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Exposure of Plant Seeds to the Space Environment Outside the International Space StationCrop seeds may prove to be a vital component of future long-term spaceflight missions, and the impacts of extended exposure on seed degradation is not well understood. The MISSE-Seed project was designed to investigate the effects of space exposure on seed quality and storage. The project also served as a test of biological materials aboard the Materials International Space Station Experiment (MISSE) platform, and evaluated the capability of a newly designed passive sample containment vessel for the provision of acceptable storage conditions for seed and other biological samples to be preserved upon exposure to the space environment outside the ISS.

MISSE-Seed was launched to the ISS on NG-15 in July of 2021 and returned to Earth aboard SpX-24 after approximately 8 months of exposure to the space environment. The specimens consisted of eleven seed varieties (Lettuce, Scarlet Frills, Amara, Garnet Giant, Pac Choi, Radish, Mizuna, Tomato, Cauliflower, Pepper, and Arabidopsis). Data-loggers and thermoluminescent dosimeters (TLDs) were included in each container to record environmental data. Temperature profiles and radiation/UV exposure data were also provided by Aegis Aerospace, the MISSE Implementation Partner. Hardware and experimental design, environmental profiles, and post-flight germination and growth results will be presented.
Document ID
20230006194
Acquisition Source
Kennedy Space Center
Document Type
Conference Paper
Authors
Alexander D Meyers
(Kennedy Postdoctoral Employee)
Jeffrey T Richards
(Aecom (United States) Los Angeles, California, United States)
Todd Edward Mortenson
(Bionetics (United States) Yorktown, Virginia, United States)
Cory J Spern
(Aecom (United States) Los Angeles, California, United States)
Timothy Mousseau
(University of South Carolina Columbia, SC)
Lashelle E Spencer
(Aecom (United States) Los Angeles, California, United States)
Jason A Fischer
(Aecom (United States) Los Angeles, California, United States)
Christina L Khodadad
(Sierra Lobo (United States) Fremont, Ohio, United States)
Jennifer L Gooden
(Aecom (United States) Los Angeles, California, United States)
Adam M Swanger
(Kennedy Space Center Merritt Island, Florida, United States)
James E Fesmire
(Kennedy Space Center Merritt Island, Florida, United States)
Mark Cameron
(Case Western Reserve University Cleveland, Ohio, United States)
Jeffrey G Buell
(Aegis Aerospace Houston, TX)
Mark W Shumbera
(Aegis Aerospace Houston, TX)
Dinah I Dimapilis
(Kennedy Space Center Merritt Island, Florida, United States)
Howard G Levine
(Kennedy Space Center Merritt Island, Florida, United States)
Ye Zhang
(Kennedy Space Center Merritt Island, Florida, United States)
Date Acquired
April 21, 2023
Subject Category
Exobiology
Meeting Information
Meeting: 12th Annual International Space Station Research and Development Conference (ISSRDC)
Location: Seattle, WA
Country: US
Start Date: July 31, 2023
End Date: August 3, 2023
Sponsors: Boeing (United States)
Funding Number(s)
CONTRACT_GRANT: 80KSC017C0012
CONTRACT_GRANT: NNJ15GU08A
Distribution Limits
Public
Copyright
Use by or on behalf of the US Gov. Permitted.
Technical Review
Single Expert

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