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Articles 1 - 25 of 25
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Phenotypic And Transcriptomic Characterization Of Colonial Phase Variation In The Cholera Pathogen Reveals A Novel Smooth Biofilm-Defective Form, Bliss Nicole Lambert
Phenotypic And Transcriptomic Characterization Of Colonial Phase Variation In The Cholera Pathogen Reveals A Novel Smooth Biofilm-Defective Form, Bliss Nicole Lambert
LSU Doctoral Dissertations
Biofilm formation, through the production of Vibrio polysaccharide (VPS), greatly enhances the environmental fitness and pathogenic success of Vibrio cholerae. As a result of phase variation, V. cholerae can switch from a smooth form to rugose, whose cells produce excess VPS, resulting in highly structured biofilms and greater resistance to stress. To further characterize the reversible process of phase variation, we isolated three colonial lineages. Each lineage began with a smooth parent, N16961, and contained a rugose variant derived from the parent, N16961R, as well as a smooth revertant of the rugose, N16961SD. We found clear phenotypic and transcriptomic …
Speciation And Hybridization In Jamaican-Endemic Streamertail Hummingbirds (Trochilus Polytmus And T. Scitulus), Caroline D. Judy
Speciation And Hybridization In Jamaican-Endemic Streamertail Hummingbirds (Trochilus Polytmus And T. Scitulus), Caroline D. Judy
LSU Doctoral Dissertations
Streamertails hummingbirds (Trochilus polytmus and T. scitulus) are recently diverged sister taxa that appear to have speciated in situ on the island of Jamaica. They are distinguished by male bill color, a secondary sexual trait that is coral red in T. polytmus and jet black in T. scitulus. They hybridize in a narrow zone where their ranges meet in eastern Jamaica. In Chapter 2, I performed a formal population survey of T. scitulus to determine the size of the population, which was unknown. I determined that the total population contains well over 100,000 individuals despite its limited …
Intestinal Microbiome Composition Of An Acute In Vivo Alzheimer’S Disease Rat Model, Jimmy Saravia
Intestinal Microbiome Composition Of An Acute In Vivo Alzheimer’S Disease Rat Model, Jimmy Saravia
Honors Theses
No abstract provided.
Physiological And Genomic Characterization Of Novel Isolate From Om252 Clade Of The Gammaproteobacteria, Emily Nall
Physiological And Genomic Characterization Of Novel Isolate From Om252 Clade Of The Gammaproteobacteria, Emily Nall
Honors Theses
No abstract provided.
A Virtual Screen For Protein Targets: Elucidating Druggability In The Human Proteome With Efindsite, Omar Kana
A Virtual Screen For Protein Targets: Elucidating Druggability In The Human Proteome With Efindsite, Omar Kana
Honors Theses
No abstract provided.
Characterizing Putative Algal Bicarbonate Transporters In S. Cerevisiae & E. Coli Systems Using Transgenic Vectors, James J. Mickler
Characterizing Putative Algal Bicarbonate Transporters In S. Cerevisiae & E. Coli Systems Using Transgenic Vectors, James J. Mickler
Honors Theses
No abstract provided.
Characterization Of The Interaction Between R. Conorii And Human Host Vitronectin In Rickettsial Pathogenesis, Abigail Inez Fish
Characterization Of The Interaction Between R. Conorii And Human Host Vitronectin In Rickettsial Pathogenesis, Abigail Inez Fish
LSU Doctoral Dissertations
Spotted Fever Group Rickettsia are inoculated into the mammalian host during hematophagous arthropod feeding. Once in the bloodstream and during dissemination, the survival of these pathogens is dependent upon their ability to evade innate host defenses until a proper cellular target is reached. The establishment of a successful infection also relies on the ability of the bacteria to attach and invade target cells, as failure to do so results in destruction of the bacterium. Rickettsia conorii expresses an outer membrane protein, Adr1, which binds the multifunctional human glycoprotein, vitronectin, to promote resistance to complement mediated killing. Homologs of Adr1 are …
Changes In Neural Activation Between Pre-Release And Post-Release Mouth Brooding Astatotilapia Burtoni Females, Victoria Oanh Huynh
Changes In Neural Activation Between Pre-Release And Post-Release Mouth Brooding Astatotilapia Burtoni Females, Victoria Oanh Huynh
Honors Theses
No abstract provided.
Ph Dependence Of Dna Binding By Dna Polymerase I From Pychromonas Ingrahamii And Single Stranded Binding Protein From Deinococcus Radiodurans, Olivia Leonovicz
Ph Dependence Of Dna Binding By Dna Polymerase I From Pychromonas Ingrahamii And Single Stranded Binding Protein From Deinococcus Radiodurans, Olivia Leonovicz
Honors Theses
No abstract provided.
Inhibition Of Carboxyltransferase From Escherichia Coli By Oxadiazolopyrazines, Margaret Mccarron
Inhibition Of Carboxyltransferase From Escherichia Coli By Oxadiazolopyrazines, Margaret Mccarron
Honors Theses
No abstract provided.
Epigenetic Misregulation As A Causal Agent Of Disease: Methylation Analysis And Rna Expression Quantification, Carter Pesson
Epigenetic Misregulation As A Causal Agent Of Disease: Methylation Analysis And Rna Expression Quantification, Carter Pesson
Honors Theses
No abstract provided.
