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Higher plant metabolism and energetics in hypogravity : Amino acid metabolism in higher plants

Author
Mazelis, M.
Published
Oct 31, 1976.
Physical Description
1 electronic document
Online Version

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Summary
Laboratory's investigation into the amino acid metabolism of dwarf marigolds exposed to an environment of simulated hypogravity is summarized. Using both in vivo, and/or in vitro studies, the following effects of hypogravitational stress have been shown: (1) increased proline incorporation into cell wall protein, (2) inhibition of amino acid decarboxylation, (3) decrease in glutamic acid decarboxylase activity; and (4) decrease in the relative amount of a number of soluble amino acids present in deproteinized extracts of marigold leaves. It is concluded from these data there are several rapid, major alterations in amino acid metabolism associated with hypogravitational stress in marigolds. The mechanism(s) and generality of these effects with regard to other species is still unknown.
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Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19770026896.
Accession ID: 77N33840.
NASA-CR-155198.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15730980