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Sequencing and De Novo Transcriptome Assembly of Brachypodium sylvaticum (Poaceae)

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Title Sequencing and De Novo Transcriptome Assembly of Brachypodium sylvaticum (Poaceae)
Names Fox, Samuel E. (creator)
Preece, Justin (creator)
Kimbrel, Jeffrey A. (creator)
Marchini, Gina L. (creator)
Sage, Abigail (creator)
Youens-Clark, Ken (creator)
Cruzan, Mitchell B. (creator)
Jaiswal, Pankaj (creator)
Date Issued 2013-03-05 (iso8601)
Note This is the publisher’s final pdf. The published article is copyrighted by the author(s) and published by the Botanical Society of America. The published article can be found at: http://www.bioone.org/loi/apps.
Abstract PREMISE OF THE STUDY: We report the de novo assembly and characterization of the transcriptomes of Brachypodium sylvaticum
(slender false-brome) accessions from native populations of Spain and Greece, and an invasive population west of Corvallis,
Oregon, USA.
METHODS AND RESULTS: More than 350 million sequence reads from the mRNA libraries prepared from three B. sylvaticum
genotypes were assembled into 120,091 (Corvallis), 104,950 (Spain), and 177,682 (Greece) transcript contigs. In comparison
with the B. distachyon Bd21 reference genome and GenBank protein sequences, we estimate >90% exome coverage for
B. sylvaticum. The transcripts were assigned Gene Ontology and InterPro annotations. Brachypodium sylvaticum sequence
reads aligned against the Bd21 genome revealed 394,654 single-nucleotide polymorphisms (SNPs) and >20,000 simple
sequence repeat (SSR) DNA sites.
CONCLUSIONS: To our knowledge, this is the first report of transcriptome sequencing of invasive plant species with a closely
related sequenced reference genome. The sequences and identified SNP variant and SSR sites will provide tools for developing
novel genetic markers for use in genotyping and characterization of invasive behavior of B. sylvaticum.
Genre Article
Access Condition http://creativecommons.org/licenses/by-nc-sa/3.0/us/
Topic Brachypodium sylvaticum
Identifier Fox, S. E., Preece, J., Kimbrel, J. A., Marchini, G. L., Sage, A., Youens-Clark, K., ... & Jaiswal, P. (2013). Sequencing and de novo transcriptome assembly of Brachypodium sylvaticum (Poaceae). Applications in Plant Sciences, 1(3), 1200011. doi:10.3732/apps.1200011

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