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Articles 1 - 6 of 6
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An Empirical And Theoretical Comparison Of The Socio-Ecological Behaviors Of Captive Chimpanzees (Pan Troglodytes), Bonobos (Pan Paniscus), And Western Lowland Gorillas (Gorilla Gorilla): Social Tolerance And Behavioral Responses To Changes In Food Quality And Distribution, Scott C. Milne
Master of Science in Integrative Biology Theses
Chimpanzees and gorillas are sympatric in most of their range in Central Africa, however, bonobos do not overlap with either of the other two species. This difference has been hypothesized to be the main factor leading to the socio-ecological traits of each species. Access to, and competition for, terrestrial herbaceous vegetation (THV) in each of the three species in thought to be linked to the social relationships and female-female bonds of each species. This study sought to provide a direct comparison of the social relationships of each of the three African Great Apes in captivity in order to elucidate similarities …
Assessing Feeding Preferences And Spatial Patterns Of Lagodon Rhomboides Linnaeus, Alexandria V. Lamle
Assessing Feeding Preferences And Spatial Patterns Of Lagodon Rhomboides Linnaeus, Alexandria V. Lamle
Master of Science in Integrative Biology Theses
Mesograzers have the ability to greatly mitigate the effects of eutrophication in seagrass systems. In this study we look at pinfish (Lagodon rhomboides Linnaeus) as a potential epiphytic grazer and assess feeding preferences during a transitional stage in the ontogenetic diet shift exhibited by these fish. Since pinfish are abundant in seagrass meadows in the northern Gulf of Mexico, their dietary preferences have the potential to greatly impact seagrasses in this system. Twenty-four hour feeding trials were conducted to determine pinfish preference between seagrass (Thalassia testudinum) and algal epiphytes. St. Joseph Bay, FL was also surveyed to …
Delineation Of Aeromonas Hydrophila Pathotypes By Dectection Of Putative Virulence Factors Using Polymerase Chain Reaction And Nematode Challenge Assay, John Metz
Master of Science in Integrative Biology Theses
Aeromonas hydrophila is a Gram-negative, bacterial pathogen of humans and other vertebrates. To delineate pathotypes, the genomes of twenty-eight Aeromonas isolates were screened by PCR to determine the presence of virulence factors including: aerolysin (aerA), cytotoxic enterotoxin (act), hemolysin (ahh1), elastase (ahyB), enolase (eno), S-layer protein (ahsA), serine protease (ser), Type IV Aeromonas pilus (tapA), lipase (lip), and Type Three Secretion System (T3SS) components (aopB, ascV). Genes for ahh1, lip, ser, and ahyB …
Akirin-Mediated Gene Regulation During Cardiac Development, Austin M. Howard
Akirin-Mediated Gene Regulation During Cardiac Development, Austin M. Howard
Master of Science in Integrative Biology Theses
The highly conserved nuclear protein Akirin was previously identified as a cofactor that modulates Twist transcription factor activity during muscle development in Drosophila melanogaster. Akirin mediates an interaction between the Twist transcription factor and the multisubunit Brahma SWI/SNF-class chromatin remodeling complex at control elements of the Dmef2 locus to maintain optimal myogenic gene expression levels. Therefore, Akirin represents a class of novel secondary cofactors that work with transcription machinery to link transcription factor output with chromatin remodeling machinery to facilitate gene expression. Previous work establishes that Twist and Akirin also interact at Twist-responsive control elements of the tinman gene, …
Eph-Ephrin Signaling And The Role Of Efn-4 In Caenorhabditis Elegans Nervous Systems Development, Alicia Schwieterman
Eph-Ephrin Signaling And The Role Of Efn-4 In Caenorhabditis Elegans Nervous Systems Development, Alicia Schwieterman
Master of Science in Integrative Biology Theses
Eph receptor tyrosine kinases and their ephrin ligands are required for multiple aspects of nervous system development including axon outgrowth, synaptic plasticity, and the formation of topographic maps in the visual system. The Caenorhabditis elegans ephrin-A, efn-4, has a defined role in hypodermal patterning but its role in nervous system development is not well understood. We find that loss-of-function mutations in efn-4 lead to suppression of axon branching in C. elegans model of X-linked Kallmann syndrome, a human genetic disorder that presents with loss of sense of smell and failure to undergo spontaneous puberty. In addition, efn-4 mutants have …
Phytoextraction Of Lead From Contaminated Urban Soils By Panicum Virgatum Enhanced With Phytohormone, Edta, Benomyl, And Citric Acid Application, Matthew Aderholt
Phytoextraction Of Lead From Contaminated Urban Soils By Panicum Virgatum Enhanced With Phytohormone, Edta, Benomyl, And Citric Acid Application, Matthew Aderholt
Master of Science in Integrative Biology Theses
Lead (Pb) contamination in soil represents a threat to human health and cleanup efforts often requires expensive or environmentally disruptive techniques. Phytoextraction has gained attention as a possible alternative to traditional remediation methods because of lower cost and minimal soil disruption. Panicum virgatum L. (switchgrass) was chemically enhanced with applications of the soil-fungicide benomyl, chelates (EDTA and citric acid), and phytohormones for phytoextraction of Pb from contaminated urban soils in Atlanta, GA. EDTA is often regarded as the most effective chelate, but has potential problems associated with its use due to long persistence time in soil and possible Pb mobilization …