Modified screening and ranking algorithm for copy number variation detection

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چکیده

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Modified screening and ranking algorithm for copy number variation detection

MOTIVATION Copy number variation (CNV) is a type of structural variation, usually defined as genomic segments that are 1 kb or larger, which present variable copy numbers when compared with a reference genome. The screening and ranking algorithm (SaRa) was recently proposed as an efficient approach for multiple change-points detection, which can be applied to CNV detection. However, some practi...

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Motivation: Copy number variation (CNV) is a type of structural variation, usually defined as genomic segments that are 1 kb or larger, which present variable copy numbers when compared with a reference genome. The screening and ranking algorithm (SaRa) was recently proposed as an efficient approach for multiple change-points detection, which can be applied to CNV detection. However, some pract...

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DNA Copy number variation (CNV) has recently gained considerable interest as a source of genetic variation that likely influences phenotypic differences. Many statistical and computational methods have been proposed and applied to detect CNVs based on data that generated by genome analysis platforms. However, most algorithms are computationally intensive with complexity at least O(n2), where n ...

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Screening and merging algorithm for the detection of copy-number alterations

We call change-point problem (CPP) the identification of changes in the probabilistic behavior of a sequence of observations. Solving the CPP involves detecting the number and position of such changes. In genetics the study of how and what characteristics of a individual’s genetic content might contribute to the occurrence and evolution of cancer has fundamental importance in the diagnosis and ...

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ژورنال

عنوان ژورنال: Bioinformatics

سال: 2014

ISSN: 1460-2059,1367-4803

DOI: 10.1093/bioinformatics/btu850