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Browsing Auburn Theses and Dissertations by Author "Wada, Haruka"
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Changes in Concentrations of Heat Shock Protein 60, 70 and 90 of a Wild Songbird in Responses to Distinct Stress Challenges
Fu, Xiaoyu (2013-01-09)
Wild songbirds, such as the House Finch (Carpodacus mexicanus) require physiological mechanisms to maintain the homeostasis in face of stress threats. One of the primary mechanisms to protect system integrity is production ...
Dietary mercury and stress responses: how lifetime exposure to mercury alters stress responses and their relationship to spatial cognition
Still, Shelby (2019-04-25)
Methylmercury is a widespread environmental contaminant that negatively impacts both humans and wildlife at sublethal levels. While environmental sources of methylmercury exist, the primary sources are anthropogenic, and ...
Do seasonal changes in developmental temperature have season-specific consequences in a lizard?
Pearson, Phillip (2016-12-09)
Rapidly changing environmental conditions can reduce the fitness of a phenotype. Phenotypic plasticity can solve this problem by enabling individuals to develop phenotypes that are suited to their immediate environment. ...
The Effect of Incubation Temperature on Sex and Morphology in the African Redhead Agama (Agama picticauda)
Steele, Ariel (2017-11-30)
The first demonstration of temperature-dependent sex determination (TSD) in a vertebrate was in the African redhead agama (Agama agama) nearly 50 years ago. The original study was generally overlooked until it was later ...
The effects of fluctuating embryonic incubation temperatures and nighttime light exposure on the physiology of zebra finches (Taeniopygia guttata)
Choi, Madeline (2022-06-29)
Anthropogenic effects, such as fluctuating incubation temperatures and light pollution, can have both behavioral and physiological impacts on an organism, particularly within avian species. Specifically, when parents leave ...
Effects of Periodic Cooling During Incubation on Lifelong Physiology in Zebra Finches
Rubin, Alexander (2019-04-16)
Developmental stress can have long term consequences on phenotypes. In birds, incubation temperature is critically deterministic for a range of traits. When parents leave the nest to forage, developing embryos can be exposed ...
Heat tolerance of reptile embryos in a changing world: Physiological mechanisms and ecological effects
Hall, Joshua Matthew (2020-07-09)
Aspects of global change (e.g. climate change, urbanization) create stressful thermal environments that threaten biodiversity. Oviparous, non-avian reptiles have received considerable attention because eggs are left to ...
The impact of maternal protein intake and litter size on organ and stress axis development in the house mouse (Mus musculus)
Chen, Chih-Wei (2015-07-24)
The phenotype of an individual is determined by interactions between its genotype and its surrounding environment. Through these interactions, an individual can express a greater range of characteristics than dictated by ...
Nesting ecology of reptiles: Effects of maternal nesting behavior and egg incubation environments on offspring phenotypes and fitness
Pruett, Jenna (2021-07-13) ETD File Embargoed
Understanding the role of the environment in shaping phenotypic variation has been a goal at the heart of evolutionary biology since its inception. Through the work that led to the modern synthesis framework, we see that ...
Oxidative and Endoplasmic Reticulum Stress in Response to Reproduction in the Female Mouse Brain
Taylor, Halie (2019-04-16)
Reproduction is associated with a significant increase in energetic demand, particularly among small female mammals. When these demands are high, or an animal is under stress, the cost of reproduction can reduce future ...
The persistent effects of stress during lactation on maternal and offspring mitochondria
Andreasen, Victoria (2020-07-13)
An increase of circulating glucocorticoids in reproductive females may augment allocation of resources towards self-maintenance and away from offspring. Thus, elevated circulating glucocorticoids may negatively affect ...
The Roles of Cytokinins and Cytokinin-N-Glucosides in Development and Gene Expression of Arabidopsis thaliana
Hallmark, Howard Tucker (2020-07-02)
The phytohormone cytokinin (CK) was first discovered over sixty years ago, and the decades following have produced an enormous amount of data about the various roles CK plays in intracellular signaling, gene expression, ...
Visual signal detection as a measure for sustained attention and short-term remembering in mice exposed to methylmercury during adolescence
Kendricks, Dalisa (2020-04-14)
Developmental methylmercury (MeHg) exposure is known to alter dopamine-mediated behavior associated with the prefrontal cortex. Exposure may be associated with symptoms of ADHD, such as inattention and impaired memory, ...