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Articles 31 - 60 of 1361
Full-Text Articles in Biology
Host Traits And Temperature Predict Biogeographical Variation In Seagrass Disease Prevalence, F.R. Schenck, J.K. Baum, K.E. Boyer, J.E. Duffy, F.J. Fodrie, J. Gaeckle, Torrie Hanley, C.M. Hereu, K.A. Hovel, P. Jorgensen, D.L. Martin, N.E. O’Connor, B.J. Peterson, J.J. Stachowicz, A.R. Hughes
Host Traits And Temperature Predict Biogeographical Variation In Seagrass Disease Prevalence, F.R. Schenck, J.K. Baum, K.E. Boyer, J.E. Duffy, F.J. Fodrie, J. Gaeckle, Torrie Hanley, C.M. Hereu, K.A. Hovel, P. Jorgensen, D.L. Martin, N.E. O’Connor, B.J. Peterson, J.J. Stachowicz, A.R. Hughes
Biology Faculty Publications
Diseases are ubiquitous in natural systems, with broad effects across populations, communities and ecosystems. However, the drivers of many diseases remain poorly understood, particularly in marine environments, inhibiting effective conservation and management measures. We examined biogeographical patterns of infection in the foundational seagrass Zostera marina by the parasitic protist Labyrinthula zosterae, the causative agent of seagrass wasting disease, across >20° of latitude in two ocean basins. We then identified and characterized relationships among wasting disease prevalence and a suite of host traits and environmental variables. Host characteristics and transmission dynamics explained most of the variance in prevalence across our survey, …
Plasmids Encode And Can Mobilize Onion Pathogenicity In Pantoea Agglomerans, Gi Yoon Shin, Jo Ann Asselin, Amy Smith, Brenna Aegerter, Teresa Coutinho, Mei Zhao, Bhabesh Dutta, Jennie Mazzone, Ram Neupane, Beth Gugino, Christy Hoepting, Manzeal Khanal, Subas Malla, Claudia Nischwitz, Jaspreet Sidhu, Antoinette Machado Burke, Jane Davey, Mark Uchanski, Michael L. Derie, Lindsey J. Du Toit, Stephen Stresow-Cortez, Jean M. Bonasera, Paul Stodghill, Brian Kvitko
Plasmids Encode And Can Mobilize Onion Pathogenicity In Pantoea Agglomerans, Gi Yoon Shin, Jo Ann Asselin, Amy Smith, Brenna Aegerter, Teresa Coutinho, Mei Zhao, Bhabesh Dutta, Jennie Mazzone, Ram Neupane, Beth Gugino, Christy Hoepting, Manzeal Khanal, Subas Malla, Claudia Nischwitz, Jaspreet Sidhu, Antoinette Machado Burke, Jane Davey, Mark Uchanski, Michael L. Derie, Lindsey J. Du Toit, Stephen Stresow-Cortez, Jean M. Bonasera, Paul Stodghill, Brian Kvitko
Biology Faculty Publications
Pantoea agglomerans is one of four Pantoea species reported in the USA to cause bacterial rot of onion bulbs. However, not all P. agglomerans strains are pathogenic to onion. We characterized onion-associated strains of P. agglomerans to elucidate the genetic and genomic signatures of onion-pathogenic P. agglomerans. We collected > 300 P. agglomerans strains associated with symptomatic onion plants and bulbs from public culture collections, research laboratories, and a multi-year survey in 11 states in the USA. Combining the 87 genome assemblies with 100 high-quality, public P. agglomerans genome assemblies we identified two well-supported P. agglomerans phylogroups. Strains causing severe …
Microbiome Metabolic Capacity Is Buffered Against Phylotype Losses By Functional Redundancy, Kayla Cross, Noelle Beckman, Benjamin Jahnes, Zakee L. Sabree
Microbiome Metabolic Capacity Is Buffered Against Phylotype Losses By Functional Redundancy, Kayla Cross, Noelle Beckman, Benjamin Jahnes, Zakee L. Sabree
Biology Faculty Publications
Many animals contain a species-rich and diverse gut microbiota that likely contributes to several host-supportive services that include diet processing and nutrient provisioning. Loss of microbiome taxa and their associated metabolic functions as result of perturbations may result in loss of microbiome-level services and reduction of metabolic capacity. If metabolic functions are shared by multiple taxa (i.e., functional redundancy), including deeply divergent lineages, then the impact of taxon/function losses may be dampened. We examined to what degree alterations in phylotype diversity impact microbiome-level metabolic capacity. Feeding two nutritionally imbalanced diets to omnivorous Periplaneta americana over 8 weeks reduced the diversity …
