Journal Article

MOM: maximum oligonucleotide mapping

Hugh L. Eaves and Yuan Gao

in Bioinformatics

Volume 25, issue 7, pages 969-970
Published in print April 2009 | ISSN: 1367-4803
Published online February 2009 | e-ISSN: 1460-2059 | DOI:
MOM: maximum oligonucleotide mapping

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Summary: Current short read mapping programs are based on the reasonable premise that most sequencing errors occur near the 3 end of the read. These programs map reads with either a small number of mismatches in the entire read, or a small number of mismatches in the segment remaining after trimming bases from the 3 end or a single base from the 5 end. Though multiple sequencing errors most likely occur near the 3 end of the reads, they can still occur at the 5 end of the reads. Trimming from the 3 end will not be able to map these reads. We have developed a program, Maximum Oligonucleotide Mapping (MOM), based on the concept of query matching that is designed to capture a maximal length match within the short read satisfying the user defined error parameters. This query matching approach thus accommodates multiple sequencing errors at both ends. We demonstrate that this technique achieves greater sensitivity and a higher percentage of uniquely mapped reads when compared to existing programs such as SOAP, MAQ and SHRiMP.

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Journal Article.  1819 words.  Illustrated.

Subjects: Bioinformatics and Computational Biology

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