Aquaporin tetramer composition modifies the function of tobacco aquaporins.

@article{Otto2010AquaporinTC,
  title={Aquaporin tetramer composition modifies the function of tobacco aquaporins.},
  author={Beate Otto and Norbert Uehlein and Sven Sdorra and Matthias G Fischer and Muhammad Ayaz and Xana Belastegui-Macadam and Marlies Heckwolf and Magdalena Lachnit and Nadine Pede and Nadine Priem and Andr{\'e} Reinhard and Sven Siegfart and Michael Urban and Ralf Kaldenhoff},
  journal={The Journal of biological chemistry},
  year={2010},
  volume={285 41},
  pages={
          31253-60
        }
}
Heterologous expression in yeast cells revealed that NtAQP1, a member of the so-called PIP1 aquaporin subfamily, did not display increased water transport activity in comparison with controls. Instead, an increased CO(2)-triggered intracellular acidification was observed. NtPIP2;1, which belongs to the PIP2 subfamily of plant aquaporins, behaved as a true aquaporin but lacked a CO(2)-related function. Results from split YFP experiments, protein chromatography, and gel electrophoresis indicated… CONTINUE READING

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