Journal Article

An Aluminum Influence on Root Circumnutation in Dark Revealed by a New Super-HARP (High-gain Avalanche Rushing Amorphous Photoconductor) Camera

Yoshitake Hayashi, Hiroki Nishiyama, Keitaro Tanoi, Tomoyuki Ohya, Naoto Nihei, Kenkichi Tanioka and Tomoko M. Nakanishi

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 45, issue 3, pages 351-356
Published in print March 2004 | ISSN: 0032-0781
Published online March 2004 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pch042
An Aluminum Influence on Root Circumnutation in Dark Revealed by a New Super-HARP (High-gain Avalanche Rushing Amorphous Photoconductor) Camera

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  • Biochemistry
  • Molecular and Cell Biology
  • Plant Sciences and Forestry

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The circumnutation of a rice root under dark conditions was observed using a highly sensitive camera, a new super-HARP camera. A rice root showed regular rhythmic movement with fixed angle. When treated with Al (5 µM AlCl3), the rotation angle of the root tip was drastically decreased and then the movement was resumed again, whereas the root elongation rate was constant. With the increase of Al concentration, the cycle-fading period became shorter. This is the first report to show that an Al treatment ceased the rotation movement of the root but not elongation.

Keywords: Keywords: Aluminum — Root circumnutation in the dark — Rice — Root rotation angle — Super-HARP camera.

Journal Article.  3604 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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