June 1, 2021

Best practices for whole genome sequencing using the Sequel System

Author(s): Blethrow, J. Sisneros, N. and Chakroborty, S. and Kingan, S. and Hall, R. and Wilson, J. and Lambert, C. and Eng, K. and Hatas, E. and Baybayan, P.

Plant and animal whole genome sequencing has proven to be challenging, particularly due to genome size, high density of repetitive elements and heterozygosity. The Sequel System delivers long reads, high consensus accuracy and uniform coverage, enabling more complete, accurate, and contiguous assemblies of these large complex genomes. The latest Sequel chemistry increases yield up to 8 Gb per SMRT Cell for long insert libraries >20 kb and up to 10 Gb per SMRT Cell for libraries >40 kb. In addition, the recently released SMRTbell Express Template Prep Kit reduces the time (~3 hours) and DNA input (~3 µg), making the workflow easy to use for multi- SMRT Cell projects. Here, we recommend the best practices for whole genome sequencing and de novo assembly of complex plant and animal genomes. Guidelines for constructing large-insert SMRTbell libraries (>30 kb) to generate optimal read lengths and yields using the latest Sequel chemistry are presented. We also describe ways to maximize library yield per preparation from as littles as 3 µg of sheared genomic DNA. The combination of these advances makes plant and animal whole genome sequencing a practical application of the Sequel System.

Organization: PacBio
Year: 2018

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