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  High magnetic field induced otolith fusion in the zebrafish larvae

Pais-Roldán, P., Singh, A., Schulz, H., & Yu, X. (2016). High magnetic field induced otolith fusion in the zebrafish larvae. Scientific Reports, 6: 24151, pp. 1-11. doi:10.1038/srep24151.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-79EA-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-FAE5-4
Genre: Journal Article

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Pais-Roldán, P1, 2, Author              
Singh, AP, Author
Schulz, H1, 3, Author              
Yu, X1, 2, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Research Group Translational Neuroimaging and Neural Control, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528695              
3Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: Magnetoreception in animals illustrates the interaction of biological systems with the geomagnetic field (geoMF). However, there are few studies that identified the impact of high magnetic field (MF) exposure from Magnetic Resonance Imaging (MRI) scanners (>100,000 times of geoMF) on specific biological targets. Here, we investigated the effects of a 14 Tesla MRI scanner on zebrafish larvae. All zebrafish larvae aligned parallel to the B0 field, i.e. the static MF, in the MRI scanner. The two otoliths (ear stones) in the otic vesicles of zebrafish larvae older than 24 hours post fertilization (hpf) fused together after the high MF exposure as short as 2 hours, yielding a single-otolith phenotype with aberrant swimming behavior. The otolith fusion was blocked in zebrafish larvae under anesthesia or embedded in agarose. Hair cells may play an important role on the MF-induced otolith fusion. This work provided direct evidence to show that high MF interacts with the otic vesicle of zebrafish larvae and causes otolith fusion in an “all-or-none” manner. The MF-induced otolith fusion may facilitate the searching for MF sensors using genetically amenable vertebrate animal models, such as zebrafish.

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 Dates: 2016-04
 Publication Status: Published in print
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 Identifiers: DOI: 10.1038/srep24151
BibTex Citekey: PaisRoldanSSY2016
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Title: Scientific Reports
Source Genre: Journal
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Pages: - Volume / Issue: 6 Sequence Number: 24151 Start / End Page: 1 - 11 Identifier: -