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Articles 31 - 60 of 109
Full-Text Articles in Life Sciences
Atlantis Fellowship - Spain / Italy Summer Internship, Cassidy Campanella
Atlantis Fellowship - Spain / Italy Summer Internship, Cassidy Campanella
Trick to the Treat of Internships and Research
No abstract provided.
Antibiotics Overuse And Bacterial Resistance, Mir Saleem, Brett Deters, Adam De La Bastide, Martha Korzen
Antibiotics Overuse And Bacterial Resistance, Mir Saleem, Brett Deters, Adam De La Bastide, Martha Korzen
Biology Faculty Articles
Antibiotic usage has become very widespread, as they are used to treat so many infectious diseases today. Antimicrobial agents exert their actions via different mechanisms including blockage of cell wall synthesis, interference of protein and/or nucleic acid synthesis, interruption of cell membrane structure, and inhibition of a metabolic pathway. The treatment of bacterial infections with antimicrobial agents has become more difficult due to the capability of bacteria to develop resistance to antibiotics. Erroneous diagnosing, misconceptions, and improper physician-patient dynamics have led to overuse of antibiotics and the emergence of drug-resistant bacteria. Bacterial colonies have been shown to confer advantageous genetic …
Technology In University Physical Activity Courses: A Mini-Ethnographic Case Study, Dannon G. Cox, Jennifer M. Krause, Mark A. Smith
Technology In University Physical Activity Courses: A Mini-Ethnographic Case Study, Dannon G. Cox, Jennifer M. Krause, Mark A. Smith
The Qualitative Report
As younger generations become increasingly reliant on technology, higher educational institutions must continually attempt to stay with or ahead of the curve to foster 21st century teaching and learning. College and university physical activity courses (PACs) are encouraged to incorporate technology for effective pedagogical practices. No qualitative research has specifically examined the culture of PACs instructors’ attitudes and experiences with technology as a pedagogical tool. A mini-ethnographic case study explored the use of technology among seven graduate teaching assistants who shared their pedagogical experiences, teaching practices, and perceptions of technology within PACs. Using an interpretive phenomenological analysis, composite narrative accounts …
Hogfish Neurocranium, Christopher Z. Lucero, Michael A. Terlizzi, David Kerstetter
Hogfish Neurocranium, Christopher Z. Lucero, Michael A. Terlizzi, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
No abstract provided.
The Complete Mitochondrial Genome Of An Atlantic Ocean Shortfin Mako Shark, Isurus Oxyrinchus, Jonathan Gorman, Nicholas J. Marra, Mahmood S. Shivji, Bryce J. Stanhope
The Complete Mitochondrial Genome Of An Atlantic Ocean Shortfin Mako Shark, Isurus Oxyrinchus, Jonathan Gorman, Nicholas J. Marra, Mahmood S. Shivji, Bryce J. Stanhope
Biology Faculty Articles
We report the first complete mitochondrial genome of a shortfin mako shark from the Atlantic Ocean. The genome had 16,700 base pairs and contained 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and a non-coding D-loop. There were 81 individual differences compared to the published mitochondrial genome of a shortfin mako from the Pacific Ocean, with most variability found in protein coding genes, especially ND5, ND3, and ND1. These highly variable genes may be useful population markers in future studies, and availability of a second mitogenome will assist with future, genome-scale studies of this IUCN Endangered species.
