Review Article

Conserved Molecular Mechanisms Underlying Homeostasis of the Golgi Complex

Table 2

Evolutionarily conserved molecules, machineries, and principles involved in intra-Golgi transport that could underlie the homeostasis of the Golgi complex.

MammalsYeastComment

Lipid metabolism Cholesterol/sphingolipidsLipid metabolism Ergosterol/sphingolipidsProtein organization due to affinity for lipid subdomains

PI4KIII Pik1Same regulatory mechanism underlying PI(4)P metabolism
Sac1Sac1

GOLPH3VPS74Coincidence detector for Golgi resident localisation
PI(4)PPI(4)P
(COPI)COPI

COPICOPIDifferent isoforms distributed over the Golgi

ArfGAPsArfGAPsDifferent isoforms distributed over the Golgi
ArfGEFsArfGEFs

Arf1Arf1Distributed over the Golgi

GOG1-4, GOG5-8GOG1-4, GOG5-8Two conserved COG subcomplexes

Rab6Ypt6Small GTPase governing retrograde transport

SNAREsSNAREsSame basic distribution in the Golgi