Bioinformatics Advance Access published online on March 17, 2005
Bioinformatics, doi:10.1093/bioinformatics/bti393
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1 Department of Computer Science, University of Helsinki, Helsinki, P.O. Box 68, FIN-00014, Finland
* To whom correspondence should be addressed.
Motivation: cDNA-AFLP is one of the few genome-wide level expression profiling methods capable of finding genes that have not been cloned or even predicted from sequence before but have interesting expression patterns under the studied conditions. In cDNA-AFLP a complex cDNA mixture is divided into small subsets using restriction enzymes and selective PCR. A large cDNA-AFLP experiment can require a substantial amount of resources such as hundreds of PCR amplifications and gel electrophoresis runs followed by manual cutting of a large number of bands from the gels. Our aim was to test whether this workload can be reduced by rational design of the experiment. Results: We used the available genomic sequence information to optimize cDNA-AFLP experiments beforehand so that as many transcripts as possible could be profiled with a given amount of resources. Optimization of the selection of both restriction enzymes and selective primers for cDNA-AFLP experiments has not been done before. The in silico tests performed suggest that substantial amounts of resources can be saved by optimization of cDNA-AFLP experiments. Availability: A Perl implementation of the optimization method is available upon request from the authors.
Received September 21, 2004
Revised March 14, 2005
Accepted March 15, 2005
Article
Optimization of cDNA-AFLP experiments using genomic sequence data
2 VTT Biotechnology, Espoo, P.O. Box 1500, FIN-02044, Finland
Teemu Kivioja, E-mail: Teemu.Kivioja{at}vtt.fi
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