MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection

To detect or discover motifs in DNA sequences, two important concepts related to existing computational approaches are motif model and similarity score. One of motif models, represented by a position frequency matrix (PFM), has been widely employed to search for putative motifs. Detection and discov...

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Main Authors: Wang, Dianhui, Lee, Nung Kion
Other Authors: Köppen, Mario
Format: Book Chapter
Language:English
Published: Springer Berlin/Heidelberg 2009
Subjects:
Online Access:http://ir.unimas.my/id/eprint/11923/
http://ir.unimas.my/id/eprint/11923/1/MISCORE_abstract.pdf
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author Wang, Dianhui
Lee, Nung Kion
author2 Köppen, Mario
author_facet Köppen, Mario
Wang, Dianhui
Lee, Nung Kion
author_sort Wang, Dianhui
building UNIMAS Institutional Repository
collection Online Access
description To detect or discover motifs in DNA sequences, two important concepts related to existing computational approaches are motif model and similarity score. One of motif models, represented by a position frequency matrix (PFM), has been widely employed to search for putative motifs. Detection and discovery of motifs can be done by comparing kmers with a motif model, or clustering kmers according to some criteria. In the past, information content based similarity scores have been widely used in searching tools. In this paper, we present a mismatchbased matrix similarity score (namely, MISCORE) for motif searching and discovering purpose. The proposed MISCORE can be biologically interpreted as an evolutionary metric for predicting a kmer as a motif member or not. Weighting factors, which are meaningful for biological data mining practice, are introduced in the MISCORE. The effectiveness of the MISCORE is investigated through exploring its separability, recognizability and robustness. Three well-known information contentbased matrix similarity scores are compared, and results show that our MISCORE works well.
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language English
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spelling unimas-119232016-05-12T04:03:06Z http://ir.unimas.my/id/eprint/11923/ MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection Wang, Dianhui Lee, Nung Kion QA Mathematics T Technology (General) To detect or discover motifs in DNA sequences, two important concepts related to existing computational approaches are motif model and similarity score. One of motif models, represented by a position frequency matrix (PFM), has been widely employed to search for putative motifs. Detection and discovery of motifs can be done by comparing kmers with a motif model, or clustering kmers according to some criteria. In the past, information content based similarity scores have been widely used in searching tools. In this paper, we present a mismatchbased matrix similarity score (namely, MISCORE) for motif searching and discovering purpose. The proposed MISCORE can be biologically interpreted as an evolutionary metric for predicting a kmer as a motif member or not. Weighting factors, which are meaningful for biological data mining practice, are introduced in the MISCORE. The effectiveness of the MISCORE is investigated through exploring its separability, recognizability and robustness. Three well-known information contentbased matrix similarity scores are compared, and results show that our MISCORE works well. Springer Berlin/Heidelberg Köppen, Mario Kasabov, Nikola Coghill, George 2009 Book Chapter PeerReviewed text en http://ir.unimas.my/id/eprint/11923/1/MISCORE_abstract.pdf Wang, Dianhui and Lee, Nung Kion (2009) MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection. In: Advances in Neuro-Information Processing. Lecture Notes in Computer Science, 5506 . Springer Berlin/Heidelberg, pp. 478-485. ISBN 978-3-642-02490-0 http://download.springer.com/static/pdf/310/chp%253A10.1007%252F978-3-642-02490-0_59.pdf?originUrl=http%3A%2F%2Flink.springer.com%2Fchapter%2F10.1007%2F978-3-642-02490-0_59&token2=exp=1462501544~acl=%2Fstatic%2Fpdf%2F310%2Fchp%25253A10.1007%25252F978-3-64 10.1007/978-3-642-02490-0_59
spellingShingle QA Mathematics
T Technology (General)
Wang, Dianhui
Lee, Nung Kion
MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection
title MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection
title_full MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection
title_fullStr MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection
title_full_unstemmed MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection
title_short MISCORE: Mismatch-Based Matrix Similarity Scores for DNA Motif Detection
title_sort miscore: mismatch-based matrix similarity scores for dna motif detection
topic QA Mathematics
T Technology (General)
url http://ir.unimas.my/id/eprint/11923/
http://ir.unimas.my/id/eprint/11923/
http://ir.unimas.my/id/eprint/11923/
http://ir.unimas.my/id/eprint/11923/1/MISCORE_abstract.pdf