Beta vulgarisBetalainsFood Coloring AgentsPermeabilityCell Membrane PermeabilityCell MembranePotassium CompoundsBeveragesCapillary PermeabilityNitratesMembranesPlant RootsMembrane LipidsMembrane PotentialsIntracellular MembranesMembranes, ArtificialErythrocyte MembranePlant ExtractsMembrane FluidityBasement MembraneMicroscopy, ElectronCalciumLipid BilayersCell LineCells, CulturedModels, BiologicalMembrane Transport ProteinsMembrane GlycoproteinsPotassiumLiposomesProtein TransportMitochondrial MembranesErythrocytesHydrogen-Ion ConcentrationSodiumProtein BindingWaterIon ChannelsTight JunctionsBiological Transport, ActiveDiffusionTime FactorsMicroscopy, FluorescenceMolecular Sequence DataMitochondrial Membrane Transport ProteinsRabbitsOsmosisKineticsPhosphatidylcholinesChloridesElectric ConductivityAquaporinsSynaptic MembranesAmino Acid SequenceCarrier ProteinsEscherichia coliFluorescent DyesMitochondriaMicroscopy, ConfocalProtein Structure, TertiaryFreeze FracturingMutationTemperatureCell FractionationBlood-Brain BarrierElectrophoresis, Polyacrylamide GelDetergentsMannitolBacterial ProteinsCattleSignal TransductionCell Membrane StructuresMolecular WeightBiological TransportAdenosine TriphosphateCytoplasmSolubilityRats, Sprague-DawleyRecombinant Fusion ProteinsEpitheliumEndoplasmic ReticulumFluorescent Antibody TechniqueIntercellular JunctionsBlotting, WesternBinding SitesCricetinaeAquaporin 1EndocytosisLactuloseMicrovilliGolgi ApparatusMembrane ProteinsEpithelial CellsModels, MolecularRecombinant ProteinsSubcellular FractionsMembrane Potential, MitochondrialCholesterolOsmolar ConcentrationFluoresceins