Pan-genomics in the human genome era

Rachel M. Sherman, Steven L. Salzberg

Research output: Contribution to journalReview articlepeer-review


Since the early days of the genome era, the scientific community has relied on a single ‘reference’ genome for each species, which is used as the basis for a wide range of genetic analyses, including studies of variation within and across species. As sequencing costs have dropped, thousands of new genomes have been sequenced, and scientists have come to realize that a single reference genome is inadequate for many purposes. By sampling a diverse set of individuals, one can begin to assemble a pan-genome: a collection of all the DNA sequences that occur in a species. Here we review efforts to create pan-genomes for a range of species, from bacteria to humans, and we further consider the computational methods that have been proposed in order to capture, interpret and compare pan-genome data. As scientists continue to survey and catalogue the genomic variation across human populations and begin to assemble a human pan-genome, these efforts will increase our power to connect variation to human diversity, disease and beyond.

Original languageEnglish (US)
Pages (from-to)243-254
Number of pages12
JournalNature Reviews Genetics
Issue number4
StatePublished - Apr 1 2020

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Genetics(clinical)


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