Phytochrome-induced Increase of Fluorescein Translocation in Mung Bean Hypocotyls | Zendy

Takuma Tanada | Zendy

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Phytochrome-induced Increase of Fluorescein Translocation in Mung Bean Hypocotyls

Author(s) -

Takuma Tanada

Publication year - 1978

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.62.1.105

Subject(s) - hypocotyl , phytochrome , vigna , chromosomal translocation , radiata , irradiation , biophysics , fluorescein , mung bean , biology , far red , chemistry , botany , red light , biochemistry , horticulture , fluorescence , physics , optics , nuclear physics , gene

Moderate doses of red (660 nanometer) irradiation cause a rapid increase in the translocation of fluorescein in dark-grown mung bean hypocotyl (Vigna radiata L.) segments. The increase fails to appear following large doses of red (660 nanometers) irradiation. The red induced increase is prevented by a subsequent far red (730 nanometer) irradiation. Reversibility suggests the participation of phytochrome in the process. The increase in translocation is attributed to the generation of a positive electrostatic charge in the plasma membrane by some action of phytochrome on membrane molecules.

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