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Articles 1 - 15 of 15
Full-Text Articles in Life Sciences
Using Physical Contact Heterogeneity And Frequency To Characterize Dynamics Of Human Exposure To Nonhuman Primate Bodily Fluids In Central Africa, Victor Narat, Mamdou Kampo, Thibut Heyer, Stephanie Rupp, Philippe Ambata, Richard Njouom, Tamara Giles-Vernick
Using Physical Contact Heterogeneity And Frequency To Characterize Dynamics Of Human Exposure To Nonhuman Primate Bodily Fluids In Central Africa, Victor Narat, Mamdou Kampo, Thibut Heyer, Stephanie Rupp, Philippe Ambata, Richard Njouom, Tamara Giles-Vernick
Publications and Research
Emerging infectious diseases of zoonotic origin constitute a recurrent threat to global health. Nonhuman primates (NHPs) occupy an important place in zoonotic spillovers (pathogenic transmissions from animals to humans), serving as reservoirs or amplifiers of multiple neglected tropical diseases, including viral hemorrhagic fevers and arboviruses, parasites and bacteria, as well as retroviruses (simian foamy virus, PTLV) that are pathogenic in human beings. Hunting and butchering studies in Africa characterize at-risk human social groups, but overlook critical factors of contact heterogeneity and frequency, NHP species differences, and meat processing practices. In southeastern Cameroon, a region with a history of zoonotic emergence …
Effects Of Urbanization On The Foraging Ecology And Microbiota Of The Generalist Seabird Larus Argentatus, Matthew Fuirst, Richard R. Veit, Megan Hahn, Nolwenn Dheilly, Lesley H. Thorne
Effects Of Urbanization On The Foraging Ecology And Microbiota Of The Generalist Seabird Larus Argentatus, Matthew Fuirst, Richard R. Veit, Megan Hahn, Nolwenn Dheilly, Lesley H. Thorne
Publications and Research
Larus gull species have proven adaptable to urbanization and due to their generalist feeding behaviors, they provide useful opportunities to study how urban environments impact foraging behavior and host-associated microbiota. We evaluated how urbanization influenced the foraging behavior and microbiome characteristics of breeding herring gulls (Larus argentatus) at three different colonies on the east coast of the United States. Study colonies represented high, medium and low degrees of urbanization, respectively. At all colonies, gulls frequently foraged at landfills and in other urban environments, but both the use of urban environments and gull foraging metrics differed with the degree of urbanization. …
The New World Of Pet Prosthetics, Anna Brooks
The New World Of Pet Prosthetics, Anna Brooks
Capstones
When an abandoned dog was found in Brooklyn with his paw gnawed off, the animal shelter had two options: amputate the leg, or put the dog down. But neither seemed like a solution. So they decided to do something different, and fit the dog for a prosthetic leg. Prosthetics for people have been around for millennia, and now these devices are moving into the animal kingdom. This story explores the new world of animal prosthetics, and how these devices have changed the lives of animals like Mr. Stubbs — the first alligator with a prosthetic tail — and saved the …
Gofish: A Versatile Nested Pcr Strategy For Environmental Dna Assays For Marine Vertebrates, Mark Y. Stoeckle, Mithun Das Mishu, Zachary Charlop-Powers
Gofish: A Versatile Nested Pcr Strategy For Environmental Dna Assays For Marine Vertebrates, Mark Y. Stoeckle, Mithun Das Mishu, Zachary Charlop-Powers
Publications and Research
Here we describe GoFish, a strategy for single-species environmental DNA (eDNA) presence/absence assays using nested PCR. The assays amplify a mitochondrial 12S rDNA segment with vertebrate metabarcoding primers, followed by nested PCR with M13-tailed, species-specific primers. Sanger sequencing confirms positives detected by gel electrophoresis. We first obtained 12S sequences from 77 fish specimens for 36 northwestern Atlantic taxa not well documented in GenBank. Using these and existing 12S records, we designed GoFish assays for 11 bony fish species common in the lower Hudson River estuary and tested seasonal abundance and habitat preference at two sites. Additional assays detected nine cartilaginous …
Cryptic Diversity In The Mexican Highlands: Thousands Of Uce Loci Help Illuminate Phylogenetic Relationships, Species Limits And Divergence Times Of Montane Rattlesnakes (Viperidae: Crotalus ), Christopher Blair, Robert W. Bryson Jr, Charles W. Linkem, David Lazcano, John Klicka, John E. Mccormack
Cryptic Diversity In The Mexican Highlands: Thousands Of Uce Loci Help Illuminate Phylogenetic Relationships, Species Limits And Divergence Times Of Montane Rattlesnakes (Viperidae: Crotalus ), Christopher Blair, Robert W. Bryson Jr, Charles W. Linkem, David Lazcano, John Klicka, John E. Mccormack
