Evidence map›Paper›PMID 21262833›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2011

Symmetry, asymmetry, and kinetics of silencing establishment in Saccharomyces cerevisiae revealed by single-cell optical assays.

Erin A Osborne, Yasushi Hiraoka, Jasper Rine

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.3field-weighted citation impact, top 20% of its field
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

20 citing papers in PubMed, 26 citations in OpenAlex.

  1. Article
  2. Article
  3. Measuring the buffering capacity of gene silencing inProceedings of the National Academy of Sciences of the United States of America · 2021
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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

3 authors at 2 institutions in 2 countries.

Erin A OsborneDepartment of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA.
Yasushi Hiraoka
Jasper Rine
University of California, Berkeley · USNational Institute of Information and Communications Technology · JP

Funding

GENETIC ANALYSIS OF THE GENES CONTROLLING A POSITIONR01GM031105 · NIGMS · UNIVERSITY OF CALIFORNIA BERKELEY · PI RINE, JASPER D · 1985 to 2020
$6.4M
GENETIC ANALYSIS OF GENES CONTROLLING A POSITION EFFECTR37GM031105 · NIGMS · UNIVERSITY OF CALIFORNIA BERKELEY · PI RINE, JASPER D · 1999 to 2008
$3.5M
NIGMS NIH HHS GM31105NIGMS NIH HHS R01 GM031105NIGMS NIH HHS R37 GM031105
6 · The paper itself

Abstract

In Saccharomyces cerevisiae, silent chromatin inhibits the expression of genes at the HML, HMR, and telomeric loci. When silent chromatin forms de novo, the rate of its establishment is influenced by different chromatin states. In particular, loss of the enzyme Dot1, an H3 K79 methyltransferase, leads to rapid silencing establishment. We tested whether silencing establishment was antagonized by H3 K79 methylation or by the Dot1 protein itself competing with Sir3 for binding sites on nucleosomes. To do so, we monitored fluorescence activity in cells containing a GFP gene within the HML locus during silencing establishment in a series of dot1 and histone mutant backgrounds. Silencing establishment rate was correlated with Dot1's enzymatic function rather than with the Dot1 protein itself. In addition, histone mutants that mimicked the conformation of unmethylated H3 K79 increased the rate of silencing establishment, indicating that the H3 K79 residue affected silencing independently of Dot1 abundance. Using fluorophore-based reporters, we confirmed that mother and daughter cells often silence in concert, but in instances where asymmetric silencing occurs, daughter cells established silencing earlier than their mothers. This noninvasive technique enabled us to demonstrate an asymmetry in silencing establishment of a key regulatory locus controlling cell fate.

Indexed as

Gene SilencingBiocatalysisCell CycleChromatinGene Expression Regulation, FungalGreen Fluorescent ProteinsHistone-Lysine N-MethyltransferaseHistonesKineticsLysineMethylationMicroscopy, FluorescenceMutationNuclear ProteinsReverse Transcriptase Polymerase Chain ReactionSaccharomyces cerevisiaeChromatinDot1 protein, S cerevisiaeGreen Fluorescent ProteinsHistone-Lysine N-MethyltransferaseHistonesLysineNuclear ProteinsSaccharomyces cerevisiae ProteinsSilent Information Regulator Proteins, Saccharomyces cerevisiaeSIR3 protein, S cerevisiae

Identifiers

PMID21262833
PMCPMC3029714
OpenAlexW2064288095

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.