Evidence map›Paper›PMID 21402863›Full record

ArticleGenome biology and evolution2011

Transcriptional coupling of neighboring genes and gene expression noise: evidence that gene orientation and noncoding transcripts are modulators of noise.

Guang-Zhong Wang, Martin J Lercher, Laurence D Hurst

Abstract read
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Article in Genome biology and evolution, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

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37citing papers in PubMed
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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

37 citing papers in PubMed.

  1. Molecular models of bidirectional promoter regulation.Current opinion in structural biology · 2024
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  13. Sequence-Modified Antibiotic Resistance Genes Provide Sustained Plasmid-Mediated Transgene Expression in Mammals.Molecular therapy : the journal of the American Society of Gene Therapy · 2017
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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Guang-Zhong WangDepartment of Biology and Biochemistry, University of Bath, Bath BA2 7AY, United Kingdom.
Martin J Lercher
Laurence D Hurst

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

How is noise in gene expression modulated? Do mechanisms of noise control impact genome organization? In yeast, the expression of one gene can affect that of a very close neighbor. As the effect is highly regionalized, we hypothesize that genes in different orientations will have differing degrees of coupled expression and, in turn, different noise levels. Divergently organized gene pairs, in particular those with bidirectional promoters, have close promoters, maximizing the likelihood that expression of one gene affects the neighbor. With more distant promoters, the same is less likely to hold for gene pairs in nondivergent orientation. Stochastic models suggest that coupled chromatin dynamics will typically result in low abundance-corrected noise (ACN). Transcription of noncoding RNA (ncRNA) from a bidirectional promoter, we thus hypothesize to be a noise-reduction, expression-priming, mechanism. The hypothesis correctly predicts that protein-coding genes with a bidirectional promoter, including those with a ncRNA partner, have lower ACN than other genes and divergent gene pairs uniquely have correlated ACN. Moreover, as predicted, ACN increases with the distance between promoters. The model also correctly predicts ncRNA transcripts to be often divergently transcribed from genes that a priori would be under selection for low noise (essential genes, protein complex genes) and that the latter genes should commonly reside in divergent orientation. Likewise, that genes with bidirectional promoters are rare subtelomerically, cluster together, and are enriched in essential gene clusters is expected and observed. We conclude that gene orientation and transcription of ncRNAs are candidate modulators of noise.

Indexed as

Gene Expression Regulation, FungalGene OrderTranscription, Genetic5' Untranslated RegionsModels, GeneticPromoter Regions, GeneticRNA, FungalRNA, UntranslatedSaccharomyces cerevisiae5' Untranslated RegionsRNA, FungalRNA, Untranslated

Identifiers

PMID21402863
PMCPMC5654408

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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.