SGD Paper 
Grosshans H, et al. (2000) Review: transport of tRNA out of the nucleus-direct channeling to the ribosome? J Struct Biol 129(2-3):288-94
Abstract: Although tRNA was the first substrate whose export from the nuclei of eukaryotic cells had been shown to be carrier-mediated and active, it has only been in the last 2 years that the first mechanistic details of this nucleocytoplasmic transport pathway have begun to emerge. A member of the importin/karyopherin beta superfamily, Los1p in yeast and Xpo-t in vertebrates, has been shown to export tRNA in cooperation with the small GTPase Ran (Gsp1p) from the nucleus into the cytoplasm, where tRNA becomes available for translation. However, Los1p is not essential for viability in yeast cells, suggesting that alternative tRNA export pathways exist. Recent results show that aminoacylation and a translation factor are also required for efficient nuclear tRNA export. Thus, protein translation and nuclear export of tRNA appear to be coupled processes. Copyright 2000 Academic Press.
| Status: Published | Type: Journal Article | Review | Review, Tutorial | PubMed ID: 10806079 |
Topics addressed in this paper
Number of different genes curated to this paper: 3
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