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Roth JF, et al.  (2000) Possible regulatory function of the Saccharomyces cerevisiae Ty1 retrotransposon core protein. Yeast 16(10):921-32

Abstract: The yeast Ty1 retrotransposon encodes proteins and RNA that assemble into virus-like particles (VLPs) as part of the life cycle of the retro-element. The Tya protein, which is equivalent to the retroviral Gag, is the major structural component of these particles. In this work, we demonstrate that Tya proteins fulfil other functions apart from their structural role. We show that Tya interacts in vitro with the Ty1 RNA domain required for RNA packaging, suggesting that this RNA-protein interaction may direct the packaging process. Furthermore, the overexpression of both Tya proteins, i.e. p1, the primary translation product, and p2, the mature form, increases endogenous Ty1 RNA levels in trans without increasing translation significantly. These observations suggest that Tya may exert a regulatory function during transposition. Interestingly, however, only p2, the mature form of Tya, trans-activates transposition of a marked genomic Ty element. This confirms that processing is required for transposition.CI - Copyright 2000 John Wiley & Sons, Ltd.

Status: Published Type: Journal Article PubMed ID: 10870103

Topics addressed in this paper

Number of different genes curated to this paper: 91

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Topics Genes linked to topics (#1 - 10 )
YAR009C YAR010C YBL005W-A YBL005W-B YBL100W-A YBL100W-B YBR012W-A YBR012W-B YCL019W YCL020W
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Topics Genes linked to topics (#11 - 20 )
YDR034C-C YDR034C-D YDR098C-A YDR098C-B YDR170W-A YDR210C-C YDR210C-D YDR210W-A YDR210W-B YDR261C-C
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Topics Genes linked to topics (#21 - 30 )
YDR261C-D YDR261W-A YDR261W-B YDR316W-A YDR316W-B YDR365W-A YDR365W-B YER137C-A YER138C YER159C-A
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Topics Genes linked to topics (#31 - 40 )
YER160C YFL002W-A YFL002W-B YGR027W-A YGR027W-B YGR038C-A YGR038C-B YGR109W-A YGR109W-B YGR161C-C
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Topics Genes linked to topics (#41 - 50 )
YGR161C-D YGR161W-A YGR161W-B YHL009W-A YHL009W-B YHR214C-B YHR214C-C YIL082W YIL082W-A YJL113W
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Topics Genes linked to topics (#51 - 60 )
YJL114W YJR026W YJR027W YJR028W YJR029W YLR035C-A YLR157C-A YLR157C-B YLR227W-A YLR227W-B
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Topics Genes linked to topics (#61 - 70 )
YLR256W-A YLR410W-A YLR410W-B YML039W YML040W YML045W YML045W-A YMR045C YMR046C YMR050C
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Topics Genes linked to topics (#71 - 80 )
YMR051C YNL054W-A YNL284C-A YNL284C-B YOL103W-A YOL103W-B YOR142W-A YOR142W-B YOR192C-A YOR192C-B
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Topics Genes linked to topics (#81 - 90 )
YOR343W-A YOR343W-B YPL060C-A YPL257W-A YPL257W-B YPR137C-A YPR137C-B YPR158C-C YPR158C-D YPR158W-A
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Regulatory Role blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball blue ball
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Topics Genes linked to topics (#91 )
YPR158W-B
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Protein-Nucleic Acid Interactions blue ball
Regulatory Role blue ball

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