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Optimization of a large-scale gene disruption protocol in Dictyostelium and analysis of conserved genes of unknown function

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dc.creator Escalante, Ricardo
dc.creator Torija, Patricia
dc.creator Robles, Alicia
dc.date 2008-06-26T06:59:40Z
dc.date 2008-06-26T06:59:40Z
dc.date 2006
dc.date.accessioned 2017-01-31T01:52:11Z
dc.date.available 2017-01-31T01:52:11Z
dc.identifier BMC Microbiol. 2006; 6: 75 (2006)
dc.identifier 1471-2180
dc.identifier http://hdl.handle.net/10261/5346
dc.identifier 10.1186/1471-2180-6-75
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/5346
dc.description [Background] Development of the post-genomic age in Dictyostelium will require the existence of rapid and reliable methods to disrupt genes that would allow the analysis of entire gene families and perhaps the possibility to undertake the complete knock-out analysis of all the protein-coding genes present in Dictyostelium genome.
dc.description [Results] Here we present an optimized protocol based on the previously described construction of gene disruption vectors by in vitro transposition. Our method allows a rapid selection of the construct by a simple PCR approach and subsequent sequencing. Disruption constructs were amplified by PCR and the products were directly transformed in Dictyostelium cells. The selection of homologous recombination events was also performed by PCR. We have constructed 41 disruption vectors to target genes of unknown function, highly conserved between Dictyostelium and human, but absent from the genomes of S. cerevisiae and S. pombe. 28 genes were successfully disrupted.
dc.description [Conclusion] This is the first step towards the understanding of the function of these conserved genes and exemplifies the easiness to undertake large-scale disruption analysis in Dictyostelium.
dc.description This work was supported by grant BMC2003-02814 from the Spanish Ministerio de Educación y Ciencia. Sequence data for Dictyostelium were obtained from the Genome Sequencing Centers of the University of Cologne, Germany, the Institute of Molecular Biotechnology, Department of Genome Analysis, Jena, Germany, the Baylor Collage of Medicine in Houston, Texas, and the Sanger Center in Hinxton, Cambridge, UK.
dc.description Peer reviewed
dc.format 312154 bytes
dc.format application/pdf
dc.language eng
dc.publisher BioMed Central
dc.relation Publisher’s version
dc.relation http://dx.doi.org/10.1186/1471-2180-6-75
dc.rights openAccess
dc.title Optimization of a large-scale gene disruption protocol in Dictyostelium and analysis of conserved genes of unknown function
dc.type Artículo


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