Words similar to gfp-nups
Example sentences for: gfp-nups
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After 4 hours at 34°, the same conditions that cause GFP-Nup mislocalization in the other assayed sec mutants, the GFP-Nups in sec6-4 remained localized to the NPC in the characteristic, punctate NE rim pattern (Figure 7).
Logarithmically growing cultures of npa1-1/sec23 and npa2-1/sec13 were shifted to the non-permissive temperature as before and then fixed and processed for IF with polyclonal antibodies against Kar2p to visualize the ER [ 45 ] . The monoclonal antibody mAb414, which recognizes a subset of Nups distinct from Nic96p and Nup170p [ 46 ] , was also used because the GFP fluorescence of the GFP-Nups was more sensitive to fixation when the GFP-Nups were mislocalized than when they remained at the nuclear rim (unpublished observation).
Three morphological classes include sec mutants with extended networks of ER membrane, those with accumulated Golgi, and a third with accumulated 80-100 nm secretory vesicles [ 37 ] . The morphological perturbations directly correlate with distinct secretory pathway blocks: ER-Golgi, intra-Golgi, and Golgi-plasma membrane [ 44 ] . A recent study in S. pombe has also shown that sec mutants can affect NE and cell cycle progression [ 55 ] . In addition to sec13 , our screen also identified mutant alleles of SEC23 , SEC27 and BET3 . The mislocalization of GFP-Nups in sec13 and sec23 mutants was coincident with the formation of extensive honeycomb networks of ER.
We feel this conclusion is also supported by our observation that the distribution of GFP-Nups was altered in mutants for all COPII coat components.
Instead, most mutants lost the exclusive, punctate nuclear rim localization, the GFP-Nups were present in areas distinct from the NE and often in discrete foci (Figure 2, panels G and K).
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