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1. Copy number variation
- Prof. Steve Scherer
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3. CNVs in human genomes
- Prof. Chris Ponting
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4. Gene copy number variation in human and primate evolution
- Prof. James Sikela
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6. CNVs and clinical diagnosis
- Dr. Brynn Levy
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7. Quantitative CNV testing in molecular diagnostics
- Prof. Dimitri J. Stavropoulos
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8. Mendelian CNV mutations
- Prof. Joris Vermeesch
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9. Copy number variation in neuropsychiatric disorders
- Dr. Christian Marshall
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10. Copy number variation in association studies of human disease
- Dr. Steven McCarroll
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11. Ethical considerations in dealing with CNV information
- Dr. Holly Tabor
- Archived Lectures *These may not cover the latest advances in the field
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15. Population genetics of structural variation
- Dr. Don Conrad
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16. Databases for CNV in control and disease populations
- Dr. Lars Feuk
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17. Copy number variation in mental retardation
- Dr. Joris Veltman
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19. Structural variants and susceptibility to common human disorders
- Prof. Xavier Estivill
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20. Indels, CNVs and the spectrum of human genome variation
- Prof. Samuel Levy
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21. Genome structure and expression
- Prof. Alexandre Reymond
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22. Quantitative CNV testing in molecular diagnostics
- Prof. Martin Somerville
Printable Handouts
Navigable Slide Index
- Introduction
- Copy number variants (CNVs)
- Structural variants
- CNVs and gene dosage
- CNV genes
- Mechanisms of CNV formation
- Genome reference sequence
- Segmental duplications (SDs)
- Where do human segmental duplications occur?
- Allele frequencies
- Positive selection on gene copy number
- Positive selection - 'survival of the fittest'
- Nucleotide substitution selective pressure
- Recombination varies over a chromosome
- Variation in the efficiency of selection (1)
- Mutational biases
- 5%/95% split
- Non-random model of chromosome breakage
- G+C-rich sequence
- G+C content in CNVs and segmental duplications
- Larger CNVs are richer in G+C
- Mutational biases: summary
- Positive selection
- Positive selection on amino acid substitution
- Positive selection on gene copy number
- Positive selection: frequent or rare?
- High gene density in CNVs/SDs
- Elevated protein evolutionary (dN/dS) rates
- Variation in the efficiency of selection (2)
- Recombination rate and dN/dS relationship
- Hill-Robertson interference
- Effects of reduced purifying selection
- Gene contents of CNVs
- Disease gene contents of CNVs
- General summary
- Exceptions to prove the rule
- CNV evolution: the way forward
- Acknowledgements
- References (1)
- References (2)
Topics Covered
- Evolution of copy number variants
- Positive or negative selection acting on copy number variable genes
- Hill-Robertson interference and its effect on the efficacy of selection
- Prediction of genes more likely, when copy number variable, to contribute to human disease
Talk Citation
Ponting, C. (2009, August 30). CNVs in human genomes [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved December 26, 2024, from https://doi.org/10.69645/HKNY4962.Export Citation (RIS)
Publication History
Financial Disclosures
- Prof. Chris Ponting has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.