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Articles 211 - 240 of 558
Full-Text Articles in Biology
King Mackerel (Scomberomorus Cavalla), Aubrey L. Anthony, Erin Keeley, David Kerstetter
King Mackerel (Scomberomorus Cavalla), Aubrey L. Anthony, Erin Keeley, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from [length] cm total length (TL) King Mackerel (Scomberomorus Cavalla), collected from Bravo Market on 11/16/2021 by Aubrey Anthony
Tile Fish (Lopholatilus Villarii) Neurocranium, Maeya C. Yeatman, Sebastian K. Chan, David W. Kerstetter
Tile Fish (Lopholatilus Villarii) Neurocranium, Maeya C. Yeatman, Sebastian K. Chan, David W. Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Neurocranium from 12 cm total length (TL) Tile fish (Lopholatilus villarii), collected from Foodtown on 10/22/2021 by Maeya Yeatman and Sebastian Chan
Snook Neurocranium Scan Mello & Glanzmann, Christopher F. Glanzmann, Madison A. Mello
Snook Neurocranium Scan Mello & Glanzmann, Christopher F. Glanzmann, Madison A. Mello
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
This file is a 3D scan of a Snook Neurocranium. Snook head provided by DR. Kerstetter and scan performed by Chris Glanzmann and Madison Mello. Medium detail scan with a simplification ratio of 50.
Genome-Wide Association Study Reveals Genetic Variants Associated With Hiv-1c Infection In A Botswana Study Population, Andrey Shevchenko, Daria V. Zhernakova, Sergey Malov, Aleksey Komissarov, Sofia Kolchanova, Gaik Tamazian, Alexey Antonik, Nikolay Cherkasov, Sergey Kliver, Anastasiia Turenko, Mikhail Rotkevich, Igor Evsyukov, David Vlahov, Prisca K. Thami, Simani Gaseitsiwe, Vladimir Novitsky, Myron Essex, Stephen James O'Brien
Genome-Wide Association Study Reveals Genetic Variants Associated With Hiv-1c Infection In A Botswana Study Population, Andrey Shevchenko, Daria V. Zhernakova, Sergey Malov, Aleksey Komissarov, Sofia Kolchanova, Gaik Tamazian, Alexey Antonik, Nikolay Cherkasov, Sergey Kliver, Anastasiia Turenko, Mikhail Rotkevich, Igor Evsyukov, David Vlahov, Prisca K. Thami, Simani Gaseitsiwe, Vladimir Novitsky, Myron Essex, Stephen James O'Brien
Biology Faculty Articles
Although there have been many studies of gene variant association with different stages of HIV/AIDS progression in United States and European cohorts, few gene-association studies have assessed genic determinants in sub-Saharan African populations, which have the highest density of HIV infections worldwide. We carried out genome-wide association studies on 766 study participants at risk for HIV-1 subtype C (HIV-1C) infection in Botswana. Three gene associations (AP3B1, PTPRA, and NEO1) were shown to have significant association with HIV-1C acquisition. Each gene association was replicated within Botswana or in the United States–African American or United States–European American AIDS …
Bacterial Cooperation Through Horizontal Gene Transfer, Isaiah Paolo A. Lee, Omar T. Eldakar, J. Peter Gogarten, Cheryl P. Andam
Bacterial Cooperation Through Horizontal Gene Transfer, Isaiah Paolo A. Lee, Omar T. Eldakar, J. Peter Gogarten, Cheryl P. Andam
Biology Faculty Articles
Cooperation exists across all scales of biological organization, from genetic elements to complex human societies. Bacteria cooperate by secreting molecules that benefit all individuals in the population (i.e., public goods). Genes associated with cooperation can spread among strains through horizontal gene transfer (HGT). We discuss recent findings on how HGT mediated by mobile genetic elements promotes bacterial cooperation, how cooperation in turn can facilitate more frequent HGT, and how the act of HGT itself may be considered as a form of cooperation. We propose that HGT is an important enforcement mechanism in bacterial populations, thus creating a positive feedback loop …
