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2018 ; 8
(1
): 10931
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Evaluation of Oxford Nanopore s MinION Sequencing Device for Microbial Whole
Genome Sequencing Applications
#MMPMID30026559
Tyler AD
; Mataseje L
; Urfano CJ
; Schmidt L
; Antonation KS
; Mulvey MR
; Corbett CR
Sci Rep
2018[Jul]; 8
(1
): 10931
PMID30026559
show ga
The MinION sequencer (Oxford Nanopore Technologies) is a paradigm shifting device
allowing rapid, real time long read sequencing of nucleic acids. Yet external
benchmarking of this technologies' capabilities has not been extensively
reported, nor has thorough evaluation of its utility for field-based analysis
with sub-optimal sample types been described. The aim of this study was to
evaluate the capability of the MinION sequencer for bacterial genomic and
metagenomic applications, with specific emphasis placed on the quality, yield,
and accuracy of generated sequence data. Two independent laboratories at the
National Microbiology Laboratory (Public Health Agency of Canada), sequenced a
set of microbes in replicate, using the currently available flowcells, sequencing
chemistries, and software available at the time of the experiment. Overall
sequencing yield and quality improved through the course of this set of
experiments. Sequencing alignment accuracy was high reaching 97% for all 2D
experiments, though was slightly lower for 1D sequencing (94%). 1D sequencing
provided much longer sequences than 2D. Both sequencing chemistries performed
equally well in constructing genomic assemblies. There was evidence of barcode
cross-over using both the native and PCR barcoding methods. Despite the
sub-optimal nature of samples sequenced in the field, sequences attributable to
B. anthracis the target organism used in this scenario, could none-the-less be
detected. Together, this report showcases the rapid advancement in this
technology and its utility in the context of genomic sequencing of microbial
isolates of importance to public health.