Gut Microbiome Diversity Is Associated With Sleep Physiology In Humans, Robert Smith, Cole Easson, Sarah M. Lyle, Ritishka Kapoor, Chase P. Donnelly, Eileen Davidson, Esha Parikh, Jose Lopez, Jaime L. Tartar
Gut Microbiome Diversity Is Associated With Sleep Physiology In Humans, Robert Smith, Cole Easson, Sarah M. Lyle, Ritishka Kapoor, Chase P. Donnelly, Eileen Davidson, Esha Parikh, Jose Lopez, Jaime L. Tartar
Biology Faculty Articles
The human gut microbiome can influence health through the brain-gut-microbiome axis. Growing evidence suggests that the gut microbiome can influence sleep quality. Previous studies that have examined sleep deprivation and the human gut microbiome have yielded conflicting results. A recent study found that sleep deprivation leads to changes in gut microbiome composition while a different study found that sleep deprivation does not lead to changes in gut microbiome. Accordingly, the relationship between sleep physiology and the gut microbiome remains unclear. To address this uncertainty, we used actigraphy to quantify sleep measures coupled with gut microbiome sampling to determine how the …
Fear Effects Associated With Predator Presence And Habitat Structure Interact To Alter Herbivory On Coral Reefs, Andrew G. Bauman, Jovena C. L. Seah, Fraser A. Januchowski-Hartley, Andrew S. Hoey, Jenny Fong, Peter A. Todd
Fear Effects Associated With Predator Presence And Habitat Structure Interact To Alter Herbivory On Coral Reefs, Andrew G. Bauman, Jovena C. L. Seah, Fraser A. Januchowski-Hartley, Andrew S. Hoey, Jenny Fong, Peter A. Todd
Marine & Environmental Sciences Faculty Articles
Non-consumptive fear effects are an important determinant of foraging decisions by consumers across a range of ecosystems. However, how fear effects associated with the presence of predators interact with those associated with habitat structure remain unclear. Here, we used predator fish models (Plectropomus leopardus) and experimental patches of the macroalga Sargassum ilicifolium of varying densities to investigate how predator- and habitat-associated fear effects influence herbivory on coral reefs. We found the removal of macroalgal biomass (i.e. herbivory) was shaped by the interaction between predator- and habitat-associated fear effects. Rates of macroalgal removal declined with increasing macroalgal density, likely …
Measuring Light Scattering And Absorption In Corals With Inverse Spectroscopic Optical Coherence Tomography (Isoct): A New Tool For Non-Invasive Monitoring, G. L. C. Spicer, A. Eid, D. Wangpraseurt, Timothy D. Swain, J. A. Winkelmann, J. Yi, M. Kuhl, L. A. Marcelino, V. Backman
Measuring Light Scattering And Absorption In Corals With Inverse Spectroscopic Optical Coherence Tomography (Isoct): A New Tool For Non-Invasive Monitoring, G. L. C. Spicer, A. Eid, D. Wangpraseurt, Timothy D. Swain, J. A. Winkelmann, J. Yi, M. Kuhl, L. A. Marcelino, V. Backman
Marine & Environmental Sciences Faculty Articles
The success of reef-building corals for >200 million years has been dependent on the mutualistic interaction between the coral host and its photosynthetic endosymbiont dinoflagellates (family Symbiodiniaceae) that supply the coral host with nutrients and energy for growth and calcification. While multiple light scattering in coral tissue and skeleton significantly enhance the light microenvironment for Symbiodiniaceae, the mechanisms of light propagation in tissue and skeleton remain largely unknown due to a lack of technologies to measure the intrinsic optical properties of both compartments in live corals. Here we introduce ISOCT (inverse spectroscopic optical coherence tomography), a non-invasive approach to measure …
Red Drum (Sciaenops Ocellatus), Alois Romanowski, David Kerstetter
Red Drum (Sciaenops Ocellatus), Alois Romanowski, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Red Drum (Sciaenops ocellatus) collected as-is on the beach of Anclote Key, Florida in 1999.
The Lli Chronicle Volume 10 Issue 2, Nova Southeastern University
The Lli Chronicle Volume 10 Issue 2, Nova Southeastern University
Lifelong Learning Institute Newsletters
No abstract provided.
