Production of a Reference Transcriptome and Transcriptomic Database (PocilloporaBase) for the Cauliflower Coral, Pocillopora damicornis

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Production of a Reference Transcriptome and Transcriptomic Database (PocilloporaBase) for the Cauliflower Coral, Pocillopora damicornis

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Title: Production of a Reference Transcriptome and Transcriptomic Database (PocilloporaBase) for the Cauliflower Coral, Pocillopora damicornis
Author: Traylor-Knowles, Nikki; Granger, Brian R; Lubinski, Tristan J; Parikh, Jignesh R; Garamszegi, Sara; Finnerty, John R; Xia, Yu; Marto, Jarrod; Kaufman, Les

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Citation: Traylor-Knowles, Nikki, Brian R. Granger, Tristan J. Lubinski, Jignesh R. Parikh, Sara Garamszegi, Yu Xia, Jarrod A. Marto, Les Kaufman, and John R. Finnerty. 2011. Production of a reference transcriptome and transcriptomic database (Pocilloporabase) for the cauliflower coral, Pocillopora damicornis. BMC Genomics 12:585.
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Abstract: Background: Motivated by the precarious state of the world's coral reefs, there is currently a keen interest in coral transcriptomics. By identifying changes in coral gene expression that are triggered by particular environmental stressors, we can begin to characterize coral stress responses at the molecular level, which should lead to the development of more powerful diagnostic tools for evaluating the health of corals in the field. Furthermore, the identification of genetic variants that are more or less resilient in the face of particular stressors will help us to develop more reliable prognoses for particular coral populations. Toward this end, we performed deep mRNA sequencing of the cauliflower coral, Pocillopora damicornis, a geographically widespread Indo-Pacific species that exhibits a great diversity of colony forms and is able to thrive in habitats subject to a wide range of human impacts. Importantly, P. damicornis is particularly amenable to laboratory culture. We collected specimens from three geographically isolated Hawaiian populations subjected to qualitatively different levels of human impact. We isolated RNA from colony fragments ("nubbins") exposed to four environmental stressors (heat, desiccation, peroxide, and hypo-saline conditions) or control conditions. The RNA was pooled and sequenced using the 454 platform. Description: Both the raw reads (n = 1, 116, 551) and the assembled contigs (n = 70, 786; mean length = 836 nucleotides) were deposited in a new publicly available relational database called PocilloporaBase http://www.PocilloporaBase.org. Using BLASTX, 47.2% of the contigs were found to match a sequence in the NCBI database at an E-value threshold of \(\leq\).001; 93.6% of those contigs with matches in the NCBI database appear to be of metazoan origin and 2.3% bacterial origin, while most of the remaining 4.1% match to other eukaryotes, including algae and amoebae. Conclusions: P. damicornis now joins the handful of coral species for which extensive transcriptomic data are publicly available. Through PocilloporaBase http://www.PocilloporaBase.org, one can obtain assembled contigs and raw reads and query the data according to a wide assortment of attributes including taxonomic origin, PFAM motif, KEGG pathway, and GO annotation.
Published Version: doi:10.1186/1471-2164-12-585
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3339375/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10364562
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