Evidence map›Paper›PMID 25985139›Full record

ArticleNature genetics2015

Genome-wide maps of recombination and chromosome segregation in human oocytes and embryos show selection for maternal recombination rates.

Christian S Ottolini, Louise Newnham, Antonio Capalbo, Senthilkumar A Natesan, Hrishikesh A Joshi, Danilo Cimadomo, Darren K Griffin, Karen Sage, Michael C Summers, Alan R Thornhill and 6 more

Abstract read
In one paragraph

Article in Nature genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 146 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
146citing papers in PubMed, 1 pooled it
–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

146 citing papers in PubMed, 1 synthesis or guideline pooled it.

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86 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

16 authors.

Christian S Ottolini *The Bridge Centre, London, UK.
Louise Newnham *Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, UK.
Antonio Capalbo *G.E.N.E.R.A., Centers for Reproductive Medicine, Rome, Italy.
Senthilkumar A NatesanIllumina, Capital Park CPC4, Fulbourn, Cambridge, UK.
Hrishikesh A JoshiIllumina, Capital Park CPC4, Fulbourn, Cambridge, UK.
Danilo CimadomoG.E.N.E.R.A., Centers for Reproductive Medicine, Rome, Italy.
Darren K GriffinSchool of Biosciences, University of Kent, Canterbury, UK.
Karen SageThe Bridge Centre, London, UK.
Michael C SummersThe Bridge Centre, London, UK.
Alan R ThornhillIllumina, Capital Park CPC4, Fulbourn, Cambridge, UK.
Elizabeth HousworthDepartment of Mathematics and Statistics, University of Indiana, Bloomington, Indiana, US.
Alex D HerbertGenome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, UK.
Laura RienziG.E.N.E.R.A., Centers for Reproductive Medicine, Rome, Italy.
Filippo M UbaldiG.E.N.E.R.A., Centers for Reproductive Medicine, Rome, Italy.
Alan H HandysideThe Bridge Centre, London, UK.
Eva R HoffmannGenome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, UK.

Funding

Biotechnology and Biological Sciences Research Council BB/E024211/1Biotechnology and Biological Sciences Research Council G19438/2Medical Research Council G0902043
6 · The paper itself

Abstract

Crossover recombination reshuffles genes and prevents errors in segregation that lead to extra or missing chromosomes (aneuploidy) in human eggs, a major cause of pregnancy failure and congenital disorders. Here we generate genome-wide maps of crossovers and chromosome segregation patterns by recovering all three products of single female meioses. Genotyping >4 million informative SNPs from 23 complete meioses allowed us to map 2,032 maternal and 1,342 paternal crossovers and to infer the segregation patterns of 529 chromosome pairs. We uncover a new reverse chromosome segregation pattern in which both homologs separate their sister chromatids at meiosis I; detect selection for higher recombination rates in the female germ line by the elimination of aneuploid embryos; and report chromosomal drive against non-recombinant chromatids at meiosis II. Collectively, our findings show that recombination not only affects homolog segregation at meiosis I but also the fate of sister chromatids at meiosis II.

Indexed as

Chromosome SegregationRecombination, GeneticCells, CulturedChromosome MappingCrossing Over, GeneticFemaleGenome, HumanHumansMeiosisOocytesPolar BodiesPolymorphism, Single NucleotideSequence Analysis, DNA

Identifiers

PMID25985139
PMCPMC4770575

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.