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Science 11 June 1982:
Vol. 216. no. 4551, pp. 1221 - 1223
DOI: 10.1126/science.216.4551.1221
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Articles

Localization of Calcium in Amyloplasts of Root-Cap Cells Using Ion Microscopy

S. CHANDRA 1, J. F. CHABOT 2, G. H. MORRISON 3, and A. C. LEOPOLD 2

1 Department of Chemistry, Cornell University, Ithaca, New York 14853
2 Boyce Thompson Institute, Cornell University
3 Department of Chemistry, Cornell University

An ion microscope has been used to demonstrate that the calcium ion is present in the amyloplasts of root-cap cells of corn, pea, and lettuce. The localization of calcium in the gravity-sensing organelle suggests a possible role of calcium in the gravity-sensing mechanism of plant roots.

Submitted on March 10, 1982


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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K. VELUTHAMBI and B. W. POOVAIAH (1984)
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Reversible Loss of Gravitropic Sensitivity in Maize Roots After Tip Application of Calcium Chelators.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)