Complex evolution of mitochondrial genomes: lessons from salamanders
This dissertation research on genome evolution focuses on understanding the mechanisms that drive the evolution of mitochondrial genome size, content, and organization in animals. This research uses a combination of empirical and computational approaches to examine the evolution of mitochondrial genomes in vertebrates, focusing on salamanders as an exemplar clade. Chapter One analyzes mitochondrial genome sequences of vertebrate lineages that differ in metabolic rates. Salamanders, which have the lowest metabolic requirements among tetrapods, experience weaker purifying selection on protein-coding ...
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