Sensory - Magnetoreception Development

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Introduction

Magnetoreception is a sensory system that allows some species, not humans, to sense the earth's geomagnetic field.


Species

  • Zebrafish and medaka[1]

Some Recent Findings

  • Zebrafish and medaka offer insights into the neurobehavioral correlates of vertebrate magnetoreception[1] "An impediment to a mechanistic understanding of how some species sense the geomagnetic field ("magnetoreception") is the lack of vertebrate genetic models that exhibit well-characterized magnetoreceptive behavior and are amenable to whole-brain analysis. We investigated the genetic model organisms zebrafish and medaka, whose young stages are transparent and optically accessible. In an unfamiliar environment, adult fish orient according to the directional change of a magnetic field even in darkness. To enable experiments also in juveniles, we applied slowly oscillating magnetic fields, aimed at generating conflicting sensory inputs during exploratory behavior. Medaka (but not zebrafish) increase their locomotor activity in this assay. Complementary brain activity mapping reveals neuronal activation in the lateral hindbrain during magnetic stimulation. These comparative data support magnetoreception in teleosts, provide evidence for a light-independent mechanism, and demonstrate the usefulness of zebrafish and medaka as genetic vertebrate models for studying the biophysical and neuronal mechanisms underlying magnetoreception."
More recent papers  
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Search term: Magnetoreception

Jacques Vanderstraeten, Philippe Gailly, E Pascal Malkemper Corrigendum: Low-Light Dependence of the Magnetic Field Effect on Cryptochromes: Possible Relevance to Plant Ecology. Front Plant Sci: 2018, 9;1459 PubMed 30310387

Lukas Landler, David A Keays Cryptochrome: The magnetosensor with a sinister side? PLoS Biol.: 2018, 16(10);e3000018 PubMed 30278038

Michael J Baltzley, Matthew W Nabity Reanalysis of an oft-cited paper on honeybee magnetoreception reveals random behavior. J. Exp. Biol.: 2018; PubMed 30266785

Xuefeng Wang, Chengyu Jing, Christopher P Selby, Yi-Ying Chiou, Yanyan Yang, Wenjian Wu, Aziz Sancar, Jing Wang Comparative properties and functions of type 2 and type 4 pigeon cryptochromes. Cell. Mol. Life Sci.: 2018; PubMed 30264181

Robert H Keens, Salil Bedkihal, Daniel R Kattnig Magnetosensitivity in Dipolarly Coupled Three-Spin Systems. Phys. Rev. Lett.: 2018, 121(9);096001 PubMed 30230901

References

  1. 1.0 1.1 Myklatun A, Lauri A, Eder SHK, Cappetta M, Shcherbakov D, Wurst W, Winklhofer M & Westmeyer GG. (2018). Zebrafish and medaka offer insights into the neurobehavioral correlates of vertebrate magnetoreception. Nat Commun , 9, 802. PMID: 29476093 DOI.

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Cite this page: Hill, M.A. (2018, October 23) Embryology Sensory - Magnetoreception Development. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Sensory_-_Magnetoreception_Development

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© Dr Mark Hill 2018, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G