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Tardigrades survive exposure to space in low Earth orbit

Jönsson, K. Ingemar and Rabbow, Elke and Schill, Ralph O. and Harms-Ringdahl, Mats and Rettberg, Petra (2008) Tardigrades survive exposure to space in low Earth orbit. Current Biology, 18, R729-R731. Cell Press.

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Vacuum (imposing extreme dehydration) and solar/galactic cosmic radiation prevent survival of most organisms in space [1]. Only anhydrobiotic organisms, which have evolved adaptations to survive more or less complete desiccation, have a potential to survive space vacuum, and few organisms can stand the unfiltered solar radiation in space. Tardigrades, commonly known as water-bears, are among the most desiccation and radiation-tolerant animals and have been shown to survive extreme levels of ionizing radiation [2, 3, 4]. Here, we show that tardigrades are also able to survive space vacuum without loss in survival, and that some specimens even recovered after combined exposure to space vacuum and solar radiation. These results add the first animal to the exclusive and short list of organisms that have survived such exposure.

Item URL in elib:https://elib.dlr.de/55523/
Document Type:Article
Title:Tardigrades survive exposure to space in low Earth orbit
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Jönsson, K. IngemarDepartment of Mathematics and Science, Aquatic Biology and Chemistry Group, Kristianstad University, SE-291 88 Kristianstad, SwedenUNSPECIFIEDUNSPECIFIED
Schill, Ralph O.Department of Zoology, Biological Institute, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, GermanyUNSPECIFIEDUNSPECIFIED
Harms-Ringdahl, MatsDepartment of Genetics, Microbiology and Toxicology, Stockholm University, SE-106 91 Stockholm, SwedenUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Current Biology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:R729-R731
Publisher:Cell Press
Keywords:Tardigrades, exposure to space, survival, solar/galactic cosmic radiation, Vacuum
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W - Vorhaben Strahlenbiologie (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kopp, Kerstin
Deposited On:15 Oct 2008
Last Modified:27 Apr 2009 15:16

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