Graduate Theses & Dissertations

De novo transcriptome assembly, functional annotation, and SNP discovery in North American flying squirrels (genus Glaucomys)
Introgressive hybridization between northern (Glaucomys sabrinus) and southern flying squirrels (G. volans) has been observed in some areas of Canada and the USA. However, existing molecular markers lack the resolution to discriminate late-generation introgressants and describe the extent to which hybridization influences the Glaucomys gene pool. I report the first North American flying squirrel (genus Glaucomys) functionally annotated de novo transcriptome assembly with a set of 146,621 high-quality, annotated putative species-diagnostic SNP markers. RNA-sequences were obtained from two northern flying squirrels and two southern flying squirrels sampled from Ontario, Canada. I reconstructed 702,228 Glaucomys transcripts using 193,323,120 sequence read-pairs, and captured sequence homologies, protein domains, and gene function classifications. These genomic resources can be used to increase the resolution of molecular techniques used to examine the dynamics of the Glaucomys hybrid zone. Author Keywords: annotation, de novo transcriptome, flying squirrels, high-throughput sequencing, hybridization, single nucleotide polymorphisms

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