Abstract

Nanopore sequencing, a paradigm change in sequencing technologies, offers a new cost-effective and scalable platform for HLA genotyping. Among the new generation of high-throughput sequencing technologies, the MinION nanopore sequencer is the first to offer a non-template-based direct DNA sensing sequencing technology. Oxford Nanopore Technologies (ONT) introduced the first version of the MinION in 2014; since then, the platform has gone through multiple iterations resulting in higher throughput and sequencing accuracy. The "what you put in is what you get" nature of the platform enables molecules to be sequenced without fragmentation. This results in ultra-long read lengths in the order of tens of kilobases enabling entire genes to be characterized with fully phased sequence information. With release R9.5, the MinION platform has reached a quality that enables HLA genotyping with minor shortcomings in long homopolymer regions. Within this chapter, we describe a protocol for sequencing and genotyping HLA Class I alleles using the MinION.

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