Extensive Admixture Among Karst-Obligate Salamanders Reveals Evidence Of Recent Divergence And Gene Exchange Through Aquifers, Chris C. Nice, Katherine L. Bell, Zachariah Gompert, Lauren K. Lucas, James R. Ott, Ruben U. Tovar, Paul Crump, Peter H. Diaz
Extensive Admixture Among Karst-Obligate Salamanders Reveals Evidence Of Recent Divergence And Gene Exchange Through Aquifers, Chris C. Nice, Katherine L. Bell, Zachariah Gompert, Lauren K. Lucas, James R. Ott, Ruben U. Tovar, Paul Crump, Peter H. Diaz
Biology Faculty Publications
Karst ecosystems often contain extraordinary biodiversity, but the complex underground aquifers of karst regions present challenges for assessing and conserving stygobiont diversity and investigating their evolutionary history. We examined the karst-obligate salamanders of the Eurycea neotenes species complex in the Edwards Plateau region of central Texas using population genomics data to address questions about population connectivity and the potential for gene exchange within the underlying aquifer system. The E. neotenes species complex has historically been divided into three nominal species, but their status, and spatial extent of species ranges, have remained uncertain. We discovered evidence of extensive admixture among species …
Chromatin Remodeling Protein Bptf Mediates Chromatin Accessibility At Gene Promoters In Planarian Stem Cells, Prince Verma, John M. Allen, Alejandro Sánchez Alvarado, Elizabeth M. Duncan
Chromatin Remodeling Protein Bptf Mediates Chromatin Accessibility At Gene Promoters In Planarian Stem Cells, Prince Verma, John M. Allen, Alejandro Sánchez Alvarado, Elizabeth M. Duncan
Biology Faculty Publications
Background The regulation of chromatin accessibility is essential in eukaryotic cells as one of several mechanisms that ensure gene activation occurs at appropriate times and in appropriate cell types. Accordingly, mutations in chromatin remodeling proteins are linked to many different developmental disorders and cancers. One example of a chromatin protein that has been linked to both developmental abnormalities and cancer is BPTF/NURF301, the largest subunit of the Nucleosome Remodeling Factor (NuRF) complex. The BPTF subunit is not only important for the formation of NuRF but also helps direct its activity to particular regions of chromatin by preferentially binding histone H3 …
Intraspecific Variation In Plant–Fungal Interactions Across Tidal Elevation In A Salt Marsh, Torrie Hanley, Catherine Gehring, Ron Deckert, Behzad Mortazavi, Christina Richards, A. Randall Hughes
Intraspecific Variation In Plant–Fungal Interactions Across Tidal Elevation In A Salt Marsh, Torrie Hanley, Catherine Gehring, Ron Deckert, Behzad Mortazavi, Christina Richards, A. Randall Hughes
Biology Faculty Publications
Interspecific interactions vary depending on environmental and genetic factors, with intraspecific variation potentially altering these relationships. Specifically, intraspecific variation within host plants and their endosymbionts may affect above- and belowground interactions depending on environmental conditions. We examined how intraspecific variation within the salt marsh foundation species Spartina alterniflora and a common fungal root endosymbiont (Lulworthia sp.) affected their interactions. We conducted a glasshouse experiment comparing interactions between Spartina growth forms (tall-form from low marsh and short-form from high marsh) and Lulworthia isolates from different marsh locations, and a laboratory experiment exposing Lulworthia isolates from both endpoints of a tidal elevation …
Comparing The Development And Viability Of Horseshoe Crab Eggs Laid In Beach And Salt Marsh Habitats, Daniel A. Sasson, Christopher C. Chabot, Jo-Marie Kasinak, Jennifer Mattei Ph.D., Elizabeth U. Scott, Fletcher K. Hall, Michael R. Kendrick
Comparing The Development And Viability Of Horseshoe Crab Eggs Laid In Beach And Salt Marsh Habitats, Daniel A. Sasson, Christopher C. Chabot, Jo-Marie Kasinak, Jennifer Mattei Ph.D., Elizabeth U. Scott, Fletcher K. Hall, Michael R. Kendrick
