Quantifying the contribution of recessive coding variation to developmental disorders

Author:

Martin Hilary C.1ORCID,Jones Wendy D.12ORCID,McIntyre Rebecca1ORCID,Sanchez-Andrade Gabriela1,Sanderson Mark1,Stephenson James D.13ORCID,Jones Carla P.1ORCID,Handsaker Juliet1ORCID,Gallone Giuseppe1ORCID,Bruntraeger Michaela1ORCID,McRae Jeremy F.1ORCID,Prigmore Elena1ORCID,Short Patrick1ORCID,Niemi Mari1ORCID,Kaplanis Joanna1,Radford Elizabeth J.14ORCID,Akawi Nadia5ORCID,Balasubramanian Meena6ORCID,Dean John7ORCID,Horton Rachel8,Hulbert Alice9,Johnson Diana S.6,Johnson Katie10ORCID,Kumar Dhavendra11,Lynch Sally Ann12ORCID,Mehta Sarju G.13ORCID,Morton Jenny14,Parker Michael J.15,Splitt Miranda16ORCID,Turnpenny Peter D.17ORCID,Vasudevan Pradeep C.18,Wright Michael16ORCID,Bassett Andrew1ORCID,Gerety Sebastian S.1ORCID,Wright Caroline F.19ORCID,FitzPatrick David R.20ORCID,Firth Helen V.113ORCID,Hurles Matthew E.1,Barrett Jeffrey C.1ORCID,

Affiliation:

1. Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK.

2. Great Ormond Street Hospital for Children, National Health Service (NHS) Foundation Trust, Great Ormond Street Hospital, Great Ormond Street, London WC1N 3JH, UK.

3. European Molecular Biology Laboratory–European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridgeshire CB10 1SD, UK.

4. Department of Paediatrics, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.

5. Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK.

6. Sheffield Clinical Genetics Service, Sheffield Children’s NHS Foundation Trust, OPD2, Northern General Hospital, Herries Rd., Sheffield, S5 7AU, UK.

7. Department of Genetics, Aberdeen Royal Infirmary, Aberdeen, UK.

8. Wessex Clinical Genetics Service, G Level, Princess Anne Hospital, Coxford Road, Southampton SO16 5YA, UK.

9. Cheshire and Merseyside Clinical Genetic Service, Liverpool Women’s NHS Foundation Trust, Crown Street, Liverpool L8 7SS, UK.

10. Department of Clinical Genetics, City Hospital Campus, Hucknall Road, Nottingham NG5 1PB, UK.

11. Institute of Cancer and Genetics, University Hospital of Wales, Cardiff, UK.

12. Temple Street Children’s Hospital, Dublin, Ireland.

13. Department of Clinical Genetics, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.

14. Clinical Genetics Unit, Birmingham Women’s Hospital, Edgbaston, Birmingham B15 2TG, UK.

15. Sheffield Clinical Genetics Service, Sheffield Children’s Hospital, Western Bank, Sheffield S10 2TH, UK.

16. Northern Genetics Service, Newcastle upon Tyne Hospitals, NHS Foundation Trust, Newcastle upon Tyne, UK.

17. Clinical Genetics, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK.

18. Department of Clinical Genetics, University Hospitals of Leicester NHS Trust, Leicester Royal Infirmary, Leicester LE1 5WW, UK.

19. University of Exeter Medical School, Institute of Biomedical and Clinical Science, Research, Innovation, Learning and Development (RILD), Royal Devon and Exeter Hospital, Barrack Road, Exeter, EX2 5DW, UK.

20. Medical Research Council (MRC) Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine (IGMM), University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU, UK.

Abstract

Genetic architecture of developmental disorders The genetics of developmental disorders (DDs) is complex. Martin et al. wanted to determine the degree of recessive inheritance of DDs in protein-coding genes. They examined the exomes of more than 6000 families in populations with high and low proportions of consanguineous marriages. They found that 3.6% of DDs in individuals of European ancestry involved recessive coding disorders, less than a tenth of the levels previously estimated. Furthermore, among South Asians with high parental relatedness, rather than most of the disorders arising from inherited variants, fewer than half had a recessive coding diagnosis. Science , this issue p. 1161

Funder

Wellcome Trust

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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