Population-based structural variation discovery with Hydra-Multi

Michael R. Lindberg, Ira M. Hall, Aaron R. Quinlan

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Summary: Current strategies for SNP and INDEL discovery incorporate sequence alignments from multiple individuals to maximize sensitivity and specificity. It is widely accepted that this approach also improves structural variant (SV) detection. However, multisample SV analysis has been stymied by the fundamental difficulties of SV calling, e.g. library insert size variability, SV alignment signal integration and detecting long-range genomic rearrangements involving disjoint loci. Extant tools suffer from poor scalability, which limits the number of genomes that can be co-analyzed and complicates analysis workflows. We have developed an approach that enables multisample SV analysis in hundreds to thousands of human genomes using commodity hardware. Here, we describe Hydra-Multi and measure its accuracy, speed and scalability using publicly available datasets provided by The 1000 Genomes Project and by The Cancer Genome Atlas (TCGA). Availability and implementation: Hydra-Multi is written in C++ and is freely available at https://github.com/arq5x/Hydra.

Original languageEnglish
Pages (from-to)1286-1289
Number of pages4
Issue number8
StatePublished - Apr 15 2015


Dive into the research topics of 'Population-based structural variation discovery with Hydra-Multi'. Together they form a unique fingerprint.

Cite this