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Rubidium Transport in Membrane Vesicles from the Halophyte Suaeda maritima
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posted on 2023-06-08, 11:30 authored by C D Field, Tim Flowers, J L HallThe 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 BotanyISSN
0305-7364Publisher
Oxford University PressPublisher URL
Issue
4Volume
46Page range
401-407Department affiliated with
- Evolution, Behaviour and Environment Publications
Notes
Times Cited: 3 Field, cd flowers, tj hall, jlFull text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-05-22Usage metrics
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