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Dynamics of auxin movement in the gravistimulated leaf-sheath pulvinus of oat (Avena sativa)The role of auxin redistribution in the graviresponse of the leaf-sheath pulvinus of oat was evaluated using H-3-indole-3-acetic acid (H-3-IAA) preloaded into isolated pulvini. Results obtained reveal that, while lateral transport of auxin occurs following gravistimulation, it is not necessary for a graviresponse. Localized changes in tissue responsiveness or the conversion of conjugated hormone to free hormone may suffice to drive the graviresponse.
Document ID
19930062475
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Brock, Thomas C.
(NASA Headquarters Washington, DC United States)
Kapen, E. H.
(Michigan Univ. Ann Arbor, United States)
Ghosheh, Najati S.
(East Michigan Univ. Ypsilanti, MI, United States)
Kaufman, Peter B.
(Michigan Univ. Ann Arbor, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1991
Publication Information
Publication: Journal of Plant Physiology
ISSN: 0176-1617
Subject Category
Life Sciences (General)
Accession Number
93A46472
Funding Number(s)
CONTRACT_GRANT: NAGW-1600
Distribution Limits
Public
Copyright
Other

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