Diverse Deep-Sea Anglerfishes Share A Genetically Reduced Luminous Symbiont That Is Acquired From The Environment, Lydia Baker, Lindsay L. Freed, Cole Easson, Jose Lopez, Dante Fenolio, Tracey Sutton, Spencer Nyholm, Tory Hendry
Diverse Deep-Sea Anglerfishes Share A Genetically Reduced Luminous Symbiont That Is Acquired From The Environment, Lydia Baker, Lindsay L. Freed, Cole Easson, Jose Lopez, Dante Fenolio, Tracey Sutton, Spencer Nyholm, Tory Hendry
Biology Faculty Articles
Deep-sea anglerfishes are relatively abundant and diverse, but their luminescent bacterial symbionts remain enigmatic. The genomes of two symbiont species have qualities common to vertically transmitted, host-dependent bacteria. However, a number of traits suggest that these symbionts may be environmentally acquired. To determine how anglerfish symbionts are transmitted, we analyzed bacteria-host codivergence across six diverse anglerfish genera. Most of the anglerfish species surveyed shared a common species of symbiont. Only one other symbiont species was found, which had a specific relationship with one anglerfish species, Cryptopsaras couesii. Host and symbiont phylogenies lacked congruence, and there was no statistical support …
Vaccination Measles Outbreak Case Competition, Halmos College Of Arts And Sciences (Hcas)
Vaccination Measles Outbreak Case Competition, Halmos College Of Arts And Sciences (Hcas)
HCAS Case Competitions
No abstract provided.
Wildlife In Parks And Communities: Institutionalizing Wildlife Conservation In Park Systems Through Municipal-Wide Planning Efforts, John J. Pipoly Iii, Lajuan Tucker, Patrick Fitzgerald, Scott Gilmore
Wildlife In Parks And Communities: Institutionalizing Wildlife Conservation In Park Systems Through Municipal-Wide Planning Efforts, John J. Pipoly Iii, Lajuan Tucker, Patrick Fitzgerald, Scott Gilmore
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
Wildlife populations are declining in the United States. As development increases, local parks and natural areas often become safe-havens for wildlife, including birds, pollinators and small mammals. Creeks, rights-of-way, roadsides and even private, commercial and public landscapes can create corridors for wildlife in urban and suburban areas, helping wildlife survive and minimizing human-wildlife conflicts. While many park departments and municipalities have some nature or wildlife programs at nature centers and public parks or manage some properties as natural areas, most do not integrate best practices for managing wildlife into park and recreation master plans or municipalwide sustainability, green infrastructure or …
A Toolkit For Managing The Ee (Environmental Education) And Esd (Education For Sustainable Development) Continuum, Attiyya Atkins, John J. Pipoly Iii
A Toolkit For Managing The Ee (Environmental Education) And Esd (Education For Sustainable Development) Continuum, Attiyya Atkins, John J. Pipoly Iii
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
Environmental Education (EE) and Education for Sustainable Development (ESD) represent extremes of a global continuum. EE stresses awareness of process about, from and for the environment (Vrasidas 2007). ESD is defined as education empowering communities to acquire best management practices engendering human, social, economic and natural sustainability (UNESCO 2012) and developing their resilience despite environmental changes (Fastenrath et al. 2019). ESD is a critical component of the UN's Sustainable Development Goals (UN 2012), which grew from the Millennium Development Goals (UN 2000). Each park agency should develop research-based educational programs that address both EE and ESD. The ESD must promote …
Characterization Of The Microbiome And Bioluminescent Symbionts Across Life Stages Of Ceratioid Anglerfishes Of The Gulf Of Mexico, Lindsay L. Freed, Cole Easson, Lydia Baker, D. Fenolio, Tracey Sutton, Yasmin Khan, Patricia Blackwelder, Tory Hendry, Jose Lopez
