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Updated: Jul 10, 2026

Sequencing of mRNA from Whole Blood using Nanopore Sequencing

Sequencing of mRNA from Whole Blood using Nanopore Sequencing

Published on: June 3, 2019

Encoding PCR products with batch-stamps and barcodes.

Megan L McCloskey¹, Reinhard Stöger, R Scott Hansen

¹Department of Biology, University of Washington, Box 351800, Seattle, WA 98195-0002, USA.

Biochemical Genetics

|October 24, 2007

Summary

This summary is machine-generated.

Molecular encoding solves DNA source uncertainty in Polymerase Chain Reaction (PCR) analysis. Batch-stamps and barcodes identify valid, contaminant, or redundant sequences, crucial for precious DNA samples.

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Area of Science:

Molecular Biology
Genetics
Bioinformatics

Background:

Polymerase Chain Reaction (PCR) is fundamental for DNA sequence analysis.
Uncertainty regarding template DNA source poses risks like contamination and biased amplification, especially with limited DNA.
Existing PCR methods lack robust mechanisms to trace DNA sequence origins.

Purpose of the Study:

To address the source-uncertainty problem in standard PCR-generated DNA sequences.
To develop and apply molecular encoding principles for reliable DNA source tracking.
To enable accurate classification of PCR-derived sequences and assess diversity.

Main Methods:

Developed and applied molecular encoding principles, incorporating batch-stamps and barcodes.
Batch-stamps encode date and sample identity.
Barcodes are utilized to detect template redundancy.

Main Results:

Successfully implemented a molecular encoding strategy to resolve DNA source uncertainty in PCR.
Enabled classification of each PCR-derived sequence as valid, contaminant, or redundant.
Provided a quantitative measure of sequence diversity.

Conclusions:

The developed molecular encoding approach effectively mitigates source uncertainty in PCR.
Batch-stamps and barcodes are recommended for amplifying irreplaceable DNAs and cDNAs.
This method is highly valuable for forensic, clinical, single-cell, and ancient DNA analyses.