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Limitations of next-generation genome sequence assembly

Open access
Alkan, Can, Sajjadian, Saba, Eichler, Evan E·2011·Nature Methods

Abstract

High-throughput sequencing technologies promise to transform the fields of genetics and comparative biology by delivering tens of thousands of genomes in the near future. Although it is feasible to construct de novo genome assemblies in a few months, there has been relatively little attention to what is lost by sole application of short sequence reads. We compared the recent de novo assemblies using the short oligonucleotide analysis package (SOAP), generated from the genomes of a Han Chinese individual and a Yoruban individual, to experimentally validated genomic features. We found that de novo assemblies were 16.2% shorter than the reference genome and that 420.2 megabase pairs of common repeats and 99.1% of validated duplicated sequences were missing from the genome. Consequently, over 2,377 coding exons were completely missing. We conclude that high-quality sequencing approaches must be considered in conjunction with high-throughput sequencing for comparative genomics analyses and studies of genome evolution.

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Metadata

Authors
Alkan, C., Sajjadian, S., & Eichler, E. E.
Venue
Nature Methods
Published
2010-11-21
Volume
8
Issue
1
Pages
61-65
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W2061338306
Cited by
733
References
7
FWCI
20.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Limitations of next-generation genome sequence assembly. https://app.cochat.ai/papers/10.1038/nmeth.1527
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Alkan, C., Sajjadian, S., & Eichler, E. E. (2011). Limitations of next-generation genome sequence assembly. Nature Methods. https://doi.org/10.1038/nmeth.1527

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