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Articles 4051 - 4080 of 39079
Full-Text Articles in Biology
Kif3a Tail Domain Phosphorylation Is Not Required For Ciliogenesis In Mouse Embryonic Fibroblasts, Ayoola Fasawe, Jessica M. Adams, Martin Engelke
Kif3a Tail Domain Phosphorylation Is Not Required For Ciliogenesis In Mouse Embryonic Fibroblasts, Ayoola Fasawe, Jessica M. Adams, Martin Engelke
Faculty Publications – Biological Sciences
Primary cilia are essential signaling organelles that protrude from most cells in the body. Heterodimeric kinesin-2 (KIF3A/KIF3B/KAP3) powers several intracellular transport processes, including intraflagellar transport (IFT), essential for ciliogenesis. A long-standing question is how a motor protein is differentially regulated for specific cargos. Since phosphorylation of the KIF3A tail domain was suggested to regulate the activity of kinesin-2 for ciliogenesis, similarly as for the cytosolic cargo N-Cadherin, we set out to map the phosphosites involved in this regulation. Using well-characterized Kif3a−/−; Kif3b−/− mouse embryonic fibroblasts, we performed ciliogenesis rescue assays with a library of phosphomimetic mutants comprising all …
Screening H3 Histone Acetylation In A Wild Bird, The House Sparrow (Passer Domesticus), Daniella Ray
Screening H3 Histone Acetylation In A Wild Bird, The House Sparrow (Passer Domesticus), Daniella Ray
College of Graduate Studies: Theses & Dissertations
Epigenetic mechanisms are increasingly understood to have major impacts across ecology. However, one molecular epigenetic mechanism, DNA methylation, currently dominates the literature. A second mechanism, histone modification, is likely important to ecologically relevant phenotypes and thus warrants investigation, especially because molecular interplay between methylation and histone acetylation can strongly affect gene expression. There are a limited number of histone acetylation studies on non-model organisms, yet those that exist show that it can impact gene expression and phenotypic plasticity. Wild birds provide an excellent system to investigate histone acetylation, as free-living individuals must rapidly adjust to environmental change. Here, we screen …
Snake Translocation Policies And Practices Within The United States, Robin E. Bedard, Megan Rottenborn, Emily Taylor
Snake Translocation Policies And Practices Within The United States, Robin E. Bedard, Megan Rottenborn, Emily Taylor
Human–Wildlife Interactions
Human–wildlife conflict with nuisance snakes (Serpentes) is rapidly increasing with human population growth and development rates. Translocation of nuisance snakes has become a widespread practice, aided by social media pages connecting people to volunteer and for-profit snake translocators. However, translocators often struggle to find information and resources from wildlife agencies about the policies required, and some may unintentionally use translocation procedures that disregard the health and survival of the snakes. The goals of this study were to (1) obtain data on policies, permitting, and training required for translocating nuisance snakes in each U.S. state that has snakes and (2) compare …
Redesign, Evaluation, And Validation Of A Commercially Viable High-Resolution Melt Based Mixture Screening Tool, Chastyn Smith
Redesign, Evaluation, And Validation Of A Commercially Viable High-Resolution Melt Based Mixture Screening Tool, Chastyn Smith
Theses and Dissertations
Analysis of evidentiary samples containing DNA from multiple contributors (“mixtures”) is a time intensive process for a forensic analyst and one where the contributor nature of a sample is not revealed until the end of the traditional forensic workflow. Often, at this stage, retesting or additional testing of mixture samples may not be possible, particularly if the DNA collection device did not preserve the DNA well enough; consequently leaving only trace amounts of a contributor’s DNA present. Thus, a new collection device that would allow for the increased preservation/integrity of evidentiary samples as well as a method that would allow …
Oaks Have A Lot Of Gall: The Intimate Interactions Of Oaks And Gall Wasps, Warren G. Abrahamson Ii
Oaks Have A Lot Of Gall: The Intimate Interactions Of Oaks And Gall Wasps, Warren G. Abrahamson Ii
Faculty Journal Articles
This is a story about the interactions of oaks and herbivorous gall-inducing wasps. To set the stage, let’s first explore the diversity of oaks and oak gall wasps.
