SGD Paper 
Belgareh-Touze N, et al. (2003) Yeast functional analysis: identification of two essential genes involved in ER to Golgi trafficking. Traffic 4(9):607-17
Abstract: We screened for genes potentially involved in the secretory and vacuolar pathways a collection of 61 yeast strains, each bearing an essential orphan gene regulated by the tetO7-CYC1 promoter that can be down-regulated by doxycycline. After down-regulating the expression of these genes, we performed systematic Western blot analysis for markers of the secretory and vacuolar pathways that undergo post-translational modifications in their intracellular trafficking. Accumulation of protein precursors, revealed by Western immunoblot analysis, indicates defects in the secretory pathway or in associated biochemical modifications. After screening the whole collection, we identified two genes involved in ER to Golgi trafficking: RER2, a cis-prenyl transferase, and USE1, the function of which was unknown. We demonstrated that repression of USE1 also leads to BiP secretion, and therefore likely affects retrograde, in addition to anterograde, ER to Golgi trafficking. The collection also includes two essential genes involved in intracellular trafficking that were conveniently repressed without resulting growth or trafficking defects.
| Status: Published | Type: Journal Article | PubMed ID: 12911815 |
Topics addressed in this paper
Number of different genes curated to this paper: 2
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