Publications and Research
With the continued adoption of genome‐scale data in evolutionary biology comes the challenge of adequately harnessing the information to make accurate phylogenetic inferences. Coalescent‐based methods of species tree inference have become common, and concatenation has been shown in simulation to perform well, particularly when levels of incomplete lineage sorting are low. However, simulation conditions are often overly simplistic, leaving empiricists with uncertainty regarding analytical tools. We use a large ultraconserved element data set (>3,000 loci) from rattlesnakes of the Crotalus triseriatus group to delimit lineages and estimate species trees using concatenation and several coalescent‐based methods. Unpartitioned and partitioned maximum …
Different Ommochrome Pigment Mixtures Enable Sexually Dimorphic Batesian Mimicry In Disjunct Populations Of The Common Palmfly Butterfly, Elymnias Hypermnestra, Silvio Panettieri, Erisa Gjinaj, George John, David J. Lohman
Different Ommochrome Pigment Mixtures Enable Sexually Dimorphic Batesian Mimicry In Disjunct Populations Of The Common Palmfly Butterfly, Elymnias Hypermnestra, Silvio Panettieri, Erisa Gjinaj, George John, David J. Lohman
Publications and Research
With varied, brightly patterned wings, butterflies have been the focus of much work on the evolution and development of phenotypic novelty. However, the chemical structures of wing pigments from few butterfly species have been identified. We characterized the orange wing pigments of female Elymnias hypermnestra butterflies (Lepidoptera: Nymphalidae: Satyrinae) from two Southeast Asian populations. This species is a sexually dimorphic Batesian mimic of several model species. Females are polymorphic: in some populations, females are dark, resemble conspecific males, and mimic Euploea spp. In other populations, females differ from males and mimic orange Danaus spp. Using LC-MS/MS, we identified nine ommochrome …
An Investigation Of Vocal Learning Propensity In Zebra Finch (Taeniopygia Guttata), Tatsuya Hayashi
An Investigation Of Vocal Learning Propensity In Zebra Finch (Taeniopygia Guttata), Tatsuya Hayashi
Theses and Dissertations
The investigator attempted to predict the vocal learning propensity from either family pedigree or early vocal babbling (subsong). Pedigree trees suggest the possibility that vocal learning ability may depend on family. We failed to predict vocal learning propensity from subsong, but suggested that subsong may influence vocal learning outcome.
Nanostructured Fibers As A Versatile Photonic Platform: Radiative Cooling And Waveguiding Through Transverse Anderson Localization, Norman Nan Shi, Cheng-Chia Tsai, Michael J. Carter, Jyotirmoy Mandal, Adam C. Overvig, Matthew Y. Sfeir, Ming Lu, Catherine L. Craig, Gary D. Bernard, Yuan Yang, Nanfang Yu
Nanostructured Fibers As A Versatile Photonic Platform: Radiative Cooling And Waveguiding Through Transverse Anderson Localization, Norman Nan Shi, Cheng-Chia Tsai, Michael J. Carter, Jyotirmoy Mandal, Adam C. Overvig, Matthew Y. Sfeir, Ming Lu, Catherine L. Craig, Gary D. Bernard, Yuan Yang, Nanfang Yu
Publications and Research
Broadband high reflectance in nature is often the result of randomly, three-dimensionally structured materials. This study explores unique optical properties associated with one-dimensional nanostructures discovered in silk cocoon fibers of the comet moth, Argema mittrei. The fibers are populated with a high density of air voids randomly distributed across the fiber cross-section but are invariant along the fiber. These filamentary air voids strongly scatter light in the solar spectrum. A single silk fiber measuring ~50 μm thick can reflect 66% of incoming solar radiation, and this, together with the fibers' high emissivity of 0.88 in the mid-infrared range, allows …
A New Age In Aquamedicine: Unconventional Approach In Studying Aquatic Diseases, Michael Gotesman, Simon Menanteau-Ledouble, Mona Saleh, Sven M. Bergmann, Mansour El-Matbouli
A New Age In Aquamedicine: Unconventional Approach In Studying Aquatic Diseases, Michael Gotesman, Simon Menanteau-Ledouble, Mona Saleh, Sven M. Bergmann, Mansour El-Matbouli
Publications and Research
Background
Marine and aquaculture industries are important sectors of the food production and global trade. Unfortunately, the fish food industry is challenged with a plethora of infectious pathogens. The freshwater and marine fish communities are rapidly incorporating novel and most up to date techniques for detection, characterization and treatment strategies. Rapid detection of infectious diseases is important in preventing large disease outbreaks.
