Cited by 104Genome Rearrangement AlgorithmsFungal and yeast genetics researchYeasts and Rust Fungi Studies

Highly variable rates of genome rearrangements between hemiascomycetous yeast lineages

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Fischer, Gilles, Rocha, Eduardo P. C, Brunet, Frédéric, Vergassola, Massimo, Dujon, Bernard·2006·PLoS Genetics

Abstract

Hemiascomycete yeasts cover an evolutionary span comparable to that of the entire phylum of chordates. Since this group currently contains the largest number of complete genome sequences it presents unique opportunities to understand the evolution of genome organization in eukaryotes. We inferred rates of genome instability on all branches of a phylogenetic tree for 11 species and calculated species-specific rates of genome rearrangements. We characterized all inversion events that occurred within synteny blocks between six representatives of the different lineages. We show that the rates of macro- and microrearrangements of gene order are correlated within individual lineages but are highly variable across different lineages. The most unstable genomes correspond to the pathogenic yeasts Candida albicans and Candida glabrata. Chromosomal maps have been intensively shuffled by numerous interchromosomal rearrangements, even between species that have retained a very high physical fraction of their genomes within small synteny blocks. Despite this intensive reshuffling of gene positions, essential genes, which cluster in low recombination regions in the genome of Saccharomyces cerevisiae, tend to remain syntenic during evolution. This work reveals that the high plasticity of eukaryotic genomes results from rearrangement rates that vary between lineages but also at different evolutionary times of a given lineage.

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  • The C. glabrata genome displays robust synteny with the genome of S. cerevisiae, with synteny blocks present in 88% of the genome of these two yeasts.

    “The C. glabrata genome displays robust synteny with the genome of the non-pathogenic yeast Saccharomyces cerevisiae, and synteny blocks were found to be present in 88% of the genome of these two yeasts [17,22].”

    From Candida glabrata: A Lot More Than Meets the Eye (2019) · cites this paper as [22]

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Authors
Fischer, G., Rocha, E. P. C., Brunet, F., Vergassola, M., & Dujon, B.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • École Normale Supérieure de Lyon (FR)
Corresponding author
Fischer, Gilles
Venue
PLoS Genetics
Published
2006-03-10
Volume
2
Issue
3
Pages
e32
ISSN
  • 1553-7390 (ISSN-L)
  • 1553-7404
OpenAlex
W1982555149
Cited by
101
References
32
Citations by year
2026: 1 · 2023: 6 · 2022: 1 · 2021: 3 · 2020: 2 · 2019: 4 · 2018: 7 · 2017: 7 · 2016: 6 · 2015: 1 · 2014: 5 · 2013: 3 · 2012: 5
FWCI
6.63
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • PLoS Genetics (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • Association pour la Recherche sur le Cancer
  • Institut Universitaire de France
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genome Rearrangement Algorithms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Yeasts and Rust Fungi Studies
Keywords
genome rearrangement, hemiascomycetous yeasts, genomic instability, chromosomal inversions, synteny, interchromosomal rearrangements, Candida albicans, Candida glabrata, Saccharomyces cerevisiae, essential genes, gene order evolution, genome plasticity, recombination rate
MeSH terms
Candida albicans, Chromosome Mapping, Genes, Fungal, Phylogeny, Saccharomyces cerevisiae, Species Specificity, Models, Statistical, Chromosomes, Fungal, Genome, Bacterial, Genome, Fungal, Evolution, Molecular, Candida glabrata

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