Open Access. Powered by Scholars. Published by Universities.®

Life Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

241,665 Full-Text Articles 322,607 Authors 64,587,213 Downloads 446 Institutions

All Articles in Life Sciences

Faceted Search

241,665 full-text articles. Page 1 of 6568.

The Neurobiology Of The Healing Arts: Expressive Arts Therapy As An Effective Treatment For Adults Diagnosed With Complex Ptsd Due To Complex Trauma In Childhood: A Literature Review, Cheryl Ratliff 2022 Lesley University

The Neurobiology Of The Healing Arts: Expressive Arts Therapy As An Effective Treatment For Adults Diagnosed With Complex Ptsd Due To Complex Trauma In Childhood: A Literature Review, Cheryl Ratliff

Expressive Therapies Capstone Theses

Empirically based therapies for posttraumatic stress disorder (PTSD) have been found to be less effective in treating more severe trauma presentations such as complex PTSD (CPTSD). Neurobiological investigation provides a framework for examining the physical and psychological effects of trauma on brain and nerve structures and provides insight into how to effectively treat CPTSD. This literature review examined symptomology of CPTSD resulting from complex trauma in childhood, neurobiological effects of trauma and their implications for treatment, and the efficacy of the current treatment models, primarily those of eye movement desensitization and reprocessing (EMDR), narrative exposure therapy (NET), and somatic psychotherapies ...


Eukaryotic Initiation Factor 3 Interactions With Structural Elements Of Barley Yellow Dwarf Virus Untranslated Regions Reveal Details Of A New Cap-Independent Translation Initiation Model, Paul S. Powell 2022 The Graduate Center, City University of New York

Eukaryotic Initiation Factor 3 Interactions With Structural Elements Of Barley Yellow Dwarf Virus Untranslated Regions Reveal Details Of A New Cap-Independent Translation Initiation Model, Paul S. Powell

Dissertations, Theses, and Capstone Projects

Barley Yellow Dwarf Virus (BYDV) is a positive strand RNA plant virus that translates without using a 5′ 7-methylguanosine cap or a 3′ poly-adenosine tail, features that are required for canonical mRNA translation. BYDV’s non-canonical translation relies on RNA structures in the 5′ and 3′ untranslated regions (UTRs) to recruit eukaryotic initiation factors (eIFs) and ribosomes. BYDV’s 3′ translation enhancer (BTE) is a cruciform structure capable of recruiting the cap-binding complex eIF4F, the large scaffolding complex eIF3, and the 40S ribosomal subunit. Together eIF3, eIF4F, and BTE influence factor binding and 40S recruitment on the 5′ UTR and ...


Understanding Caribou Population Cycles, Jack R. St. John 2022 University of Montana

Understanding Caribou Population Cycles, Jack R. St. John

Undergraduate Theses, Professional Papers, and Capstone Artifacts

The complex population dynamics of caribou (Rangifer tarandus) were studied to determine the patterns of their population cycles and the processes driving them. It is well established, via previous archaeological research and Indigenous knowledge, that large migrating caribou herds found in and around the tundra at northern latitudes experience population boom and busts roughly every several decades. However, the processes driving the dynamics of these cycles are relatively unknown, which makes managing caribou herds for recreational and subsistence harvests difficult. It has been hypothesized that a combination of intrinsic and extrinsic factors shape these cycles, with density-dependence, predation, harvest, climate ...


The Role Of Edge Effects On Emerald Ash Borer Infestation And Forest Responses, Bronte Hoefer 2022 Hollins University

The Role Of Edge Effects On Emerald Ash Borer Infestation And Forest Responses, Bronte Hoefer

Undergraduate Honors Theses

The emerald ash borer (EAB; Agrilus planipennis) is a buprestid beetle native to Asia, classified as an invasive species in North America. EAB infests trees of genus Fraxinus (ash) and has spread to 35 states since its introduction in the early to mid-1990s. Notably, EAB has the potential to functionally extirpate all native ash species in North America. Our study aims to characterize the ecological impacts of EAB infestation in the Roanoke Valley of Southwest Virginia, to quantify the impact of edge effects on EAB forest invasion and mortality of ash trees, as well as investigate the role that forest ...


