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Articles 121 - 144 of 144
Full-Text Articles in Systems Biology
Evaluating Forensic Dna Evidence - A Day-Long Workshop, Dan E. Krane, William C. Thompson
Evaluating Forensic Dna Evidence - A Day-Long Workshop, Dan E. Krane, William C. Thompson
Biological Sciences Faculty Publications
No abstract provided.
Keeping Insects At Bay: Beyond Deet, Thomas P. Rooney
Keeping Insects At Bay: Beyond Deet, Thomas P. Rooney
Biological Sciences Faculty Publications
No abstract provided.
Comparison Of C. Elegans And C. Briggsae Genome Sequences Reveals Extensive Conservation Of Chromosome Organization And Synteny, Ladeana W. Hiller, Raymond D. Miller, Scott Everet Baird, Asif Chinwalla, Lucinda A. Fulton, Daniel C. Koboldt, Robert H. Waterston
Comparison Of C. Elegans And C. Briggsae Genome Sequences Reveals Extensive Conservation Of Chromosome Organization And Synteny, Ladeana W. Hiller, Raymond D. Miller, Scott Everet Baird, Asif Chinwalla, Lucinda A. Fulton, Daniel C. Koboldt, Robert H. Waterston
Biological Sciences Faculty Publications
To determine whether the distinctive features of Caenorhabditis elegans chromosomal organization are shared with the C. briggsae genome, we constructed a single nucleotide polymorphism-based genetic map to order and orient the whole genome shotgun assembly along the six C. briggsae chromosomes. Although these species are of the same genus, their most recent common ancestor existed 80-110 million years ago, and thus they are more evolutionarily distant than, for example, human and mouse. We found that, like C. elegans chromosomes, C. briggsae chromosomes exhibit high levels of recombination on the arms along with higher repeat density, a higher fraction of intronic …
Essential Elements Of A Defense-Review Of Dna Testing Results, Dan E. Krane
Essential Elements Of A Defense-Review Of Dna Testing Results, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Some Of The Problems Associated With Lcn (Low Copy Number) Testing, Dan E. Krane
Some Of The Problems Associated With Lcn (Low Copy Number) Testing, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Run-Specific Limits Of Quantitation And Detection (An Alternative To Minimum Peak Height Thresholds), Dan E. Krane
Run-Specific Limits Of Quantitation And Detection (An Alternative To Minimum Peak Height Thresholds), Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Empirical Analysis Of The Str Profiles Resulting From Conceptual Mixtures, Dan E. Krane
Empirical Analysis Of The Str Profiles Resulting From Conceptual Mixtures, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Assessing The Implications For Close Relatives In The Event Of Similar But Non-Matching Dna Profiles, Dan E. Krane
Assessing The Implications For Close Relatives In The Event Of Similar But Non-Matching Dna Profiles, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Chronic Acetaminophen Treatment Influences Indices Of Reactive Oxygen Species Accumulation In The Aging Fisher 344 X Brown Norway Rat Aorta, Sarath Meduru
Theses, Dissertations and Capstones
We have previously reported that aging in the Fisher 344 X Brown Norway (FBN) rat aorta is characterized by increased levels of ROS and alterations in cell signaling. Acetaminophen was found to scavenge free radicals in recent ischemia-reperfusion studies. Here we examined if chronic treatment with a therapeutic dose of acetaminophen attenuates age-associated increase in aortic ROS accumulation and signaling. FBN rats (27 month old; n=8) were subjected to 6 months of treatment with a therapeutic dose of acetaminophen (30mg/kg/day), with age-matched untreated FBN rats as controls. Protein oxidation levels were altered in control and treated aortae compared to aortae …
Autoregulation Of Gld-2 Cytoplasmic Poly(A) Polymerase, Labib Rouhana, Marvin Wickens
Autoregulation Of Gld-2 Cytoplasmic Poly(A) Polymerase, Labib Rouhana, Marvin Wickens
Biological Sciences Faculty Publications
Cytoplasmic polyadenylation regulates mRNA stability and translation and is required for early development and synaptic plasticity. The GLD-2 poly(A) polymerase catalyzes cytoplasmic polyadenylation in the germline of metazoa. Among vertebrates, the enzyme is encoded by two isoforms of mRNA that differ only in the length of their 3′-UTRs. Here we focus on regulation of vertebrateGLD-2 mRNA. We show that the 3′-UTR of GLD-2 mRNA elicits its own polyadenylation and translational activation during frog oocyte maturation. We identify the sequence elements responsible for repression and activation, and demonstrate that CPEB and PUF proteins likely mediate repression in the resting oocyte. …
Caenorhabditis Briggsae Methods, Scott Everet Baird, Helen M. Chamberlin
Caenorhabditis Briggsae Methods, Scott Everet Baird, Helen M. Chamberlin
Biological Sciences Faculty Publications
