Article
Pressure-induced differential regulation of the two tryptophan permeases Tat1 and Tat2 by ubiquitin ligase Rsp5 and its binding proteins, Bul1 and Bul2.
Molecular and cellular biology - 1 Nov 2003
Abe Fumiyoshi, Iida Hidetoshi
Abstract excerpt
Tryptophan uptake appears to be the Achilles' heel in yeast physiology, since under a variety of seemingly diverse toxic conditions, it becomes the limiting factor for cell growth. When growing cells of Saccharomyces cerevisiae are subjected to high hydrostatic pressure, tryptophan uptake is down-regulated, leading to cell cycle arrest in the G(1) phase. Here we present evidence that the two tryptophan permeases...
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