Biochemical Characterization Of Fe-S Cluster Assembly Machinery In Methanogenic Archaea, Nicole Bryer
Biochemical Characterization Of Fe-S Cluster Assembly Machinery In Methanogenic Archaea, Nicole Bryer
Honors Theses
No abstract provided.
Analysis Of Young Alu Elements In The Squirrel Monkey (Saimiri) Lineage For Use As Species-Indicative Molecular Markers, Michael W. Denham
Analysis Of Young Alu Elements In The Squirrel Monkey (Saimiri) Lineage For Use As Species-Indicative Molecular Markers, Michael W. Denham
Honors Theses
No abstract provided.
Artemisia Scoparia Reduces The Effects Of Tnfα-Induced Lipolysis In Murine Adipocytes, Ruth Dunn
Artemisia Scoparia Reduces The Effects Of Tnfα-Induced Lipolysis In Murine Adipocytes, Ruth Dunn
Honors Theses
No abstract provided.
Defining A Species: A Look At The Relationship Of Papio And Theropithecus Using Alu Elements, Paulina Gonzalez-Quiroga
Defining A Species: A Look At The Relationship Of Papio And Theropithecus Using Alu Elements, Paulina Gonzalez-Quiroga
Honors Theses
No abstract provided.
An Investigation Of Maltose Transport System Induction In The Rugose Phase Variant Of Human Pathogen Vibrio Vulnificus, Hira Hasan
Honors Theses
No abstract provided.
Analysis Of Protein-Protein Interactions Between The Polybromo Subunit Of A Drosophila Melanogaster Chromatin Remodeling Complex And The Beaf Insulator Protein By Yeast-Two-Hybrid Assay, John Selloriquez
Honors Theses
No abstract provided.
3d Modeling And Animation Of The Temporomandibular Joint (Tmj) Of A Human Male With Implications For The Study Of Tmj Dysfunction, Breigh Sonnier
3d Modeling And Animation Of The Temporomandibular Joint (Tmj) Of A Human Male With Implications For The Study Of Tmj Dysfunction, Breigh Sonnier
Honors Theses
No abstract provided.
Infection Kinetics Of Rickettsia Asemboensis And Interaction With Rickettsia Felis Within The Cat Flea (Ctenocephalides Felis), Sabrina Magdalena Camille Valdes
Infection Kinetics Of Rickettsia Asemboensis And Interaction With Rickettsia Felis Within The Cat Flea (Ctenocephalides Felis), Sabrina Magdalena Camille Valdes
Honors Theses
No abstract provided.
Sine Language: Communicating Platy-1 Retrotransposon Propagation In The Aotus Lineage, Jackson Mierl
Sine Language: Communicating Platy-1 Retrotransposon Propagation In The Aotus Lineage, Jackson Mierl
Honors Theses
No abstract provided.
Efficacy Of Compound X (Bedoukian Research, Inc.) On Reducing Fecal Egg Count In Lambs, Mary M. France
Efficacy Of Compound X (Bedoukian Research, Inc.) On Reducing Fecal Egg Count In Lambs, Mary M. France
Honors Theses
No abstract provided.
R1 Retrotransposons In Drosophila Melanogaster Are Transcribed By Rna Polymerase I Upon Heat Shock, Himanshu Shekhar Raje
R1 Retrotransposons In Drosophila Melanogaster Are Transcribed By Rna Polymerase I Upon Heat Shock, Himanshu Shekhar Raje
LSU Doctoral Dissertations
The ribosomal RNA genes of Drosophila melanogaster reside within centromere-proximal nucleolar organizers on both the X and Y chromosomes. Each locus contains between 200-300 tandem repeat rDNA units that encode 18S, 5.8S, and 28S ribosomal RNAs (rRNAs) for ribosome biogenesis. In arthropods like Drosophila, about 60% of rDNA genes are inserted with R1 and/or R2 retrotransposons at specific sites within the 28S regions; these units likely fail to produce functional 28S rRNA. We showed previously that R2 expression increases upon nucleolar stress caused by the loss of a ribosome assembly factor, the Nucleolar Phosphoprotein of 140 kDa (Nopp140). Here …
Evolution Of Alu Elements In The Saimiri And Papio Lineages Of Primates, Jasmine Nicole Brown Baker
Evolution Of Alu Elements In The Saimiri And Papio Lineages Of Primates, Jasmine Nicole Brown Baker
LSU Doctoral Dissertations
Alu elements are approximately 300 base pair (bp) primate specific non- autonomous retrotransposons. Alu elements, a short interspersed element (SINE), account for high copy numbers in all primate genomes. Numerous Alu element subfamilies have undergone varying degrees of activity and amplification within primates. Identification of these subfamilies has proved to be very informative in elucidating phylogenies and as phylogenomic markers. Squirrel monkeys, genus Saimiri, are one of the most well-known neotropical primates and the second most commonly used laboratory monkey. Squirrel monkey species diverged approximately 1.5 million years ago and are native to South America. Despite being well-known, there …
Upregulation Of Coilin Mrna Upon Nopp140-/- In Drosophila Melanogaster., Sara Grace Hubacek
Upregulation Of Coilin Mrna Upon Nopp140-/- In Drosophila Melanogaster., Sara Grace Hubacek
Honors Theses
No abstract provided.
Unintended Consequences For Tanf: An Incubator For Domestic Violence?, Kathryn Rose Deleo
Unintended Consequences For Tanf: An Incubator For Domestic Violence?, Kathryn Rose Deleo
Honors Theses
No abstract provided.