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Impact of Micro- and Hypergravity on Neurovestibular Issues of Fish

Hilbig, Reinhard and Anken, Ralf (2017) Impact of Micro- and Hypergravity on Neurovestibular Issues of Fish. In: Sensory Motor and Behavioral Research in Space SpringerBriefs in Space Life Sciences. Springer, Cham. pp. 59-86. doi: 10.1007/978-3-319-68201-3. ISBN 978-3-319-68200-6, 978-3-319-68201-3 (eBook). ISSN 2196-5560, 2196-5579 (electronic).

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Official URL: https://link.springer.com/chapter/10.1007/978-3-319-68201-3_4


For decades, research in altered gravitational environments has been undertaken to elucidate the impact of gravity on a broad variety of biosystems from unicellular organisms to vertebrate animals. In the preparation of scarce and costly orbital missions, different short-term flight opportunities (drop-tower flights, parabolic aircraft flights, sounding rocket flights) as well as ground-based facilities like centrifuges and microgravity simulators are being used. Here, we present an overview of studies carried out under short-term and long-term altered gravity on fish, with a focus on vestibular issues of cichlid fish (Oreochromis mossambicus) larvae and juvenile swordtails (Xiphophorus helleri). These experiments were focused on their behaviour, analyses of neuronal tissues, epithelia of utricle and saccule and as well on inner ear stones, the otoliths. Kinetoses (motion sickness) were frequently observed in altered, especially diminished, gravity, and evidence could be provided that asymmetric otoliths are a major factor in kinetosis susceptibility. Furthermore, we could show that the biomineralization of otoliths is adjusted towards gravity by means of a neuronally guided feedback loop.

Item URL in elib:https://elib.dlr.de/115024/
Document Type:Book Section
Title:Impact of Micro- and Hypergravity on Neurovestibular Issues of Fish
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hilbig, Reinharduniversity of hohenheim, zoological institute, stuttgart, germanyhttps://orcid.org/0000-0002-0664-8989UNSPECIFIED
Anken, Ralfgerman aerospace center (dlr), institute of aerospace medicine, gravitational biology, cologne, germanyhttps://orcid.org/0000-0001-7490-6823UNSPECIFIED
Date:25 October 2017
Journal or Publication Title:Sensory Motor and Behavioral Research in Space
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 59-86
EditorsEmailEditor's ORCID iDORCID Put Code
Publisher:Springer, Cham
Series Name:SpringerBriefs in Space Life Sciences
ISSN:2196-5560, 2196-5579 (electronic)
ISBN:978-3-319-68200-6, 978-3-319-68201-3 (eBook)
Keywords:Fish inner ear, Otoliths, Calcium, Biomineralization, Asymmetry, Behaviour, Kinetosis, Microgravity, Drop tower, Texus
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Vorhaben Biowissenschaftliche Exp.-vorbereitung (old), R - Vorhaben Biowissenschaftliche Nutzerunterstützung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Gravitational Biology
Deposited By: Duwe, Helmut
Deposited On:05 Dec 2017 12:08
Last Modified:05 Dec 2017 12:20

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