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Annotation: Mating type A locus. The mating type loci of higher basidiomycetes pra1mfa1 mfa2pra2 MAT-1 MAT-2 HD1-1HD2-1 HD1-2 HD2-2 B locus A locus Casselton.

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Presentation on theme: "Annotation: Mating type A locus. The mating type loci of higher basidiomycetes pra1mfa1 mfa2pra2 MAT-1 MAT-2 HD1-1HD2-1 HD1-2 HD2-2 B locus A locus Casselton."— Presentation transcript:

1 Annotation: Mating type A locus

2 The mating type loci of higher basidiomycetes pra1mfa1 mfa2pra2 MAT-1 MAT-2 HD1-1HD2-1 HD1-2 HD2-2 B locus A locus Casselton and Kues, review

3 Coprinopsis cinerea Coprinopsis scobicola Coprinellus disseminatus Pholiota nameko Schizophyllum commune Laccaria bicolor Pleurotus djamor Phanerochaete chrysosporium Cryptococcus neoformans Ustilago maydis Ustilago hordei Microbotryum violaceum Neurospora crassa Saccharomyces cerevisiae Pneumocystis carinii Ascomycota Urediniomycetes/rusts Ustilaginomycetes/smuts Homobasidiomycetes Agaricales Basidiomycota from James TY Species Phylogeny

4 Evolution of the A mating type locus P. chrysosporium adepabmipx S. commune 50 kb mip -fg pab ade T.Y. James, U. Kües P. djamor 39 kb mip -fg C. disseminatus pab mip 32 kb -fg C. scobicola pab mip -fg 39 kb pab mip -fg 40 kb99 kb ade C. cinerea A A A

5 55kb 175kb 5kb specificconserved 13kb Evolution of the A mating type locus A A A A

6 A mating type locus in Laccaria bicolor 55kb 175kb 5kb specificconserved 13kb A A A A

7 55kb 175kb 5kb specificconserved 13kb A A mating type locus in Laccaria bicolor FMNOR1 translocated

8 55kb 175kb 5kb specificconserved 13kb A A mating type locus in Laccaria bicolor

9 B mating type locus in Laccaria bicolor Demo ChromoMapper L.bicolor

10 B mating type locus in Laccaria bicolor

11 Known mating pheromone response pathway cdc25 Ste6 Gpa1 β γ GDP Receptor GTP Pheromone Gpa1 β γ HMG P P P P Ras1 MAPKKK P MAPKK P MAPK ACTIVATION cdc24 Ras1 P Cdc42 P Ste20 MORPHOLOGY Nucleus Cytoplasm Plasma Membrane HMG P MAPK P P pheromone receptor mating type hmg-box genes Receptor Mating Response Genes Conserved between ascomycetes and basidiomycetes

12 Conclusion The genomic region surrounding - the A locus is conserved on 170kb - the B locus is not conserved between fungi Pheromone and receptor coding gene duplication were detected in 7 other scaffolds

13 Acknowledgements Francis Martin Ursula Kües Alexandre Hirzel Ian Sanders

14 P. chrysosporium adepabmipx S. commune 50 kb mip -fg pab ade T.Y. James, U. Kües P. djamor pab mip -fg 39 kb99 kb ade L. bicolor 39 kb mip -fg C. disseminatus pab mip 32 kb -fg C. scobicola pab mip -fg 39 kb pab mip -fg 40 kb99 kb ade C. cinerea A mating type locus in Laccaria bicolor


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