Rubidium Transport in Membrane Vesicles from the Halophyte Suaeda maritima

Field, C D, Flowers, T J and Hall, J L (1980) Rubidium Transport in Membrane Vesicles from the Halophyte Suaeda maritima. Annals Botany, 46 (4). pp. 401-407. ISSN 0305-7364

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Abstract

The uptake and efflux of Rb+ by membrane vesicles isolated from shoots of the halophyte Suaeda maritima have been investigated. Uptake came to an apparent equilibrium after 1 h and the initial rate of uptake was considerably slower than that reported for bacterial membrane vesicles Additions of ATP reduced both Rb+ uptake and the half-time for loss in efflux experiments, although this effect was not specific for ATP and probably was not associated with energy transfer The permeability coefficient for Rb+ was calculated to be between 0 1 and 0 3 × 10−2 cm s−1. The value of membrane vesicles in ion transport studies in plants is discussed.

Item Type: Article
Additional Information: Times Cited: 3 Field, cd flowers, tj hall, jl
Schools and Departments: School of Life Sciences > Evolution, Behaviour and Environment
Subjects: Q Science
Depositing User: Catrina Hey
Date Deposited: 22 May 2012 10:59
Last Modified: 30 Nov 2012 17:12
URI: http://sro.sussex.ac.uk/id/eprint/39045
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