The Role Of The Vibrio Cholerae Type Vi Secretion System During Kin Cell Interaction, Biofilm Formation And Priority Effects, Karen A. Castro
The Role Of The Vibrio Cholerae Type Vi Secretion System During Kin Cell Interaction, Biofilm Formation And Priority Effects, Karen A. Castro
Dissertations and Theses
Vibrio cholerae’s Type VI secretion system (T6SS) is one of the arsenals used by the bacteria for its long-term survival in different environments, against a variety of opponents, and for its maintained pathogenicity in vulnerable regions of the world. Therefore, the more we understand about the activity of the T6SS, the closer we get to understanding its role in bacterial competition; inter-and-intra, and how this shapes a bacterial niche. Further, although the probiotic-like effect in the V. cholerae vaccine is described to work fast due to niche uptake hindering colonization of toxigenic strains, it is not yet clear if there …
An Exploratory Study Of The Effects Of Bis-Substituted Triazolium Bromide Salts On The Proliferation Of Wi-38 Lung Cells And H-1299 Lung Cancer Cells, Rakaiya Martin
Theses and Dissertations
Lung cancer is the leading cause of cancer deaths worldwide. The battle against this disease continues to challenge physicians and scientists daily, due to its various forms, treatments, and responses. Depending on the grade and stage of the disease, treatments can be extensive, encompassing surgery, chemotherapy, and radiation therapy. Though these therapeutics can prolong a patient’s life, they often have significant ramifications. For instance, radiation therapy has an extensive list of side effects, from organ damage to loss of fertility. These outcomes have driven scientists to explore the applicability of novel cancer treatments. Imidazolium and benzimidazolium salts have been shown …
How Do Daily Survival Rates Of Nests Change During The Incubation Period For Ducks Nesting On Great Salt Lake Marshes?, Mark E. Bell, Michael R. Conover
How Do Daily Survival Rates Of Nests Change During The Incubation Period For Ducks Nesting On Great Salt Lake Marshes?, Mark E. Bell, Michael R. Conover
Human–Wildlife Interactions
We examined how daily survival rates (DSRs) of duck nests change over the course of the incubation period using cinnamon teal (Spatula cyanoptera), mallards (Anas platyrhynchos), and gadwalls (Mareca strepera) nesting in the marshes around Great Salt Lake, Utah, USA. Cameras observed 138 nests, allowing us to know the exact day when chicks hatched or nests were depredated. We measured the course of the incubation period based on 3 different time scales: (1) days since we first located the nest, (2) embryo age, and (3) ordinal day. We tested 3 hypotheses about the relationship …
Clearing The Junq: The Molecular Machinery For Sequestration, Localization, And Degradation Of The Junq Compartment, Sarah Rolli, Chloe A. Langridge, Emily M. Sontag
Clearing The Junq: The Molecular Machinery For Sequestration, Localization, And Degradation Of The Junq Compartment, Sarah Rolli, Chloe A. Langridge, Emily M. Sontag
Biological Sciences Faculty Research and Publications
Cellular protein homeostasis (proteostasis) plays an essential role in regulating the folding, sequestration, and turnover of misfolded proteins via a network of chaperones and clearance factors. Previous work has shown that misfolded proteins are spatially sequestered into membrane-less compartments in the cell as part of the proteostasis process. Soluble misfolded proteins in the cytoplasm are trafficked into the juxtanuclear quality control compartment (JUNQ), and nuclear proteins are sequestered into the intranuclear quality control compartment (INQ). However, the mechanisms that control the formation, localization, and degradation of these compartments are unknown. Previously, we showed that the JUNQ migrates to the nuclear …
Identification Of Mimas, A Multifunctional Mega-Assembly Integrating Metabolic And Respiratory Biogenesis Factors Of Mitochondria, Rosemary A. Stuart
Identification Of Mimas, A Multifunctional Mega-Assembly Integrating Metabolic And Respiratory Biogenesis Factors Of Mitochondria, Rosemary A. Stuart
Biological Sciences Faculty Research and Publications
