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Biochim Biophys Acta. 2002 Aug 19;1564(1):9-13.

Phosphatidyl ethanolamine is essential for targeting the arginine transporter Can1p to the plasma membrane of yeast.

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Institute of Microbiology, Czech Academy of Sciences, Prague, Czech Republic.


In continuation of our previous study, we show that phosphatidyl ethanolamine (PE) depletion affects, in addition to amino acid transporters, activities of at least two other proton motive force (pmf)-driven transporters (Ura4p and Mal6p). For Can1p, we demonstrate that the lack of PE results in a failure of the permease targeting to plasma membrane. Despite the pleiotropic effect of PE depletion, a specific role of PE in secretion of a defined group of permeases can be distinguished. Pmf-driven transporters are more sensitive to the lack of PE than other plasma membrane proteins.

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