Evidence map›Paper›PMID 19423874›Full record

ArticleGenome research2009

Mapping epigenetic mutations in fission yeast using whole-genome next-generation sequencing.

Danielle V Irvine, Derek B Goto, Matthew W Vaughn, Yukinobu Nakaseko, W Richard McCombie, Mitsuhiro Yanagida, Rob Martienssen

Abstract 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 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing 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

34 citing papers in PubMed.

  1. Clr4Nature communications · 2024
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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

7 authors.

Danielle V IrvineCold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA.
Derek B Goto
Matthew W Vaughn
Yukinobu Nakaseko
W Richard McCombie
Mitsuhiro Yanagida
Rob Martienssen

Funding

RNAi, Histone Modification and the DDB1/CPSF-Like Complex Rik1R01GM076396 · NIGMS · COLD SPRING HARBOR LABORATORY · PI MARTIENSSEN, ROBERT A · 2007 to 2020
$4.9M
NIGMS NIH HHS R01 GM076396NIGMS NIH HHS R01-GM076396
6 · The paper itself

Abstract

Fission yeast is an important model for epigenetic studies due to the ease with which genetic mutants can be isolated. However, it can be difficult to complement epigenetic phenotypes with genomic libraries in order to identify the genes responsible. This is because epigenetic phenotypes are typically unstable, and can prohibit complementation if silencing cannot be reestablished. Here we have resequenced the fission yeast genome following mutagenesis to readily identify a novel mutant involved in heterochromatic silencing. Candidate genes were identified as functional single base changes linked to the mutation, which were then reconstituted in a wild-type strain to recapitulate the mutant phenotype. By this procedure we identified a weak allele of ubc4, which encodes an essential E2 ubiquitin ligase, as responsible for the swi*603 mutant phenotype. In combination with a large collection of mutants and suppressor plasmids, next-generation genomic resequencing promises to dramatically enhance the power of yeast genetics, permitting the isolation of subtle alleles of essential genes, alleles with quantitative effects, and enhancers and suppressors of heterochromatic silencing.

Indexed as

MutationAmino Acid SubstitutionChromosome MappingChromosomes, FungalEpigenesis, GeneticFungal ProteinsGenes, EssentialGenome, FungalPhenotypePolymorphism, Single NucleotideSchizosaccharomycesSequence Analysis, DNAUbiquitin-Conjugating EnzymesFungal ProteinsUbiquitin-Conjugating Enzymes

Identifiers

PMID19423874
PMCPMC2694473

What OpenQuestion holds

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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.