Graduate Theses & Dissertations

Exonic Trinucleotide Microsatellites
Trinucleotide repeats (TNRs) are a class of highly polymorphic microsatellites which occur in neutral and non-neutral loci and may provide utility for individual- and population-identification. Exonic trinucleotide motifs, in particular, offer additional advantages for non-human species that typically utilize dinucleotide microsatellite loci. Specifically, the reduction of technical artifacts, greater separation of alleles and greater specificity of amplification products leading to more efficient multiplexing and cross-taxa utilization. This study aims to identify and characterize polymorphic trinucleotide repeats and conserved primer sequences which are conserved across Cervidae (deer) species and their potential for individual identification in forensic wildlife investigations. Chapter one provides a broad introduction to trinucleotide microsatellites, chapter two deals with data-mining TNRs and chapter three applies the identified TNRs as genetic markers for individual identification. Results demonstrate proof-of-concept that exonic TNRs are capable of giving random match probabilities low enough to be employed in individual identification of evidentiary samples. Author Keywords: DNA typing, Exons, Genetic Markers, Individual Identification, Trinucleotide, Wildlife Forensics

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