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The capsicum transcriptome DB: a "hot" tool for genomic research

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Author(s): Elsa Góngora-Castillo | Rubén Fajardo-Jaime | Araceli Fernández-Cortes | Alba E. Jofre- Garfias | Edmundo Lozoya-Gloria | Octavio Martínez | Neftalí Ochoa-Alejo | Rafael Rivera-Bustamante*

Journal: Bioinformation
ISSN 0973-2063

Volume: 8;
Issue: 1;
Start page: 43;
Date: 2012;
Original page

ABSTRACT
Chili pepper (Capsicum annuum) is an economically important crop with no available public genome sequence. We describe a genomic resource to facilitate Capsicum annuum research. A collection of Expressed Sequence Tags (ESTs) derived from five C. annuum organs (root, stem, leaf, flower and fruit) were sequenced using the Sanger method and multiple leaf transcriptomes were deeply sampled using with GS-pyrosequencing. A hybrid assembly of 1,324,516 raw reads yielded 32,314 high quality contigs as validated by coverage and identity analysis with existing pepper sequences. Overall, 75.5% of the contigs had significant sequence similarity to entries in nucleic acid and protein databases; 23% of the sequences have not been previously reported for C. annuum and expand sequence resources for this species. A MySQL database and a user-friendly Web interface were constructed with search-tools that permit queries of the ESTs including sequence, functional annotation, Gene Ontology classification, metabolic pathways, and assembly information. The Capsicum Transcriptome DB is free available from http://www.bioingenios.ira.cinvestav.mx:81/Joomla/
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