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  1. 010 学術雑誌論文
  2. 蟻川, 謙太郎 / ARIKAWA, Kentaro
  1. 010 学術雑誌論文
  2. 木下, 充代 / KINOSHITA, Michiyo

Coexpression of Two Visual Pigments in a Photoreceptor Causes an Abnormally Broad Spectral Sensitivity in the Eye of the Butterfly Papilio xuthus

https://ir.soken.ac.jp/records/3495
https://ir.soken.ac.jp/records/3495
cc18f71f-6a9d-45cb-892c-3803d12e2ad9
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Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-04-18
タイトル
タイトル Coexpression of Two Visual Pigments in a Photoreceptor Causes an Abnormally Broad Spectral Sensitivity in the Eye of the Butterfly Papilio xuthus
タイトル
タイトル Coexpression of Two Visual Pigments in a Photoreceptor Causes an Abnormally Broad Spectral Sensitivity in the Eye of the Butterfly Papilio xuthus
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 ARIKAWA, Kentaro

× ARIKAWA, Kentaro

ARIKAWA, Kentaro

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MIZUNO, Shin

× MIZUNO, Shin

MIZUNO, Shin

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KINOSHITA, Michiyo

× KINOSHITA, Michiyo

KINOSHITA, Michiyo

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STAVENGA, Doekele G

× STAVENGA, Doekele G

STAVENGA, Doekele G

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著者別名 蟻川, 謙太郎

× 蟻川, 謙太郎

蟻川, 謙太郎

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内容記述タイプ Abstract
内容記述 The compound eye of the butterfly Papilio xuthus consists of three different types of ommatidia, each containing nine photoreceptor cells (R1–R9). We have found previously that the R5–R8 photoreceptors of type II ommatidia coexpress two different mRNAs, encoding opsins of green- and orange-red-absorbing visual pigments (Kitamoto et al., 1998). Do these cells contain two functionally distinct visual pigments? First, we identified the sensitivity spectrum of these photoreceptors by using combined intracellular recording and dye injection. We thus found that the R5–R8 of type II ommatidia have a characteristic sensitivity spectrum extending over an excessively broad spectral range, from the violet to the red region; the photoreceptors are therefore termed broadband photoreceptors. The spectral shape was interpreted with a computational model for type II ommatidia, containing a UV visual pigment in cells R1 and R2, two green visual pigments in cells R3 and R4, a far-UV-absorbing screening pigment (3-hydroxyretinol) in the distal part of the ommatidium, and a red-screening pigment that surrounds the rhabdom. The modeling suggests that both visual pigments in the R5–R8 photoreceptors participate in phototransduction. This work provides the first compelling evidence that multiple visual pigments participate in phototransduction in single invertebrate photoreceptors.
書誌情報 Journal of Neuroscience
en : Journal of Neuroscience

巻 23, 号 11, p. 4527-4532, 発行日 2003-06-01
出版者
出版者 Society for Neuroscience
ISSN
収録物識別子タイプ ISSN
収録物識別子 02706474
PubMed番号
関連タイプ isIdenticalTo
識別子タイプ PMID
関連識別子 12805293
権利
権利情報 © Society for Neuroscience
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識別子タイプ URI
関連識別子 http://www.jneurosci.org/site/misc/ifa_policies.xhtml
関連名称 Copyright
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内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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