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Movement of endogenous calcium in the elongating zone of graviresponding roots of Zea maysEndogenous calcium (Ca) accumulates along the lower side of the elongating zone of horizontally oriented roots of Zea mays cv. Yellow Dent. This accumulation of Ca correlates positively with the onset of gravicurvature, and occurs in the cytoplasm, cell walls and mucilage of epidermal cells. Corresponding changes in endogenous Ca do not occur in cortical cells of the elongating zone of intact roots. These results indicate that the calcium asymmetries associated with root gravicurvature occur in the outermost layers of the root.
Document ID
20040090322
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Moore, R.
(Wright State University Dayton, OH 45435)
Cameron, I. L.
Smith, N. K.
Date Acquired
August 21, 2013
Publication Date
January 1, 1989
Publication Information
Publication: Annals of botany
Volume: 63
ISSN: 0305-7364
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
NASA Discipline Number 29-20
Non-NASA Center
NASA Discipline Plant Biology
NASA Program Space Biology

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