Resource Allocation And Phenotypic Plasticity Of Simultaneous Hermaphroditic Turtle Barnacles (Chelonibia Testudinaria), Kevin C. Cash
Resource Allocation And Phenotypic Plasticity Of Simultaneous Hermaphroditic Turtle Barnacles (Chelonibia Testudinaria), Kevin C. Cash
All HCAS Student Capstones, Theses, and Dissertations
This research addresses the knowledge gap of phenotypic plasticity in a commonly found and important species of epizoic barnacle, Chelonibia testudinaria. Limited research has been published regarding how phenotypic expression is mediated the spatial distribution of barnacles on a mobile host. To investigate this potential relationship, barnacles were collected from the backs of turtles along the beaches of Fort Lauderdale Florida. These barnacles were assessed for various phenotypic traits as well as their corresponding spatial distribution on the turtle carapace. Barnacles were safely removed from the carapace using a chisel before their preservation in ethanol. Barnacles were then numbered …
Carpe Diem: Winner And Loser Effects Are Constrained To Same-Day Competitions In Collegiate Baseball, Omar Tonsi Eldakar, Natalie Buckwold, Andrew C. Gallup
Carpe Diem: Winner And Loser Effects Are Constrained To Same-Day Competitions In Collegiate Baseball, Omar Tonsi Eldakar, Natalie Buckwold, Andrew C. Gallup
Biology Faculty Articles
Competitive outcomes can be significantly influenced by previous experience of winning and losing, whereby all things considered, winners are likely to continue winning and losers are likely to keep losing. Although short-lived, the underlying hormonal changes associated with these effects have been observed into the following day. Here, we assess the functional persistence of winner and loser effects in college baseball by investigating outcomes (splits vs. sweeps) of multigame series played over one or more days. Results show that sweeps occur at disproportionately higher frequencies in single-day series, but drop off to expected levels for multiday series.
Internship At Levit Dermatology, Laser, And Cosmetic Surgery Center, Michelle Volis
Internship At Levit Dermatology, Laser, And Cosmetic Surgery Center, Michelle Volis
Trick to the Treat of Internships and Research
No abstract provided.
My Internship Experience At Vardy Orthodontics And Family Dentistry, Beanna Cumella
My Internship Experience At Vardy Orthodontics And Family Dentistry, Beanna Cumella
Trick to the Treat of Internships and Research
No abstract provided.
Research Opportunity For Freshmen And Sophomores, Katie E. Crump, Julie Torruellas Garcia, Emily Schmitt
Research Opportunity For Freshmen And Sophomores, Katie E. Crump, Julie Torruellas Garcia, Emily Schmitt
Trick to the Treat of Internships and Research
No abstract provided.
How To Actually Get An Internship, Zachary Lawrence
How To Actually Get An Internship, Zachary Lawrence
Trick to the Treat of Internships and Research
No abstract provided.
Telescribe Scribeamerica - Undergraduate Research Halmos College Of Arts And Sciences, Tanya Mariah
Telescribe Scribeamerica - Undergraduate Research Halmos College Of Arts And Sciences, Tanya Mariah
Trick to the Treat of Internships and Research
No abstract provided.
Summer Internship Program In Biomedical Research (Sip), Snigdha Marivada
Summer Internship Program In Biomedical Research (Sip), Snigdha Marivada
Trick to the Treat of Internships and Research
No abstract provided.
Crest Project: Protein Modeling Internship, Emily Schmitt Lavin, Lyla Abbas, Arthur Sikora, Pujita Julakanti, Feza Abbas, Sanjana Likki, Matthew Hunt, Carol Manikkuttiyil, Christo Manikkuttiyil, Carolina Alzamora
Crest Project: Protein Modeling Internship, Emily Schmitt Lavin, Lyla Abbas, Arthur Sikora, Pujita Julakanti, Feza Abbas, Sanjana Likki, Matthew Hunt, Carol Manikkuttiyil, Christo Manikkuttiyil, Carolina Alzamora
Trick to the Treat of Internships and Research
No abstract provided.
