Evidence map›Paper›PMID 19592681›Full record

ArticleGenome research2009

Unusual composition of a yeast chromosome arm is associated with its delayed replication.

Célia Payen, Gilles Fischer, Christian Marck, Caroline Proux, David James Sherman, Jean-Yves Coppée, Mark Johnston, Bernard Dujon, Cécile Neuvéglise

Open access · hybridAbstract read
In one paragraph

Article in Genome research, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 47 citations in OpenAlex.

  1. Absence of chromosome axis protein recruitment prevents meiotic recombination chromosome-wide in the budding yeastProceedings of the National Academy of Sciences of the United States of America · 2024
    Article
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  3. An Integrative View of the Role ofFoods (Basel, Switzerland) · 2021
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  19. Yeast evolutionary genomics.Nature reviews. Genetics · 2010
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 2 countries.

Célia PayenInstitut Pasteur, CNRS, URA, Université Pierre et Marie Curie, Paris, France.
Gilles Fischer
Christian Marck
Caroline Proux
David James Sherman
Jean-Yves Coppée
Mark Johnston
Bernard Dujon
Cécile Neuvéglise
Centre National de la Recherche Scientifique · FRInstitut Pasteur · FRInstitut de Biologie et Technologies · FRWashington University in St. Louis · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The 11.3-Mb genome of the yeast Lachancea (Saccharomyces) kluyveri displays an intriguing compositional heterogeneity: a region of approximately 1 Mb, covering almost the whole left arm of chromosome C (C-left), has an average GC content of 52.9%, which is significantly higher than the 40.4% global GC content of the rest of the genome. This region contains the MAT locus, which remains normal in composition. The excess of GC base pairs affects both coding and noncoding sequences, and thus is not due to selective pressure acting on protein sequences. It leads to a strong codon usage bias and alters the amino acid composition of the 457 proteins encoded on C-left that do not show obvious bias for functional categories, or the presence of paralogs or orthologs of essential genes of Saccharomyces cerevisiae. They share significant synteny conservation with other species of the Saccharomycetaceae, and phylogenetic analysis indicates that C-left originates from a Lachancea species. In contrast, there is a complete absence of transposable elements in C-left, whereas 18 elements per megabase are distributed across the rest of the genome. Comparative hybridization of synchronized cells using high-density genome arrays reveals that C-left is replicated later during S phase than the rest of the genome. Two possible primary causes of this major compositional heterogeneity are discussed: an ancient hybridization of two related species with very distinct GC composition, or an intrinsic mechanism, possibly associated with the loss of the silent cassettes from C-left that progressively increased the GC content and generated the delayed replication of this chromosomal arm.

Indexed as

Base CompositionChromosomes, FungalCodonDNA Replication TimingDNA Transposable ElementsGenome, FungalMolecular Sequence DataPhylogenySaccharomycesSyntenyCodonDNA Transposable Elements

Identifiers

PMID19592681
PMCPMC2765276
OpenAlexW2154759777

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.