article 8 complementary RNA controlled study 8 Animals 6 Recombinant Proteins 6 Xenopus laevis 6 nonhuman 6 oocyte 6 protein expression 6 protein function 6 Amino Acid Sequence 4 Aquaporins 4 Beta vulgaris 4 Cell Membrane Permeability 4 Conserved Sequence 4 Hydrogen-Ion Concentration 4 Molecular Dynamics Simulation 4 Molecular Sequence Data 4 Mutant Proteins 4 Osmosis 4 Plant Proteins 4 Protein Binding 4 Protein Structure, Secondary 4 RNA synthesis 4 Structure-Activity Relationship 4 aquaporin 4 beet 4 cell membrane 4 confocal microscopy 4 dose response 4