Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/72991
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dc.contributor.authorLawlor, K.en
dc.contributor.authorO'Keefe, L.en
dc.contributor.authorSamaraweera, S.en
dc.contributor.authorvan Eyk, C.en
dc.contributor.authorRichards, R.en
dc.date.issued2012en
dc.identifier.citationPLoS One, 2012; 7(6):1-14en
dc.identifier.issn1932-6203en
dc.identifier.issn1932-6203en
dc.identifier.urihttp://hdl.handle.net/2440/72991-
dc.description.abstractExpanded DNA repeat sequences are known to cause over 20 diseases, including Huntington’s disease, several types of spinocerebellar ataxia and myotonic dystrophy type 1 and 2. A shared genetic basis, and overlapping clinical features for some of these diseases, indicate that common pathways may contribute to pathology. Multiple mechanisms, mediated by both expanded homopolymeric proteins and expanded repeat RNA, have been identified by the use of model systems, that may account for shared pathology. The use of such animal models enables identification of distinct pathways and their ‘molecular hallmarks’ that can be used to determine the contribution of each pathway in human pathology. Here we characterise a tergite disruption phenotype in adult flies, caused by ubiquitous expression of either untranslated CUG or CAG expanded repeat RNA. Using the tergite phenotype as a quantitative trait we define a new genetic system in which to examine ‘hairpin’ repeat RNA-mediated cellular perturbation. Further experiments use this system to examine whether pathways involving Muscleblind sequestration or Dicer processing, which have been shown to mediate repeat RNA mediated pathology in other model systems, contribute to cellular perturbation in this model.en
dc.description.statementofresponsibilityKynan T. Lawlor, Louise V. O’Keefe, Saumya E. Samaraweera, Clare L. van Eyk and Robert I. Richardsen
dc.language.isoenen
dc.publisherPublic Library of Scienceen
dc.rightsCopyright: © 2012 Lawlor et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en
dc.subjectAnimals; Humans; Drosophila melanogaster; Huntington Disease; Disease Models, Animal; RNA; Gene Expression Regulation; Trinucleotide Repeat Expansion; Trinucleotide Repeatsen
dc.titleUbiquitous expression of CUG or CAG trinucleotide repeat RNA causes common morphological defects in a Drosophila model of RNA-mediated pathologyen
dc.typeJournal articleen
dc.identifier.doi10.1371/journal.pone.0038516en
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/453674en
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/627183en
pubs.publication-statusPublisheden
dc.identifier.orcidvan Eyk, C. [0000-0003-0345-9944]en
Appears in Collections:Molecular and Biomedical Science publications

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