Nucleic Acids Research, 2000, Vol. 28, No. 5 1053-1058
© 2000 Oxford University Press
MethToolsa toolbox to visualize and analyze DNA methylation data
Department of Genome Analysis, Institute for Molecular Biotechnology, Beutenbergstrasse 11, D-07745 Jena, Germany and 1Institute of Parallel and Distributed High Performance Systems, IPVR, Breitwiesenstrasse 2022, D-70565 Stuttgart, Germany
The Bisulfite Genomic Sequencing technique has found wide acceptance for the generation of DNA-methylation maps with single-base resolution. The method is based on the selective deamination of cytosine to uracil (and subsequent conversion to thymine via PCR), whereas 5-methylcytosine residues remain unchanged. Methylation maps are created by the comparison of bisulfite converted sequences with the untreated genomic sequence. MethTools is a collection of software tools that replaces the time-consuming manual comparison process, generates graphical outputs of methylation patterns and methylation density, estimates the systematic error of the experiment and searches for conserved methylated nucleotide patterns. The programs are written in Perl 5 and C, and the source code can be downloaded. All tools run independently but the programs are interfaced. Thus, a script can perform the entire analysis procedure automatically. In addition, a web-based remote analysis service is offered. Both the source code and the remote analysis are available at http://genome.imb-jena.de/methtools/
* To whom correspondence should be addressed. Tel: +49 3641 65 62 40; Fax: +49 3641 65 62 55; Email: arosenth@imb-jena.de Present address: Ruben Schattevoy, Max-Planck-Institut of Biochemistry, Am Klopferspitz 18a, D-82152 Martinsried/Munich, Germany
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