Biology Faculty Publications
The horseshoe crab, Limulus polyphemus, has recently been found to spawn regularly in salt marshes, despite the long-held assumption that salt marsh sediments are not conducive for embryonic development. Here, we tested the prediction that eggs laid in the salt marsh would develop more slowly and be less viable than eggs laid on beaches. We flagged the nests of spawning horseshoe crabs in the marshes and beaches of three states—South Carolina, Connecticut, and New Hampshire—and then excavated those nests one or three weeks later. We staged the excavated embryos to compare developmental progress between marshes and beaches. We found …
Latitudinal Clines In An Ectothermic Vertebrate: Patterns In Body Size, Growth Rate, And Reproductive Effort Suggest Countergradient Responses In The Prairie Lizard, Travis R. Robbins, Tiffany Hegdahl
Latitudinal Clines In An Ectothermic Vertebrate: Patterns In Body Size, Growth Rate, And Reproductive Effort Suggest Countergradient Responses In The Prairie Lizard, Travis R. Robbins, Tiffany Hegdahl
Biology Faculty Publications
Although we have evidence that many organisms are exhibiting declines in body size in response to climate warming, we have little knowledge of underlying mechanisms or how associated phenotypic suites may coevolve. The better we understand coadaptations among physiology, morphology, and life history, the more accurate our predictions will be of organismal response to changing thermal environments. This is especially salient for ectotherms because they comprise 99% of species worldwide and are key to functioning ecosystems. Here, we assess body size, growth rates, and reproductive traits of a vertebrate ectotherm, the prairie lizard, Sceloporus consobrinus, for multiple populations along …
Neuronal And Glial Cell Alterations Involved In The Retinal Degeneration Of The Familial Dysautonomia Optic Neuropathy, Anastasia Schultz, Henar Albertos-Arranz, Xavier Sánchez Sáez, Jamie Morgan, Diane Darland, Alejandra Gonzalez-Duarte, Horacio Kaufmann, Carlos E. Mendoza-Santiesteban, Nicolás Cuenca, Frances Lefcort
Neuronal And Glial Cell Alterations Involved In The Retinal Degeneration Of The Familial Dysautonomia Optic Neuropathy, Anastasia Schultz, Henar Albertos-Arranz, Xavier Sánchez Sáez, Jamie Morgan, Diane Darland, Alejandra Gonzalez-Duarte, Horacio Kaufmann, Carlos E. Mendoza-Santiesteban, Nicolás Cuenca, Frances Lefcort
Biology Faculty Publications
Familial dysautonomia (FD) is a rare genetic neurodevelopmental and neurodegenerative disorder. In addition to the autonomic and peripheral sensory neuropathies that challenge patient survival, one of the most debilitating symptoms affecting patients' quality of life is progressive blindness resulting from the steady loss of retinal ganglion cells (RGCs).Within the FD community, there is a concerted effort to develop treatments to prevent the loss of RGCs. However, the mechanisms underlying the death of RGCs are not well understood. To study the mechanisms underlying RGC death, Pax6-cre;Elp1loxp/loxp male and female mice and postmortem retinal tissue from an FD patient were used to …
Core Concepts: Views From Physiology And Neuroscience, Jennifer E. Schaefer, Joel Michael
Core Concepts: Views From Physiology And Neuroscience, Jennifer E. Schaefer, Joel Michael
Biology Faculty Publications
Core concepts are “big ideas” that are central to a discipline, provide frameworks of understanding for disciplinary content, and aid student transfer of learning. Core concept lists have been developed for increasing numbers of higher education STEM disciplines. This mini-review uses physiology and neuroscience core concepts as examples to inform core concept pedagogies in these and other disciplines. The article reviews the development of physiology and neuroscience core concepts and compares the resulting concept lists. It then provides suggestions or “lessons learned” for educators and researchers who wish to utilize core concept pedagogies or who wish to develop core concepts …
