Phylogeography of trapdoor spiders of the genus aname: Using genes and genomes to reveal biogeographic and evolutionary history

Karl Frederick Gruber Gonzalez

doi:10.4225/23/5abae80d2e605

Phylogeography of trapdoor spiders of the genus aname: Using genes and genomes to reveal biogeographic and evolutionary history

Karl Frederick Gruber Gonzalez

School of Biological Sciences

Research output: Thesis › Doctoral Thesis

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Abstract

Past climatic and geological events significantly influenced the diversity and distribution of modern taxa. Here I aimed to understand what processes shaped species diversity in Western Australia (WA) over the past 12 MY. Focusing on trapdoor spiders (Mygalomorphae: Nemesiidae: Aname) I found various lineages that experienced multiple distributional shifts between arid and mesic bioregions. Within Aname I identified one species, Aname mellosa, which exhibited contrasting phylogenetic patterns between mitochondrial and nuclear genes. In-depth analyses using RADseq data identified two genetically divergent lineages within this species, with independent biogeographic origins, hinting at the complex evolutionary history followed by this group.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Didham, Raphael, Supervisor Huey, Joel, Supervisor Harvey, Mark, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	19 Feb 2018
DOIs	https://doi.org/10.4225/23/5abae80d2e605
Publication status	Unpublished - 2018

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Gruber Gonzalez, K. F. (2018). Phylogeography of trapdoor spiders of the genus aname: Using genes and genomes to reveal biogeographic and evolutionary history. https://doi.org/10.4225/23/5abae80d2e605

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AB - Past climatic and geological events significantly influenced the diversity and distribution of modern taxa. Here I aimed to understand what processes shaped species diversity in Western Australia (WA) over the past 12 MY. Focusing on trapdoor spiders (Mygalomorphae: Nemesiidae: Aname) I found various lineages that experienced multiple distributional shifts between arid and mesic bioregions. Within Aname I identified one species, Aname mellosa, which exhibited contrasting phylogenetic patterns between mitochondrial and nuclear genes. In-depth analyses using RADseq data identified two genetically divergent lineages within this species, with independent biogeographic origins, hinting at the complex evolutionary history followed by this group.

KW - Phylogeography

KW - phylogenetics

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10.4225/23/5abae80d2e605

THESIS - DOCTOR OF PHILOSOPHY - GRUBER GONZALEZ, Karl Frederick - 2018
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