Journal article
An integrated pipeline of open source software adapted for Multi-CPU Architectures: Use in the Large-Scale identification of single nucleotide polymorphisms
Comparative and Functional Genomics, Vol.2007, pp.1-7
2007
Abstract
The large amounts of EST sequence data available from a single species of an organism as well as for several species within a genus provide an easy source of identification of intra- and interspecies single nucleotide polymorphisms (SNPs). In the case of model organisms, the data available are numerous, given the degree of redundancy in the deposited EST data. There are several available bioinformatics tools that can be used to mine this data; however, using them requires a certain level of expertise: the tools have to be used sequentially with accompanying format conversion and steps like clustering and assembly of sequences become time-intensive jobs even for moderately sized datasets. We report here a pipeline of open source software extended to run on multiple CPU architectures that can be used to mine large EST datasets for SNPs and identify restriction sites for assaying the SNPs so that cost-effective CAPS assays can be developed for SNP genotyping in genetics and breeding applications. At the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), the pipeline has been implemented to run on a Paracel high-performance system consisting of four dual AMD Opteron processors running Linux with MPICH. The pipeline can be accessed through user-friendly web interfaces at http://hpc.icrisat.cgiar.org/PBSWeb and is available on request for academic use. We have validated the developed pipeline by mining chickpea ESTs for interspecies SNPs, development of CAPS assays for SNP genotyping, and confirmation of restriction digestion pattern at the sequence level.
Details
- Title
- An integrated pipeline of open source software adapted for Multi-CPU Architectures: Use in the Large-Scale identification of single nucleotide polymorphisms
- Authors/Creators
- B. Jayashree (Author/Creator) - SEMIM.S. Hanspal (Author/Creator)R. Srinivasan (Author/Creator)R. Vigneshwaran (Author/Creator)R.K. Varshney (Author/Creator)N. Spurthi (Author/Creator)K. Eshwar (Author/Creator)N. Ramesh (Author/Creator)S. Chandra (Author/Creator)D.A. Hoisington (Author/Creator)
- Publication Details
- Comparative and Functional Genomics, Vol.2007, pp.1-7
- Publisher
- Hindawi Publishing Corporation
- Identifiers
- 991005544595907891
- Copyright
- © 2007 B. Jayashree et al.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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