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.
Results
Showing 1 to 20 of 45 for “"phylogenomics"”.
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Phylogenomics of Psocodea
DSpace SAF Submission Ingestion Package generated from Vireo submission #16435 on 2021-09-16 at 20:11:29
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Phylogenomics of vertebrate serpins
The serpins constitute a superfamily of proteins that fold into a conserved tertiary structure and employ a sophisticated, irreversible suicide-mechanism of inhibition. More than 6000 serpins have been identified, occurring in all three forms of the life - the eukaryotes, the prokaryotes and the …
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TAXONOMY AND PHYLOGENOMICS OF CHRYSOBALANACEAE
… supported, hindering interpretation of results. Phylogenomics, using complete genomes, provided better results with more robust support for clades and uncovered novel relationships among genera. Here I outline the taxonomic history of the family and trace the journey from major taxonomic …
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Big Data Phylogenomics: Methods and Applications
Phylogenomics, the study of genome-scale data containing many genes and species, has advanced our understanding of patterns of evolutionary relationships and processes throughout the Tree of Life. Recent research studies frequently use such large-scale datasets with the expectation of recovering …
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Genomics, Metagenomics and Phylogenomics of Cyanobacteria
… thesis concerns the genomics, metagenomics and phylogenomics of Cyanobacteria. It is composed of five main parts, of which four are result manuscripts. In the first part (i.e., Introduction), I review a decade of cyanobacterial phylogeny and molecular dating. I show that, in spite of a …
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Viral metagenomics and phylogenomics for One Health
… how the integration of viral metagenomics and phylogenomics in One Health is essential to answer fundamental questions about the diversity of viruses and how they spread and evolve. Furthermore, the methods and protocols developed in these studies can be applied to similar cases, allowing a …
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Developing and applying supertree methods in Phylogenomics and Macroevolution
Supertrees can be used to combine partially overalapping trees and generate more inclusive phylogenies. It has been proposed that Maximum Likelihood (ML) supertrees method (SM) could be developed using an exponential probability distribution to model errors in the input trees (given a proposed …
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Efficient and scalable algorithms for phylogenomics and overlapping communities
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms
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Statistical estimation problems in phylogenomics and applications in microbial ecology
With the growing awareness of the potential for microbial communities to play a role in human health, environmental remediation and other important processes, the challenge of understanding such a complex population through the lens of high-throughput sequencing output has risen to the fore. For a …
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Macroevolution and phylogenomics in the adaptive radiation of Heliconiini butterflies
The recognition of ecological speciation and hybridisation as key components of speciation has led to a major shift in evolutionary biology over the last decade. The mimetic Heliconius butterflies of the Neotropics have served as a prominent example of both, although the vast majority of studies …
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Phylogenomics and Geometric Morphometrics Define Species Flocks of Snowtrout (Teleostei: Schizothorax) in the Central Himalayas
<p>Schizothorax (Snowtrout) is a genus of medium-sized minnows (Cypriniformes) inhabiting glacier-fed streams, rivers, and lakes in the Himalayas. There are more than 30 species of Schizothorax across the region. The speciation and diversity of the Snowtrout in the vast hinterlands of the Himalayan …
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Network Analysis and Comparative Phylogenomics of MicroRNAs and their Respective Messenger RNA Targets Using Twelve Drosophila species
MicroRNAs represent a special class of small (~21–25 nucleotides) non-coding RNA molecules which exert powerful post-transcriptional control over gene expression in eukaryotes. Indeed microRNAs likely represent the most abundant class of regulators in animal gene regulatory networks. This study …
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Next generation sequencing technology and phylogenomics enhance the resolution of deep node phylogenies: A study of the Protostomia
This magnum opus concerns the generation of genomic level data, through next generation sequencing technologies, and the application of these new molecular libraries to various aspects of protostome evolution. In Chapter 1 I introduce the most important contribution to the field of evolution: …
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Host-Microbe Relations: A Phylogenomics-Driven Bioinformatic Approach to the Characterization of Microbial DNA from Heterogeneous Sequence Data
Plants and animals are characterized by intimate, enduring, often indispensable, and always complex associations with microbes. Therefore, it should come as no surprise that when the genome of a eukaryote is sequenced, a medley of bacterial sequences are produced as well. These sequences can be …
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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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A tale of two clades: genome evolution of oomycetes and fungi.
… of molecular evolution, comparative genomics, phylogenomics and pangenomics research for two similar, but evolutionarily-distinct groups of important microscopic eukaryotes.
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Phylogenomic supertrees: integration of maximal data and assessment of input tree shape.
… rapidly diminishing as a problem in the field of phylogenomics, there is now a greater need for an appropriate means of analysing such data. Supertrees have emerged as a useful approach in handling large data sets and have been shown to work extremely well in a phylogenomic context (e.g. Creevey …
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Theory and Evolutionary Evidence of the Autocatalytic Oxygenation of Earth’s Surface Environment
… the oxygenase family. The methods of molecular phylogenomics are applied to reconstruct the evolutionary history of a representative oxygenase family; the results support such a relevance. Finally, this thesis constructs a mathematical model of Earth’s oxygen and carbon cycles and explores the …
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Integrative Genomic Approaches for Plant Trait Discovery, Fungal Pathogen Identification and Taxonomy
… to assemble 17 high-quality genomes. Comparative phylogenomics and pangenome analyses indicated that U.S. isolates form a distinct cluster relative to Ceratobasidium theobromae and revealed gene-content differences, including candidate effectors and secondary metabolite gene clusters, which may …
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Exploring the Evolution of Pathogenicity in a Mult-host Bacterial Pathogen Using Comparative Genomics
… P. septica lineage, and the Erwiniaceae using phylogenomics. From over 100 strains, a 308 core protein dataset was used to perform a phylogenetic analysis. Genomes of all strains were used to conduct average nucleotide identity and average amino acid identity analyses. The phylogenetic analysis …
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