Characterization And Manipulation Of O-Glcnacylation In Granulosa Cells Of Bovine Ovarian Antral Follicles, Abigail Marie Maucieri 2022 University of Vermont

Characterization And Manipulation Of O-Glcnacylation In Granulosa Cells Of Bovine Ovarian Antral Follicles, Abigail Marie Maucieri

Graduate College Dissertations and Theses

Glucose is widely recognized as the preferred energy substrate for metabolism by granulosa cells (GCs). Yet in most cells, 2-5% of glucose is shunted through the hexosamine biosynthesis pathway (HBP) for O-linked N-acetylglucosaminylation (O-GlcNAcylation). O-GlcNAcylation is an evolutionarily-conserved, post-translational process that modifies serine and threonine residues on a variety of proteins. O-GlcNAcylation is also considered a nutrient sensor that can regulate cellular processes such as metabolism, signal transduction, and proliferation. In this respect, O-GlcNAcylation may be similar to, and possibly mediate, AMP-activated protein kinase (AMPK) signaling and its nutrient-sensing actions. However, the occurrence of O-GlcNAcylation and its relative importance to ...


Physiological Functioning And Productivity In Eastern Cottonwood And Hybrid Poplars On Contrasting Sites In The Southeastern Us, Heidi Renninger 2022 Mississippi State University

Physiological Functioning And Productivity In Eastern Cottonwood And Hybrid Poplars On Contrasting Sites In The Southeastern Us, Heidi Renninger

College of Forest Resources Publications and Scholarship

No abstract provided.


Determining Effects Of Management Practices On Potato Early Dying And Soil Microbiome And Assessing Risk Of Fungicide Resistance In Verticillium Dahliae, Kedi Li 2021 The University of Maine

Determining Effects Of Management Practices On Potato Early Dying And Soil Microbiome And Assessing Risk Of Fungicide Resistance In Verticillium Dahliae, Kedi Li

Electronic Theses and Dissertations

Potato early dying (PED) is a yield-constraining soilborne disease of potato, caused by Verticillium spp. with V. dahliae being the predominant causal agent. Since the pathogen inhabits soil for long periods, PED management aims to reduce the population of V. dahliae in soil. Benzovindiflupyr and azoxystrobin are effective chemicals and frequently used in the control of V. dahliae. In this study, field trials were conducted at Aroostook Farm, Presque Isle, ME in 2019 and 2020. Chemical and biological products have been studied for PED control, and fungicide resistance was also examined. To evaluate fungicide resistance, benzovindiflupyr was characterized on sensitivity ...


A Protocol For Rapid And Parallel Isolation Of Myocytes And Non-Myocytes From Multiple Mouse Hearts., Gabriella E Farrugia, Michael A McLellan, Kate L Weeks, Aya Matsumoto, Charles D Cohen, Crisdion Krstevski, Taylah L Gaynor, Adam C Parslow, Julie R McMullen, Alexander R Pinto 2021 The Jackson Laboratory

A Protocol For Rapid And Parallel Isolation Of Myocytes And Non-Myocytes From Multiple Mouse Hearts., Gabriella E Farrugia, Michael A Mclellan, Kate L Weeks, Aya Matsumoto, Charles D Cohen, Crisdion Krstevski, Taylah L Gaynor, Adam C Parslow, Julie R Mcmullen, Alexander R Pinto

Faculty Research 2021

This protocol features parallel isolation of myocytes and non-myocytes from murine hearts. It was designed with considerations for (1) time required to extract cardiac cells, (2) cell viability, and (3) protocol scalability. Here, a peristaltic pump and 3D-printed elements are combined to perfuse the heart with enzymes to dissociate cells. Myocytes and non-myocytes extracted using this protocol are separated by centrifugation and/or fluorescence-activated cell sorting for use in downstream applications including single-cell omics or other bio-molecular analyses. For complete details on the use and execution of this protocol, please refer to McLellan et al. (2020).


