Jack Sullivan
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View article: Optimizing fecal DNA collection and storage techniques for noninvasive genetic sampling of river otters
Optimizing fecal DNA collection and storage techniques for noninvasive genetic sampling of river otters Open
Noninvasive genetic sampling has become a valuable tool in wildlife management, particularly for monitoring elusive and endangered species. Our study compared 2 DNA collection and storage methods (fecal material in dimethyl sulfoxide salin…
View article: Not So Mosaic After All? The Core Genomes of IncP-1 Plasmids Evolve Predominantly Through Vertical Transmission
Not So Mosaic After All? The Core Genomes of IncP-1 Plasmids Evolve Predominantly Through Vertical Transmission Open
Broad-host-range plasmids of the incompatibility group IncP-1 play an important role in bacterial evolution by disseminating genes between diverse bacteria. This includes the notable spread of antibiotic resistance genes to bacterial patho…
View article: Evolution of a Plasmid Regulatory Circuit Ameliorates Plasmid Fitness Cost
Evolution of a Plasmid Regulatory Circuit Ameliorates Plasmid Fitness Cost Open
Plasmids promote adaptation of bacteria by facilitating horizontal transfer of diverse genes, notably those conferring antibiotic resistance. Some plasmids, like those of the incompatibility group IncP-1, are known to replicate and persist…
View article: Comparing microsatellites and single nucleotide polymorphisms to evaluate genetic structure and diversity in wolverines (<i>Gulo gulo</i>) across Alaska and western Canada
Comparing microsatellites and single nucleotide polymorphisms to evaluate genetic structure and diversity in wolverines (<i>Gulo gulo</i>) across Alaska and western Canada Open
The Wolverine (Gulo gulo) is a cold-adapted species of conservation interest because it is sensitive to human development, disturbance, exploitation, and climate warming. Wolverine populations have been studied across much of their distrib…
View article: Hydrodynamical simulations favour a pure deflagration origin of the near-chandrasekhar mass supernova remnant 3C 397
Hydrodynamical simulations favour a pure deflagration origin of the near-chandrasekhar mass supernova remnant 3C 397 Open
Suzaku X-ray observations of the Type Ia supernova remnant (SNR) 3C 397 discovered exceptionally high mass ratios of Mn/Fe, Ni/Fe, and Cr/Fe, consistent with a near MCh progenitor white dwarf (WD). The Suzaku observations have established …
View article: Hydrodynamical simulations favor a pure deflagration origin of the near-Chandrasekhar mass supernova remnant 3C 397
Hydrodynamical simulations favor a pure deflagration origin of the near-Chandrasekhar mass supernova remnant 3C 397 Open
Suzaku X-ray observations of the Type Ia supernova remnant (SNR) 3C 397 discovered exceptionally high mass ratios of Mn/Fe, Ni/Fe, and Cr/Fe, consistent with a near $M_{\rm Ch}$ progenitor white dwarf (WD). The Suzaku observations have est…
View article: A Modal Decomposition Method for Non-Stationary Phenomena:Application to Evolving Shock Trains
A Modal Decomposition Method for Non-Stationary Phenomena:Application to Evolving Shock Trains Open
View article: Reduced representation approaches produce similar results to whole genome sequencing for some common phylogeographic analyses
Reduced representation approaches produce similar results to whole genome sequencing for some common phylogeographic analyses Open
When designing phylogeographic investigations researchers can choose to collect many different types of molecular markers, including mitochondrial genes or genomes, SNPs from reduced representation protocols, large sequence capture data se…
View article: Range‐wide evolutionary relationships and historical demography of brown bears (<i>Ursus arctos</i>) revealed by whole‐genome sequencing of isolated central Asian populations
Range‐wide evolutionary relationships and historical demography of brown bears (<i>Ursus arctos</i>) revealed by whole‐genome sequencing of isolated central Asian populations Open
Phylogeographic studies uncover hidden pathways of divergence and inform conservation. Brown bears ( Ursus arctos ) have one of the broadest distributions of all land mammals, ranging from Eurasia to North America, and are an important mod…
View article: Organizational Cybersecurity Post The Pandemic: An Exploration of Remote Working Risks and Mitigation Strategies
Organizational Cybersecurity Post The Pandemic: An Exploration of Remote Working Risks and Mitigation Strategies Open
The Covid-19 pandemic has forced organisations to embrace the largest remote workforce in history, yet this upheaval also brought an increasing number of cyber vulnerabilities to the fore. Organisations must remain committed to not leaving…
View article: Data from Comparative Phylogeography of Leaf-litter dwelling invertebrates from the Pacific Northwest
Data from Comparative Phylogeography of Leaf-litter dwelling invertebrates from the Pacific Northwest Open
Images from leaf litter invertebrates from the Pacific Northwest of North America.
