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Multiplex structural variant detection by whole-genome mapping and nanopore sequencing
Journal article   Open access   Peer reviewed

Multiplex structural variant detection by whole-genome mapping and nanopore sequencing

Lahari Uppuluri, Yilin Wang, Eleanor Young, Jessica S Wong, Heba Z Abid and Ming Xiao
Scientific reports, v 12(1), pp 6512-6512
20 Apr 2022
PMID: 35444207
url
https://doi.org/10.1038/s41598-022-10483-7View
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

Chromosome Mapping Genome Genome, Human Genomics High-Throughput Nucleotide Sequencing Humans Nanopore Sequencing Sequence Analysis, DNA
Identification of structural variants (SVs) breakpoints is important in studying mutations, mutagenic causes, and functional impacts. Next-generation sequencing and whole-genome optical mapping are extensively used in SV discovery and characterization. However, multiple platforms and computational approaches are needed for comprehensive analysis, making it resource-intensive and expensive. Here, we propose a strategy combining optical mapping and cas9-assisted targeted nanopore sequencing to analyze SVs. Optical mapping can economically and quickly detect SVs across a whole genome but does not provide sequence-level information or precisely resolve breakpoints. Furthermore, since only a subset of all SVs is known to affect biology, we attempted to type a subset of all SVs using targeted nanopore sequencing. Using our approach, we resolved the breakpoints of five deletions, five insertions, and an inversion, in a single experiment.

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Web of Science research areas
Genetics & Heredity
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