Characterization Of The Microbiome And Bioluminescent Symbionts Across Life Stages Of Ceratioid Anglerfishes Of The Gulf Of Mexico, Lindsay L. Freed, Cole Easson, Lydia Baker, D. Fenolio, Tracey Sutton, Yasmin Khan, Patricia Blackwelder, Tory Hendry, Jose Lopez
Biology Faculty Articles
The interdependence of diverse organisms through symbiosis reaches even the deepest parts of the oceans. As part of the DEEPEND project (deependconsortium.org) research on deep Gulf of Mexico biodiversity, we profiled the bacterial communities (‘microbiomes’) and luminous symbionts of 36 specimens of adult and larval deep-sea anglerfishes of the suborder Ceratioidei using 16S rDNA. Transmission Electron Microscopy was used to characterize the location of symbionts in adult light organs (esca). Whole larval microbiomes, and adult skin and gut microbiomes, were dominated by bacteria in the genera Moritella and Pseudoalteromonas genera. 16S rDNA sequencing results from adult fishes corroborate …
"The Dead Shall Be Raised": Multidisciplinary Analysis Of Human Skeletons Reveals Complexity In 19th Century Immigrant Socioeconomic History And Identity In New Haven, Connecticut, Gary P. Aronsen, Lars Fehren-Schmitz, John Krigbaum, George D. Kamenov, Gerald J. Conlogue, Christina Warinner, Andrew T. Ozga, Krithivasan Sankaranarayanan, Anthony Griego, Daniel W. Deluca, Howard T. Eckels, Romuald K. Byczkiewicz, Tania Grgurich, Natalie A. Pelletier, Sarah A. Brownlee, Ana Marichal, Kylie Williamson, Yukiko Tonoike, Nicholas F. Bellantoni
"The Dead Shall Be Raised": Multidisciplinary Analysis Of Human Skeletons Reveals Complexity In 19th Century Immigrant Socioeconomic History And Identity In New Haven, Connecticut, Gary P. Aronsen, Lars Fehren-Schmitz, John Krigbaum, George D. Kamenov, Gerald J. Conlogue, Christina Warinner, Andrew T. Ozga, Krithivasan Sankaranarayanan, Anthony Griego, Daniel W. Deluca, Howard T. Eckels, Romuald K. Byczkiewicz, Tania Grgurich, Natalie A. Pelletier, Sarah A. Brownlee, Ana Marichal, Kylie Williamson, Yukiko Tonoike, Nicholas F. Bellantoni
Biology Faculty Articles
In July 2011, renovations to Yale-New Haven Hospital inadvertently exposed the cemetery of Christ Church, New Haven, Connecticut’s first Catholic cemetery. While this cemetery was active between 1833 and 1851, both the church and its cemetery disappeared from public records, making the discovery serendipitous. Four relatively well-preserved adult skeletons were recovered with few artifacts. All four individuals show indicators of manual labor, health and disease stressors, and dental health issues. Two show indicators of trauma, with the possibility of judicial hanging in one individual. Musculoskeletal markings are consistent with physical stress, and two individuals have arthritic indicators of repetitive movement/specialized …
Getting Back To Nature: Feralization In Animals And Plants, Eben Gering, Darren Incorvaia, R. Henriksen, Jeffrey Conner, Thomas Getty, Dominic Wright
Getting Back To Nature: Feralization In Animals And Plants, Eben Gering, Darren Incorvaia, R. Henriksen, Jeffrey Conner, Thomas Getty, Dominic Wright
Biology Faculty Articles
Formerly domesticated organisms and artificially selected genes often escape controlled cultivation, but their subsequent evolution is not well studied. In this review, we examine plant and animal feralization through an evolutionary lens, including how natural selection, artificial selection, and gene flow shape feral genomes, traits, and fitness. Available evidence shows that feralization is not a mere reversal of domestication. Instead, it is shaped by the varied and complex histories of feral populations, and by novel selection pressures. To stimulate further insight we outline several future directions. These include testing how ‘domestication genes’ act in wild settings, studying the brains and …
Crevalle Jack (Caranx Hippos), Alois Romanowski, David Kerstetter
Crevalle Jack (Caranx Hippos), Alois Romanowski, David Kerstetter
All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series
Crevalle Jack (Caranx hippos) collected from Broward County, Florida and prepped by David Kerstetter in 2016.
