Toolbox: Creating a systematic database of secretory pathway proteins uncovers new cargo for COPI
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Toolbox: Creating a systematic database of secretory pathway proteins uncovers new cargo for COPI. / Weill, Uri; Arakel, Eric C; Goldmann, Omer; Golan, Matan; Chuartzman, Silvia; Munro, Sean; Schwappach, Blanche; Schuldiner, Maya.
In: TRAFFIC, Vol. 19, No. 5, 05.2018, p. 370-379.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Toolbox: Creating a systematic database of secretory pathway proteins uncovers new cargo for COPI
AU - Weill, Uri
AU - Arakel, Eric C
AU - Goldmann, Omer
AU - Golan, Matan
AU - Chuartzman, Silvia
AU - Munro, Sean
AU - Schwappach, Blanche
AU - Schuldiner, Maya
N1 - © 2018 The Authors. Traffic published by John Wiley & Sons Ltd.
PY - 2018/5
Y1 - 2018/5
N2 - A third of yeast genes encode for proteins that function in the endomembrane system. However, the precise localization for many of these proteins is still uncertain. Here, we visualized a collection of ~500 N-terminally, green fluorescent protein (GFP), tagged proteins of the yeast Saccharomyces cerevisiae. By co-localizing them with 7 known markers of endomembrane compartments we determined the localization for over 200 of them. Using this approach, we create a systematic database of the various secretory compartments and identify several new residents. Focusing in, we now suggest that Lam5 resides in contact sites between the endoplasmic reticulum and the late Golgi. Additionally, analysis of interactions between the COPI coat and co-localizing proteins from our screen identifies a subset of proteins that are COPI-cargo. In summary, our approach defines the protein roster within each compartment enabling characterization of the physical and functional organization of the endomembrane system and its components.
AB - A third of yeast genes encode for proteins that function in the endomembrane system. However, the precise localization for many of these proteins is still uncertain. Here, we visualized a collection of ~500 N-terminally, green fluorescent protein (GFP), tagged proteins of the yeast Saccharomyces cerevisiae. By co-localizing them with 7 known markers of endomembrane compartments we determined the localization for over 200 of them. Using this approach, we create a systematic database of the various secretory compartments and identify several new residents. Focusing in, we now suggest that Lam5 resides in contact sites between the endoplasmic reticulum and the late Golgi. Additionally, analysis of interactions between the COPI coat and co-localizing proteins from our screen identifies a subset of proteins that are COPI-cargo. In summary, our approach defines the protein roster within each compartment enabling characterization of the physical and functional organization of the endomembrane system and its components.
KW - Coat Protein Complex I/metabolism
KW - Databases, Protein
KW - Golgi Apparatus/metabolism
KW - Protein Transport
KW - Saccharomyces cerevisiae
KW - Saccharomyces cerevisiae Proteins/metabolism
KW - Secretory Pathway
U2 - 10.1111/tra.12560
DO - 10.1111/tra.12560
M3 - SCORING: Journal article
C2 - 29527758
VL - 19
SP - 370
EP - 379
JO - TRAFFIC
JF - TRAFFIC
SN - 1398-9219
IS - 5
ER -