Trick To The Treat: Science Alive At Nova Southeastern University, Neha Joshi, Alina Poothurail, Shashank Nutalapati, Science Alive Team
Trick To The Treat: Science Alive At Nova Southeastern University, Neha Joshi, Alina Poothurail, Shashank Nutalapati, Science Alive Team
Trick to the Treat of Internships and Research
No abstract provided.
Md Anderson Summer Experience, Vijay Patel
Md Anderson Summer Experience, Vijay Patel
Trick to the Treat of Internships and Research
No abstract provided.
Md Anderson University Outreach Program, Rosha Chittuluru
Md Anderson University Outreach Program, Rosha Chittuluru
Trick to the Treat of Internships and Research
No abstract provided.
Shadowing Opportunity With Dr. Khan, Faraz Zia
Shadowing Opportunity With Dr. Khan, Faraz Zia
Trick to the Treat of Internships and Research
No abstract provided.
Bacteria Unearthed, Tassnime Sebaei, Mark Sourial
Bacteria Unearthed, Tassnime Sebaei, Mark Sourial
Trick to the Treat of Internships and Research
No abstract provided.
Periodically Disturbing The Spatial Structure Of Biofilms Can Affect The Production Of An Essential Virulence Factor In Pseudomonas Aeruginosa, Rebecca J. Quinn, Ivana Barraza, Laura García-Diéguez, Camryn Pajon, Lauren E. Krausfeldt, Kerollos Ibrahim, Laura A. Enzinna, Morgan E. Thorn, Omar Tonsi Eldakar, Travis J. A. Craddock, Robert P. Smith
Periodically Disturbing The Spatial Structure Of Biofilms Can Affect The Production Of An Essential Virulence Factor In Pseudomonas Aeruginosa, Rebecca J. Quinn, Ivana Barraza, Laura García-Diéguez, Camryn Pajon, Lauren E. Krausfeldt, Kerollos Ibrahim, Laura A. Enzinna, Morgan E. Thorn, Omar Tonsi Eldakar, Travis J. A. Craddock, Robert P. Smith
Biology Faculty Articles
Understanding the environmental factors that affect the production of virulence factors has major implications in evolution and medicine. While spatial structure is important in virulence factor production, observations of this relationship have occurred in undisturbed or continuously disturbed environments. However, natural environments are subject to periodic fluctuations, including changes in physical forces, which could alter the spatial structure of bacterial populations and impact virulence factor production. Using Pseudomonas aeruginosa PA14, we periodically applied a physical force to biofilms and examined production of pyoverdine. Intermediate frequencies of disturbance reduced the amount of pyoverdine produced compared to undisturbed or frequently disturbed conditions. …
Metaplasia Of Respiratory And Digestive Tissues In The Eastern Oyster Crassostrea Virginica Associated With The Deepwater Horizon Oil Spill, Deanne Roopnarine, Peter D. Roopnarine, Laurie C. Anderson, Ji Hae Hwang, Swati Patel
Metaplasia Of Respiratory And Digestive Tissues In The Eastern Oyster Crassostrea Virginica Associated With The Deepwater Horizon Oil Spill, Deanne Roopnarine, Peter D. Roopnarine, Laurie C. Anderson, Ji Hae Hwang, Swati Patel
Biology Faculty Articles
Metaplasia is a well documented and deleterious effect of crude oil components on bivalved molluscs, including oysters. This reversible transformation of one cell type to another, is a common response to petroleum-product exposure in molluscs. It has been shown experimentally in previous work that eastern oysters (Crassostrea virginica) exposed to petroleum products will exhibit metaplasia of digestive tissues. Here we document for the first time that wild adult oysters inhabiting coastal waters in the northern Gulf of Mexico during and in the aftermath of the Deepwater Horizon oil spill (2010) exhibited metaplasia in both ctenidia and digestive epithelia …
Summer To Autumn Population Of Wild Eumaeus Atala On The Ft. Lauderdale Campus Of Nova Southeastern University, Alexandra M. Lens
Summer To Autumn Population Of Wild Eumaeus Atala On The Ft. Lauderdale Campus Of Nova Southeastern University, Alexandra M. Lens
Mako: NSU Undergraduate Student Journal