Restoring Polyhyrdoxybutyrate (Phb) Depolymerase Expression In A Bald Mutant Of Streptomyces Sp. Sfb5a, Youmna Moawad 2021 Bridgewater College

Restoring Polyhyrdoxybutyrate (Phb) Depolymerase Expression In A Bald Mutant Of Streptomyces Sp. Sfb5a, Youmna Moawad

Honors Projects

Polyhydroxybutyrate (PHB) is a biodegradable, plastic-like polymer produced by some bacteria and degraded by others. The filamentous bacterium Streptomyces sp. SFB5A degrades PHB for growth using an extracellular PHB depolymerase, encoded by the phaZ gene. A morphological mutant of this bacterium, bld4, cannot form aerial filaments and cannot produce PHB depolymerase, despite having the phaZ gene. The inability to synthesize PHB depolymerase may be due to a mutation in a gene encoding one of its transcriptional regulators. A gene (lrp) coding for a potential transcriptional regulator is located 2,700 base pairs upstream from phaZ. Our goal was to clone ...


Rare And Low Frequency Genomic Variants Impacting Neuronal Functions Modify The Dup7q11.23 Phenotype, Farah Qaiser, Yue Yin, Carolyn B. Mervis, Colleen A. Morris, Bonita P. Klein-Tasman, Elaine Tam, Lucy R. Osborne, Ryan K.C. Yuen 2021 University of Toronto

Rare And Low Frequency Genomic Variants Impacting Neuronal Functions Modify The Dup7q11.23 Phenotype, Farah Qaiser, Yue Yin, Carolyn B. Mervis, Colleen A. Morris, Bonita P. Klein-Tasman, Elaine Tam, Lucy R. Osborne, Ryan K.C. Yuen

School of Medicine Faculty Publications

© 2021, The Author(s). Background: 7q11.23 duplication (Dup7) is one of the most frequent recurrent copy number variants (CNVs) in individuals with autism spectrum disorder (ASD), but based on gold-standard assessments, only 19% of Dup7 carriers have ASD, suggesting that additional genetic factors are necessary to manifest the ASD phenotype. To assess the contribution of additional genetic variants to the Dup7 phenotype, we conducted whole-genome sequencing analysis of 20 Dup7 carriers: nine with ASD (Dup7-ASD) and 11 without ASD (Dup7-non-ASD). Results: We identified three rare variants of potential clinical relevance for ASD: a 1q21.1 microdeletion (Dup7-non-ASD) and two ...


Local Environmental Variables Are Key Drivers Of Ant Taxonomic And Functional Beta-Diversity In A Mediterranean Dryland, Clara Frasconi Wendt, Ana Ceia-Hasse, Alice Nunes, Robin Verble, Giacomo Santini, Mário Boieiro, Cristina Branquinho 2021 Missouri University of Science and Technology

Local Environmental Variables Are Key Drivers Of Ant Taxonomic And Functional Beta-Diversity In A Mediterranean Dryland, Clara Frasconi Wendt, Ana Ceia-Hasse, Alice Nunes, Robin Verble, Giacomo Santini, Mário Boieiro, Cristina Branquinho

Biological Sciences Faculty Research & Creative Works

The decomposition of beta-diversity (β-diversity) into its replacement (βrepl) and richness (βrich) components in combination with a taxonomic and functional approach, may help to identify processes driving community composition along environmental gradients. We aimed to understand which abiotic and spatial variables influence ant β-diversity and identify which processes may drive ant β-diversity patterns in Mediterranean drylands by measuring the percentage of variation in ant taxonomic and functional β-diversity explained by local environmental, regional climatic and spatial variables. We found that taxonomic and functional replacement (βrepl) primarily drove patterns in overall β-diversity (βtot). Variation partitioning analysis showed ...


Acute Consumption Of A Sugar-Sweetened Beverage Impairs Microvascular Function In Midwestern Hispanic Males, Emma Hirshman, Anne R. Crecelius 2021 University of Dayton

Acute Consumption Of A Sugar-Sweetened Beverage Impairs Microvascular Function In Midwestern Hispanic Males, Emma Hirshman, Anne R. Crecelius

Health and Sport Science Faculty Publications

Hispanic males are at risk for cardiovascular disease and consume high levels of sugar-sweetened beverages (SSB); yet, their acute vascular response to SSBs is unknown. Ten healthy Hispanic men (18-45 years old) consumed a SSB and reactive hyperemia was performed prior to, immediately following, and 1-hr post-consumption. Both peak and total (area under the curve) forearm blood flow were attenuated immediately following consumption but returned to at or above pre-consumption levels at the 1-hr test.


