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Effect Of Torpor On Host Transcriptomic Responses To A Fungal Pathogen In Hibernating Bats, Kenneth A. Field, Brent J. Sewall, Jenni M. Prokkola, Gregory G. Turner, Marianne Gagnon, Thomas M. Lilley, J Paul White, Joseph S. Johnson, Christopher L. Hauer, DeeAnn M. Reeder 2018 Bucknell University

Effect Of Torpor On Host Transcriptomic Responses To A Fungal Pathogen In Hibernating Bats, Kenneth A. Field, Brent J. Sewall, Jenni M. Prokkola, Gregory G. Turner, Marianne Gagnon, Thomas M. Lilley, J Paul White, Joseph S. Johnson, Christopher L. Hauer, Deeann M. Reeder

Faculty Journal Articles

Hibernation, the use of prolonged torpor to depress metabolism, is employed by mammals to conserve resources during extended periods of extreme temperatures and/or resource limitation. Mammalian hibernators arouse to euthermy periodically during torpor for reasons that are not well understood and these arousals may facilitate immune processes. To determine if arousals enable host responses to pathogens, we used dual RNA‐Seq and a paired sampling approach to examine gene expression in a hibernating bat, the little brown myotis (Myotis lucifugus). During torpor, transcript levels differed in only a few genes between uninfected wing tissue and adjacent tissue infected with ...


Immune Function And Metabolism Of Hibernating North American Bats With White-Nose Syndrome, Briana Nicole Anderson 2018 Missouri State University

Immune Function And Metabolism Of Hibernating North American Bats With White-Nose Syndrome, Briana Nicole Anderson

MSU Graduate Theses

White-nose syndrome (WNS) causes substantial mortality in certain species of hibernating North American bats. The responsible agent is Pseudogymnoascus destructans (Pd), a fungus which causes physiological complications such as increased arousals and energy depletion during the hibernation season. Tricolored bats (Perimyotis subflavus) and northern long-eared bats (Myotis septentrionalis) suffer extensive WNS mortality, while gray bats (Myotis grisescens) and big brown bats (Eptesicus fuscus) are infected, but mortality is rarely observed. It is hypothesized that there is a difference in immune responses and/or hibernation metabolism between these bat species, resulting in this interspecific variation in disease severity. To test these ...


"Understanding Lgbtq+ Intimate Partner Violence & Challenges In, Dr. Juanita Yates 2018 National Louis University

"Understanding Lgbtq+ Intimate Partner Violence & Challenges In, Dr. Juanita Yates

Dissertations

This research project is a focus on Intimate Partner Violence (IPV) within LGBTQ+

community and the challenges associated with seeking family support. IPV is defined as a violent

or aggressive behavior within the home, typically involving the violent abuse of an intimate spouse

or partner. However, IPV can happen on the street, in one’s home or even in a public place. Those

exposed to IPV can be children, men and women. IPV is a prevalent issue in our society (Bright

2008). According to Ristock (2005), violence in LGBTQ+ relationships may be referred to as

partner violence, relationship violence, or ...


Escaping The Arrhenius Tyranny: Metabolic Compensation During Exposure To High Temperature In Daphnia, Bret L. Coggins 2018 East Tennessee State University

Escaping The Arrhenius Tyranny: Metabolic Compensation During Exposure To High Temperature In Daphnia, Bret L. Coggins

Electronic Theses and Dissertations

Poikilothermic organisms experience trade-offs by differential physiological demands generated by temperature extremes. Many such organisms exhibit acclimatory effects, adjusting their metabolism and physiology to recently experienced temperatures. One such acclimatory effect is metabolic compensation, the deceleration of biological rates below Arrhenius expectations. Daphnia magna is eurythermal, and if acclimated to mildly stressful temperatures first, survives longer in lethal temperatures. This study examined the effect of ambient temperature (5°C-37°C) and acclimation history (lifetime at 10°C or 25°C) on the oxygen consumption rates of 8 genotypes of Daphnia with high or low acute temperature tolerance. There were decelerations ...


Characteristics Of Helicopter Accidents Involving Male And Female Pilots, Scott S. Burgess, Robert O. Walton, P. Michael Politano 2018 Embry-Riddle Aeronautical University - Worldwide

Characteristics Of Helicopter Accidents Involving Male And Female Pilots, Scott S. Burgess, Robert O. Walton, P. Michael Politano

International Journal of Aviation, Aeronautics, and Aerospace

Studies examining aviation accidents have not found differences in accident rates by gender, though there may be gender differences in the types of accident. Baker, Lamb, Grabowski, and Rebok (2001) examined fixed-wing aviation accident rates of male and female private pilots and found that males were more likely to have accidents related to inattention or poor planning while female pilots were more likely to have accidents due to mishandling the aircraft. This research analyzed the National Transportation Safety Board’s aviation accident database system to examine the severity of injury and aircraft damage in rotary-wing (helicopter) accidents by gender. The ...


