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Dopamine Modulates the Rest Period Length without Perturbation of Its Power Law Distribution in Drosophila melanogaster
http://hdl.handle.net/2298/25963
http://hdl.handle.net/2298/25963984bbf10-af43-48bf-986e-f5eb242be444
名前 / ファイル | ライセンス | アクション |
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PLOS ONE 2012.VOL7-2.pdf (334.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-11-30 | |||||
タイトル | ||||||
タイトル | Dopamine Modulates the Rest Period Length without Perturbation of Its Power Law Distribution in Drosophila melanogaster | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Ueno, Taro
× Ueno, Taro× Masuda, Naoki× Kume, Shoen× 粂, 和彦 |
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別言語の著者 |
上野, 太郎
× 上野, 太郎× 増田, 直紀× 粂, 昭苑× 粂, 和彦 |
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内容記述 | ||||||
内容記述 | We analyzed the effects of dopamine signaling on the temporal organization of rest and activity in Drosophila melanogaster. Locomotor behaviors were recorded using a video-monitoring system, and the amounts of movements were quantified by using an image processing program. We, first, confirmed that rest bout durations followed long-tailed (i.e., power-law) distributions, whereas activity bout durations did not with a strict method described by Clauset et al. We also studied the effects of circadian rhythm and ambient temperature on rest bouts and activity bouts. The fraction of activity significantly increased during subjective day and at high temperature, but the power-law exponent of the rest bout distribution was not affected. The reduction in rest was realized by reduction in long rest bouts. The distribution of activity bouts did not change drastically under the above mentioned conditions. We then assessed the effects of dopamine. The distribution of rest bouts became less long-tailed and the time spent in activity significantly increased after the augmentation of dopamine signaling. Administration of a dopamine biosynthesis inhibitor yielded the opposite effects. However, the distribution of activity bouts did not contribute to the changes. These results suggest that the modulation of locomotor behavior by dopamine is predominantly controlled by changing the duration of rest bouts, rather than the duration of activity bouts. | |||||
書誌情報 |
PLOS ONE 巻 7, 号 2, p. 1-18, 発行年 2012-02-16 |
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ISSN | ||||||
収録物識別子 | 19326203 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
関連識別子 | 10.1371/journal.pone.0032007 | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
334485 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
日本十進分類法 | ||||||
主題 | 491 | |||||
出版者 | ||||||
出版者 | Public Library of Science | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 | ||||||
URL | ||||||
内容記述 | http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0032007 |