The mitochondrial inner membrane plays central roles in bioenergetics and metabolism and contains several established membrane protein complexes. Here, we report the identification of a mega-complex of the inner membrane, termed mitochondrial multifunctional assembly (MIMAS). Its large size of 3 MDa explains why MIMAS has escaped detection in the analysis of mitochondria so far. MIMAS combines proteins of diverse functions from respiratory chain assembly to metabolite transport, dehydrogenases, and lipid biosynthesis but not the large established supercomplexes of the respiratory chain, ATP synthase, or prohibitin scaffold. MIMAS integrity depends on the non-bilayer phospholipid phosphatidylethanolamine, in contrast to respiratory supercomplexes whose …
Developmental Patterns Underlying Variation In Form And Function Exhibited By House Gecko Toe Pads, Aaron H. Griffing, Tony Gamble, Ashmika Behere, Timothy E. Higham, Greta M. Keller, John Resener, Thomas J. Sanger
Developmental Patterns Underlying Variation In Form And Function Exhibited By House Gecko Toe Pads, Aaron H. Griffing, Tony Gamble, Ashmika Behere, Timothy E. Higham, Greta M. Keller, John Resener, Thomas J. Sanger
Biological Sciences Faculty Research and Publications
Adhesive toe pads have evolved numerous times over lizard evolutionary history, most notably in geckos. Despite significant variation in adult toe pad morphology across independent origins of toe pads, early developmental patterns of toe pad morphogenesis are similar among distantly related species. In these distant phylogenetic comparisons, toe pad variation is achieved during the later stages of development. We aimed to understand how toe pad variation is generated among species sharing a single evolutionary origin of toe pads (house geckos—Hemidactylus). We investigated toe pad functional variation and developmental patterns in three species of Hemidactylus, ranging from highly …
Facilitative And Competitive Interactions Among Dune Grass Species In Monoculture And Polyculture Communities, Anne M. Sciolino
Facilitative And Competitive Interactions Among Dune Grass Species In Monoculture And Polyculture Communities, Anne M. Sciolino
Theses and Dissertations
Coastal dunes are natural barriers between land and sea and are imperative to the protection and preservation of inland ecosystems and human infrastructure. However, due to global warming, seal level rise, and coastal development, coastal dunes are under constant threat of destruction. Restoration efforts have been implemented to rebuild the protective function of dunes through the planting of dune building grasses. Dune grasses build and maintain these vital sand dunes. However, little is known about facilitative and competitive relationships among the grasses. In order to maximize restoration efforts, research is needed to better understand the biotic interactions among restorative grass …
Evaluation Of Alternative Methods For Dna Recovery Of Compromised Skeletal Remains, Ciara N. Rhodes
Evaluation Of Alternative Methods For Dna Recovery Of Compromised Skeletal Remains, Ciara N. Rhodes
Theses and Dissertations
Skeletal remains frequently serve as the sole source of genetic material available for developing a profile in cases concerning unidentified human remains or mass casualties. Nevertheless, as unidentified skeletal remains age and are exposed to uncontrolled environmental conditions, the success rates of conventional methods of bone analysis diminish significantly. The physical and mechanical processing of skeletal remains into fine powder for DNA isolation and downstream analysis can substantially impact the quality and quantity of recoverable genetic information. This concern may be exacerbated when dealing with degraded forensic skeletal remains. Few studies have explored whether pulverization of bone samples contributes to …
Opossums And Pathogens: A Survey Of Vector-Borne And Zoonotic Pathogens From Didelphis Virginiana In The Midwest, Usa, Cassandra C. P. Strehl
Opossums And Pathogens: A Survey Of Vector-Borne And Zoonotic Pathogens From Didelphis Virginiana In The Midwest, Usa, Cassandra C. P. Strehl
Masters Theses
Didelphis virginiana are at elevated risk of exposure to many zoonotic and vector-borne pathogens (ZVBP) as a result of their unfastidious diets, large geographic ranges, and diverse habitat types. Didelphis virginiana are synanthropic animals, which is concerning considering the spillover risk of pathogens D. virginiana present as a result. 81 D. virginiana from Ohio and Illinois were screened for Rickettsia spp., Mycoplasma spp., Borrelia burgdorferi, Trypanosoma cruzi, and apicomplexan pathogens. Live D. virginiana were trapped in wire cage traps to perform venipuncture for blood collection. Samples collected as roadkill or from animal control companies were dissected and spleen …
The Sewage Microbiome Dynamics Of Different Serving Neighborhoods In Charleston, Illinois, Sandra Chiamaka Okoye
