Demographic and selective inference in great apes

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Abstract/Contents

Abstract
Humans and other great apes have intricate evolutionary histories, shaped by numerous demographic and selective events. A wealth of new genomic data provides the foundation for key insights into some of this complexity. This thesis develops tools for population genetic analyses, provides genome-wide insights into gorilla population genetics, and delivers fine-scale understanding of a specific human disease resistance allele. The chapters of this thesis provide complementary genome-wide and localized insights into great ape evolutionary history. Chapter 2 details a genetic simulation software that generates large-scale genetic data in flexible scenarios. Chapter 3 describes a study on the demographic and selective history of gorillas; we find a significant population contraction during the last glacial maximum (20 kya) in western lowland gorillas and evidence of positive selection in genes related to heart function and bitter taste perception. Chapter 4 is an in-depth analysis of one of the most population differentiated loci in the human genome, the DARC gene, which is known to provide resistance to a malaria-causing protozoan. We explore this gene's population genetics, including its geographical distribution and signatures of natural selection, as well as infer the mode and magnitude of selection on the malaria resistance allele. These chapters emphasize the importance of population genetics at various scales. Genome-wide methods allow identification of global trends, while in-depth analyses of specific loci provide insights into specific events and selective pressures shaping our genomes, and complement our large-scale inferences. This dissertation develops generalizable methods, achieves novel biological insights, and broadens our understanding of great ape evolutionary history.

Description

Type of resource text
Form electronic; electronic resource; remote
Extent 1 online resource.
Publication date 2015
Issuance monographic
Language English

Creators/Contributors

Associated with McManus, Kimberly
Associated with Stanford University, Department of Biology.
Primary advisor Bustamante, Carlos
Thesis advisor Bustamante, Carlos
Thesis advisor Montgomery, Stephen, 1979-
Thesis advisor Petrov, Dmitri Alex, 1969-
Thesis advisor Pritchard, Jonathan D
Advisor Montgomery, Stephen, 1979-
Advisor Petrov, Dmitri Alex, 1969-
Advisor Pritchard, Jonathan D

Subjects

Genre Theses

Bibliographic information

Statement of responsibility Kimberly McManus.
Note Submitted to the Department of Biology.
Thesis Thesis (Ph.D.)--Stanford University, 2015.
Location electronic resource

Access conditions

Copyright
© 2015 by Kimberly Faith McManus
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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