2017 Fiscal Year Final Research Report
Investigation of the diversity of visual and non-visual UV reception in jumping spiders
| Project/Area Number |
26291070
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Animal physiology/Animal behavior
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| Research Institution | Osaka City University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
TERAKITA Akihisa 大阪市立大学, 大学院理学研究科, 教授 (30212062)
ARIKAWA Kentaro 総合研究大学院大学, 先導科学研究科, 教授 (20167232)
NAGATA Takashi 大阪市立大学, 大学院理学研究科, 特任講師 (90589962)
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| Research Collaborator |
TANIMOTO Kazu
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Keywords | 光生物学 / 紫外光 / 分子進化 / 感覚 / ロドプシン / GPCR |
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| Outline of Final Research Achievements |
We investigated the molecular basis of photoreception mainly in jumping spiders in order to understand the biological meanings and the diversity of UV reception in visual and non-visual animal photoreception. We conducted spectroscopic and biochemical analyses of visual pigments rhodopsins isolated from several species of jumping spider and other spiders and found the relationship between the spectral sensitivities of spider rhodopsins and the evolution of depth perception mechanism unique to jumping spiders. We also analyzed a non-visual photoreceptor protein peropsin of jumping spider and revealed that peropsin acts as a dark-active, light-inactivated G protein-coupled receptor, which is totally opposite activation manner from known photoreceptor proteins.
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| Free Research Field |
光生物学、分子進化学、生理学
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