Evidence map›Paper›PMID 27136687›Full record

ArticleCell systems2016

A Dynamical Framework for the All-or-None G1/S Transition.

Alexis R Barr, Frank S Heldt, Tongli Zhang, Chris Bakal, Béla Novák

Abstract read
In one paragraph

Article in Cell systems, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.

0numbers the graph read from it
0cells of the map it votes in
79citing 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

79 citing papers in PubMed.

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  13. Systems Biology of the Cancer Cell.Annual review of biomedical engineering · 2025
    Review
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19 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Alexis R BarrDivision of Cancer Biology, Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK.
Frank S HeldtDepartment of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK.
Tongli ZhangDepartment of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK.
Chris BakalDivision of Cancer Biology, Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK. Electronic address: chris.bakal@icr.ac.uk.
Béla NovákDepartment of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK. Electronic address: bela.novak@bioch.ox.ac.uk.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The transition from G1 into DNA replication (S phase) is an emergent behavior resulting from dynamic and complex interactions between cyclin-dependent kinases (Cdks), Cdk inhibitors (CKIs), and the anaphase-promoting complex/cyclosome (APC/C). Understanding the cellular decision to commit to S phase requires a quantitative description of these interactions. We apply quantitative imaging of single human cells to track the expression of G1/S regulators and use these data to parametrize a stochastic mathematical model of the G1/S transition. We show that a rapid, proteolytic, double-negative feedback loop between Cdk2:Cyclin and the Cdk inhibitor p27(Kip1) drives a switch-like entry into S phase. Furthermore, our model predicts that increasing Emi1 levels throughout S phase are critical in maintaining irreversibility of the G1/S transition, which we validate using Emi1 knockdown and live imaging of G1/S reporters. This work provides insight into the general design principles of the signaling networks governing the temporally abrupt transitions between cell-cycle phases.

Indexed as

G1 PhaseS PhaseAnaphase-Promoting Complex-CyclosomeCell Cycle CheckpointsCell Cycle ProteinsHumansAnaphase-Promoting Complex-CyclosomeCell Cycle Proteins

Identifiers

PMID27136687
PMCPMC4802413

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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.