Abscisic Acid Increases Terrestrial Plant Cell Resistance to Hydrostatic Pressure | Zendy

Karen Tanino | Zendy; ChienJen Chen | Zendy; Leslie H. Fuchigami | Zendy; C. J. Weiser | Zendy

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Abscisic Acid Increases Terrestrial Plant Cell Resistance to Hydrostatic Pressure

Author(s) -

Karen Tanino,

ChienJen Chen,

Leslie H. Fuchigami,

C. J. Weiser

Publication year - 1992

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.98.2.745

Subject(s) - abscisic acid , hydrostatic pressure , bromus inermis , botany , biology , hydrostatic equilibrium , drought resistance , biochemistry , poaceae , gene , physics , quantum mechanics , thermodynamics

Cells of the terrestrial plant species bromegrass (Bromus inermis L.) are not naturally adapted to withstand the hydrostatic pressures encountered in aquatic environments. However, after treatment with the natural plant growth hormone abscisic acid (75 micromolar), bromegrass cells survived a hydrostatic pressure of 101.3 megapascals, approximating the limits of ocean depth (10,860 m). The increased resistance to hydrostatic pressure from 1 to 7 days of abscisic acid treatment paralleled the induced elevation of cell tolerance to freezing stress.

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