Non-ocular photoreceptors are not well understood morphologically and physiologically. Previous studies revealed that the photo-transduction in dermal photoreceptors was involved with cGMP, rhodopsin and β-arrestin. Mantle in Lymnaea was examined immunehistologically with these antibodies. Overlapped immuno-positive tissues were characterized by possessing one nucleus with small granular particles. Smaller diameter cells showing immuno-positive signals were distributed around the pneumostome area, while larger cells were in the other areas. One of these cells was back-filled with Lucifer Yellow, and the light-induced off-response was recorded from the neuropil. This off-response was one of the characteristics observed in the inter-neuron, RPeD11, previously.

BIOPHYSICS, Vol.10, pp. 77-88

URL:http://dx.doi.org/10.2142/biophysics.10.77