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Biofoundry-Scale DNA Assembly Validation Using Cost-Effective High-Throughput Long-Read Sequencing.

Peter Vegh1, Sophie Donovan1, Susan Rosser1

  • 1Edinburgh Genome Foundry, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3BF, United Kingdom.

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Summary
This summary is machine-generated.

Researchers developed a new method using Nanopore sequencing to quickly check DNA construct accuracy in biofoundries. This validated laboratory and software protocol improves synthetic biology workflows for plasmid analysis.

Keywords:
DNA assemblybiofoundryplasmid validationsequencing

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Area of Science:

  • Synthetic Biology
  • Molecular Biology
  • Bioinformatics

Background:

  • Biofoundries automate the design, construction, and testing of synthetic DNA constructs (plasmids).
  • Accurate assessment of DNA construct fidelity is crucial for synthetic biology applications.
  • Existing quality control methods like restriction digests and PCR fragment analysis can be time-consuming and may not provide comprehensive data.

Purpose of the Study:

  • To establish a rapid and in-depth quality control method for assessing DNA construct fidelity in biofoundries.
  • To implement single-molecule sequencing using Oxford Nanopore technology for plasmid analysis.
  • To develop a user-friendly software solution for analyzing and interpreting sequencing data.

Main Methods:

  • Utilized Oxford Nanopore single-molecule sequencing for quality control of assembled plasmids.
  • Developed a Nextflow pipeline for automated data processing.
  • Created a Python package for in-depth analysis and report generation.

Main Results:

  • Successfully established a laboratory and software protocol for plasmid validation.
  • The Nanopore-based method provides rapid and detailed analysis of DNA construct fidelity.
  • The developed software enables efficient interpretation of sequencing data for researchers.

Conclusions:

  • The new protocol validates assembled, cloned, or edited plasmids using Nanopore long-reads.
  • This approach serves as a valuable resource for the genetics, synthetic biology, and sequencing communities.
  • The integrated laboratory and software solution enhances the efficiency and accuracy of biofoundry operations.