Main text
One hundred forty-six articles including reviews papers were analyzed and their conclusions evaluated in the present paper. This allowed us to describe the most recent development research regarding the control of diseases in the aquatic environment …
Social Influences On Songbird Behavior: From Song Learning To Motion Coordination, Iva Ljubičić
Social Influences On Songbird Behavior: From Song Learning To Motion Coordination, Iva Ljubičić
Dissertations, Theses, and Capstone Projects
Social animals learn during development how to integrate successfully into their group. How do social interactions combine to maintain group cohesion? We first review how social environments can influence the development of vocal learners, such as songbirds and humans (Chapter 1). To bypass the complexity of natural social interactions and gain experimental control, we developed Virtual Social Environments, surrounding the bird with videos of manipulated playbacks. This way we were able to design sensory and social scenarios and test how social zebra finches adjust their behavior (Chapters 2 & 3). A serious challenge is that the color output of a …
Precocious Development Of Self-Awareness In Dolphins, Rachel Morrison, Diana Reiss
Precocious Development Of Self-Awareness In Dolphins, Rachel Morrison, Diana Reiss
Publications and Research
Mirror-self recognition (MSR) is a behavioral indicator of self-awareness in young children and only a few other species, including the great apes, dolphins, elephants and magpies. The emergence of self-awareness in children typically occurs during the second year and has been correlated with sensorimotor development and growing social and self-awareness. Comparative studies of MSR in chimpanzees report that the onset of this ability occurs between 2 years 4 months and 3 years 9 months of age. Studies of wild and captive bottlenose dolphins (Tursiops truncatus) have reported precocious sensorimotor and social awareness during the first weeks of life, but no …
Combatting The Illegal Pet Trade: Using Molecular Techniques To Determine The Provenience Of Illegal Ring-Tailed Lemur (Lemur Catta) Pets, Jessica Knierim
Combatting The Illegal Pet Trade: Using Molecular Techniques To Determine The Provenience Of Illegal Ring-Tailed Lemur (Lemur Catta) Pets, Jessica Knierim
Theses and Dissertations
One of the biggest threats facing the Endangered ring-tailed lemur (Lemur catta) is the illegal pet trade. This study compares genotypes of 20 pet L. catta to a geographically-referenced allele frequency database of 4 wild populations (n=35) in attempt to determine their source population. This study will have many conservation implications.
Factors Of Annual Reproductive Success In North American Barn Swallows (Hirundo Rustica Erythrogaster) In Shared Greenspace, Joseph Czeisel
Factors Of Annual Reproductive Success In North American Barn Swallows (Hirundo Rustica Erythrogaster) In Shared Greenspace, Joseph Czeisel
Theses and Dissertations
This study examined three metrics related to barn swallow reproductive success in shared greenspace. Earlier nesting dates were positively related to reproductive output and survival rate. Anthropogenic disturbance was not found to influence productivity. The distance of nests inside structures predicted survival rate. The monitoring of additional seasons is recommended.
Slave To The Rhythm: Variation In The Acoustic Signaling Of Picoides Woodpeckers, Alex Baer
Slave To The Rhythm: Variation In The Acoustic Signaling Of Picoides Woodpeckers, Alex Baer
Theses and Dissertations
We explored rhythmic variation in acoustic signals by geography across four species of Picoides woodpeckers. We hypothesized that there would be an effect of geographic location on the cadence of drums and rattle-type calls. No significant effect was observed. However, drum cadence was observed to significantly impact conspecific recognition in playbacks.
A Description Of Nesting Behaviors, Including Factors Impacting Nest Site Selection, In Black‐And‐White Ruffed Lemurs (Varecia Variegata), Andrea L. Baden
A Description Of Nesting Behaviors, Including Factors Impacting Nest Site Selection, In Black‐And‐White Ruffed Lemurs (Varecia Variegata), Andrea L. Baden
Publications and Research
Nest site selection is at once fundamental to reproduction and a poorly understood component of many organisms’ reproductive investment. This study investigates the nesting behaviors of black-and-white ruffed lemurs, Varecia variegata, a litter-bearing primate from the southeastern rainforests of Madagascar. Using a combination of behavioral, geospatial, and demographic data, I test the hypotheses that environmental and social cues influence nest site selection and that these decisions ultimately impact maternal reproductive success. Gestating females built multiple large nests throughout their territories. Of these, females used only a fraction of the originally constructed nests, as well as several parking locations as infants …