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Characterization of Radiotolerance Mechanisms in the Tardigrade Species Hypsibius DujardiniTardigrades are microscopic invertebrates that are uniquely radio tolerant among animals, and while the mechanisms of radiotolerance in some species is becoming understood, such mechanisms in Hypsibius dujardini, the most radio tolerant fully aquatic tardigrade, are unknown. We asked 1) Is H. dujardini resistant to direct or indirect DNA damage due to ionizing radiation? and 2) Is this resistance through initial DNA protection or efficient repair once damage has occurred? We confirmed H. dujardini’s extraordinary radiotolerance but encountered challenges in performing molecular techniques, thus identifying a need for standardization of tardigrade experimental protocols.
Document ID
20190033882
Acquisition Source
Ames Research Center
Document Type
Poster
Authors
Cooper, Ben (Tufts Univ. Medford, MA, United States)
Reinsch, Sigrid (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
December 12, 2019
Publication Date
November 19, 2019
Subject Category
Life Sciences (General)
Report/Patent Number
ARC-E-DAA-TN75890
Meeting Information
Meeting: Annual Meeting of the American Society for Gravitational and Space Research (ASGSR)
Location: Denver, CO
Country: United States
Start Date: November 20, 2019
End Date: November 23, 2019
Sponsors: American Society for Gravitational and Space Research (ASGSR)
Distribution Limits
Public
Copyright
Public Use Permitted.

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