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Effects of microgravity on growth hormone concentration and distribution in plantsOn earth, gravity affects the distribution of the plant growth hormone, indole-3-acetic acid (IAA), in a manner such that the plant grows into a normal vertical orientation (shoots up, roots down). How the plant controls the amount and distribution of IAA is only partially understood and is currently under investigation in this laboratory. The question to be answered in the flight experiment concerns the effect of gravity on the concentration, turn over, and distribution of the growth hormone. The answer to this question will aid in understanding the mechanism by which plants control the amount and distribution of growth hormone. Such knowledge of a plant's hormonal metabolism may aid in the growth of plants in space and will lead to agronomic advances.
Document ID
19900004631
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Schulze, Aga (Michigan State Univ. East Lansing, MI, United States)
Jensen, Philip (Michigan State Univ. East Lansing, MI, United States)
Desrosiers, Mark (Michigan State Univ. East Lansing, MI, United States)
Bandurski, Robert S. (Michigan State Univ. East Lansing, MI, United States)
Date Acquired
September 6, 2013
Publication Date
August 1, 1989
Publication Information
Publication: NASA, Ames Research Center, Cells in Space
Subject Category
Space Biology
Accession Number
90N13947
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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