Metabolic Compensation Associated With Digestion In Response To The Latitudinal Thermal Environment Across Populations Of The Prairie Lizard (Sceloporus Consobrinus), Benjamin D. Haussmann, Tiffany Hegdahl, Travis R. Robbins
Metabolic Compensation Associated With Digestion In Response To The Latitudinal Thermal Environment Across Populations Of The Prairie Lizard (Sceloporus Consobrinus), Benjamin D. Haussmann, Tiffany Hegdahl, Travis R. Robbins
Biology Faculty Publications
Environmental temperatures directly affect physiological rates in ectotherms by constraining the possible body temperatures they can achieve, with physiological processes slowing as temperatures decrease and accelerating as temperatures increase. As environmental constraints increase, as they do northward along the latitudinal thermal gradient, organisms must adapt to compensate for the slower physiological processes or decreased opportunity time. Evolving faster general metabolic rates is one adaptive response posited by the metabolic cold adaptation (MCA) hypothesis. Here we test the MCA hypothesis by examining metabolism of prairie lizard populations across the latitudinal thermal gradient. Our results show that populations from cooler environments have …
Complete Genomes Of Two Cluster Ak Arthrobacter Phages Isolated From Soil Samples In Newburgh, Ny, United States, Veronique A. Delesalle, Mariah King, Tabitha Rozario, Noah Wolf, Connor Stewart, Luke Demato, Kevin Trafford, Saiman Adhikari, Van Dinh
Complete Genomes Of Two Cluster Ak Arthrobacter Phages Isolated From Soil Samples In Newburgh, Ny, United States, Veronique A. Delesalle, Mariah King, Tabitha Rozario, Noah Wolf, Connor Stewart, Luke Demato, Kevin Trafford, Saiman Adhikari, Van Dinh
Biology Faculty Publications
Two phages belonging to Arthrobacter phage cluster AK were isolated from soil samples collected in Newburgh, NY in 2021. Both are lytic with a genome organization typical of siphoviruses except for two genes encoding minor tail proteins with pyocin-knob domains found early in the genome, before the terminase gene.
A Framework For Modeling The Impacts Of Adaptive Search Intensity On The Efficiency Of Abundance Surveys., Laura Jiménez, John R Fieberg, Michael Mccartney, Jake M Ferguson
A Framework For Modeling The Impacts Of Adaptive Search Intensity On The Efficiency Of Abundance Surveys., Laura Jiménez, John R Fieberg, Michael Mccartney, Jake M Ferguson
Biology Faculty Publications
When planning abundance surveys, the impact of search intensity on the quality of the density estimates is rarely considered. We constructed a time-budget modeling framework for abundance surveys using principles from optimal foraging theory. We link search intensity to the number of sample units surveyed, searcher detection probability, the number of detections made, and the precision of the estimated population density. This framework allowed us to determine how a searcher should behave to produce optimized density estimates. Using data collected from quadrat and removal surveys of zebra mussels (Dreissena polymorpha) in central Minnesota, we applied this framework to evaluate potential …
Zebrafish (Danio Rerio) Behavioral Phenotypes Are Not Underscored By Different Gut Microbiomes, Paul A. Ayayee, Ryan Y. Wong
Zebrafish (Danio Rerio) Behavioral Phenotypes Are Not Underscored By Different Gut Microbiomes, Paul A. Ayayee, Ryan Y. Wong
Biology Faculty Publications
Although bold and shy behavioral phenotypes in zebrafish (Danio rerio) have been selectively bred and maintained over multiple generations, it is unclear if they are underscored by different gut microbiota. Using the microbiota–gut–brain concept, we examined the relationship between gut microbiota and the behavioral phenotypes within this model animal system to assess possible gut microbe-mediated effects on host behavior. To this end, we amplified and sequenced 16S rRNA gene amplicons from the guts of bold and shy zebrafish individuals using the Illumina Miseq platform. We did not record any significant differences in within-group microbial diversity nor between-group community …
