DELLY2

"Delly2" is a structural variant (SV) discovery method to accurately identify a wide range of genomic rearrangements at single-nucleotide resolution within personal genome sequencing data. This method integrates diverse sequencing data types, including short-insert paired-ends, long-range mate-pairs, and split-read alignments, to provide a comprehensive approach for delineating genomic rearrangements. Delly2's capability to detect simple and complex SVs, including copy-number variations, deletions, tandem duplications, inversions, and reciprocal translocations, makes it a versatile tool for exploring the mechanisms and functional consequences of SVs in the genome.

Key Features and Functionalities:

High Sensitivity and Specificity: Delly2 is designed to offer high sensitivity and specificity in the discovery of genomic structural variants, which are essential for understanding natural variation and pathological rearrangements.

- Integration of Multiple Sequencing Data Types: By integrating short insert paired-ends, long-range mate-pairs, and split-read alignments, Delly2 can accurately characterize genomic rearrangements, providing a holistic view of SVs in sequencing datasets.

- Single-Nucleotide Resolution: Delly2's ability to delineate genomic rearrangements at single-nucleotide resolution enables precise investigation into SVs' formation mechanisms and functional implications.

- Detection of a Wide Range of SVs: Suitable for detecting deletions, tandem duplications, inversions, and reciprocal translocations, Delly2 can ascertain the full spectrum of genomic rearrangements, including complex events.

Topic

DNA structural variation;Sequencing;Pathology;Genomics;Genetic variation;Bioinformatics;Population genomics;Rare diseases

Detail

  • Operation: Indel detection;Structural variation detection;Variant calling;Genotyping;Genetic variation analysis

  • Software interface: Command-line interface

  • Language: C++

  • License: The 3-Clause BSD License

  • Cost: Free with restrictions

  • Version name: -

  • Credit: The European Commission, the German Cancer Aid, the BMBF (ICGC ‘PedBrain’ Tumor Project).

  • Input: Nucleic acid sequence alignment [BAM], Nucleic acid sequence [FASTA]

  • Output: Sequence variations [BCF]

  • Contact: Tobias Rausch tobias.rausch@embl.de

  • Collection: -

  • Maturity: Mature

Publications

  • DELLY: structural variant discovery by integrated paired-end and split-read analysis.
  • Rausch T, et al. DELLY: structural variant discovery by integrated paired-end and split-read analysis. DELLY: structural variant discovery by integrated paired-end and split-read analysis. 2012; 28:i333-i339. doi: 10.1093/bioinformatics/bts378
  • https://doi.org/10.1093/bioinformatics/bts378
  • PMID: 22962449
  • PMC: PMC3436805

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