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Open Access Green as soon as Postprint is submitted to ZB.
ASH1 mRNP-core factors form stable complexes in absence of cargo RNA at physiological conditions.
RNA Biol. 12, 233-237 (2015)
Asymmetric ASH1 mRNA transport during mitosis of budding yeast constitutes one of the best-studied examples of mRNA localization. Recently, 2 studies used in vitro motility assays to prove that motile ASH1 mRNA-transport complexes can be reconstituted entirely from recombinant factors. Both studies, however, differed in their conclusions on whether cargo RNA itself is required for particle assembly and thus activation of directional transport. Here we provide direct evidence that stable complexes do assemble in absence of RNA at physiologic conditions and even at ionic strengths above cellular levels. These results directly confirm the previous notion that the ASH1 transport machinery is not activated by the cargo RNA itself, but rather through protein-protein interactions.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Ash1 Mrna ; Myo4p ; Rna Localization ; She2p ; She3p ; Budding Yeast ; In Vitro Reconstitution ; Mrnp ; Macromolecular Assembly ; Myosin; Class-v Myosin; Messenger-rna; Binding Protein; Saccharomyces-cerevisiae; Translational Repression; Monomeric Myosin; Budding Yeast; Transport; Localization; Myo4p
ISSN (print) / ISBN
1547-6286
e-ISSN
1555-8584
Journal
RNA Biology
Quellenangaben
Volume: 12,
Issue: 3,
Pages: 233-237
Publisher
Landes Bioscience
Publishing Place
Philadelphia
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Structural Biology (STB)