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. 2019 May 21;10:610. doi: 10.3389/fpls.2019.00610

FIGURE 6.

FIGURE 6

Immunocytochemical localization of V5-tagged FuT54599 and V5-tagged GnT I in the Golgi apparatus of P. tricornutum. Transmission Electron micrographs of HPF/FS P. tricornutum cells which were embedded in LRW resin. (A) View showing a Golgi apparatus of P. tricornutum oriented as previously described for algae cells in Donohoe et al. (2007, 2013). (B) Localization of the V5-tagged GnT I in the medial-trans Golgi cisternae of P. tricornutum Golgi apparatus after immunolabelling with a mouse anti-V5 antibody used as a primary antibody (dilution 1/20) and a secondary antibody coupled to 10 nm gold beads (dilution 1/20) and then contrasted with uranyl acetate and lead citrate. (C) Localization of the V5-tagged FuT54599 in the median-trans Golgi cisternae of P. tricornutum Golgi apparatus after immunolabelling with a rabbit anti-V5 antibody used as a primary antibody (dilution 1/20) and a secondary antibody coupled to 10 nm gold beads (dilution 1/20) and then contrasted with uranyl acetate and lead citrate. N, nucleus; G, Golgi apparatus with cis and medial/trans cisternae; V, vacuole; m, mitochondria; p, pyrenoid; C, chloroplast; Cw, cell wall. Scale bar: 0.5 μm. Please refer to the Supplementary Figure S4 for negative controls.