June 1, 2021

Genomic DNA sequences of HLA class I alleles generated using multiplexed barcodes and SMRT DNA Sequencing technology.

Author(s): Mayor, Neema P and Robinson, James and McWhinnie, Alasdair and Ranade, Swati and Eng, Kevin and Bultitude, Will P and Midwinter, William and Bowman, Brett and Marks, Patrick and Braund, Henny and Madrigal, J Alejandro and Latham, Katy and Marsh, Steven GE

Allelic-level resolution HLA typing is known to improve survival prognoses post Unrelated Donor (UD) Haematopoietic Stem Cell Transplantation (HSCT). Currently, many commonly used HLA typing methodologies are limited either due to the fact that ambiguity cannot be resolved or that they are not amenable to high-throughput laboratories. Pacific Biosciences’ Single Molecule Real-Time (SMRT) DNA sequencing technology enables sequencing of single molecules in isolation and has read-length capabilities to enable whole gene sequencing for HLA. DNA barcode technology labels samples with unique identifiers that can be traced throughout the sequencing process. The use of DNA barcodes means that multiple samples can be sequenced in a single experiment but data can still be attributed to the correct sample. Here we describe the results of experiments that use DNA barcodes to facilitate sequencing of multiple samples for full-length HLA class I genes (known as multiplexing).

Organization: Anthony Nolan Research Institute
Year: 2014

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