Phylotranscriptomic Relationships Of The Oophila Clade Of Green Algae Associated To Amphibian Egg Masses, Ryan Kerney, Miguel Vences, Maria Sachs, Iker Irisarri, Fabian Bartels, Pontus Eriksson, Sven Künzel, Atsushi Kurabayashi, Ane Laugen, Zachary Vegso, Cory Bishop, Hartmut Arndt
Phylotranscriptomic Relationships Of The Oophila Clade Of Green Algae Associated To Amphibian Egg Masses, Ryan Kerney, Miguel Vences, Maria Sachs, Iker Irisarri, Fabian Bartels, Pontus Eriksson, Sven Künzel, Atsushi Kurabayashi, Ane Laugen, Zachary Vegso, Cory Bishop, Hartmut Arndt
Biology Faculty Publications
Green algae usually assigned to the genus Oophila are known to colonize egg capsules of amphibian egg masses across the Nearctic and Palearctic regions. We study the phylogenetic relationships of these algae using a phylotranscriptomic data set of 76 protein-coding single-copy nuclear genes. Our data set includes novel RNAseq data for six amphibian-associated and five free-living green algae, and draft genomes of two of the latter. Within the Oophila clade (nested within Moewusinia), we find samples from two European frogs (Rana dalmatina and R. temporaria) closely related to those of the North American frog R. aurora (Oophila …
The Role Of Southern Red-Backed Voles, Myodes Gapperi, And Peromyscus Mice In The Enzootic Maintenance Of Lyme Disease Spirochetes In North Dakota, Usa, Michael W. Dougherty, Nathan M. Russart, Robert A. Gaultney, Emily Marie Gisi, Haley M. Cooper, Lindsey R. Kallis, Catherine A. Brissette, Jefferson A. Vaughan
The Role Of Southern Red-Backed Voles, Myodes Gapperi, And Peromyscus Mice In The Enzootic Maintenance Of Lyme Disease Spirochetes In North Dakota, Usa, Michael W. Dougherty, Nathan M. Russart, Robert A. Gaultney, Emily Marie Gisi, Haley M. Cooper, Lindsey R. Kallis, Catherine A. Brissette, Jefferson A. Vaughan
Biology Faculty Publications
Lyme disease has expanded into the Great Plains of the USA. To investigate local enzootic transmission, small mammals were trapped in two forested tracts in northeastern North Dakota during 2012 and 2013. Peromyscus mice and southern red-backed voles, Myodes gapperi, comprised over 90% of all mammals captured. One site was dominated by Peromyscus (79% of 100 mammals captured). At the other site, M. gapperi (59% of 107 mammals captured) was more abundant than Peromyscus (36%). Immature stages of two tick species parasitized small mammals: Dermacentor variabilis and Ixodes scapularis. Larval I. scapularis ectoparasitism was significantly higher on Peromyscus (81% …
High Sugar Diet Alters Immune Function And The Gut Microbiome In Juvenile Green Iguanas (Iguana Iguana), Kwanho C. Ki, Erin L. Lewis, Elizabeth Wu, Francis J. Oliaro, Lise M. Aubry, Charles R. Knapp, Karen M. Kapheim, Dale Denardo, Susannah S. French
High Sugar Diet Alters Immune Function And The Gut Microbiome In Juvenile Green Iguanas (Iguana Iguana), Kwanho C. Ki, Erin L. Lewis, Elizabeth Wu, Francis J. Oliaro, Lise M. Aubry, Charles R. Knapp, Karen M. Kapheim, Dale Denardo, Susannah S. French
Biology Faculty Publications
The present work aimed to study whether a high sugar diet can alter immune responses and the gut microbiome in green iguanas. Thirty-six iguanas were split into four treatment groups using a 2x2 design. Iguanas received either a sugar-supplemented diet or a control diet, and either a lipopolysaccharide (LPS) injection or a phosphate-buffered saline (PBS) injection. Iguanas were given their respective diet treatment through the entire study (~3 months) and received a primary immune challenge 1 and 2 months into the experiment. Blood samples and cloacal swabs were taken at various points in the experiment and used to measure changes …
A Timely Death Of The Tapetum Underlies More Floret1 (Mof1) Regulation Of Male Fertility In Rice, Janlo M. Robil
A Timely Death Of The Tapetum Underlies More Floret1 (Mof1) Regulation Of Male Fertility In Rice, Janlo M. Robil
Biology Faculty Publications
No abstract provided.
