Movement of endogenous calcium in the elongating zone of graviresponding roots of Zea mays

Randy Moore; Ivan L. Cameron; Nancy K.R. Smith

doi:10.1093/oxfordjournals.aob.a087784

Movement of endogenous calcium in the elongating zone of graviresponding roots of Zea mays

Randy Moore, Ivan L. Cameron, Nancy K.R. Smith

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Abstract

Endogenous 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

Original language	English (US)
Pages (from-to)	589-593
Number of pages	5
Journal	Annals of Botany
Volume	63
Issue number	5
DOIs	https://doi.org/10.1093/oxfordjournals.aob.a087784
State	Published - May 1989

Bibliographical note

Funding Information:
This research was supported by a grant from the National Aeronautics and Space Administration (NASA) and a Research Incentive Grant from Wright State University. We thank D. Olmos and K. Hunter for their excellent technical assistance.

Keywords

Calcium
Corn
Gravitropism (root)
Zea mays

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title = "Movement of endogenous calcium in the elongating zone of graviresponding roots of Zea mays",

abstract = "Endogenous 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",

keywords = "Calcium, Corn, Gravitropism (root), Zea mays",

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year = "1989",

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doi = "10.1093/oxfordjournals.aob.a087784",

language = "English (US)",

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T1 - Movement of endogenous calcium in the elongating zone of graviresponding roots of Zea mays

AU - Moore, Randy

AU - Cameron, Ivan L.

AU - Smith, Nancy K.R.

N1 - Funding Information: This research was supported by a grant from the National Aeronautics and Space Administration (NASA) and a Research Incentive Grant from Wright State University. We thank D. Olmos and K. Hunter for their excellent technical assistance.

PY - 1989/5

Y1 - 1989/5

N2 - Endogenous 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

AB - Endogenous 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

KW - Calcium

KW - Corn

KW - Gravitropism (root)

KW - Zea mays

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JO - Annals of Botany

JF - Annals of Botany

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ER -

Movement of endogenous calcium in the elongating zone of graviresponding roots of Zea mays

Abstract

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Keywords

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