The Sewage Microbiome Dynamics Of Different Serving Neighborhoods In Charleston, Illinois, Sandra Chiamaka Okoye
Masters Theses
The complex microbial ecosystem within sewage systems holds significant implications for environmental and public health. Unlike studies on wastewater treatment plant microbiomes, upstream sewage systems have not been studied widely. This research investigated the dynamic sewage microbiome across diverse serving neighborhoods in Charleston, Illinois, encompassing residential, hospital, industrial, and university areas. Drawing upon recent advancements in microbiome research, the study aimed to unravel the spatial and temporal variations in microbial structures. Three times between June to December 2023 sewage samples were collected from manholes in the areas mentioned above. Community DNA was extracted and sequenced for the V4-V5 region of …
Sediment Carbon Storage In Subtidal Beds Of The Invasive Seagrass Halophila Stipulacea Along An Extreme Water Depth Gradient, St. Thomas, U.S. Virgin Islands, Demian A. Willette, Kelsey M. Vaughn, Allie Durdall, Marilyn Brandt, Sophia Costa, Kristin Wilson Grimes
Sediment Carbon Storage In Subtidal Beds Of The Invasive Seagrass Halophila Stipulacea Along An Extreme Water Depth Gradient, St. Thomas, U.S. Virgin Islands, Demian A. Willette, Kelsey M. Vaughn, Allie Durdall, Marilyn Brandt, Sophia Costa, Kristin Wilson Grimes
Biology Faculty Works
Blue carbon ecosystems such as mangroves, salt marshes, and seagrass beds are found globally and are fundamental to fisheries production, storm surge protection, and carbon sequestration. The contribution of seagrass ecosystems to global carbon stocks is still not well understood, including in the United States Virgin Islands (USVI). No study has been published to-date assessing the sediment carbon density (SCD) in seagrass beds in the USVI. This study focused on the carbon storage ability of the invasive species, Halophila stipulacea, which is compact in size compared to common native seagrasses and has spread rapidly to become a dominant seagrass in …
Inhaling The Unseen: Exploring The Presence Of Microplastics In The Human Respiratory Tract, Kara Coffman-Rea
Inhaling The Unseen: Exploring The Presence Of Microplastics In The Human Respiratory Tract, Kara Coffman-Rea
Graduate Research Theses & Dissertations
Microplastics (plastic pieces less than 5 mm) have emerged as a pervasive form of pollution acknowledged as a universal threat to both environmental and human health. Their small size and widespread distribution pose significant risks to marine life, terrestrial ecosystems, and ultimately human health. Microplastics have been reported in food and drink items designated for human consumption, in cosmetics and consumer goods designed for human use, and within the air we breathe, each providing an entry route for microplastics to enter the human body. Recently, microplastic particles have been detected in a variety of human tissue samples (e.g., lung tissue). …
Longevity,Feeding Behavior, And Egg Production Of Adult House Flies (Musca Domestica) Provided With Potential Farm Foods, Anna Elise Grimenstein
Longevity,Feeding Behavior, And Egg Production Of Adult House Flies (Musca Domestica) Provided With Potential Farm Foods, Anna Elise Grimenstein
Graduate Research Theses & Dissertations
House flies (Musca domestica) are cosmopolitan pests to both humans and livestock, and they can vector many diseases. House flies are especially associated with livestock facilities, as adult flies lay eggs in rotting organic matter such as manure. While it is understood that the diet an adult fly receives can affect biological parameters such as longevity and egg production, not much research has been done to address foods that are accessible to house flies in their natural habitat. The present study examined the longevity, feeding behavior, and egg production rates of adult house flies given different foods they would have …
A Wasteside Story: Establishment And Evolution Of A Wastewater Surveillance Lab, Through The Pandemic And Beyond, Syed Shahrukh Hyder
A Wasteside Story: Establishment And Evolution Of A Wastewater Surveillance Lab, Through The Pandemic And Beyond, Syed Shahrukh Hyder
Graduate Research Theses & Dissertations
