Related Experiment Video
Updated: May 19, 2026
13:24
Integration of Wet and Dry Bench Processes Optimizes Targeted Next-generation Sequencing of Low-quality and Low-quantity Tumor Biopsies
Published on: April 11, 2016
Improving genotyped functional screening: A versatile closed-tube PCR for Illumina library generation reduces
Sami Oksanen1, Tuomas Huovinen2, Urpo Lamminmäki1
1Department of Life Technologies, University of Turku, Kiinamyllynkatu 10, Turku, 20520, Finland; InFLAMES Research Flagship, University of Turku, Turku, 20014, Finland.
SLAS Technology
|May 17, 2026
Summary
An improved DNA indexing platform enhances high-throughput screening accuracy. This closed-tube polymerase chain reaction (PCR) method reduces errors and cross-contamination for reliable genotype-phenotype analysis.
Area of Science:
- Molecular Biology
- Biotechnology
- Genomics
Background:
- High-throughput screening (HTS) is crucial for analyzing binder protein clones.
- Existing DNA indexing methods face challenges with accuracy and background noise.
- Accurate genotype-phenotype analysis requires robust and reliable DNA indexing.
Purpose of the Study:
- To present an improved DNA indexing platform for enhanced genotype-phenotype analysis.
- To optimize a closed-tube polymerase chain reaction (PCR) method for DNA barcoding.
- To reduce artifacts and improve the reliability of HTS data.
Main Methods:
- Optimization of a DNA indexing platform using two primer pairs with differing annealing temperatures.
- Implementation of a single, closed-tube PCR for plate and well ID barcoding.
- Modification of sequencing adapters for direct generation of sequencing-ready Illumina libraries.
Main Results:
- The closed-tube approach improved the top-to-second sequence count ratio threefold.
- Background sequences were reduced from 72% to 43% of total sequences.
- Sample cross-contamination decreased to negligible levels, and chimera formation was reduced sixfold.
Conclusions:
- The improved DNA indexing platform enhances accuracy and reliability in HTS.
- The closed-tube PCR method is particularly beneficial for amplicons with high sequence homology.
- The platform is adaptable to novel binder scaffolds, enabling broader applications in biotechnology.
