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Email graham.wallis@otago.ac.nz

Phone 64-3-479-7980

Professor Graham Wallis

Research interests

  • Population genetics
  • Molecular evolution
  • Molecular systematics and biogeography of endemic species
  • Genetics of hybrid zones

Current projects

  • Adaptive evolution of a zona pellucida-region gene in galaxiid fishes
  • The evolution of melanism in NZ alpine weta, Hemideina maori
  • Phylogeography of NZ endemic fishes and insects
  • Genetic analysis of hybridisation in European newts

Galaxiid-and-Weta

Current/recent postdocs

  • Lise Wallis Comparative transcriptomics of migratory and stream-resident galaxiid fishes (Marsden-funded)
  • Smita Apte Phylogeography and population genetic structuring of koura (Paranephrops spp.) (FoRST-funded)
  • Jon Waters Molecular systematics of New Zealand galaxiid fish: speciation and biogeography (Marsden-funded)
  • Steven Trewick New Zealand phylogeography: evidence from spatio-temporal congruence of invertebrate endemism and diversity (FoRST-funded)
  • Mary Morgan-Richards Speciation, intergradation or hybrid zones? Comparing contact zones between chromosomal races of the Auckland tree weta (Hemideina thoracica) (Marsden-funded)

Current/recent graduate students

  • Keith King (PhD): Phylogeography and the evolution of melanism in the alpine weta, Hemideina maori
  • David Winter (PhD): Phylogeography of Pacific landsnails
  • Graham McCulloch (PhD): Evolutionary genetics of southern stoneflies
  • Shan Crow (PhD): Evolutionary ecology of southern galaxiid fishes
  • Renate Sponer (PhD): World-wide phylogeography of the brooding brittle star Amphipholis squamata
  • Yuzine bin Esa (MSc): Genetic analysis of hybridisation in New Zealand galaxiid fish
  • Debbie Steel (MSc): Population genetics of the sea snake star Astrobrachion constrictum in Fiordland

Other links

Keywords

  • evolutionary genetics, systematics, hybridisation, phylogeography

Publications

Wallis, G. P., & Jorge, F. (2018). Going under down under? Lineage ages argue for extensive survival of the Oligocene marine transgression on Zealandia. Molecular Ecology, 27(22), 4368-4396. doi: 10.1111/mec.14875

Wallis, G. P., Cameron-Christie, S. R., Kennedy, H. L., Palmer, G., Sanders, T. R., & Winter, D. J. (2017). Interspecific hybridization causes long-term phylogenetic discordance between nuclear and mitochondrial genomes in freshwater fishes. Molecular Ecology, 26(12), 3116-3127. doi: 10.1111/mec.14096

Wallis, G. P., Waters, J. M., Upton, P., & Craw, D. (2016). Transverse alpine speciation driven by glaciation. Trends in Ecology & Evolution, 31(12), 916-926. doi: 10.1016/j.tree.2016.08.009

Wallis, L. J., & Wallis, G. P. (2011). Extreme positive selection on a new highly-expressed larval glycoprotein (LGP) gene in Galaxias fishes (Osmeriformes: Galaxiidae). Molecular Biology & Evolution, 28(1), 399-406. doi: 10.1093/molbev/msq208

Waters, J. M., Rowe, D. L., Burridge, C. P., & Wallis, G. P. (2010). Gene trees versus species trees: Reassessing life-history evolution in a freshwater fish radiation. Systematic Biology, 59(5), 504-517. doi: 10.1093/sysbio/syq031

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