Identification And Cloning Of Putative Serine Protease Inhibitor (Serpin) Genes In Rice (Oryza Sativa) And A Preliminary Approach To Generate Rnai Using The Cloned Sequences, Santanu De
Biology Faculty Articles
Programmed Cell Death (PCD) is an important mechanism of plant immune response against diseases. Serine protease inhibitors (‘serpins’) are a conserved superfamily of proteins that inhibit serine protease targets and prevent programmed cell death (PCD) in plants, in absence of pathogen infection. In this project, putative serpin genes in rice (Oryza sativa) which are homologous to necrotic/‘Nec’ serpin genes in Drosophila are identified by bioinformatic analyses. This is followed by cloning of specific exon sequences of the rice serpin genes identified. Finally, one of the cloned sequences is utilized in a series of steps to produce interfering RNA …
Hyperinsulinemia, Cancer And Maqui Berry: The Promise Of Nutritional Supplementation, Brett Deters, Mir Saleem
Hyperinsulinemia, Cancer And Maqui Berry: The Promise Of Nutritional Supplementation, Brett Deters, Mir Saleem
Biology Faculty Articles
Nutritional supplementation has long been studied as a possible treatment alternative or as an adjunct to the standard treatments for common ailments and diseases. According to the latest research, the Chilean maqui berry, Aristotelia chilensis, has been shown to reduce postprandial insulin levels by as much as fifty percent. The berry, which has been shown to be as effective as metformin at increasing insulin sensitivity and controlling blood glucose levels, follows a simple mechanism of action that involves the inhibition of sodium dependent glucose transporters in the small intestine, slowing the rate at which sugars enter the bloodstream and thereby …
An Analysis Of The Potential Toxicological Effects Of Marine Plastics And Associated Organic And Inorganic Toxic Compounds On Six Commercially Significant Fishery Species, Nicole Marie Jackson
An Analysis Of The Potential Toxicological Effects Of Marine Plastics And Associated Organic And Inorganic Toxic Compounds On Six Commercially Significant Fishery Species, Nicole Marie Jackson
HCNSO Student Capstones
Marine plastics are a global issue which has garnered significant support for mitigation efforts in recent history. Research on the prevalence of plastic polymers in the marine environment has also come to the forefront of the scientific community, however studies on the toxicological impacts of their presence remains to be a little studied matter to date. In this study an intensive critical review of existing data was conducted to compile profiles (including: stability ranks, sorption capacities, organic and inorganic toxic constituent concentrations, bioaccumulations scores per constituent, biomagnification scores per constituent, and totaled threat scores out of five) for the three …
Precision Nomenclature For The New Genomics, Harris A. Lewin, Jennifer A. Marshall Graves, Oliver A. Ryder, Alexander S. Graphodatsky, Stephen James O'Brien
Precision Nomenclature For The New Genomics, Harris A. Lewin, Jennifer A. Marshall Graves, Oliver A. Ryder, Alexander S. Graphodatsky, Stephen James O'Brien
Biology Faculty Articles
The confluence of two scientific disciplines may lead to nomenclature conflicts that require new terms while respecting historical definitions. This is the situation with the current state of cytology and genomics, which offer examples of distinct nomenclature and vocabularies that require reconciliation. In this article, we propose the new terms C-scaffold (for chromosome-scale assemblies of sequenced DNA fragments, commonly named scaffolds) and scaffotype (the resulting collection of C-scaffolds that represent an organism's genome). This nomenclature avoids conflict with the historical definitions of the terms chromosome (a microscopic body made of DNA and protein) and karyotype (the collection of images …
