Evidence map›Paper›PMID 30120244›Full record

ArticleNature communications2018

Linear mapping approximation of gene regulatory networks with stochastic dynamics.

Zhixing Cao, Ramon Grima

Abstract read
In one paragraph

Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing 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

41 citing papers in PubMed.

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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

2 authors.

Zhixing CaoSchool of Biological Sciences, the University of Edinburgh, Mayfield Road, Edinburgh, EH9 3JH, Scotland, UK.ORCID http://orcid.org/0000-0003-2600-5806
Ramon GrimaSchool of Biological Sciences, the University of Edinburgh, Mayfield Road, Edinburgh, EH9 3JH, Scotland, UK. ramon.grima@ed.ac.uk.

Funding

Biotechnology and Biological Sciences Research Council BB/M018040/1Biotechnology and Biological Sciences Research Council (BBSRC) BB/M018040/1
6 · The paper itself

Abstract

The presence of protein-DNA binding reactions often leads to analytically intractable models of stochastic gene expression. Here we present the linear-mapping approximation that maps systems with protein-promoter interactions onto approximately equivalent systems with no binding reactions. This is achieved by the marriage of conditional mean-field approximation and the Magnus expansion, leading to analytic or semi-analytic expressions for the approximate time-dependent and steady-state protein number distributions. Stochastic simulations verify the method's accuracy in capturing the changes in the protein number distributions with time for a wide variety of networks displaying auto- and mutual-regulation of gene expression and independently of the ratios of the timescales governing the dynamics. The method is also used to study the first-passage time distribution of promoter switching, the sensitivity of the size of protein number fluctuations to parameter perturbation and the stochastic bifurcation diagram characterizing the onset of multimodality in protein number distributions.

Indexed as

AlgorithmsGene Regulatory NetworksFeedbackProbabilityPromoter Regions, GeneticProtein BiosynthesisProteolysisRNA, MessengerStochastic ProcessesTime FactorsTranscription, GeneticRNA, Messenger

Identifiers

PMID30120244
PMCPMC6098115

What OpenQuestion holds

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Registered trials

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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.