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1. Introduction
2. Contents
3. Multigene family (1)
4. Multigene family (2)
5. Color vision genes
6. Red/ green-pigment gene duplication
7. Color vision genes in New World Monkeys
8. Full trichromatic vision in primates
9. Evolutionary models for multigene families
10. Olfactory receptors (1)
11. Olfactory receptors (2)
12. OR gene expression
13. Features of ORs
14. The olfactory system uses combinatorial coding
15. OR genes in humans
16. OR genes in the human genome
17. Distribution of OR genes in human chromosomes
18. Evolutionarily closely related genes
19. Organization of OR genomic clusters
20. Summary of the observations
21. Comparison of OR genes: humans vs. mice (1)
22. Comparison of OR genes: humans vs. mice (2)
23. Comparison of OR genomic clusters
24. Chromosomes translocation occurred in mouse
25. The mouse cluster is usually larger
26. Less functional OR human genes (1)
27. Less functional OR human genes (2)
28. Gene duplications after human-mouse divergence
29. Phylogenetic tree of the entire set of OR genes
30. No. of inactivated functional genes in the MRCA
31. Estimated number of functional genes
32. Evolution of OR genes in vertebrates (1)
33. Evolution of OR genes in vertebrates (2)
34. Number of OR genes in six species
35. Phylogenetic tree from 5 species
36. Condensed tree (70% level) for 310 OR genes
37. Number of functional OR genes in different groups
38. Evolutionary dynamics of vertebrate OR genes
39. Summary
40. Other chemosensory receptor genes
41. Receptors for chemosensation
42. Vomeronasal receptors
43. Taste receptors
44. No. of chemosensory receptor genes in vertebrates
45. Conclusions
46. Thank you

Topics Covered

• Multigene family
• Olfactory Receptors (ORs)
• OR genes in humans
• Comparison of OR genes between humans and mice
• Evolution of OR genes in vertebrates
• Other chemosensory receptor genes

Links

Series:

• Human Population Genetics I

Categories:

• Genetics & Epigenetics

Talk Citation

Niimura, Y. and Nei, M. (2007, October 1). Major gene families in humans and their evolutionary history [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved December 3, 2024, from https://doi.org/10.69645/IHBX3393.
Export Citation (RIS)

Publication History

• Published on October 1, 2007
• Archived on February 25, 2021

Financial Disclosures

• Prof. Yoshihito Niimura has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.
• Prof. Masatoshi Nei has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.