Evidence map›Paper›PMID 20383140›Full record

ArticleNature cell biology2010

GEMC1 is a TopBP1-interacting protein required for chromosomal DNA replication.

Alessia Balestrini, Claudia Cosentino, Alessia Errico, Elizabeth Garner, Vincenzo Costanzo

Open access · greenAbstract read
In one paragraph

Article in Nature cell biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.

0numbers the graph read from it
0cells of the map it votes in
63citing papers in PubMed
5.4field-weighted citation impact, top 3% 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

63 citing papers in PubMed, 110 citations in OpenAlex.

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  12. Ontogeny of adult neural stem cells in the mammalian brain.Current topics in developmental biology · 2021
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3 more citing papers are in PubMed but not listed here.

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

5 authors at 1 institution in 1 country.

Alessia BalestriniGenome Stability, London Research Institute, Hertfordshire, UK.
Claudia Cosentino
Alessia Errico
Elizabeth Garner
Vincenzo Costanzo
University of Hertfordshire · GB

Funding

Cancer Research UK A7124European Research Council 206281
6 · The paper itself

Abstract

Many of the factors required for chromosomal DNA replication have been identified in unicellular eukaryotes. However, DNA replication is poorly understood in multicellular organisms. Here, we report the identification of GEMC1 (geminin coiled-coil containing protein 1), a novel vertebrate protein required for chromosomal DNA replication. GEMC1 is highly conserved in vertebrates and is preferentially expressed in proliferating cells. Using Xenopus laevis egg extract we show that Xenopus GEMC1 (xGEMC1) binds to the checkpoint and replication factor TopBP1, which promotes binding of xGEMC1 to chromatin during pre-replication complex (pre-RC) formation. We demonstrate that xGEMC1 interacts directly with replication factors such as Cdc45 and the kinase Cdk2-CyclinE, through which it is heavily phosphorylated. Phosphorylated xGEMC1 stimulates initiation of DNA replication, whereas depletion of xGEMC1 prevents the onset of DNA replication owing to the impairment of Cdc45 loading onto chromatin. Similarly, inhibition of GEMC1 expression with morpholino and siRNA oligos prevents DNA replication in embryonic and somatic vertebrate cells. These data suggest that GEMC1 promotes initiation of chromosomal DNA replication in multicellular organisms by mediating TopBP1- and Cdk2-dependent recruitment of Cdc45 onto replication origins.

Indexed as

DNA ReplicationAnimalsCarrier ProteinsCell Cycle ProteinsChromosomesCyclin-Dependent Kinase 2DNA-Binding ProteinsMolecular Sequence DataOvumProtein BindingReplication OriginXenopus laevisXenopus ProteinsCarrier ProteinsCdc45 protein, XenopusCdk2 protein, XenopusCell Cycle ProteinsCyclin-Dependent Kinase 2DNA-Binding ProteinsGMNC protein, XenopusTopBP1 protein, XenopusXenopus Proteins

Identifiers

PMID20383140
PMCPMC2875115
OpenAlexW1995767984

What OpenQuestion holds

Textmetadata
LicenceTDM
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.