Extensive Variation in the Mutation Rate Between and Within Human Genes Associated with Mendelian Disease.
Identifieur interne : 001F17 ( Main/Exploration ); précédent : 001F16; suivant : 001F18Extensive Variation in the Mutation Rate Between and Within Human Genes Associated with Mendelian Disease.
Auteurs : Thomas Smith [Royaume-Uni] ; Gladys Ho [Australie] ; John Christodoulou [Australie] ; Elizabeth Ann Price [Royaume-Uni] ; Zerrin Onadim [Royaume-Uni] ; Marion Gauthier-Villars [France] ; Catherine Dehainault [France] ; Claude Houdayer [France] ; Beatrice Parfait [France] ; Rick Van Minkelen [Pays-Bas] ; Dietmar Lohman [Allemagne] ; Adam Eyre-Walker [Royaume-Uni]Source :
- Human mutation [ 1098-1004 ] ; 2016.
Descripteurs français
- KwdFr :
- Algorithmes, Codon non-sens, Humains, Hétérogénéité génétique, Ilots CpG, Neurofibromine-1 (génétique), Protéine-2 de liaison au CpG méthylé (génétique), Protéines de liaison à la protéine du rétinoblastome (génétique), Prédisposition génétique à une maladie (génétique), Taux de mutation, Ubiquitin-protein ligases (génétique).
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , genetics : Methyl-CpG-Binding Protein 2, Neurofibromin 1, Retinoblastoma Binding Proteins, Ubiquitin-Protein Ligases.
- chemical : Codon, Nonsense.
- genetics : Genetic Predisposition to Disease.
- Algorithms, CpG Islands, Genetic Heterogeneity, Humans, Mutation Rate.
Abstract
We have investigated whether the mutation rate varies between genes and sites using de novo mutations (DNMs) from three genes associated with Mendelian diseases (RB1, NF1, and MECP2). We show that the relative frequency of mutations at CpG dinucleotides relative to non-CpG sites varies between genes and relative to the genomic average. In particular we show that the rate of transition mutation at CpG sites relative to the rate of non-CpG transversion is substantially higher in our disease genes than amongst DNMs in general; the rate of CpG transition can be several hundred-fold greater than the rate of non-CpG transversion. We also show that the mutation rate varies significantly between sites of a particular mutational type, such as non-CpG transversion, within a gene. We estimate that for all categories of sites, except CpG transitions, there is at least a 30-fold difference in the mutation rate between the 10% of sites with the highest and lowest mutation rates. However, our best estimate is that the mutation rate varies by several hundred-fold variation. We suggest that the presence of hypermutable sites may be one reason certain genes are associated with disease.
DOI: 10.1002/humu.22967
PubMed: 26857394
Affiliations:
- Allemagne, Australie, France, Pays-Bas, Royaume-Uni
- Angleterre, Grand Londres, Hollande-Méridionale, Nouvelle-Galles du Sud, Sussex de l'Est, Île-de-France
- Brighton, Falmer, Londres, Paris, Rotterdam, Sydney
- Université Paris-Descartes, Université du Sussex
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Le document en format XML
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<term>Codon, Nonsense</term>
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<term>Genetic Heterogeneity</term>
<term>Genetic Predisposition to Disease (genetics)</term>
<term>Humans</term>
<term>Methyl-CpG-Binding Protein 2 (genetics)</term>
<term>Mutation Rate</term>
<term>Neurofibromin 1 (genetics)</term>
<term>Retinoblastoma Binding Proteins (genetics)</term>
<term>Ubiquitin-Protein Ligases (genetics)</term>
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<term>Protéine-2 de liaison au CpG méthylé (génétique)</term>
<term>Protéines de liaison à la protéine du rétinoblastome (génétique)</term>
<term>Prédisposition génétique à une maladie (génétique)</term>
<term>Taux de mutation</term>
<term>Ubiquitin-protein ligases (génétique)</term>
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<term>Neurofibromin 1</term>
<term>Retinoblastoma Binding Proteins</term>
<term>Ubiquitin-Protein Ligases</term>
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<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Codon, Nonsense</term>
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<term>Ubiquitin-protein ligases</term>
