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Transcriptome sequencing and microarray development for the Manila clam, Ruditapes philippinarum: genomic tools for environmental monitoring

2011-05-12Artigo científico Acesso aberto
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dc.contributor.authorMilan, Massimo
dc.contributor.authorCoppe, Alessandro
dc.contributor.authorReinhardt, Richard
dc.contributor.authorCancela, Leonor
dc.contributor.authorLeite, Ricardo
dc.contributor.authorSaavedra, Carlos
dc.contributor.authorCiofi, Claudio
dc.contributor.authorChelazzi, Guido
dc.contributor.authorPatarnello, T.
dc.contributor.authorBortoluzzi, Stefania
dc.contributor.authorBargelloni, Luca
dc.date.accessioned2011-06-03T16:03:39Z
dc.date.available2011-06-03T16:03:39Z
dc.date.issued2011-05-12
dc.date.updated2011-06-03T16:03:39Z
dc.description.abstractAbstract Background The Manila clam, Ruditapes philippinarum, is one of the major aquaculture species in the world and a potential sentinel organism for monitoring the status of marine ecosystems. However, genomic resources for R. philippinarum are still extremely limited. Global analysis of gene expression profiles is increasingly used to evaluate the biological effects of various environmental stressors on aquatic animals under either artificial conditions or in the wild. Here, we report on the development of a transcriptomic platform for global gene expression profiling in the Manila clam. Results A normalized cDNA library representing a mixture of adult tissues was sequenced using a ultra high-throughput sequencing technology (Roche 454). A database consisting of 32,606 unique transcripts was constructed, 9,747 (30%) of which could be annotated by similarity. An oligo-DNA microarray platform was designed and applied to profile gene expression of digestive gland and gills. Functional annotation of differentially expressed genes between different tissues was performed by enrichment analysis. Expression of Natural Antisense Transcripts (NAT) analysis was also performed and bi-directional transcription appears a common phenomenon in the R. philippinarum transcriptome. A preliminary study on clam samples collected in a highly polluted area of the Venice Lagoon demonstrated the applicability of genomic tools to environmental monitoring. Conclusions The transcriptomic platform developed for the Manila clam confirmed the high level of reproducibility of current microarray technology. Next-generation sequencing provided a good representation of the clam transcriptome. Despite the known limitations in transcript annotation and sequence coverage for non model species, sufficient information was obtained to identify a large set of genes potentially involved in cellular response to environmental stress.
dc.description.versionPeer Reviewed
dc.identifier.citationBMC Genomics. 2011 May 12;12(1):234
dc.identifier.doihttp://dx.doi.org/10.1186/1471-2164-12-234
dc.identifier.urihttp://hdl.handle.net/10400.1/210
dc.language.isoeng
dc.rights.holderMilan et al.; licensee BioMed Central Ltd.
dc.titleTranscriptome sequencing and microarray development for the Manila clam, Ruditapes philippinarum: genomic tools for environmental monitoring
dc.typejournal article
dspace.entity.typePublication
person.familyNameCancela
person.familyNameLeite
person.givenNameM. Leonor
person.givenNameRicardo
person.identifier447622
person.identifier.ciencia-idF115-256E-C84D
person.identifier.orcid0000-0003-3114-6662
person.identifier.orcid0000-0002-9622-3895
person.identifier.ridB-3389-2008
person.identifier.scopus-author-id8362650900
rcaap.rightsopenAccess
rcaap.typearticle
relation.isAuthorOfPublicationb9bbfe32-3dfe-4131-ad14-a4394008447f
relation.isAuthorOfPublication3fb360e0-a481-486e-96ca-af9f6ecd6eb8
relation.isAuthorOfPublication.latestForDiscovery3fb360e0-a481-486e-96ca-af9f6ecd6eb8

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