The Effect Of Green Biobased Binder On Structural, Mechanical, Liquid Absorption And Wetting Properties Of Coated Papers, Bilge N. Altay, Charles Klass, Ting Chen, Alexandar Fleck, Cem Aydemir, Arif Karademir, Paul D. Fleming 2021 Rochester Institute of Technology

The Effect Of Green Biobased Binder On Structural, Mechanical, Liquid Absorption And Wetting Properties Of Coated Papers, Bilge N. Altay, Charles Klass, Ting Chen, Alexandar Fleck, Cem Aydemir, Arif Karademir, Paul D. Fleming

Articles

Synthetic styrene-butadiene (SB) and styrene-acrylic (SA) latex binders used in paper coating formulations are common and based on unsustainable petroleum sources. Today's papermaking industry turns towards sustainable substitutes that do not compromise quality, and reduce carbon emission, toxic substance release and waste disposal concerns related to fossil fuel sources. In this study, colloidal starch-based latex nanoparticles that do not require cooking were used for pigment coating and coated on the paper surfaces. The effects of these new biobased binders on the structural and mechanical strength properties, liquid absorption, wetting and surface topography of the paper were investigated and compared ...


Discerning The True Dilemma Of Diabetes Among Hispanics, Ramon Ponce 2021 Dominican University of California

Discerning The True Dilemma Of Diabetes Among Hispanics, Ramon Ponce

Nursing | Senior Theses

There is a common misconception that the primary role of nurses is to follow doctors’ orders and treat patients who are currently suffering and experiencing pain. Chronic illnesses such as diabetes can be prevented and better managed if the population who is greatest at risk is better informed and educated on the disease. Different cultures and ethnicities have different foods that unfortunately puts them at risk to get diabetes. Hispanics typically follow a diet that is high in carbohydrates, saturated fats, and sugars that greatly contribute to the development of diabetes. Often, Hispanics are not educated enough to comprehend the ...


Utilization Of The Uae Date Palm Leaf Biochar In Carbon Dioxide Capture And Sequestration Processes, Imen Ben Salem, Maisa El Gamal, Manish Sharma, Suhaib Hameedi, Fares M. Howari 2021 Zayed University

Utilization Of The Uae Date Palm Leaf Biochar In Carbon Dioxide Capture And Sequestration Processes, Imen Ben Salem, Maisa El Gamal, Manish Sharma, Suhaib Hameedi, Fares M. Howari

All Works

This paper evaluates the potential use of date palm leaf biochar as a climate change solution through CO2 capture and sequestration. The pyrolysis of date palm leaf was performed at different temperatures 300°, 400°, 500°, and 600 °C. The physicochemical characteristics of the synthesized biochar were examined using Scanning Electron Microscopy (SEM) with Energy Dispersive X-Ray Analysis (EDX), Fourier transforms infrared spectroscopy (FTIR), Thermogravimetric analysis (TGA), and X-ray diffraction analysis (XRD). Direct gas-solid interaction was carried out in an integrated Fluidized Bed Reactor (FBR), connected with a gas analyzer for maximum and effective mixing between the biochar and CO2. LabView ...


On Inter-Organizational Trust, Control And Risk In Transboundary Fisheries Governance, Gordon M. Hickey, Hunter T. Snyder, Jasper R. deVries, Owen Temby 2021 The University of Texas Rio Grande Valley

On Inter-Organizational Trust, Control And Risk In Transboundary Fisheries Governance, Gordon M. Hickey, Hunter T. Snyder, Jasper R. Devries, Owen Temby

Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

Inter-organizational collaboration is often considered essential to transboundary fishery governance, due, in part, to the high levels of task interdependence, the remote and often treacherous conditions, and the limited levels of information available to any policy actor on resource status. In the high seas, Regional Fisheries Management Organizations (RFMOs) are responsible for sustainably managing highly migratory and straddling fish stocks through the implementation of ecosystem-based approaches and ensuring adequate inter-jurisdictional cooperation. A central question facing RFMO governance is therefore how to structure and sustain inter-organizational transboundary collaboration under high uncertainty? This paper presents the case of the North Atlantic Salmon ...