Caenorhabditis briggsae is being developed in parallel to C. elegans as a model system, primarily for the study of evolution. Like C. elegans, C. briggsae is a protandrous hermaphrodite and like C. elegans, its genome has been sequenced. From this point, these two model systems diverge. The development, behavior, and physiology of C. elegans have been characterized through tens of thousands of genetic and molecular studies. Genetic and molecular characterizations of C. briggsae are relatively few. Experimental resources in C. elegans include a high density recombination map that is well integrated with the genome sequence. The C. briggsae …
Essential Elements Of A Defense-Review Of Dna Testing Results, Dan E. Krane
Essential Elements Of A Defense-Review Of Dna Testing Results, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Implications Of Spatial Autocorrelation And Dispersal For The Modeling Of Species Distributions, Volker Bahn
Implications Of Spatial Autocorrelation And Dispersal For The Modeling Of Species Distributions, Volker Bahn
Biological Sciences Faculty Publications
Modeling the geographical distributions of wildlife species is important for ecology and conservation biology. Spatial autocorrelation in species distributions poses a problem for distribution modeling because it invalidates the assumption of independence among sample locations. I explored the prevalence and causes of spatial autocorrelation in data from the Breeding Bird Survey, covering the conterminous United States, using Regression Trees, Conditional Autoregressive Regressions (CAR), and the partitioning of variance. I also constructed a simulation model to investigate dispersal as a process contributing to spatial autocorrelation, and attempted to verify the connection between dispersal and spatial autocorrelation in species’ distributions in empirical …
Evaluating Forensic Dna Evidence, Dan E. Krane, William C. Thompson
Evaluating Forensic Dna Evidence, Dan E. Krane, William C. Thompson
Biological Sciences Faculty Publications
No abstract provided.
The Genetics Of Ray Pattern Variation In Caenorhabditis Briggsae, Scott Everet Baird, Cynthia R. Davidson, Justin C. Bohrer
The Genetics Of Ray Pattern Variation In Caenorhabditis Briggsae, Scott Everet Baird, Cynthia R. Davidson, Justin C. Bohrer
Biological Sciences Faculty Publications
Background: How does intraspecific variation relate to macroevolutionary change in morphology? This question can be addressed in species in which derived characters are present but not fixed. In rhabditid nematodes, the arrangement of the nine bilateral pairs of peripheral sense organs (rays) in tails of males is often the most highly divergent character between species. The development of ray pattern involves inputs from hometic gene expression patterns, TGFβ signalling, Wnt signalling, and other genetic pathways. In Caenorhabditis briggsae, strain-specific variation in ray pattern has provided an entrée into the evolution of ray pattern. Some strains were fixed for a derived …
Vertebrate Gld2 Poly(A) Polymerases In The Germline And The Brain, Labib Rouhana, Liaoteng Wang, Natascha Buter, Jae Eun Kwak, Craig A. Schiltz, Tania Gonzalez, Ann E. Kelley, Charles F. Landry, Marvin Wickens
Vertebrate Gld2 Poly(A) Polymerases In The Germline And The Brain, Labib Rouhana, Liaoteng Wang, Natascha Buter, Jae Eun Kwak, Craig A. Schiltz, Tania Gonzalez, Ann E. Kelley, Charles F. Landry, Marvin Wickens
Biological Sciences Faculty Publications
Cytoplasmic polyadenylation is important in the control of mRNA stability and translation, and for early animal development and synaptic plasticity. Here, we focus on vertebrate poly(A) polymerases that are members of the recently described GLD2 family. We identify and characterize two closely related GLD2 proteins in Xenopus oocytes, and show that they possess PAP activity in vivo and in vitro and that they bind known polyadenylation factors and mRNAs known to receive poly(A) during development. We propose that at least two distinct polyadenylation complexes exist in Xenopus oocytes, one of which contains GLD2; the other, maskin and Pumilio. GLD2 protein …
Evaluating Forensic Dna Evidence: Essential Elements Of A Competent Defense Review, Dan E. Krane
Evaluating Forensic Dna Evidence: Essential Elements Of A Competent Defense Review, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Evaluating Forensic Dna Evidence, Dan E. Krane
Evaluating Forensic Dna Evidence, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Forensic Dna Evidence: Collection, Mixtures, And Degradation, Dan E. Krane
Forensic Dna Evidence: Collection, Mixtures, And Degradation, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Current Issues In Forensic Dna Profiling, Dan E. Krane
Current Issues In Forensic Dna Profiling, Dan E. Krane
Biological Sciences Faculty Publications
No abstract provided.