Developmental Ethanol Exposure Causes Reduced Feeding And Reveals A Critical Role For Neuropeptide F In Survival, Amanda Guevara, Hillary Gates, Brianna Urbina, Rachael French 2018 San Jose State University

Developmental Ethanol Exposure Causes Reduced Feeding And Reveals A Critical Role For Neuropeptide F In Survival, Amanda Guevara, Hillary Gates, Brianna Urbina, Rachael French

Faculty Publications

Food intake is necessary for survival, and natural reward circuitry has evolved to help ensure that animals ingest sufficient food to maintain development, growth, and survival. Drugs of abuse, including alcohol, co-opt the natural reward circuitry in the brain, and this is a major factor in the reinforcement of drug behaviors leading to addiction. At the junction of these two aspects of reward are alterations in feeding behavior due to alcohol consumption. In particular, developmental alcohol exposure (DAE) results in a collection of physical and neurobehavioral disorders collectively referred to as Fetal Alcohol Spectrum Disorder (FASD). The deleterious effects of ...


Developmental Ethanol Exposure Causes Reduced Feeding And Reveals A Critical Role For Neuropeptide F In Survival, Amanda Guevara, Hillary Gates, Brianna Urbina, Rachael L. French 2018 San Jose State University

Developmental Ethanol Exposure Causes Reduced Feeding And Reveals A Critical Role For Neuropeptide F In Survival, Amanda Guevara, Hillary Gates, Brianna Urbina, Rachael L. French

Rachael L. French

Food intake is necessary for survival, and natural reward circuitry has evolved to help ensure that animals ingest sufficient food to maintain development, growth, and survival. Drugs of abuse, including alcohol, co-opt the natural reward circuitry in the brain, and this is a major factor in the reinforcement of drug behaviors leading to addiction. At the junction of these two aspects of reward are alterations in feeding behavior due to alcohol consumption. In particular, developmental alcohol exposure (DAE) results in a collection of physical and neurobehavioral disorders collectively referred to as Fetal Alcohol Spectrum Disorder (FASD). The deleterious effects of ...


Ecological Implications Of Foraging And Life-History In Three Cold-Adapted Species, Andrew Von Duyke 2018 Michigan Technological University

Ecological Implications Of Foraging And Life-History In Three Cold-Adapted Species, Andrew Von Duyke

Dissertations, Master's Theses and Master's Reports

This research investigates the ecology of: ringed seals (Pusa hispida), moose (Alces alces), and bowhead whales (Balaena mysticetus). Each of these species draws upon specialized strategies to meet the physical demands of life in their extreme environments. However, they are currently experiencing unprecedented changes in their habitats. This work adds to what is known about the behavior, physiology, and population dynamics of cold-adapted species—providing insights of value for an improved understanding of foraging and life-history theory, and informing conservation and ecosystem monitoring efforts. Chapter 1 provides a brief introduction to the scope of work within this dissertation. Chapter 2 ...


Sex, Ethnicity, And Socioeconomic Status On Attitudes Toward Women As Managers And Perceived Career Impediment: A Study Of Young Adults In Malaysia, Li Teng Voon 2018 Cleveland State University

Sex, Ethnicity, And Socioeconomic Status On Attitudes Toward Women As Managers And Perceived Career Impediment: A Study Of Young Adults In Malaysia, Li Teng Voon

ETD Archive

The current study aims at examining the effects of sex, race, and socioeconomic status on young Malaysians; attitudes toward women as managers and the perceived barriers to their own careers. This paper also examined a moderated mediation, with the moderator being the working status of an individual's mother and the mediator being gender role attitudes. A great wealth of research in this area has been conducted in the Western culture, but much less is known about Malaysia and its young adults. This study provides a historical and sociocultural overview of Malaysia, and how its unique sociopolitical and societal structure ...


