Evaluating coverage bias in next-generation sequencing of

Whole-genome sequencing is essential to many facets of infectious disease research. However, technical limitations such as bias in coverage and tagmentation, and difficulties characterising genomic regions with extreme GC content have created significant obstacles in its use. Illumina has claimed that the recently released DNA Prep library preparation kit, formerly known as Nextera Flex, overcomes some of these limitations. This study aimed to assess bias in coverage, tagmentation, GC content, average fragment size distribution, and de novo assembly quality using both the Nextera XT and DNA Prep kits from Illumina. When performing whole-genome sequencing on Escherichia coli and where coverage bias is the main concern, the DNA Prep kit may provide higher quality results; though de novo assembly quality, tagmentation bias and GC content related bias are unlikely to improve. Based on these results, laboratories with existing workflows based on Nextera XT would see minor benefits in transitioning to the DNA Prep kit if they were primarily studying organisms with neutral GC content.

Evaluating coverage bias in next-generation sequencing of

PDF] Summarizing and correcting the GC content bias in high

Evaluating coverage bias in next-generation sequencing of

Comparison of different nucleosome dissociation methods in

Frontiers The efficiency of Nextera XT tagmentation depends on G

Sequencing biases of low-GC regions and assembly quality of entire

PDF] Comparison of the sequencing bias of currently available

PDF] Illuminating Choices for Library Prep: A Comparison of

Barplot showing the base counts (a) and boxplot showing the

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