Wastewater based epidemiology is a fast growing and practical solution to monitor the spread of disease within a population. As the COVID-19 pandemic grounded the world to a standstill, methods to monitor its spread and prepare appropriate responses became vital to begin the return to normalcy. Such was the case in universities around the world where the campus and surrounding community were vital in fulfilling the educational mission in the face of a generational health crisis. The population in a midsize higher educational institute such as Northern Illinois University (NIU) is a broad mix of on-campus and off campus students, …
The Energetics Of Seasonality In Wild Diademed Sifaka (Propithecus Diadema): A Technical And Biological Validation Of Fecal Triiodothyronine Radioimmunassay, Casey Farmer
Graduate Research Theses & Dissertations
The energetic state of an animal has vital consequences for its fitness, but it can be difficult to detect through behavioral observations. The development of techniques to determine an animals’ energetic state non-invasively would allow conservation planners to rapidly assess the energy balance and conservation potential of individuals, groups, and populations. Thyroid hormones like triiodothyronine (T3) regulate and reflect metabolic state in mammals. T3 is a non-invasive biomarker that can be detected in feces and could potentially be used for this purpose. I perform the first validation of a commercially available T3 radioimmunoassay designed for humans on a wild strepsirrhine …
Evaluation Of Conservation Strategies For Blanding’S Turtles (Emydoidea Blandingii), Callie Klatt Golba
Evaluation Of Conservation Strategies For Blanding’S Turtles (Emydoidea Blandingii), Callie Klatt Golba
Graduate Research Theses & Dissertations
Across the globe, biodiversity is threatened due to anthropogenic changes to the environment and large numbers of freshwater species, especially turtles, are facing population declines. Resources for conservation are limited, making empirically based conservation planning of utmost importance. Effective management strategies incorporate relevant biological information to outline specific and feasible actions that will mitigate the greatest threats to a species. Blanding’s Turtles (Emydoidea blandingii) are a long-lived, semi-aquatic, freshwater species that are classified as endangered in Illinois and internationally. As with other species of concern, Blanding’s Turtles are threatened by habitat loss, fragmentation, and degradation. They are also threatened by …
Ascertaining A Biochemical Approach To Chlorophyll D Biosynthesis In Acaryochloris Spp., Rashmi Shivni
Ascertaining A Biochemical Approach To Chlorophyll D Biosynthesis In Acaryochloris Spp., Rashmi Shivni
Graduate Research Theses & Dissertations
Photosynthesis is one of the most abundant metabolic systems on Earth, and specifically, oxygenic photosynthesis primed the planet for complex, multicellular life. The hallmark of modern oxygenic photosynthesis is the photopigment chlorophyll a found in nearly all oxygenic phototrophs as their primary photopigment in their photosynthesis pathways. There are also many organisms that tap into a variety of chlorophylls to extend the energetic limits of photosynthesis, which are largely found as accessory pigments. One genus of cyanobacteria, Acaryochloris, has garnered attention for the ability to undergo photosynthesis by harnessing the far-red part of the visible light spectrum using chlorophyll d …
An Environmental Isolate Of Pseudomonas, 20ei1, Reduces Aspergillus Flavus Growth In An Iron-Dependent Manner Affecting The Expression Of Numerous Genes, Elizabeth Marion Wyman
An Environmental Isolate Of Pseudomonas, 20ei1, Reduces Aspergillus Flavus Growth In An Iron-Dependent Manner Affecting The Expression Of Numerous Genes, Elizabeth Marion Wyman
Graduate Research Theses & Dissertations
Aspergillus flavus is an opportunistic pathogenic fungus that infects oilseed crops worldwide. When colonizing the plants, it produces mycotoxins, including carcinogenic compounds such as aflatoxins. Mycotoxin contamination results in an important economic and health impact. The design of new strategies to control A. flavus colonization and mycotoxin contamination is paramount. In this study, we identified a promising new isolate of Pseudomonas spp., 20EI1, and observed that it is able to reduce the growth of A. flavus AF70. Furthermore, we determined that this growth inhibition is iron-dependent. To further elucidate the nature of this bacterial-fungus interaction, we performed metabolomics and transcriptomics …
Bidirectional In-Situ Analysis And Visualization Of Fluid Structure Interactions With Applications In Blood Flow, Nazariy Tishchenko
Bidirectional In-Situ Analysis And Visualization Of Fluid Structure Interactions With Applications In Blood Flow, Nazariy Tishchenko
