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  Radical-pair-based magnetoreception in birds: radio-frequency experiments and the role of cryptochrome

Niessner, C., & Winklhofer, M. (2017). Radical-pair-based magnetoreception in birds: radio-frequency experiments and the role of cryptochrome. Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 203. doi:10.1007/s00359-017-1189-1.

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アイテムのパーマリンク: https://hdl.handle.net/11858/00-001M-0000-002E-7E8B-6 版のパーマリンク: https://hdl.handle.net/11858/00-001M-0000-002E-7E8C-4
資料種別: 学術論文
その他のタイトル : Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology

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 作成者:
Niessner, C.1, 著者
Winklhofer, M., 著者
所属:
1Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Max Planck Society, Deutschordenstr. 46, 60528 Frankfurt, DE, ou_2074314              

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 要旨: The radical-pair hypothesis of magnetoreception has gained a lot of momentum, since the flavoprotein cryptochrome was postulated as a structural candidate to host magnetically sensitive chemical reactions. Here, we first discuss behavioral tests using radio-frequency magnetic fields (0.1-10 MHz) to specifically disturb a radical-pair-based avian magnetic compass sense. While disorienting effects of broadband RF magnetic fields have been replicated independently in two competing labs, the effects of monochromatic RF magnetic fields administered at the electronic Larmor frequency (~1.3 MHz) are disparate. We give technical recommendations for future RF experiments. We then focus on two candidate magnetoreceptor proteins in birds, Cry1a and Cry1b, two splice variants of the same gene (Cry1). Immunohistochemical studies have identified Cry1a in the outer segments of the ultraviolet/violet-sensitive cone photoreceptors and Cry1b in the cytosol of retinal ganglion cells. The identification of the host neurons of these cryptochromes and their subcellular expression patterns presents an important advance, but much work lies ahead to gain some functional understanding. In particular, interaction partners of cryptochrome Cry1a and Cry1b remain to be identified. A candidate partner for Cry4 was previously suggested, but awaits independent replication.

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 日付: 2017
 出版の状態: 出版
 ページ: -
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 目次: -
 査読: -
 識別子（DOI, ISBNなど）: URI: http://www.ncbi.nlm.nih.gov/pubmed/28612234
その他: 1616
DOI: 10.1007/s00359-017-1189-1
 学位: -

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出版物名: Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology
  出版物の別名 : Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology
種別: 学術雑誌
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所属:
出版社, 出版地: -
ページ: 499-507 巻号: 203 通巻号: - 開始・終了ページ: - 識別子（ISBN, ISSN, DOIなど）: ISBN: 1432-1351 (Electronic)0340-7594 (Linking)