Fear Of Large Carnivores Is Tied To Ungulate Habitat Use: Evidence From A Bifactorial Experiment, Haley K. Epperly, Michael Clinchy, Liana Y. Zanette, Robert A. McCeery 2021 University of Florida

Fear Of Large Carnivores Is Tied To Ungulate Habitat Use: Evidence From A Bifactorial Experiment, Haley K. Epperly, Michael Clinchy, Liana Y. Zanette, Robert A. Mcceery

Biology Publications

The fear large carnivores inspire in large ungulates has been argued to have cascading effects down food webs. However, a direct link between ungulate habitat use and their fear of large carnivores has not been experimentally tested. To fill this critical gap, we conducted a bi-factorial experiment in an African savanna. We removed shrub cover and broadcast large carnivore vocalizations (leopard, hyena, dog) or non-threatening control vocalizations in both experimentally cleared and shrubby control sites. We recorded the proactive (frequency of visitation) and reactive (fleeing or vigilance) responses of multiple prey (impala, warthog, nyala and bushbuck). Critically, we found a ...


Towards A More Comprehensive Understanding Of Wild Pig (Sus Scrofa) Impacts On Agricultural Producers: Insights From A Texas Case Study, Keith M. Carlisle, Nicole Didero, Sophie McKee, Julie Elser, Stephanie A. Shwiff 2021 Warner College of Natural Resources

Towards A More Comprehensive Understanding Of Wild Pig (Sus Scrofa) Impacts On Agricultural Producers: Insights From A Texas Case Study, Keith M. Carlisle, Nicole Didero, Sophie Mckee, Julie Elser, Stephanie A. Shwiff

USDA Wildlife Services - Staff Publications

This research investigates the impacts of invasive wild pigs (Sus scrofa Linneaus) on agricultural producers in Texas, with the aim of identifying and describing all categories of wild pig impacts and quantifying the extent of producers’ over- or underestimation of their total wild pig-related costs in 2018, as compared to calculations based upon data subsequently provided by the producers about individual wild pig-related costs and losses. Based on interviews with 23 producers in 16 Texas counties, we identified more than 20 discrete categories of negative impacts and negligible positive impacts associated with wild pigs. Among them were categories that have ...


Economic Estimates Of Wild Hog (Sus Scrofa) Damage And Control Among Young Forest Plantations In Alabama, Micah Fern, Rebecca Barlow, Chris Slootmaker, John Kush, Stephanie Shwiff, Larry Teeter, Jim Armstrong 2021 Union University

Economic Estimates Of Wild Hog (Sus Scrofa) Damage And Control Among Young Forest Plantations In Alabama, Micah Fern, Rebecca Barlow, Chris Slootmaker, John Kush, Stephanie Shwiff, Larry Teeter, Jim Armstrong

USDA Wildlife Services - Staff Publications

Operating as ecological engineers, the increased distribution and abundance of wild hogs (Sus scrofa) has caused considerable socio-economic impacts. The international scope of economic research providing wild hog damage estimates are often confined to agricultural crops, while damage estimates among forest plantations are lacking. In Alabama, private landowners hold the majority of timberland acreage and are less equipped to absorb financial losses from wild hog damage than their industrial counterparts. A survey was conducted to estimate the economic impact of wild hogs, namely costs of damage and control, to privately owned forestlands. The survey was distributed in the summer of ...


Reproductive Success Of Captive-Reared Allegheny Woodrats (Neotoma Magister) Released Into Genetically Depauperate Populations, Miracle M. Davis, Timothy J. Smyser, Scott A. Johnson, Joseph Duchamp, Jeffery L. Larkin, Robert K. Swihart, Jacqueline M. Doyle 2021 Towson University

Reproductive Success Of Captive-Reared Allegheny Woodrats (Neotoma Magister) Released Into Genetically Depauperate Populations, Miracle M. Davis, Timothy J. Smyser, Scott A. Johnson, Joseph Duchamp, Jeffery L. Larkin, Robert K. Swihart, Jacqueline M. Doyle

USDA Wildlife Services - Staff Publications

Habitat fragmentation and degradation have led to a proliferation of small and isolated populations that are vulnerable to genetic erosion. Reduction in habitat and concomitant declines in population connectivity can expediate the collapse of species that exist as natural metapopulations. In recent years, Allegheny woodrats (Neotoma magister) have experienced local extirpations and declines in genetic diversity across their range due to disease-related mortality, reduced food availability, and disruption of connectivity among subpopulations. In response, we developed a captive-breeding program to facilitate genetic management of isolated woodrat populations in Indiana. Between 2010 and 2012, 27 captive-reared individuals were released to four ...


Digital Commons powered by bepress