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

Yoshitake Hayashi | Zendy; Hiroki Nishiyama | Zendy; Keitaro Tanoi | Zendy; Tomoyuki Ohya | Zendy; Naoto Nihei | Zendy; Kenkichi Tanioka | Zendy; Tomoko Nakanishi | Zendy

Open Access

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

Author(s) -

Yoshitake Hayashi,

Hiroki Nishiyama,

Keitaro Tanoi,

Tomoyuki Ohya,

Naoto Nihei,

Kenkichi Tanioka,

Tomoko Nakanishi

Publication year - 2004

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pch042

Subject(s) - elongation , harp , rotation (mathematics) , root (linguistics) , materials science , high speed camera , root tip , physics , optics , biophysics , botany , composite material , biology , mathematics , ultimate tensile strength , geometry , linguistics , philosophy , quantum mechanics

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 microM 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.

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