View article: Whole Genome SNPs dataset and mtDNA sequences from Asian brown bears.
Whole Genome SNPs dataset and mtDNA sequences from Asian brown bears. Open
Our analyses revealed 5 major lineages of brown bears based on a filtered set of 684,081 single nucleotide polymorphisms from whole genome sequencing. We found distinct evolutionary lineages of brown bears in the Gobi, Himalayas, Northern …
View article: Data from Comparative Phylogeography of Microsnails from the Pacific Northwest
Data from Comparative Phylogeography of Microsnails from the Pacific Northwest Open
Images from leaf litter invertebrates from the Pacific Northwest of North America.
View article: Comprehensive Phylogenomics of <i>Methylobacterium</i> Reveals Four Evolutionary Distinct Groups and Underappreciated Phyllosphere Diversity
Comprehensive Phylogenomics of <i>Methylobacterium</i> Reveals Four Evolutionary Distinct Groups and Underappreciated Phyllosphere Diversity Open
Methylobacterium is a group of methylotrophic microbes associated with soil, fresh water, and particularly the phyllosphere, the aerial part of plants that has been well studied in terms of physiology but whose evolutionary history and tax…
View article: Genomic resolution of cryptic species diversity in chipmunks
Genomic resolution of cryptic species diversity in chipmunks Open
Discovery of cryptic species is essential to understand the process of speciation and assessing the impacts of anthropogenic stressors. Here, we used genomic data to test for cryptic species diversity within an ecologically well-known radi…
View article: Genomic evidence of an ancient inland temperate rainforest in the Pacific Northwest of North America
Genomic evidence of an ancient inland temperate rainforest in the Pacific Northwest of North America Open
The disjunct temperate rainforests of the Pacific Northwest of North America (PNW) are characterized by late‐successional dominant tree species Thuja plicata (western redcedar) and Tsuga heterophylla (western hemlock). The demographic hist…
View article: Comprehensive phylogenomics of <i>Methylobacterium</i> reveals four evolutionary distinct groups and underappreciated phyllosphere diversity
Comprehensive phylogenomics of <i>Methylobacterium</i> reveals four evolutionary distinct groups and underappreciated phyllosphere diversity Open
Methylobacterium is a group of methylotrophic microbes associated with soil, fresh water, and particularly the phyllosphere, the aerial part of plants that has been well-studied in terms of physiology but whose evolutionary history and tax…
View article: Genomic resolution of cryptic species diversity in chipmunks
Genomic resolution of cryptic species diversity in chipmunks Open
Discovery of cryptic species is essential to understanding the process of speciation and assessing the impacts of anthropogenic stressors. Here, we used genomic data to test for cryptic species diversity within an ecologically well-known r…
View article: Fine-Scale Adaptations to Environmental Variation and Growth Strategies Drive Phyllosphere <i>Methylobacterium</i> Diversity
Fine-Scale Adaptations to Environmental Variation and Growth Strategies Drive Phyllosphere <i>Methylobacterium</i> Diversity Open
Methylobacterium is a bacterial group tied to plants. Despite the ubiquity of methylobacteria and the importance to their hosts, little is known about the processes driving Methylobacterium community dynamics.
