Visualization and analysis of RNA-Seq assembly graphs

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NAZARIE, Fahmi W., Barbara SHIH, Tim ANGUS, Mark W BARNETT, Sz-Hau CHEN, Kim M. SUMMERS, Karsten KLEIN, Geoffrey J. FAULKNER, Harpreet K. SAINI, Mick WATSON, Stijn van DONGEN, Anton J. ENRIGHT, Tom C. FREEMAN, 2019. Visualization and analysis of RNA-Seq assembly graphs. In: Nucleic acids research. 47(14), pp. 7262-7275. ISSN 0305-1048. eISSN 1362-4962. Available under: doi: 10.1093/nar/gkz599

@article{Nazarie2019-08-22Visua-47031, title={Visualization and analysis of RNA-Seq assembly graphs}, year={2019}, doi={10.1093/nar/gkz599}, number={14}, volume={47}, issn={0305-1048}, journal={Nucleic acids research}, pages={7262--7275}, author={Nazarie, Fahmi W. and Shih, Barbara and Angus, Tim and Barnett, Mark W and Chen, Sz-Hau and Summers, Kim M. and Klein, Karsten and Faulkner, Geoffrey J. and Saini, Harpreet K. and Watson, Mick and Dongen, Stijn van and Enright, Anton J. and Freeman, Tom C.} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dcterms:title>Visualization and analysis of RNA-Seq assembly graphs</dcterms:title> <dc:creator>Barnett, Mark W</dc:creator> <dc:contributor>Angus, Tim</dc:contributor> <dc:creator>Nazarie, Fahmi W.</dc:creator> <dc:creator>Dongen, Stijn van</dc:creator> <dc:contributor>Faulkner, Geoffrey J.</dc:contributor> <dcterms:isPartOf rdf:resource=""/> <dc:rights>Attribution 4.0 International</dc:rights> <dc:contributor>Enright, Anton J.</dc:contributor> <dc:creator>Freeman, Tom C.</dc:creator> <dc:contributor>Watson, Mick</dc:contributor> <dc:contributor>Freeman, Tom C.</dc:contributor> <dcterms:hasPart rdf:resource=""/> <dc:creator>Summers, Kim M.</dc:creator> <dc:language>eng</dc:language> <dc:contributor>Klein, Karsten</dc:contributor> <dc:contributor>Saini, Harpreet K.</dc:contributor> <dc:creator>Watson, Mick</dc:creator> <dspace:isPartOfCollection rdf:resource=""/> <dc:creator>Chen, Sz-Hau</dc:creator> <dc:creator>Saini, Harpreet K.</dc:creator> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:creator>Enright, Anton J.</dc:creator> <dcterms:available rdf:datatype="">2019-09-25T13:39:20Z</dcterms:available> <dcterms:abstract xml:lang="eng">RNA-Seq is a powerful transcriptome profiling technology enabling transcript discovery and quantification. Whilst most commonly used for gene-level quantification, the data can be used for the analysis of transcript isoforms. However, when the underlying transcript assemblies are complex, current visualization approaches can be limiting, with splicing events a challenge to interpret. Here, we report on the development of a graph-based visualization method as a complementary approach to understanding transcript diversity from short-read RNA-Seq data. Following the mapping of reads to a reference genome, a read-to-read comparison is performed on all reads mapping to a given gene, producing a weighted similarity matrix between reads. This is used to produce an RNA assembly graph, where nodes represent reads and edges similarity scores between them. The resulting graphs are visualized in 3D space to better appreciate their sometimes large and complex topology, with other information being overlaid on to nodes, e.g. transcript models. Here we demonstrate the utility of this approach, including the unusual structure of these graphs and how they can be used to identify issues in assembly, repetitive sequences within transcripts and splice variants. We believe this approach has the potential to significantly improve our understanding of transcript complexity.</dcterms:abstract> <dc:contributor>Summers, Kim M.</dc:contributor> <dc:contributor>Barnett, Mark W</dc:contributor> <dspace:hasBitstream rdf:resource=""/> <dc:creator>Angus, Tim</dc:creator> <dcterms:rights rdf:resource=""/> <dc:creator>Faulkner, Geoffrey J.</dc:creator> <bibo:uri rdf:resource=""/> <dc:contributor>Dongen, Stijn van</dc:contributor> <dc:creator>Klein, Karsten</dc:creator> <dc:contributor>Shih, Barbara</dc:contributor> <dcterms:issued>2019-08-22</dcterms:issued> <dc:contributor>Chen, Sz-Hau</dc:contributor> <dc:date rdf:datatype="">2019-09-25T13:39:20Z</dc:date> <dc:creator>Shih, Barbara</dc:creator> <dc:contributor>Nazarie, Fahmi W.</dc:contributor> </rdf:Description> </rdf:RDF>

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