Regional Variation In Recruitment Of Hemlock Seedlings And Saplings In The Upper Great Lakes, Usa, Thomas P. Rooney, Ronald J. Mccormick, Stephen L. Solheim, Donald M. Waller
Regional Variation In Recruitment Of Hemlock Seedlings And Saplings In The Upper Great Lakes, Usa, Thomas P. Rooney, Ronald J. Mccormick, Stephen L. Solheim, Donald M. Waller
Biological Sciences Faculty Publications
Mature eastern hemlock–northern hardwood forest cover decreased drastically in the upper Midwest following European settlement and has yet to rebound substantially. Previous studies show that stands retaining substantial hemlock canopy coverage have low hemlock seedling and sapling densities. Results from various geographically restricted studies suggest several possible mechanisms that could cause low seedling or sapling density. We examined the relative importance of these proposed mechanisms in the Southern Superior Uplands Section of the Laurentian Forest Province. We surveyed 294- m2 plots in 100 hemlock stands in northern Wisconsin and western upper Michigan to assess how these proposed mechanisms affect the …
Top-Down Cascade From A Bitrophic Predator In An Old-Field Community, Matthew D. Moran, Thomas P. Rooney, L. E. Hurd
Top-Down Cascade From A Bitrophic Predator In An Old-Field Community, Matthew D. Moran, Thomas P. Rooney, L. E. Hurd
Biological Sciences Faculty Publications
We tested the hypothesis that a bitrophic (third and fourth level) arthropod predator can exert a cascading, top-down influence on other arthropods and plants in an early successional old field. First-stadium mantids, Tenodera sinensis, were added to replicated open-field plots in numbers corresponding to naturally occurring egg hatch density and allowed to remain for ≈ 2 mo. Sticky-trap dispersal barriers around both control and mantid-addition plots allowed us to monitor emigration of arthropods continuously during the experiment. Biomass of herbivores, carnivores, and plants, and abundances of arthropod taxa within plots were determined at the beginning, middle, and end of …
Micronuclear Genome Organization In Euplotes Crassus: A Transposonlike Element Is Removed During Macronuclear Development, Scott Everet Baird, Gina M. Fino, Susan L. Tausta, Lawrence A. Klobutcher
Micronuclear Genome Organization In Euplotes Crassus: A Transposonlike Element Is Removed During Macronuclear Development, Scott Everet Baird, Gina M. Fino, Susan L. Tausta, Lawrence A. Klobutcher
Biological Sciences Faculty Publications
After mating, hypotrichous ciliated protozoa transform a set of their micronuclear chromosomes into thousands of short, linear DNA molecules that form the macronuclear genome. To examine micronuclear genome organization in the hypotrich Euplotes crassus, we have analyzed two cloned segments of micronuclear DNA as well as the macronuclear DNA molecules that are derived from them. E. crassus was found to display a number of features characteristic of other hypotrich genomes, including (i) clustering and close spacing of the precursors of macronuclear DNA molecules, (ii) the frequent occurrence of internal eliminated sequences within macronuclear precursors, (iii) overlapping macronuclear precursors, (iv) lack …
Characterization Of Chromosome Fragmentation In Two Protozoans And Identification Of A Candidate Fragmentation Sequence In Euplotes Crassus, Scott Everet Baird, Lawrence A. Klobutcher
Characterization Of Chromosome Fragmentation In Two Protozoans And Identification Of A Candidate Fragmentation Sequence In Euplotes Crassus, Scott Everet Baird, Lawrence A. Klobutcher
Biological Sciences Faculty Publications
Following the sexual cycle, hypotrichous ciliated protozoans fragment a set of their micronuclear chromosomes to generate the thousands of short, linear DNA molecules present in the transcriptionally active macronucleus. We have used a hybrid selection procedure to examine macronuclear DNA molecules for subtelomeric length heterogeneity to determine whether chromosome fragmentation occurs at unique or multiple sites. The results suggest that multiple, but closely spaced, chromosome fragmentation sites are used by Oxytricha nova. In contrast, Euplotes crassus uses unique chromosome fragmentation sites in a reproducible manner to generate the ends of macronuclear DNA molecules. Additional studies compared DNA sequences in …