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ACEBB Seminar on Winkles and the Origin of Species
- 1. ACEBB Seminar Series Winkles and the origin of species Professor Roger Butlin
- 5. Winkles and the origin of species Roger Butlin The University of Sheffield
- 7. Ernst Haeckel 1866 Ernst Haeckel 1906
- 8. Barton et al. 2007
- 10. Species 1 Space Species 2 Time
- 11. Species 1 Species 2
- 12. Species 1 Species 2 Chorthippusparallelus
- 13. Species 1 Bombinavariegata Species 2 Bombinabombina
- 14. Drosophila simulans Species 1 Species 2 Jones lab
- 15. Species 1 Wu 2001 Species 2
- 16. Species 1 What initiates the evolution of reproductive isolation? What completes the evolution of reproductive isolation? What drives the increase in reproductive isolation? Species 2
- 17. Butlin et al. 2008
- 18. Littorinasaxatilis ‘H’ ‘M’ Thornwick Bay
- 19. Independentgradients in Spain and Sweden E (exposed) S (sheltered) Kerstin Johannesson, Göteborg University SU RB Emilio Rolan-AlvarezUniversity of Vigo LOWER MID UPPER Roger Butlin
- 20. Scale dependent!
- 21. Sympatric and parallel or allopatric and interdependent? Quesada et al. 2007Evolution
- 22. Old Peak H Thornwick Bay H Filey H 87 99 Robin Hood’s Bay 2 90 Thornwick Bay M 76 Robin Hood’s Bay 1 88 Old Peak M Filey M 0.01 290 AFLP loci
- 23. Wilding et al. 2001
- 24. Old Peak H Thornwick Bay M Filey H Thornwick Bay H Filey H Filey M 87 Old Peak H 73 99 99 67 Thornwick Bay H 99 Robin Hood’s Bay 2 81 Robin Hood’s Bay 2 90 Thornwick Bay M 76 Robin Hood’s Bay 1 88 Robin Hood’s Bay 1 Old Peak M Old Peak M 0.01 Filey M 0.01 All loci 15 ‘selected’ loci removed
- 25. Sympatric and parallel or allopatric and interdependent? All SS have haplotype 1regardless of locality! Petri Kempainnen thesis
- 26. BAC library Not differentiated, control (A30) Weakly differentiated (A37) Differentiated (E12) Most differentiated (E10) ‘H’ ‘M’ Littorinasaxatilis Wilding et al 2001 Grahame et al 2006
- 27. Predicted gene AFLP Region sequenced A B C D
- 28. 5.3 * 3.0 4.3 * 0 11.8 6.9 * 6.2 4.2 * 6.0 kb FST=0.00 FST=0.12 FST=0.32 FST=0.54
- 29. Similar to tetraspanin 3A of Drosophila Conserved protein of unknown function AFLP E10L0 E10L1 120kb 130kb 140kb
- 30. Pea aphid host races on clover and alfalfaVia and West (2008)
- 31. 454 – based genome scan - 15 individuals / sample - RNA extraction (whole body) H M Juan Galindo
- 32. Divergent SNPs
- 33. 2454 SNPs in 572 contigs 510 SNPs in 197 contigs Outlier (P<0.05 by simulation with ‘Winkle454’) Significant after SGoF correction (http://webs.uvigo.es/acraaj/SGoF.htm) Significant after Benjamini-Hochberg correction *
- 37. Some interesting proteins…Shell formation Lithostatine Mucin Dermatopontin Muscle physiology Myosin Titin Energetic metabolism Argininekinase NADH dehydrogenase
- 39. Thanks! John Grahame, Craig Wilding, Henry Wood and Juan Galindo – Littorina NERC and BBSRC – cash This sketch is most imperfect; but in so short a space I cannot make it better. Your imagination must fill up very wide blanks. Darwin, 1858
- 40. Next seminar A system for establishing TERN in Australia Associate Professor Jean-Marc Hero