Pollination And Seed Production Of Lavandula Angustifolia Mill. (Lamiaceae), Sam S. Ingram, Tyler M. Wilson, Joseph S. Wilson, Emma A. Ziebarth, Makenna C. Johnson, Jacob G. Young, Richard E. Carlson
Pollination And Seed Production Of Lavandula Angustifolia Mill. (Lamiaceae), Sam S. Ingram, Tyler M. Wilson, Joseph S. Wilson, Emma A. Ziebarth, Makenna C. Johnson, Jacob G. Young, Richard E. Carlson
Biology Faculty Publications
Lavandula angustifolia Mill., lavender, is an aromatic plant in the Lamiaceae family. Lavender is an important economic plant that is cultivated throughout the world. Previous studies have shown that the primary pollinators of lavender in Europe and North Africa are bee species, specifically Bombus spp. However, similar studies have not been previously performed in North America. The current study, on cultivated population lavender (grown from seed) in Utah (USA), found a diverse community of bees visiting lavender over a 4-week sequential and successive blooming period. The observed and identified bees were distinguished across 8 genera and 12 species, of which …
Evolution Repeats Itself In Replicate Long-Term Studies In The Wild, Patrik Nosil, Clarissa F. De Carvalho, Romain Villoutreix, Laura S. Zamorano, Marion Sinclair-Waters, Nicholas P. Planidin, Thomas L. Parchman, Jeffrey Feder, Zach Gompert
Evolution Repeats Itself In Replicate Long-Term Studies In The Wild, Patrik Nosil, Clarissa F. De Carvalho, Romain Villoutreix, Laura S. Zamorano, Marion Sinclair-Waters, Nicholas P. Planidin, Thomas L. Parchman, Jeffrey Feder, Zach Gompert
Biology Faculty Publications
The extent to which evolution is repeatable remains debated. Here, we study changes over time in the frequency of cryptic color-pattern morphs in 10 replicate long-term field studies of a stick insect, each spanning at least a decade (across 30 years of total data). We find predictable “up-and-down” fluctuations in stripe frequency in all populations, representing repeatable evolutionary dynamics based on standing genetic variation. A field experiment demonstrates that these fluctuations involve negative frequency-dependent natural selection (NFDS). These fluctuations rely on demographic and selective variability that pushes populations away from equilibrium, such that they can reliably move back toward it …
Assessing The Effects Of Cold Storage Regimes Of North American Bombus Gynes, Thuy Tien T. Lindsay, Marcia M. Hagen, Joyce N. Knoblett, Joseph P. Rinehart, Karen M. Kapheim, James P. Strange
Assessing The Effects Of Cold Storage Regimes Of North American Bombus Gynes, Thuy Tien T. Lindsay, Marcia M. Hagen, Joyce N. Knoblett, Joseph P. Rinehart, Karen M. Kapheim, James P. Strange
Biology Faculty Publications
Bumble bees are the primary commercial pollinators for greenhouse-grown crops and managing them requires insight into the Bombus life cycle. However, some aspects of the life cycle are not fully understood. Once mated, adult Bombus gynes can be stored for a short term at a constant low temperature (CLT). However, survival rates for some species are low during CLT, particularly when storage periods exceed a month. To address this, we tested the hypothesis that Bombus gynes stored in a fluctuating thermal regime (FTR) have increased survival compared to gynes stored in CLT. Specifically, the FTR had a baseline temperature of …
The Plant Disease Triangle Facing Climate Change: A Molecular Perspective, Charles Roussin-Léveillée, Christina A. M. Rossi, Christian Castroverde, Peter Moffett
The Plant Disease Triangle Facing Climate Change: A Molecular Perspective, Charles Roussin-Léveillée, Christina A. M. Rossi, Christian Castroverde, Peter Moffett
Biology Faculty Publications
No abstract provided.
