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Printable Handouts
Navigable Slide Index
- Introduction
- Changes in habitat and life style
- Neutral and selected mutations trajectories
- Selection around polymorphic advantageous allele
- Selection around a fixed advantageous allele
- Distinguishing between demography and selection
- Two types of approaches
- Duffy blood group locus (FY): a case study
- FY*0 occurs at near-fixation frequency in Africa
- FY*0 allele: outlier in the human Fst distribution
- The signature of a selective sweep (1)
- The signature of a selective sweep (2)
- Resequencing survey of the FY region in Africa
- The FY*0 allele is found on two major haplotypes
- Sweeps on standing neutral variation
- Highly differentiated SNPs in the HapMap data
- Detecting signals of local adaptations
- Lactase gene is associated with selection signal
- Distribution of lactase persistence
- Selection on lactase persistence in Africa
- Human skin pigmentation
- Mechanisms of adaptations in pigmentation
- Genes responsible for Mendelian forms of albinism
- Local adaptations at the CYP3A genes
- Re-sequencing survey of the CYP3A gene cluster
- CYP3A5*1/*3 in the HapMap data
- CYP3A variation and sodium retention
- Human genome diversity panel
- Salt sensitivity variants frequency
- Human migrations out of Africa
- Variants affect Na homeostasis vs. random ones
- Hypertension variants are correlated with latitude
- Summary
Topics Covered
- Changes in habit and life style during human evolution
- Evolutionary dynamics of neutral and advantageous mutations
- Signature of natural selection on patterns of variation linked to an advantageous variant
- Distinguishing between demography and natural selection
- Duffy blood group locus
- Lactase persistence
- Skin pigmentation
- Salt sensitivity variants and hypertension
Talk Citation
Di Rienzo, A. (2007, October 1). The signature of local adaptations in human polymorphism data [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved November 21, 2024, from https://doi.org/10.69645/XWRY9314.Export Citation (RIS)
Publication History
Financial Disclosures
- Dr. Anna Di Rienzo has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.