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Rubidium Transport in Membrane Vesicles from the Halophyte Suaeda maritima

journal contribution
posted on 2023-06-08, 11:30 authored by C D Field, Tim Flowers, J L Hall
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.

History

Publication status

  • Published

Journal

Annals Botany

ISSN

0305-7364

Publisher

Oxford University Press

Issue

4

Volume

46

Page range

401-407

Department affiliated with

  • Evolution, Behaviour and Environment Publications

Notes

Times Cited: 3 Field, cd flowers, tj hall, jl

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-05-22

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