High Quality Draft Sequences for Prokaryotic Genomes
Author Information
Author(s): Aury Jean-Marc, Cruaud Corinne, Barbe Valérie, Rogier Odile, Mangenot Sophie, Samson Gaelle, Poulain Julie, Anthouard Véronique, Scarpelli Claude, Artiguenave François, Wincker Patrick
Primary Institution: CEA, DSV, Institut de Génomique, Genoscope
Hypothesis
Can a mix of new sequencing technologies produce high-quality draft sequences for prokaryotic genomes without Sanger data input?
Conclusion
High quality drafts can be produced for small genomes without any Sanger data input.
Supporting Evidence
- The 454 GSFLX can efficiently produce high continuity when used at high coverage.
- Solexa/Illumina short reads can polish the genome draft by correcting 454 consensus errors.
- The combination of 454 GSFLX and Solexa/Illumina allows for high-quality draft sequences.
Takeaway
Scientists found a way to use new DNA sequencing methods to create accurate genome drafts without needing older methods. This makes it cheaper and faster to understand tiny living things.
Methodology
The study compared genome assemblies from Sanger data and new sequencing technologies, specifically Roche/454 and Solexa/Illumina.
Potential Biases
Potential bias in error types due to the different sequencing technologies used.
Limitations
The method may struggle with repetitive sequences and requires careful library construction.
Digital Object Identifier (DOI)
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