Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 15 of 15 for “"phylogenomic analysis"”.
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Novel computational methods for discordance-aware phylogenomic analysis
… availability of genome-scale data, and today phylogenomics projects construct species trees using hundreds to thousands of loci, potentially whole genomes. However, species tree estimation from multi-locus datasets presents several statistical and computational challenges, as most problems in …
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Phylogenomic analysis of hemimetabolan insects with emphasis on the hemipteran suborder Auchenorrhyncha and the superorder Paraneoptera
… analyses of many insect groups. These phylogenomic data sets were anticipated to resolve the remaining questions concerning insect relationships in the tree of life, although the reality has been more complicated. As data sets have increased in size, so too have the potential sources of …
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Systematics of the Australian members of bee fly subfamily Bombyliinae and molecular phylogeny of the superfamily Asiloidea using anchored hybrid enrichment and transcriptome data
… past few decades have been based on quantitative analysis of morphological (Yeates, 1994) and molecular data (Trautwein et al., 2011), however, not many subfamily relationships were strongly supported. In this thesis, two phylogenomic analysis were performed focusing on the phylogenetic position …
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Systematics of the Australian members of bee fly subfamily Bombyliinae and molecular phylogeny of the superfamily Asiloidea using anchored hybrid enrichment and transcriptome data
… past few decades have been based on quantitative analysis of morphological (Yeates, 1994) and molecular data (Trautwein et al., 2011), however, not many subfamily relationships were strongly supported. In this thesis, two phylogenomic analysis were performed focusing on the phylogenetic position …
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Rates of Molecular Evolution and Phylogenomic Inference
… data. One aspect of genomic research is the analysis of variation in rate of evolution, both across a genome and between the genomes of species. In this study we explore the relationship between different types of rate heterogeneity. We develop several statistical methodologies to address …
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UNCOVERING THE EVOLUTION AND DEVELOPMENT OF A NOVEL ABDOMINAL APPENDAGE IN BLACK SCAVENGER FLIES (SEPSIDAE: DIPTERA)
… shape and size across the family. A comparative analysis showed that male sepsids pay for more ornate 4th sternite brushes by reducing their body size and extending pupal development. I then trace the evolution of the 4th sternite brush, using a phylogenomic analysis, and show that it evolved …
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Epidemiology and comparative analysis of Yersinia in Ireland
… pathogenic potential towards humans. Comparative phylogenomic analysis detects predicted coding sequences (CDSs) that define host-pathogen interactions and hence providing insights into molecular evolution of bacterial virulence. Comparative phylogenomic analysis of microarray data generated in Y. …
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Molecular epidemiology of the multidrug-resistant Escherichia coli sequence type 131-H30 lineage among U.S. children
… patient healthcare contact into a temporal phylogenomic analysis revealed that ancestral H30 isolates were more likely to be community-associated than healthcare-associated. Finally, when evaluating the evolutionary dynamics of resistance to trimethoprim-sulfamethoxazole, a commonly used …
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The origin and evolution of the ribosome
… subunit (LSU). Molecular rRNA timelines and phylogenomic analysis of protein structure also show that ancient substructures of the rRNA subunits coevolved with ribosomal proteins at first independently, starting with interactions between the most ancient ribosomal proteins (S12 and S17) and …
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Identification of Receptor Transporting Proteins As Conserved Antiviral Effectors in Vertebrates
… RNA, and suppresses viral genome amplification. Phylogenomic analysis revealed that RTP4 has evolved under positive selection in several mammalian lineages, consistent with a model in which host-virus conflicts have shaped its evolution as a restriction factor not only in bats but across mammals. …
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ULTRASTRUCTURE, IMMUNOCYTOCHEMISTRY, AND BIOINFORMATICS OF SPORE DEVELOPMENT IN THE MOSS PHYSCOMITRELLA AND THE HORNWORT DENDROCEROS
… is a plesiomorphic feature of land plants. Phylogenomic analysis of callose synthases in land plants with sequenced genomes revealed a single moss callose synthase basal in a clade containing the only <italic>Arabidopsis</italic> callose synthase implicated in exine development of pollen …
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Phylogenomics and Geometric Morphometrics Define Species Flocks of Snowtrout (Teleostei: Schizothorax) in the Central Himalayas
… and mitochondrial gene (cytochrome b) sequence analysis (n=115). In Chapter III, machine learning algorithms were evaluated to discriminate morphological species based on head and body shape using Procrustes aligned data generated in Chapter 2. In Chapter IV, a phylogenetic tree of Schizothorax …
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Pseudoscorpion Systematics & Phylogenetics: Exploring the Effects of Accelerated Rates of Evolution on Both Ancient and Recent Diversification
… Chapter 1, I perform the first target-enrichment phylogenomic analysis for the order, using ultraconserved elements (UCEs) to infer evolutionary relationships between chthoniid lineages and estimate divergence times using Bayesian inference and fossil calibrations. In Chapter 2, I zoom in on one …
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The First Insights into the Phylogeny, Genomics, and Ecology of the Novel Bacterial Phylum Armatimonadetes
… homologs in other prokaryotic genomes. The phylogenomic analysis showed Chloroflexi to be the most closely related formal phylum to Armatimonadetes. This publication was the first analysis of a genome from the phylum Armatimonadetes, and provided evolutionarily- and genetically-distinct …