Title: Localization of the Lys, Asp, Glu, Leu tetrapeptide receptor to the Golgi complex and the intermediate compartment in mammalian cells Document date: 1994_12_2
ID: 13eqppt9_35
Snippet: The extent of colocalization of the KDEL-R with rabl was next analyzed by double labeling of cryosections of SLOpermeabilized, uninfected L cells. As is evident in Fig. 8 , there was extensive colocalization of these two proteins, a phenomenon most prominently seen on one side of the Golgi stack and in the IC, evident as membrane structures extending from the stack. The KDEL-R also tended to label the whole stack (Fig. 8, A-C) , albeit with a hig.....
Document: The extent of colocalization of the KDEL-R with rabl was next analyzed by double labeling of cryosections of SLOpermeabilized, uninfected L cells. As is evident in Fig. 8 , there was extensive colocalization of these two proteins, a phenomenon most prominently seen on one side of the Golgi stack and in the IC, evident as membrane structures extending from the stack. The KDEL-R also tended to label the whole stack (Fig. 8, A-C) , albeit with a high variability from one stack to the next, as before. The three-dimensional complexity of the Golgi complex is especially evident in Fig. 8 D, where a cisterna labeled for both rabl and the KDEL-R appears to wrap around two unlabeled cisternae. This double labeling analysis is consistent with the results of the MHVinfected cells, with both sets of experiments arguing strongly for a significant concentration of the KDEL-R in the IC and in the Golgi complex.
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