Twenty Years Of Spayvac® Research: Potential Implications For Regulating Feral Horse And Burro Populations In The United States, Ursula S. Bechert, Mark A. Fraker 2018 University of Pennsylvania

Twenty Years Of Spayvac® Research: Potential Implications For Regulating Feral Horse And Burro Populations In The United States, Ursula S. Bechert, Mark A. Fraker

Human–Wildlife Interactions

There are currently >75,000 feral horses (Equus ferus caballus) and burros (E. asinus ) on U.S. public lands, yet the Appropriate Management Level (AML) is set at just under 27,000. Wildlife managers, conservation biologists, and livestock ranchers are concerned about the impacts that these free-ranging horses have on shared rangelands. Immunocontraceptive vaccines may have the greatest potential to regulate horse population numbers once AML is reached; however, the vaccine must have multi-year efficacy to be both technically feasible and cost-effective. Immunocontraception based on porcine zona pellucida (PZP)-specific antigens is highly tissue-specific, targeting the ova, and blocking sperm ...


Searching For Potential Binding Partners Of Arabidopsis Β-Amylase9 Using Yeast 2-Hybridization, Sheikh Hossain 2018 James Madison University

Searching For Potential Binding Partners Of Arabidopsis Β-Amylase9 Using Yeast 2-Hybridization, Sheikh Hossain

Senior Honors Projects, 2010-current

In plants, starch is a major carbon and energy storage compound. Starch is made as a product of photosynthesis while plants are in light and is degraded at night. Our lab is interested in the cellular mechanism of starch degradation in plants and for our studies we use Arabidopsis thaliana as a model. β-amylases are primarily responsible for the hydrolysis of starch in plants and a total of nine β-amylases genes are encoded in Arabidopsis thaliana. These nine genes are identified as BAM1-9. BAM9 is located in the chloroplast where starch is located, and is present is all ...


The Vibe, Sarah P. Douglass 2017 City University of New York (CUNY)

The Vibe, Sarah P. Douglass

Capstones

The Vibe is a long-form narrative about where tech is taking the female orgasm. The piece concludes that physiological research is a required next step when creating the climax of the future.

http://sarahpdouglass.com


Multigeneration Effects Of Chronic Exposure To Polycyclic Aromatic Hydrocarbons In Gulf Killifish (Fundulus Grandis), Andrea Yammine 2017 Louisiana State University at Baton Rouge

Multigeneration Effects Of Chronic Exposure To Polycyclic Aromatic Hydrocarbons In Gulf Killifish (Fundulus Grandis), Andrea Yammine

LSU Master's Theses

The goal of this study was to examine potential adaptation within two generations of Gulf killifish exposed to polycyclic aromatic hydrocarbons (PAH) while also investigating the use of mucus as an effective and non-lethal alternative to determine concentrations of 11-ketotestosterone (11-KT) and vitellogenin (VTG) of F. grandis. Multiple biomarkers were used to assess adaptation within these fish, such as lysozyme (enzyme critical in innate immunity), and 11-ketotestosterone and vitellogenin (endocrine hormones often affected by PAHs).

Mucal concentrations of 11-KT and VTG were determined and evaluated for effectiveness through comparative assays with blood plasma. This method was then applied to evaluate ...


Production Of A Gonadotropin-Releasing Hormone 2 Receptor Knockdown (Gnrhr2 Kd) Swine Line., Amy T. Desaulniers, Rebecca Middleton, Ginger A. Mills, Clay A. Lents, Brett R. White 2017 University of Nebraska-Lincoln

Production Of A Gonadotropin-Releasing Hormone 2 Receptor Knockdown (Gnrhr2 Kd) Swine Line., Amy T. Desaulniers, Rebecca Middleton, Ginger A. Mills, Clay A. Lents, Brett R. White

Faculty Papers and Publications in Animal Science

Swine are the only livestock species that produce both the second mammalian isoform of gonadotropin-releasing hormone (GNRH2) and its receptor (GNRHR2). Previously, we reported that GNRH2 and GNRHR2 mediate LH-independent testosterone secretion from porcine testes. To further explore this ligand-receptor complex, a pig model with reduced GNRHR2 expression was developed. Small hairpin RNA sequences targeting porcine GNRHR2 were subcloned into a lentiviral-based vector, lentiviral particles were generated and microinjected into the perivitelline space of zygotes, and embryos were transferred into a recipient. One GNRHR2 knockdown (KD) female was born that subsequently produced 80 piglets from 6 litters with 46 hemizygous ...


