Linked-read sequencing of gametes allows efficient genome-wide analysis of meiotic recombination

Hequan Sun, Beth A. Rowan, Pádraic J. Flood, Ronny Brandt, Janina Fuss, Angela M. Hancock, Richard W Michelmore, Bruno Huettel, Korbinian Schneeberger

Research output: Contribution to journalArticle

Abstract

Meiotic crossovers (COs) ensure proper chromosome segregation and redistribute the genetic variation that is transmitted to the next generation. Large populations and the demand for genome-wide, fine-scale resolution challenge existing methods for CO identification. Taking advantage of linked-read sequencing, we develop a highly efficient method for genome-wide identification of COs at kilobase resolution in pooled recombinants. We first test this method using a pool of Arabidopsis F2 recombinants, and recapitulate results obtained from the same plants using individual whole-genome sequencing. By applying this method to a pool of pollen DNA from an F1 plant, we establish a highly accurate CO landscape without generating or sequencing a single recombinant plant. The simplicity of this approach enables the simultaneous generation and analysis of multiple CO landscapes, accelerating the pace at which mechanisms for the regulation of recombination can be elucidated through efficient comparisons of genotypic and environmental effects on recombination.

Original languageEnglish (US)
Number of pages1
JournalNature communications
Volume10
Issue number1
DOIs
StatePublished - Sep 20 2019

Fingerprint

sequencing
genome
Germ Cells
Genetic Recombination
crossovers
Genes
Genome
Plant DNA
Chromosomes
Chromosome Segregation
Environmental impact
pollen
Pollen
Arabidopsis
chromosomes
DNA
deoxyribonucleic acid
Population

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Sun, H., Rowan, B. A., Flood, P. J., Brandt, R., Fuss, J., Hancock, A. M., ... Schneeberger, K. (2019). Linked-read sequencing of gametes allows efficient genome-wide analysis of meiotic recombination. Nature communications, 10(1). https://doi.org/10.1038/s41467-019-12209-2

Linked-read sequencing of gametes allows efficient genome-wide analysis of meiotic recombination. / Sun, Hequan; Rowan, Beth A.; Flood, Pádraic J.; Brandt, Ronny; Fuss, Janina; Hancock, Angela M.; Michelmore, Richard W; Huettel, Bruno; Schneeberger, Korbinian.

In: Nature communications, Vol. 10, No. 1, 20.09.2019.

Research output: Contribution to journalArticle

Sun, H, Rowan, BA, Flood, PJ, Brandt, R, Fuss, J, Hancock, AM, Michelmore, RW, Huettel, B & Schneeberger, K 2019, 'Linked-read sequencing of gametes allows efficient genome-wide analysis of meiotic recombination', Nature communications, vol. 10, no. 1. https://doi.org/10.1038/s41467-019-12209-2
Sun, Hequan ; Rowan, Beth A. ; Flood, Pádraic J. ; Brandt, Ronny ; Fuss, Janina ; Hancock, Angela M. ; Michelmore, Richard W ; Huettel, Bruno ; Schneeberger, Korbinian. / Linked-read sequencing of gametes allows efficient genome-wide analysis of meiotic recombination. In: Nature communications. 2019 ; Vol. 10, No. 1.
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