Automated Library Preparation
Automated Library Preparation - Related Videos
13:26
Automated Gel Size Selection to Improve the Quality of Next-generation Sequencing Libraries Prepared from Environmental Water Samples
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Cited by 9 •
2015
This manuscript describes an automated gel size selection approach for purifying DNA fragments for next-generation sequencing. The Ranger Technology provides complete automation of the entire process of agarose gel loading, electrophoretic analysis, and recovery of targeted DNA fragments allowing for high-throughput and high quality next-generation sequencing libraries.
12:01
3' End Sequencing Library Preparation with A-seq2
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Cited by 9 •
2017
This protocol describes a method for mapping pre-mRNA 3' end processing sites.
13:49
Semi-automated Biopanning of Bacterial Display Libraries for Peptide Affinity Reagent Discovery and Analysis of Resulting Isolates
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Cited by 6 •
2017
Biopanning bacterial display libraries is a proven technique for discovery of peptide affinity reagents, a robust alternative to antibodies. The semi-automated sorting method herein has streamlined biopanning to decrease the occurrence of false positives. Here we illustrate the thought process and techniques applied in evaluating candidates and minimizing downstream analysis.
08:37
Preparation of Small RNA Libraries for Sequencing from Early Mouse Embryos
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Cited by 1 •
2020
We describe a technique for profiling microRNAs in early mouse embryos. This protocol overcomes the challenge of low cell input and small RNA enrichment. This assay can be used to analyze changes in miRNA expression over time in different cell lineages of the early mouse embryo.
20:59
Large Insert Environmental Genomic Library Production
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Cited by 18 •
2009
Construction of a fosmid library with environmental genomic DNA isolated from the vertical depth continuum of a seasonally hypoxic fjord is described. The resulting clone library is picked into 384-well plates and archived for downstream sequencing and functional screening by the application of an automated colony picking system.
FAQs
The main control comes from programmed dispensing and transfer steps. Liquid-handling instruments deliver specified reagent volumes, move samples through the workflow, and maintain reaction timing under controlled conditions. This standardization reduces differences caused by manual handling, helping replicate the same processing conditions across samples and making library output more consistent for downstream sequencing.
Fragmentation, end repair, adapter ligation, amplification, and purification are not interchangeable operations. They represent successive programmed stages applied to the nucleic-acid material, with reaction timing and reagent volumes controlled during the workflow. Treating these stages as an ordered sequence helps produce a sequencing-ready library and supports consistent processing across multiple biological samples.
Compared with a workflow that relies more heavily on manual handling, automation applies the same programmed reagent volumes, transfers, and reaction timing across samples. Its main advantage is procedural consistency rather than a change in the biological assay itself. This can limit variability while allowing parallel processing with less labor and supporting more reproducible sequencing results.
A typical workflow moves biological samples through nucleic acid fragmentation, end repair, adapter ligation, amplification, and purification. The liquid-handling system performs reagent dispensing and sample transfers while the programmed method controls timing and volumes. Completing these operations in sequence converts the starting material into libraries suitable for subsequent sequencing-based analysis.
The core equipment is a liquid-handling instrument operated through a programmed workflow. The biological input is a sample containing nucleic-acid material, and the workflow uses reagents for fragmentation, end repair, adapter ligation, amplification, and purification. Controlled transfers, reagent volumes, and reaction timing coordinate these components so that multiple samples can move through the same preparation sequence.
Automated library preparation supports next-generation sequencing applications in genomics, transcriptomics, and targeted assays. It is especially relevant when a project requires parallel processing of many samples, because the programmed workflow standardizes repeated operations while conserving labor. The resulting libraries can support efficient generation of sequencing data across these biological study types.
In biology, the principal benefit is more reproducible sequencing data from standardized sample processing. By limiting variability in reagent dispensing, sample transfer, timing, and volumes, automation can make outputs more consistent across a batch. This supports studies that compare many biological samples and need a dependable preparation process before genomic, transcriptomic, or targeted sequencing.