Avian Binocularity And Adaptation To Nocturnal Environments: Genomic Insights Froma Highly Derived Visual Phenotype, Rui Borges, Joao Fonseca, Cidalia Gomes, Warren E. Johnson, Stephen James O'Brien, Guojie Zhang, M. Thomas P. Gilbert, Erich D. Jarvis, Agostinho Antunes
Avian Binocularity And Adaptation To Nocturnal Environments: Genomic Insights Froma Highly Derived Visual Phenotype, Rui Borges, Joao Fonseca, Cidalia Gomes, Warren E. Johnson, Stephen James O'Brien, Guojie Zhang, M. Thomas P. Gilbert, Erich D. Jarvis, Agostinho Antunes
Biology Faculty Articles
Typical avian eyes are phenotypically engineered for photopic vision (daylight). In contrast, the highly derived eyes of the barn owl (Tyto alba) are adapted for scotopic vision (dim light). The dramatic modifications distinguishing barn owl eyes from other birds include: 1) shifts in frontal orientation to improve binocularity, 2) rod-dominated retina, and 3) enlarged corneas and lenses. Some of these features parallel mammalian eye patterns, which are hypothesized to have initially evolved in nocturnal environments. Here, we used an integrative approach combining phylogenomics and functional phenotypes of 211 eye-development genes across 48 avian genomes representing most avian orders, …
Inevitable Future: Space Colonization Beyond Earth With Microbes First, Jose Lopez, Raquel S. Peixoto, Alexandre S. Rosado
Inevitable Future: Space Colonization Beyond Earth With Microbes First, Jose Lopez, Raquel S. Peixoto, Alexandre S. Rosado
Biology Faculty Articles
Based on modern microbiology, we propose a major revision in current space exploration philosophy and planetary protection policy, especially regarding microorganisms in space. Mainly, microbial introduction should not be considered accidental but inevitable. We hypothesize the near impossibility of exploring new planets without carrying and/or delivering any microbial travelers. In addition, although we highlight the importance of controlling and tracking such contaminations—to explore the existence of extraterrestrial microorganisms—we also believe that we must discuss the role of microbes as primary colonists and assets, rather than serendipitous accidents, for future plans of extraterrestrial colonization. This paradigm shift stems partly from the …
Seastar: A Mission To Study Ocean Submesoscale Dynamics And Small-Scale Atmosphere-Ocean Processes In Coastal, Shelf And Polar Seas, Christine Gommenginger, Bertrand Chapron, Andy Hogg, Christian Buckingham, Baylor Fox-Kemper, Leif Eriksson, Francois Soulat, Clement Ubelmann, Francisco Ocampo-Torres, Bruno Buongiorno Nardelli, David Griffin, Paco Lopez-Dekker, Per Knudsen, Ole Andersen, Lars Stenseng, Neil Stapleton, William Perrie, Nelson Violante-Carvalho, Johannes Schulz-Stellenfleth, David Woolf, Jordi Isern-Fontanet, Fabrice Ardhuin, Patrice Klein, Alexis Mouche, Ananda Pascual, Xavier Capet, Daniele Hauser, Ad Stoffelen, Rosemary Morrow, Lotfi Aouf, Øyvind Breivik, Lee-Leung Fu, Johnny A. Johannessen, Yevgeny Aksenov, Lucy Bricheno, Joel Hirschi, Adrien C. H. Martin, Adrian P. Martin, George Nurser, Jeff Polton, Judith Wolf, Harald Johnsen, Alexander Soloviev, Gregg A. Jacobs, Fabrice Collard, Steve Groom, Vladimir Kudryavtsev, John Wilkin, Victor Navarro, Alex Babanin, Matthew Martin, John Siddorn, Andrew Saulter, Tom Rippeth, Bill Emery, Nikolai Maximenko, Roland Romeiser, Hans Graber, Aida Alvera Azcarate, Chris W. Hughes, Doug Vandemark, Jose Da Silva, Peter Jan Van Leeuwen, Alberto Naveira-Garabato, Johannes Gemmrich, Amala Mahadevan, Jose Marquez, Yvonne Munro, Sam Doody, Geoff Burbidge
