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

<p>Abstract</p> <p>Background</p> <p>Development of the post-genomic age in <it>Dictyostelium </it>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...

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Main Authors: Escalante Ricardo, Robles Alicia, Torija Patricia
Format: Article
Language:English
Published: BMC 2006-08-01
Series:BMC Microbiology
Online Access:http://www.biomedcentral.com/1471-2180/6/75
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author Escalante Ricardo
Robles Alicia
Torija Patricia
author_facet Escalante Ricardo
Robles Alicia
Torija Patricia
author_sort Escalante Ricardo
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>Development of the post-genomic age in <it>Dictyostelium </it>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 <it>Dictyostelium </it>genome.</p> <p>Results</p> <p>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 <it>Dictyostelium </it>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 <it>Dictyostelium </it>and human, but absent from the genomes of <it>S. cerevisiae </it>and <it>S. pombe</it>. 28 genes were successfully disrupted.</p> <p>Conclusion</p> <p>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 <it>Dictyostelium</it>.</p>
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spelling doaj.art-98adfb9aadba410ebfcf586551d5af2e2022-12-22T02:59:22ZengBMCBMC Microbiology1471-21802006-08-01617510.1186/1471-2180-6-75Optimization of a large-scale gene disruption protocol in <it>Dictyostelium </it>and analysis of conserved genes of unknown functionEscalante RicardoRobles AliciaTorija Patricia<p>Abstract</p> <p>Background</p> <p>Development of the post-genomic age in <it>Dictyostelium </it>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 <it>Dictyostelium </it>genome.</p> <p>Results</p> <p>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 <it>Dictyostelium </it>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 <it>Dictyostelium </it>and human, but absent from the genomes of <it>S. cerevisiae </it>and <it>S. pombe</it>. 28 genes were successfully disrupted.</p> <p>Conclusion</p> <p>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 <it>Dictyostelium</it>.</p>http://www.biomedcentral.com/1471-2180/6/75
spellingShingle Escalante Ricardo
Robles Alicia
Torija Patricia
Optimization of a large-scale gene disruption protocol in <it>Dictyostelium </it>and analysis of conserved genes of unknown function
BMC Microbiology
title Optimization of a large-scale gene disruption protocol in <it>Dictyostelium </it>and analysis of conserved genes of unknown function
title_full Optimization of a large-scale gene disruption protocol in <it>Dictyostelium </it>and analysis of conserved genes of unknown function
title_fullStr Optimization of a large-scale gene disruption protocol in <it>Dictyostelium </it>and analysis of conserved genes of unknown function
title_full_unstemmed Optimization of a large-scale gene disruption protocol in <it>Dictyostelium </it>and analysis of conserved genes of unknown function
title_short Optimization of a large-scale gene disruption protocol in <it>Dictyostelium </it>and analysis of conserved genes of unknown function
title_sort optimization of a large scale gene disruption protocol in it dictyostelium it and analysis of conserved genes of unknown function
url http://www.biomedcentral.com/1471-2180/6/75
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AT torijapatricia optimizationofalargescalegenedisruptionprotocolinitdictyosteliumitandanalysisofconservedgenesofunknownfunction