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August 19, 2021  |  Sample + library preparation

Product note — SMRTbell express template prep 2.0 for microbial multiplexing

The SMRTbell Express Template Prep Kit 2.0 provides a streamlined, single-tube reaction strategy to generate SMRTbell libraries from 500 bp to >50 kb insert size targets to support large-insert genomic libraries, multiplexed microbial genomes and amplicon sequencing. With this new formulation, we have increased both the yield and efficiency of SMRTbell library preparation for SMRT Sequencing while further minimizing handling-induced DNA damage to retain the integrity of genomic DNA (gDNA). This product note highlights the key benefits, performance, and resources available for obtaining complete microbial genome assemblies with multiplexed sequencing. By using a single-tube, addition-only strategy, the streamlined workflow reduces the number of AMPure clean-up steps. This provides an opportunity to explore automation solutions for high-volume projects, while using as little as 1 ug of input DNA.


August 19, 2021  |  Products, procedures + protocols

Application note — Microbial multiplexing workflow on the Sequel system

Obtaining microbial genomes with the highest accuracy and contiguity is extremely important when exploring the functional impact of genetic and epigenetic variants on a genome-wide scale. A comprehensive view of the bacterial genome, including genes, regulatory regions, IS elements, phage integration sites, and base modifications is vital to understanding key traits such as antibiotic resistance, virulence, and metabolism. SMRT Sequencing provides complete genomes, often assembled into a single contig. Our streamlined microbial multiplexing procedure for the Sequel System, from library preparation to genome assembly, can be completed with less than 8 hours bench time. Starting with high-quality genomic DNA (gDNA), samples are sheared to approximately 12 kb distribution, ligated with barcoded overhang adapters, pooled at equimolar representation, and sequenced. Demultiplexing of samples is automated, allowing for immediate genome assembly on our SMRT Link analysis software solution.


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