View article: Genomic evidence of an ancient Inland Temperate Rainforest
Genomic evidence of an ancient Inland Temperate Rainforest Open
The disjunct temperate rainforests of the Pacific Northwest of North America (PNW) are characterized by late-successional dominant tree species western redcedar (Thuja plicata) and western hemlock (Tsuga heterophylla). The demographics of …
View article: Fine-Scale Adaptations to Environmental Variation and Growth Strategies Drive Phyllosphere <i>Methylobacterium</i> Diversity
Fine-Scale Adaptations to Environmental Variation and Growth Strategies Drive Phyllosphere <i>Methylobacterium</i> Diversity Open
Methylobacterium is a prevalent bacterial genus of the phyllosphere. Despite its ubiquity, little is known about the extent to which its diversity reflects neutral processes like migration and drift, versus environmental filtering of life …
View article: Genomic Resources for the North American Water Vole (Microtus richardsoni) and the Montane Vole (Microtus montanus)
Genomic Resources for the North American Water Vole (Microtus richardsoni) and the Montane Vole (Microtus montanus) Open
Voles of the genus Microtus are important research organisms, yet genomic resources are lacking. Such resources would benefit future studies of immunology, phylogeography, cryptic diversity, and more. We sequenced and assembled nuclear gen…
View article: Genomic resources for the North American water vole (<i>Microtus richardsoni</i>) and the montane vole (<i>Microtus montanus</i>)
Genomic resources for the North American water vole (<i>Microtus richardsoni</i>) and the montane vole (<i>Microtus montanus</i>) Open
Background Voles of the genus Microtus are important research organisms, yet genomic resources in the genus are lacking. Providing such resources would benefit future studies of immunology, phylogeography, cryptic diversity, and more. Find…
View article: Comparative phylogeography of two Northern Rocky Mountain endemics: the widespread Anguispira kochi occidentalis and the narrow-range Anguispira nimapuna (Gastropoda: Discidae)
Comparative phylogeography of two Northern Rocky Mountain endemics: the widespread Anguispira kochi occidentalis and the narrow-range Anguispira nimapuna (Gastropoda: Discidae) Open
The Northern Rocky Mountain ecosystem supports rich biological diversity with many endemic and rare species. Extant endemics display two biogeographic patterns: widespread species with fragmented populations, and narrow-range endemics. The…
View article: Diversification, Introgression, and Rampant Cytonuclear Discordance in Rocky Mountains Chipmunks (Sciuridae: <i>Tamias</i>)
Diversification, Introgression, and Rampant Cytonuclear Discordance in Rocky Mountains Chipmunks (Sciuridae: <i>Tamias</i>) Open
Evidence from natural systems suggests that hybridization between animal species is more common than traditionally thought, but the overall contribution of introgression to standing genetic variation within species remains unclear for most…
View article: Carnivore Contact: A Species Fracture Zone Delineated Amongst Genetically Structured North American Marten Populations (Martes americana and Martes caurina)
Carnivore Contact: A Species Fracture Zone Delineated Amongst Genetically Structured North American Marten Populations (Martes americana and Martes caurina) Open
North American martens are forest dependent, influenced by human activity, and climate vulnerable. They have long been managed and harvested throughout their range as the American marten (Martes americana). Recent work has expanded …
View article: No evidence for phylosymbiosis in western chipmunk species
No evidence for phylosymbiosis in western chipmunk species Open
Phylosymbiosis refers to a congruent pattern between the similarity of microbiomes of different species and the branching pattern of the host phylogeny. Phylosymbiosis has been detected in a variety of vertebrate and invertebrate hosts, bu…
View article: TripAware
TripAware Open
To combat climate change, we need to change user transportation behavior to be less carbon intensive. Prior work on motivating this behavior change has been predominantly qualitative and lacks comparison. This makes it challenging to deter…
View article: Phylogeography, genetic diversity, and connectivity of brown bear populations in Central Asia
Phylogeography, genetic diversity, and connectivity of brown bear populations in Central Asia Open
Knowledge of genetic diversity and population structure is critical for conservation and management planning at the population level within a species' range. Many brown bear populations in Central Asia are small and geographically isolated…
View article: The choice of tree prior and molecular clock does not substantially affect phylogenetic inferences of diversification rates
The choice of tree prior and molecular clock does not substantially affect phylogenetic inferences of diversification rates Open
Comparative methods allow researchers to make inferences about evolutionary processes and patterns from phylogenetic trees. In Bayesian phylogenetics, estimating a phylogeny requires specifying priors on parameters characterizing the branc…