Gravity and Intracellular Differences in Membrane Potentials of Plant Cells | Zendy

Bud Etherton | Zendy; R. R. Dedolph | Zendy

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Gravity and Intracellular Differences in Membrane Potentials of Plant Cells

Author(s) -

Bud Etherton,

R. R. Dedolph

Publication year - 1972

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.49.6.1019

Subject(s) - coleoptile , membrane , intracellular , biophysics , zea mays , membrane potential , polarization (electrochemistry) , chemistry , botany , biology , physics , microbiology and biotechnology , biochemistry , agronomy

The electrical potentials across the cell membranes of the lower parts of Zea mays coleoptile cells are about 2 millivolts more negative than across the upper parts. This electrical polarization with respect to gravity occurs when coleoptiles are oriented with their apical ends either up or down and seems independent of the magnitude of the potential when the potential is modified by other treatments.

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