Eumaeus atala is an endangered tropical butterfly native to the Caribbean and some parts of Florida, USA. Following population reductions primarily due to habitat loss, E. atala populations are now increasing due to conservation efforts of its cycad host plants, especially Zamia integrifolia (coontie). The purpose of this study was to observe, document, and measure the population of wild E. atala on the Ft. Lauderdale, Florida campus of Nova Southeastern University where landscaping use of host plants supports a natural population of E. atala. Forty-four host plants located in two different sites were observed for 14 weeks. One site …
Effects Of Covid-19 On Global Research In Stem, Michelle Hoang, Santanu De
Effects Of Covid-19 On Global Research In Stem, Michelle Hoang, Santanu De
Biology Faculty Articles
A global public health emergency like the Coronavirus Infectious Disease 2019 (COVID-19) pandemic requires accurate and timely data collection in the research community. High impact research in science, technology, engineering, and mathematics (STEM) has been prioritized in the fight against COVID-19. The present study investigated the impact of COVID-19 on STEM research and the collaboration between global research institutions and industries. It was noted that COVID-19 had caused significant delays in non-COVID-19-related research projects and the onset of several remote studies. Most importantly, researchers in the STEM fields directed their attention and expertise to help mitigate virus transmission, treat patients, …
Winner-Loser Effects Part 3, Omar T. Eldakar, Natalie Buckwold, Andrew C. Gallup
Winner-Loser Effects Part 3, Omar T. Eldakar, Natalie Buckwold, Andrew C. Gallup
Biology Faculty Datasets
The dataset is part of an investigation of patterns of wins and losses of two-, three-, and four-game collegiate baseball series for analysis of winner and loser, and residency effects. The dataset is a compilation of publicly available data from Atlantic 10, Conference USA, and Sunbelt conferences for the years 2015-2019.
Sexual Conflicts In Sand Tiger Sharks Carcharias Taurus (Rafinesque, 1810) In An Artificial Environment, Elizabeth Claus, Alan Henningsen, Mahmood Shivji, Bradley Wetherbee
Sexual Conflicts In Sand Tiger Sharks Carcharias Taurus (Rafinesque, 1810) In An Artificial Environment, Elizabeth Claus, Alan Henningsen, Mahmood Shivji, Bradley Wetherbee
Biology Faculty Articles
Understanding reproductive behaviours and the environmental conditions that facilitate reproduction is important for successful reproduction in managed care. Complex reproductive behaviours have been observed in both aquarium and free-ranging elasmobranchs. Sexual conflicts, including pre-copulatory behaviours in sand tiger sharks Carcharias taurus in managed care have been previously documented. This study reports observations that corroborate the previous accounts of reproductive behaviours as well as describing novel consexual conflicts between males and detailing the male dominance hierarchy in six sand tigers at the National Aquarium. The observations suggest that male behaviours are not strictly pre-copulatory, as consexual male conflicts occurred to the …
Genetic, Social And Behavioral Risk Factors Associated With Alzheimer’S Disease, Vineela Nagamalla, Jay Patel, Mir Saleem
Genetic, Social And Behavioral Risk Factors Associated With Alzheimer’S Disease, Vineela Nagamalla, Jay Patel, Mir Saleem
Biology Faculty Articles
Alzheimer’s disease (AD) is a neurodegenerative condition which consists of stages of mental, memory, and cognitive decline. As it continues to stand as the sixth leading cause of death in the U.S., 44 million people worldwide are affected. The objective of this paper is to explore the risk factors for AD in an attempt to examine potential causes for the incidence of AD. We examined genetics, lifestyle, and pre-existing conditions as risk factors for AD. We found that there are various alleles, such as APP, PSEN, ADAM, APOE, and TREM2, that play a role in the development of AD. It …
Experimental Evidence That Metapopulation Structure Can Accelerate Adaptive Evolution, Partha Pratim Chakraborty, Louis R. Nemzer, Rees Kassen