Population Genomics Provide Insight Into Ancestral Relationships And Diversity Of The Feral Horses Of Theodore Roosevelt National Park, Melissa A. Thompson, Blake E. Mccann, Turk Rhen, Rebecca Simmons
Population Genomics Provide Insight Into Ancestral Relationships And Diversity Of The Feral Horses Of Theodore Roosevelt National Park, Melissa A. Thompson, Blake E. Mccann, Turk Rhen, Rebecca Simmons
Biology Faculty Publications
Theodore Roosevelt National Park (TRNP) manages a herd of feral horses (Equus caballus) which was present on the landscape prior to the establishment of the park. The population presents a unique scenario in that it has experienced fairly intensive and well-documented management since the park's establishment, including herd size reductions, intentional introduction of diversity, and subsequent attempts to remove introduced lineages. This provides an interesting case study on the genetic effects of diverse evolutionary forces on an isolated feral population. To explore the effects of these forces and clarify the relationship of this feral herd with other horses, …
A Dog's Life: Early Life Histories Influence Methylation Of Glucocorticoid (Nr3c1) And Oxytocin (Oxtr) Receptor Genes, Cortisol Levels, And Attachment Styles, Samantha L. Awalt, Lidia Boghean, David Klinkebiel, Rosemary Strasser
A Dog's Life: Early Life Histories Influence Methylation Of Glucocorticoid (Nr3c1) And Oxytocin (Oxtr) Receptor Genes, Cortisol Levels, And Attachment Styles, Samantha L. Awalt, Lidia Boghean, David Klinkebiel, Rosemary Strasser
Biology Faculty Publications
Early life deprivation and stress can contribute to life-long, problematic consequences, including epigenetic variations related to behavior and health. Domestic dogs share human environments and social–cognitive traits, making them a promising comparative model to examine developmental plasticity. We examined 47 owner–dog dyads, including dogs rescued from abusive or neglectful environments, and matched control dogs for changes in DNA methylation of glucocorticoid (NR3C1) and oxytocin (OXTR) receptor genes previously shown to be affected by early life stress in other species including humans. We used an attachment paradigm, which included a separation event to examine cortisol levels and …
Description Of Neoperla Philippinensis Sp. Nov. Confirmed Using Integrative Taxonomy And Some Notes On Neoperla Oculata Banks, 1924 (Plecoptera: Perlidae), Arthien Lovell P. Pelingen
Description Of Neoperla Philippinensis Sp. Nov. Confirmed Using Integrative Taxonomy And Some Notes On Neoperla Oculata Banks, 1924 (Plecoptera: Perlidae), Arthien Lovell P. Pelingen
Biology Faculty Publications
I re-examine the assumed phenotypic variable Neoperla oculata Banks, 1924 (Plecoptera, Perlidae) and describe Neoperla philippinensis sp. nov. All material examined herein are collections from the Mindanao region, of which supplementary information were provided including COI mtDNA accessions, female adult associations, and egg morphology characterization.
Transient Interactions Modulate The Affinity Of Nf-Κb Transcription Factors For Dna, Tianjie Li, Shandy Shahabi, Tapan Biswas, Oleg V. Tsodikov, Wenfei Pan, De-Bin Huang, Vivien Ya-Fan Wang, Yi Wang, Gourisankar Ghosh
Transient Interactions Modulate The Affinity Of Nf-Κb Transcription Factors For Dna, Tianjie Li, Shandy Shahabi, Tapan Biswas, Oleg V. Tsodikov, Wenfei Pan, De-Bin Huang, Vivien Ya-Fan Wang, Yi Wang, Gourisankar Ghosh
Biology Faculty Publications
The dimeric nuclear factor kappa B (NF- κB) transcription factors (TFs) regulate gene expression by binding to a variety of κB DNA elements with conserved G:C-rich flanking sequences enclosing a degenerate central region. Toward defining mechanistic principles of affinity regulated by degeneracy, we observed an unusual dependence of the affinity of RelA on the identity of the central base pair, which appears to be noncontacted in the complex crystal structures. The affinity of κB sites with A or T at the central position is ~10- fold higher than with G or C. The crystal structures of neither the complexes nor …
Lighting Pathways To Success In Stem: A Virtual Laboratory Meeting Programme (Lamp) Mutually Benefits Mentees And Host Laboratories, Katie E. Lotterhos, Moisés A. Bernal, Megan Phifer-Rixey, Torrie Hanley
Lighting Pathways To Success In Stem: A Virtual Laboratory Meeting Programme (Lamp) Mutually Benefits Mentees And Host Laboratories, Katie E. Lotterhos, Moisés A. Bernal, Megan Phifer-Rixey, Torrie Hanley
