Article
Osmotic shrinkage of cells of Synechocystis sp. PCC 6803 by water efflux via aquaporins regulates osmostress-inducible gene expression.
Microbiology (Reading, England) - 1 Feb 2005
Shapiguzov Alexey, Lyukevich Alexander A, Allakhverdiev Suleyman I, Sergeyenko Tatiana V, Suzuki Iwane, Murata Norio, Los Dmitry A
Abstract excerpt
Osmotic stress causes water molecules to efflux from cells through the cytoplasmic membrane. This study reveals that targeted mutation of the aqpZ gene, encoding an aquaporin water channel protein, in the cyanobacterium Synechocystis sp. PCC 6803 prevents the osmotic shrinkage of cells, suggesting that it is the water channel rather than the lipid bilayer that is primarily responsible for water transition through...
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