Inversion detection using PacBio long reads Online publication date: Sat, 15-Sep-2018
by Shenglong Zhu; Scott J. Emrich; Danny Z. Chen
International Journal of Data Mining and Bioinformatics (IJDMB), Vol. 20, No. 3, 2018
Abstract: Structural variations have received considerable attention in the past decade owing to their importance in disease aetiology and ecological adaptation. Many prior efforts have exploited short paired-end reads to detect structural variations and, more recently, improved approaches have combined newer long reads with short ones to better predict variants. In this paper, we propose a new computational framework that uses only long reads to target a specific type of structural variations: large inversions. Our approach is complementary to state-of-the-art methods, but models identifying inversions as a Max-Cut problem. We show that this new approach is effective for predicting large inversions comparing to current structural variation detection tools. This new formulation also uncovers more complex structural variants that are not discovered by alternative frameworks. We conclude that our new approach is potentially powerful for detecting inversions in complex genomes.
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