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<term>Genetic Heterogeneity</term>
<term>Humans</term>
<term>Mutation Rate</term>
</keywords>
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<term>Codon non-sens</term>
<term>Humains</term>
<term>Hétérogénéité génétique</term>
<term>Ilots CpG</term>
<term>Taux de mutation</term>
</keywords>
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<front><div type="abstract" xml:lang="en">We have investigated whether the mutation rate varies between genes and sites using de novo mutations (DNMs) from three genes associated with Mendelian diseases (RB1, NF1, and MECP2). We show that the relative frequency of mutations at CpG dinucleotides relative to non-CpG sites varies between genes and relative to the genomic average. In particular we show that the rate of transition mutation at CpG sites relative to the rate of non-CpG transversion is substantially higher in our disease genes than amongst DNMs in general; the rate of CpG transition can be several hundred-fold greater than the rate of non-CpG transversion. We also show that the mutation rate varies significantly between sites of a particular mutational type, such as non-CpG transversion, within a gene. We estimate that for all categories of sites, except CpG transitions, there is at least a 30-fold difference in the mutation rate between the 10% of sites with the highest and lowest mutation rates. However, our best estimate is that the mutation rate varies by several hundred-fold variation. We suggest that the presence of hypermutable sites may be one reason certain genes are associated with disease.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Australie</li>
<li>France</li>
<li>Pays-Bas</li>
<li>Royaume-Uni</li>
</country>
<region><li>Angleterre</li>
<li>Grand Londres</li>
<li>Hollande-Méridionale</li>
<li>Nouvelle-Galles du Sud</li>
<li>Sussex de l'Est</li>
<li>Île-de-France</li>
</region>
<settlement><li>Brighton</li>
<li>Falmer</li>
<li>Londres</li>
<li>Paris</li>
<li>Rotterdam</li>
<li>Sydney</li>
</settlement>
<orgName><li>Université Paris-Descartes</li>
<li>Université du Sussex</li>
</orgName>
</list>
<tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Smith, Thomas" sort="Smith, Thomas" uniqKey="Smith T" first="Thomas" last="Smith">Thomas Smith</name>
</region>
<name sortKey="Eyre Walker, Adam" sort="Eyre Walker, Adam" uniqKey="Eyre Walker A" first="Adam" last="Eyre-Walker">Adam Eyre-Walker</name>
<name sortKey="Onadim, Zerrin" sort="Onadim, Zerrin" uniqKey="Onadim Z" first="Zerrin" last="Onadim">Zerrin Onadim</name>
<name sortKey="Price, Elizabeth Ann" sort="Price, Elizabeth Ann" uniqKey="Price E" first="Elizabeth Ann" last="Price">Elizabeth Ann Price</name>
</country>
<country name="Australie"><region name="Nouvelle-Galles du Sud"><name sortKey="Ho, Gladys" sort="Ho, Gladys" uniqKey="Ho G" first="Gladys" last="Ho">Gladys Ho</name>
</region>
<name sortKey="Christodoulou, John" sort="Christodoulou, John" uniqKey="Christodoulou J" first="John" last="Christodoulou">John Christodoulou</name>
</country>
<country name="France"><region name="Île-de-France"><name sortKey="Gauthier Villars, Marion" sort="Gauthier Villars, Marion" uniqKey="Gauthier Villars M" first="Marion" last="Gauthier-Villars">Marion Gauthier-Villars</name>
</region>
<name sortKey="Dehainault, Catherine" sort="Dehainault, Catherine" uniqKey="Dehainault C" first="Catherine" last="Dehainault">Catherine Dehainault</name>
<name sortKey="Houdayer, Claude" sort="Houdayer, Claude" uniqKey="Houdayer C" first="Claude" last="Houdayer">Claude Houdayer</name>
<name sortKey="Parfait, Beatrice" sort="Parfait, Beatrice" uniqKey="Parfait B" first="Beatrice" last="Parfait">Beatrice Parfait</name>
</country>
<country name="Pays-Bas"><region name="Hollande-Méridionale"><name sortKey="Van Minkelen, Rick" sort="Van Minkelen, Rick" uniqKey="Van Minkelen R" first="Rick" last="Van Minkelen">Rick Van Minkelen</name>
</region>
</country>
<country name="Allemagne"><noRegion><name sortKey="Lohman, Dietmar" sort="Lohman, Dietmar" uniqKey="Lohman D" first="Dietmar" last="Lohman">Dietmar Lohman</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>
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