Characterization of Passive Ion Transport in Plasma Membrane Vesicles of Oat Roots 1

AUTOR(ES)
RESUMO

The passive influx and efflux of inorganic ions across plasma membrane vesicles purified from extracts of Avena sativa roots were investigated. Uptake was measured by incubating the vesicles in a radioisotope for various times. The “loaded” vesicles were separated from the external solution by gel filtration. Efflux was measured by dialyzing the preloaded vesicles.

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