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Laboratory and Basic Science Research Commons™
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Articles 1 - 5 of 5
Full-Text Articles in Laboratory and Basic Science Research
Drivers Of Extracellular Polysaccharide Production By A Mat-Forming Diatom, Kaitlin A. Stansbury
Drivers Of Extracellular Polysaccharide Production By A Mat-Forming Diatom, Kaitlin A. Stansbury
FIU Electronic Theses and Dissertations
Microbial biofilms are held together by extracellular polymeric substances (EPS), which can be secreted by many organisms. EPS production can facilitate intercellular communication and inter-guild microbial mutualisms, intraspecific gamete exchange, nutrient sequestration, and desiccation resistance. Benthic microbial mats (periphyton) of the Florida Everglades and other karstic wetlands contain abundant EPS generated by mat-producing filamentous blue-green algae and many other species of mat-dwelling algae, cyanobacteria, and bacteria, including the most abundant Everglades diatom, Mastagloia calcarea. The benthic diatom genus Mastogloia is characterized by several morphological and physiological features that foster production of a ‘halo’ of EPS around the frustule, but the …
The Relationship Between Climate And Nesting Patterns In Two-Lined Salamanders Spanning The Northeast To Southeast United States, Jasmyne Blake-Sinclair
The Relationship Between Climate And Nesting Patterns In Two-Lined Salamanders Spanning The Northeast To Southeast United States, Jasmyne Blake-Sinclair
Symposium of Student Scholars
Two-lined salamanders (Eurycea bislineata species complex) are among the most ubiquitous amphibians in the Eastern United States. Because this group is geographically widespread and shows notable life history variation, it provides an opportunity to study the role of phylogeny and environment in shaping these differences. However, records of some important life history traits—such as clutch size and the date of oviposition—are scarce in the scientific literature. In this study, we gathered observations from published research, field notes, and citizen science databases like iNaturalist—a site where anyone can share natural history photographs and pinned geographical locations for other users to …
Comparative Genomics Methods And Applications, Emily N. Alden
Comparative Genomics Methods And Applications, Emily N. Alden
Biomedical Sciences ETDs
Virtually all fields of biology have benefited from the advancements in comparative genomics technologies, specifically in the study of evolution. In this dissertation I develop and use comparative genomic technologies to investigate the novel SARS-CoV-2 virus, assembly the first genome of the black lace domestic angelfish and identify germline genetic variants associated with altered breast cancer-specific survival. Our genome tiling array for the novel coronavirus presents a rapid and cost-effective method to sequence the entire viral genome and can be used to track the rapid evolution of viral variants in the population. The domestic angelfish is a member of the …
The Effect Of Changing Substrate On Arctic Aquatic Invertebrates Abundance, Tom Dolman
The Effect Of Changing Substrate On Arctic Aquatic Invertebrates Abundance, Tom Dolman
Michael D. Wilson Symposium
Climate change is directly affecting tundra ecosystems in northern regions, and warming temperatures have caused discontinuous permafrost and thawing sediments across the region. This project investigates how increasing erosion and the foraging patterns of migratory snow geese may degrade habitat for aquatic invertebrates in the upper Mast River, located in Wapusk National Park, Manitoba, Canada. In the past two decades, many of the important species of aquatic invertebrates have shown declines. Declining invertebrate populations are predicted to affect aquatic ecosystems and decrease the resources available to shorebirds and waterfowl, which breed and migrate through this area.
Morph- And Sex-Specific Differences In Corticosterone Of The Arizona Tiger Salamander (Ambystoma Mavortium Nebulosum), Megan Zerger
Morph- And Sex-Specific Differences In Corticosterone Of The Arizona Tiger Salamander (Ambystoma Mavortium Nebulosum), Megan Zerger
Scholars Week
Life history morph, sex, and body condition are traits that may influence stress within salamander populations because of differences in physiology and environmental conditions. Given widespread declines and the effects chronic stress can have on amphibian health, it is important to understand within-population drivers of stress and how population level variation may influence population viability. Thus, the objective of our study was to assess how corticosterone varies within the Arizona tiger salamander (Ambystoma mavortium nebulosum) population at the Mexican Cut Nature Preserve. We used a non-invasive skin swabbing method to collect baseline and elevated corticosterone from paedomorph (aquatic …