Cited by 172Genomics and Phylogenetic StudiesGenomic variations and chromosomal abnormalitiesGenomics and Rare Diseases

Improvements and impacts of GRCh38 human reference on high throughput sequencing data analysis

Open access
Guo, Yan, Dai, Yulin, Yu, Hui, Zhao, Shilin, Samuels, David C., Shyr, Yu·2017·Genomics

Abstract

Analyses of high throughput sequencing data starts with alignment against a reference genome, which is the foundation for all re-sequencing data analyses. Each new release of the human reference genome has been augmented with improved accuracy and completeness. It is presumed that the latest release of human reference genome, GRCh38 will contribute more to high throughput sequencing data analysis by providing more accuracy. But the amount of improvement has not yet been quantified. We conducted a study to compare the genomic analysis results between the GRCh38 reference and its predecessor GRCh37. Through analyses of alignment, single nucleotide polymorphisms, small insertion/deletions, copy number and structural variants, we show that GRCh38 offers overall more accurate analysis of human sequencing data. More importantly, GRCh38 produced fewer false positive structural variants. In conclusion, GRCh38 is an improvement over GRCh37 not only from the genome assembly aspect, but also yields more reliable genomic analysis results.

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Crossref · 10.1016/j.ygeno.2017.01.005

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Authors
Guo, Y., Dai, Y., Yu, H., Zhao, S., Samuels, D. C., & Shyr, Y.
Affiliations
Vanderbilt University (US)
Corresponding author
  • Guo, Yan
  • Shyr, Yu
Venue
Genomics
Publisher
Elsevier BV
Published
2017-03
Volume
109
Issue
2
Pages
83-90
ISSN
0888-7543 (ISSN-L)
OpenAlex
W2580314844
Cited by
172
References
40
Citations by year
2026: 16 · 2025: 26 · 2024: 18 · 2023: 17 · 2022: 17 · 2021: 31 · 2020: 14 · 2019: 27 · 2018: 5
FWCI
5.14
Type
journal article
Language
en
Open access
Locations
  • Genomics (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (P30CA068485)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
Keywords
GRCh38, GRCh37, human reference genome, high-throughput sequencing data analysis, sequence alignment, single nucleotide polymorphisms, small insertions and deletions, copy number variation, structural variants
MeSH terms
Data Accuracy, Humans, Polymorphism, Genetic, Genomic Library, Genome, Human, Sequence Analysis, DNA, Genomics, High-Throughput Nucleotide Sequencing

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