Seastar: A Mission To Study Ocean Submesoscale Dynamics And Small-Scale Atmosphere-Ocean Processes In Coastal, Shelf And Polar Seas, Christine Gommenginger, Bertrand Chapron, Andy Hogg, Christian Buckingham, Baylor Fox-Kemper, Leif Eriksson, Francois Soulat, Clement Ubelmann, Francisco Ocampo-Torres, Bruno Buongiorno Nardelli, David Griffin, Paco Lopez-Dekker, Per Knudsen, Ole Andersen, Lars Stenseng, Neil Stapleton, William Perrie, Nelson Violante-Carvalho, Johannes Schulz-Stellenfleth, David Woolf, Jordi Isern-Fontanet, Fabrice Ardhuin, Patrice Klein, Alexis Mouche, Ananda Pascual, Xavier Capet, Daniele Hauser, Ad Stoffelen, Rosemary Morrow, Lotfi Aouf, Øyvind Breivik, Lee-Leung Fu, Johnny A. Johannessen, Yevgeny Aksenov, Lucy Bricheno, Joel Hirschi, Adrien C. H. Martin, Adrian P. Martin, George Nurser, Jeff Polton, Judith Wolf, Harald Johnsen, Alexander Soloviev, Gregg A. Jacobs, Fabrice Collard, Steve Groom, Vladimir Kudryavtsev, John Wilkin, Victor Navarro, Alex Babanin, Matthew Martin, John Siddorn, Andrew Saulter, Tom Rippeth, Bill Emery, Nikolai Maximenko, Roland Romeiser, Hans Graber, Aida Alvera Azcarate, Chris W. Hughes, Doug Vandemark, Jose Da Silva, Peter Jan Van Leeuwen, Alberto Naveira-Garabato, Johannes Gemmrich, Amala Mahadevan, Jose Marquez, Yvonne Munro, Sam Doody, Geoff Burbidge
Marine & Environmental Sciences Faculty Articles
High-resolution satellite images of ocean color and sea surface temperature reveal an abundance of ocean fronts, vortices and filaments at scales below 10 km but measurements of ocean surface dynamics at these scales are rare. There is increasing recognition of the role played by small scale ocean processes in ocean-atmosphere coupling, upper-ocean mixing and ocean vertical transports, with advanced numerical models and in situ observations highlighting fundamental changes in dynamics when scales reach 1 km. Numerous scientific publications highlight the global impact of small oceanic scales on marine ecosystems, operational forecasts and long-term climate projections through strong ageostrophic circulations, large …
African Biomass Burning Is A Substantial Source Of Phosphorus Deposition To The Amazon, Tropical Atlantic Ocean, And Southern Ocean, Anne E. Barkley, Joseph M. Prospero, Natalie Mahowald, Douglas S. Hamilton, Kimberly J. Popendorf, Amanda M. Oehlert, Ali Pourmand, Alexandre Gatineau, Kathy Panechou-Pulcherie, Patricia Blackwelder, Cassandra J. Gaston
African Biomass Burning Is A Substantial Source Of Phosphorus Deposition To The Amazon, Tropical Atlantic Ocean, And Southern Ocean, Anne E. Barkley, Joseph M. Prospero, Natalie Mahowald, Douglas S. Hamilton, Kimberly J. Popendorf, Amanda M. Oehlert, Ali Pourmand, Alexandre Gatineau, Kathy Panechou-Pulcherie, Patricia Blackwelder, Cassandra J. Gaston
Marine & Environmental Sciences Faculty Articles
The deposition of phosphorus (P) from African dust is believed to play an important role in bolstering primary productivity in the Amazon Basin and Tropical Atlantic Ocean (TAO), leading to sequestration of carbon dioxide. However, there are few measurements of African dust in South America that can robustly test this hypothesis and even fewer measurements of soluble P, which is readily available for stimulating primary production in the ocean. To test this hypothesis, we measured total and soluble P in long-range transported aerosols collected in Cayenne, French Guiana, a TAO coastal site located at the northeastern edge of the Amazon. …
The Vertebrate Tlr Supergene Family Evolved Dynamically By Gene Gain/Loss And Positive Selection Revealing A Host–Pathogen Arms Race In Birds, Imran Khan, Emanuel Maldonado, Liliana Silva, Daniela Almeida, Warren E. Johnson, Stephen James O'Brien, Guojie Zhang, Erich D. Jarvis, M. Thomas Gilbert, Agostinho Antunes