Biology Faculty Publications
Developing robust professional networks can help shape the trajectories of early career scientists. Yet, historical inequities in science, technology, engineering, and mathematics (STEM) fields make access to these networks highly variable across academic programmes, and senior academics often have little time for mentoring. Here, we illustrate the success of a virtual Laboratory Meeting Programme (LaMP). In this programme, we matched students (mentees) with a more experienced scientist (mentors) from a research group. The mentees then attended the mentors’ laboratory meetings during the academic year with two laboratory meetings specifically dedicated to the mentee’s professional development. Survey results indicate that mentees …
Restricted Dispersal And Phenotypic Response To Water Depth In A Foundation Seagrass, Erik E. Sotka, Randall Hughes, Torrie Hanley, Cynthia G. Hays
Restricted Dispersal And Phenotypic Response To Water Depth In A Foundation Seagrass, Erik E. Sotka, Randall Hughes, Torrie Hanley, Cynthia G. Hays
Biology Faculty Publications
Species conservation and management benefit from precise understanding of natural patterns of dispersal and genetic variation. Using recent advances in indirect genetic methods applied to both adult plants and dispersed seeds, we find that the mean seed dispersal in a threatened marine foundation plant (the eelgrass Zostera marina) is approximately 100-200 m. This distance is surprisingly more similar to that of wind-dispersed terrestrial seeds (~10s to 100s of meters) than the passive dispersal of marine propagules via currents (~10s to 100s of kilometres). Because nearshore marine plants like Zostera are commonly distributed across strong selective gradients driven by bathymetry (depth) …
Consequences Of Spatial Structure In Soil–Geomorphic Data On The Results Of Machine Learning Models, Daehyun Kim, Insang Song, Lorrayne Miralha, Daniel R. Hirmas, Ryan W. Mcewan, Tom G. Mueller, Pavel Samonil
Consequences Of Spatial Structure In Soil–Geomorphic Data On The Results Of Machine Learning Models, Daehyun Kim, Insang Song, Lorrayne Miralha, Daniel R. Hirmas, Ryan W. Mcewan, Tom G. Mueller, Pavel Samonil
Biology Faculty Publications
In this paper, we examined the degree to which inherent spatial structure in soil properties influences the outcomes of machine learning (ML) approaches to predicting soil spatial variability. We compared the performances of four ML algorithms (support vector machine, artificial neural network, random forest, and random forest for spatial data) against two non-ML algorithms (ordinary least squares regression and spatial filtering regression). None of the ML algorithms produced residuals that had lower mean values or were less autocorrelated over space compared with the non-ML approaches. We recommend the use of random forest when a soil variable of interest is weakly …
Development And Implementation Of Natural Killer Cell Simultaneous Adcc And Direct Killing Assay, Maia M.C. Bennett-Boehm, Anna Mahr, Alexander Regan, Sean T. Hartwell, Isabelle Weber, Arriana Blackmon, Cami Bisson, Angela Ngoc Truong, Bella Circo, Jaden Nienhueser, Donald Rogers, Nathan Booher, Nithya Rajagopalan, Jacob W.S. Martens, Paul Denton
Development And Implementation Of Natural Killer Cell Simultaneous Adcc And Direct Killing Assay, Maia M.C. Bennett-Boehm, Anna Mahr, Alexander Regan, Sean T. Hartwell, Isabelle Weber, Arriana Blackmon, Cami Bisson, Angela Ngoc Truong, Bella Circo, Jaden Nienhueser, Donald Rogers, Nathan Booher, Nithya Rajagopalan, Jacob W.S. Martens, Paul Denton
Biology Faculty Publications
Assays to quantify natural killer (NK) cell killing efficacy have traditionally focused on assessing either direct killing or antibody dependent cell-mediated cytotoxicity (ADCC) independently. Due to the probability that immunotherapeutic interventions affect NK cell-mediated direct killing and NK cell-mediated ADCC differently, we developed an assay with the capacity to measure NK cell-mediated direct killing and ADCC simultaneously with cells from the same human donor. Specifically, this design allows for a single NK cell population to be split into several experimental conditions (e.g., direct killing, ADCC), thus controlling for potential confounders associated with human-to-human variation when assessing immunotherapy impacts. Our Natural …