Designing An Authentic Behavioral Research Experience In The Classroom Using Siamese Fighting Fish, Betta Splendens, Gianne Souza, Ronald M. Coleman 2017 Abraham Lincoln High School

Designing An Authentic Behavioral Research Experience In The Classroom Using Siamese Fighting Fish, Betta Splendens, Gianne Souza, Ronald M. Coleman

STAR (STEM Teacher and Researcher) Presentations

Recently there have been major shifts in biology education towards emphasizing the teaching of the scientific process to more closely reflect actual scientific practices. Authentic research experiences require the development of many higher order cognitive skills. Creating an authentic research experience that appropriately scaffolds the development of these complex skills while engaging individual student motivation remains challenging in classroom settings. Some common challenges include limited time available for working with large numbers of students, cramped working areas, and limited funding and materials resources. Using the Siamese Fighting Fish, Betta splendens, we have created an economically viable authentic animal behavioral research ...


Capacitive Memory Alters Alternans And Spontaneous Activity In A Minimal Cardiomyocyte Model, Tien Comlekoglu, Seth H. Weinberg 2017 Virginia Commonwealth University

Capacitive Memory Alters Alternans And Spontaneous Activity In A Minimal Cardiomyocyte Model, Tien Comlekoglu, Seth H. Weinberg

Biology and Medicine Through Mathematics Conference

No abstract provided.


Growth Patterns And Size-Group Interactions In Hatchery-Reared Age-0 Lake Sturgeon, Joseph M. Susco 2017 Northern Michigan University

Growth Patterns And Size-Group Interactions In Hatchery-Reared Age-0 Lake Sturgeon, Joseph M. Susco

All NMU Master's Theses

Raising lake sturgeon (Acipenser fulvescens) in hatcheries is an important tool for rehabilitation and conservation, but is expensive. When hatchery sturgeon do not grow large enough before stocking, their odds of survival decline significantly and resources are wasted. We investigated the potential limiting effect of large lake sturgeon on the growth rate of smaller conspecifics housed in the same tank, and the possibility of increasing growth rates by separating individuals into different size classes. We also examined plasma cortisol levels of the different size classes over time as an indicator of stress levels, and levels of free plasma thyroid hormones ...


Undergraduate Research On General Aviation Hypoxia: A Student's Perspective, Timothy B. Holt, Jacqueline Luedtke, Claire G. Schindler 2017 Embry-Riddle Aeronautical University

Undergraduate Research On General Aviation Hypoxia: A Student's Perspective, Timothy B. Holt, Jacqueline Luedtke, Claire G. Schindler

Publications

The problem this study addresses is the uncertainty of the common circumstances that general aviation pilots find themselves in that create a hypoxic state, as well as whether or not that pilot reported the occurrence to the proper establishments. The results of this study showed not only those that were impacted the greatest by hypoxia, but also a caring concern for reporting these events. The key elements for this research were:

• Level of flying experience that encountered hypoxia

• Reporting statistics

• Reasons for not reporting the event

• Suggestions for bettering flight physiology training


The Effect Of Incline On Caloric Expenditure Measured By A Wrist-Worn Commercial Activity Monitor, Kaitlin M. Bickel 2017 James Madison University

The Effect Of Incline On Caloric Expenditure Measured By A Wrist-Worn Commercial Activity Monitor, Kaitlin M. Bickel

Senior Honors Projects, 2010-current

Purpose Physical activity monitors have become popular among the general public to monitor steps, floors climbed, active minutes, and energy expenditure (EE). While there is evidence to support that these devices are accurate in counting steps, there is limited and inconclusive research regarding how accurate they are in measuring EE. This study aimed to test the accuracy of a newer commercial physical activity monitor, the Fitbit Charge (FC), in reporting EE compared to a research-grade accelerometer (GT3X), and indirect calorimetry (IC) while walking on a treadmill with and without incline.

Methods 30 subjects (22 female and 8 male) walked on ...


Impacts Of Long-Term Precipitation Manipulation On Hydraulic Architecture, Xylem Function, And Canopy Status In A Piñon-Juniper Woodland, Patrick J. Hudson 2016 University of New Mexico

Impacts Of Long-Term Precipitation Manipulation On Hydraulic Architecture, Xylem Function, And Canopy Status In A Piñon-Juniper Woodland, Patrick J. Hudson

Biology ETDs

The Southwestern US is predicted to become hotter and drier, as global climate change forces increasing temperatures and variability in timing and size of precipitation inputs. Drought stress has become more frequent in recent decades, and resulted in massive forest mortality in piñon-juniper woodlands. During recent severe droughts (2000-2003, 2009-2012), piñon pine (Pinus edulis Englem.) suffered disproportionately high mortality compared to co-occurring one-seed juniper (Juniperus monosperma [Engelm.] Sarg.). A large-scale precipitation manipulation experiment was established in a piñon-juniper woodland in central New Mexico to test hypotheses regarding tree survival and mortality with respect to altered water regimes. Our treatments consisted ...


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