The Vertebrate Tlr Supergene Family Evolved Dynamically By Gene Gain/Loss And Positive Selection Revealing A Host–Pathogen Arms Race In Birds, Imran Khan, Emanuel Maldonado, Liliana Silva, Daniela Almeida, Warren E. Johnson, Stephen James O'Brien, Guojie Zhang, Erich D. Jarvis, M. Thomas Gilbert, Agostinho Antunes
Biology Faculty Articles
The vertebrate toll-like receptor (TLRs) supergene family is a first-line immune defense against viral and non-viral pathogens. Here, comparative evolutionary-genomics of 79 vertebrate species (8 mammals, 48 birds, 11 reptiles, 1 amphibian, and 11 fishes) revealed differential gain/loss of 26 TLRs, including 6 (TLR3, TLR7, TLR8, TLR14, TLR21, and TLR22) that originated early in vertebrate evolution before the diversification of Agnatha and Gnathostomata. Subsequent dynamic gene gain/loss led to lineage-specific diversification with TLR repertoires ranging from 8 subfamilies in birds to 20 in fishes. Lineage-specific loss of TLR8-9 and TLR13 in birds and gains of TLR6 and TLR10-12 in mammals …
Maladaptation In Feral And Domesticated Animals, Eben Gering, Darren Incorvaia, R. Henriksen, Dominic Wright
Maladaptation In Feral And Domesticated Animals, Eben Gering, Darren Incorvaia, R. Henriksen, Dominic Wright
Biology Faculty Articles
Selection regimes and population structures can be powerfully changed by domestication and feralization, and these changes can modulate animal fitness in both captive and natural environments. In this review, we synthesize recent studies of these two processes and consider their impacts on organismal and population fitness. Domestication and feralization offer multiple windows into the forms and mechanisms of maladaptation. Firstly, domestic and feral organisms that exhibit suboptimal traits or fitness allow us to identify their underlying causes within tractable research systems. This has facilitated significant progress in our general understandings of genotype–phenotype relationships, fitness trade‐offs, and the roles of population …
New Host Records And Range Extensions For Helminth Parasites From Wading Birds In Southeastern Florida, Sarah Gumbleton, David Kerstetter, Amy Hirons, Christopher Blanar
New Host Records And Range Extensions For Helminth Parasites From Wading Birds In Southeastern Florida, Sarah Gumbleton, David Kerstetter, Amy Hirons, Christopher Blanar
Marine & Environmental Sciences Faculty Articles
Six species of wading birds collected from wildlife centers throughout South Florida were dissected for parasites. Twenty-six species of parasites represent new host records and five parasite species represent new geographic range extensions.
Reconstruction Of Northeastern Pacific Ocean Holocene Production Using Marine Mammal Archaeofauna, Andrea M. Traffichini
Reconstruction Of Northeastern Pacific Ocean Holocene Production Using Marine Mammal Archaeofauna, Andrea M. Traffichini
HCNSO Student Theses and Dissertations
Changes in marine production play a key role in determining the trophic structure of the northeastern Pacific Ocean. This is a region of great environmental fluctuations due to modern, historical, and paleo-environmental variability recorded throughout the Holocene. These fluctuations are recorded in the bone collagen of the marine mammals that reside in these waters. Marine mammal remains from four previously excavated archaeological deposits on Unalaska Island, Alaska are used as a proxy for marine production changes throughout the Holocene (4,500 BP to 350 BP). Historic and modern samples from museum collections, subsistence harvests, and previously published data provide a distinct …