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Electrical Potentials during Gravitropism in Bean Epicotyls
Author(s) -
Kazuyuki Imagawa,
Kiyoshi Toko,
Shu Ezaki,
Kenshi Hayashi,
Kaoru Yamafuji
Publication year - 1991
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.97.1.193
Subject(s) - gravitropism , epicotyl , amyloplast , botany , chemistry , biophysics , biology , plastid , biochemistry , seedling , chloroplast , arabidopsis , mutant , gene
An apparatus for measuring simultaneously the surface electrical potentials along epicotyl was developed to study the largely bending situation by gravity. Potentials increased on the upper side and decreased on the lower side after the horizontal placement. The time course of electrical changes consisted of two components which correspond to growth movements observed during gravitropism.

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