Graduate Research Theses & Dissertations
Interactive blood flow simulation has applications in the understanding of complex fluids,training medical professionals, diagnostics, and surgical procedure planning. Bidirectional in situ visualization and analysis are much needed to streamline the analysis of large-scale patient-specific blood flow simulations. The in situ component ensures the live visualization of the simulation results while the simulation is running, and the bidirectional component allows for real-time control and configuration of the simulation parameters (i.e., setting and retrieving the simulation parameters and data based on need). In this project, a highly accurate multiphysics simulation was instrumented to work with an existing bidirectional in situ framework. …
The Glutamine-Asparagine Interplay: Exploring The Role Of Asparagine Synthetase In Hepatocellular Cancer Cells, Babatunde George Olawuni
The Glutamine-Asparagine Interplay: Exploring The Role Of Asparagine Synthetase In Hepatocellular Cancer Cells, Babatunde George Olawuni
Graduate Research Theses & Dissertations
Hepatocellular Carcinoma (HCC) is a liver cancer that accounts for a significant proportion of cancer-related deaths globally; likewise, as the primary metabolic regulatory center in the body, the liver undergoes profound metabolic shifts in carcinogenesis, with net glucose and glutamine consumption. Much attention has been focused on the myriad roles of glutamine in supporting cellular growth over the past several decades, but more recently, the relationship between glutamine and the other amide-bearing amino acid, asparagine, has garnered attention. Asparagine is synthesized from glutamine, aspartic acid, and ATP via the enzyme Asparagine Synthetase (ASNS). Extracellular asparagine reliance has been targeted in …
Effects Of Isoacids Supplementation In Lactating Cows’ Diet Varying In Forage Fiber Level On Performances, Feed Efficiency, And Milk Fatty Acids Profile, Sumon Ahmed
Electronic Theses and Dissertations
No abstract provided.
Automatic Detection Of Birds In Images Acquired With Remotely Piloted Aircraft For Managing Wildlife Strikes To Civil Aircraft, Maurycio Rodrigues Oviedo, Flavio A. C. Mendonca Ph.D., Jose Cabrera, Cole A. Mcnall, Raymond Ayres, Ricardo Luís Barbosa, Rodrigo Gallis
Automatic Detection Of Birds In Images Acquired With Remotely Piloted Aircraft For Managing Wildlife Strikes To Civil Aircraft, Maurycio Rodrigues Oviedo, Flavio A. C. Mendonca Ph.D., Jose Cabrera, Cole A. Mcnall, Raymond Ayres, Ricardo Luís Barbosa, Rodrigo Gallis
International Journal of Aviation, Aeronautics, and Aerospace
Wildlife strikes represent a significant threat to aviation safety and economics, as evidenced by notable incidents such as the emergency landing of US Airways Flight 1549 in 2009. The Federal Aviation Administration (FAA) acknowledges this growing concern, as evidenced by its report on Wildlife Strikes to Civil Aircraft in the United States from 1990 to 2019.To address the need for improved risk management, airports conduct Wildlife Hazard Assessments (WHA), a laborious process typically relying on visual identification by Qualified Airport Wildlife Biologists (QAWB). However, technological advancements, such as Remotely Piloted Aircraft (RPA) and machine learning (ML), offer promising solutions to …
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) …
In Vitro Assessment Of The Anti-Biofilm Effectiveness Of Copper And Zinc Enhanced Borate Bioactive Glass Using Processed Microscopic Images, Sarah Fakher, David J. Westenberg
In Vitro Assessment Of The Anti-Biofilm Effectiveness Of Copper And Zinc Enhanced Borate Bioactive Glass Using Processed Microscopic Images, Sarah Fakher, David J. Westenberg
Biological Sciences Faculty Research & Creative Works
The escalating burden of nosocomial infections presents a formidable challenge to healthcare systems worldwide, leading to increased morbidity, prolonged hospital stays, and elevated healthcare costs. These infections are often resistant to conventional antibiotic therapies due to their association with biofilms which contribute to the persistence and resistance of pathogens. In addressing the challenge of biofilm-associated nosocomial infections, borate bioactive glasses (BBGs) have emerged as promising biomaterials. Doping these glasses with antimicrobial metals could potentially harness their antibacterial properties to prevent biofilm formation. This study undertakes a rigorous evaluation of the anti-biofilm efficacy of copper and zinc-doped BBGs by employing processed …