Experimental Evidence That Metapopulation Structure Can Accelerate Adaptive Evolution, Partha Pratim Chakraborty, Louis R. Nemzer, Rees Kassen
Chemistry and Physics Faculty Articles
Whether the spatial arrangement of a population influences adaptive evolution has been a long-standing question in population genetics. In contrast to standard population genetic models, evolutionary graph theory (EGT) predicts certain topologies amplify (increase) the probability that a beneficial mutation will spread in the population relative to a well-mixed population. Here, we test these predictions empirically by tracking the fixation dynamics of an antibiotic resistant mutant under positive selection as it spreads through networks of different topologies both in vitro and in silico. We show that star-like topologies involving bi-directional dispersal between a central hub and peripheral leaves can …
Stable Isotopes And Community Surveys Reveal Differential Use Of Artificial And Natural Reefs By South Florida Fishes, Christopher Blanar, Joseph R. Hornbeck, David Kerstetter, Amy Hirons
Stable Isotopes And Community Surveys Reveal Differential Use Of Artificial And Natural Reefs By South Florida Fishes, Christopher Blanar, Joseph R. Hornbeck, David Kerstetter, Amy Hirons
Biology Faculty Articles
Artificial reefs may enhance the biological production of reef-associated flora and fauna, but their trophic structure relative to that of natural reefs remains understudied. We assessed trophic relationships by 1) comparing reef fish communities and 2) comparing δ13C and δ15N in 43 fish species from both artificial reef sites and adjacent natural reef tracts in Broward County, Florida. We tested the effect of sampling location (artificial, first, and second reef), general feeding strategy (herbivore, omnivore, invertivore, and carnivore), phylogeny, and standard length on δ13C and δ15N. The reef fish communities of the artificial and natural reef tracts were significantly different; …
Toxoplasma Gondii Infections Are Associated With Costly Boldness Toward Felids In A Wild Host, Eben Gering, Zachary M. Laubach, Patty Sue D. Weber, Gisela Soboll Hussey, Kenna D. S. Lehmann, Tracy M. Montgomery, Julie W. Turner, Wei Perng, Malit O. Pioon, Kay E. Holekamp, Thomas Getty
Toxoplasma Gondii Infections Are Associated With Costly Boldness Toward Felids In A Wild Host, Eben Gering, Zachary M. Laubach, Patty Sue D. Weber, Gisela Soboll Hussey, Kenna D. S. Lehmann, Tracy M. Montgomery, Julie W. Turner, Wei Perng, Malit O. Pioon, Kay E. Holekamp, Thomas Getty
Biology Faculty Articles
Toxoplasma gondii is hypothesized to manipulate the behavior of warm-blooded hosts to promote trophic transmission into the parasite’s definitive feline hosts. A key prediction of this hypothesis is that T. gondii infections of non-feline hosts are associated with costly behavior toward T. gondii’s definitive hosts; however, this effect has not been documented in any of the parasite’s diverse wild hosts during naturally occurring interactions with felines. Here, three decades of field observations reveal that T. gondii-infected hyena cubs approach lions more closely than uninfected peers and have higher rates of lion mortality. We discuss these results in light …
Dental Calculus As A Proxy For Animal Microbiomes, Andrew T. Ozga, Claudio Ottoni
Dental Calculus As A Proxy For Animal Microbiomes, Andrew T. Ozga, Claudio Ottoni
Biology Faculty Articles
The field of dental calculus research has exploded in recent years, predominantly due to the multitude of studies related to human genomes and oral pathogens. Despite having a subset of these studies devoted to non-human primates, little progress has been made in the distribution of oral pathogens across domestic and wild animal populations. This overlooked avenue of research is particularly important at present when many animal populations with the potentiality for zoonotic transmission continue to reside in close proximity to human groups due to reasons such as deforestation and climatic impacts on resource availability. Here, we analyze all previously available …