Related Experiment Video
Updated: Apr 25, 2026

Detection of Rare Genomic Variants from Pooled Sequencing Using SPLINTER
Published on: June 23, 2012
BreakDancer: Identification of Genomic Structural Variation from Paired-End Read Mapping
Xian Fan1, Travis E Abbott2, David Larson2
1Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd Unit 1410, Houston, TX 77030.
Next-generation sequencing enables cost-effective detection of human genomic variation. The BreakDancer tool accurately identifies structural variations like deletions and duplications, crucial for understanding genetic diseases.
Area of Science:
- Genomics
- Bioinformatics
- Human Genetics
Background:
- Next-generation sequencing (NGS) provides cost-effective methods for detecting and characterizing genomic variation.
- Structural variations (SVs), including deletions, duplications, insertions, inversions, and translocations, are significant in human genetics.
- SVs are associated with numerous genetic diseases, highlighting the need for accurate detection methods.
Purpose of the Study:
- To introduce BreakDancer, a bioinformatics tool for structural variation detection.
- To comprehensively and accurately identify various types of structural variation in the human genome.
Main Methods:
- Utilizing paired-end read alignments from next-generation sequencing data.
- Comparing test genome read alignments to a reference genome.
- Employing the BreakDancer algorithm for structural variation analysis.
Main Results:
- BreakDancer effectively detects multiple types of structural variation.
- The tool provides comprehensive and accurate identification of genomic rearrangements.
- Paired-end read alignment analysis is a robust method for SV discovery.
Conclusions:
- BreakDancer is a valuable bioinformatics tool for structural variation detection.
- Accurate identification of SVs using NGS data is critical for genetic research and disease association studies.
- The tool facilitates a deeper understanding of the role of structural variation in human health and disease.
Related Concept Videos
Comparing Copy Number Variations and SNPs
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Sanger Sequencing
RNA-seq
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
Single Nucleotide Polymorphisms-SNPs
Evolutionary Relationships through Genome Comparisons

