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Articles 1 - 6 of 6
Full-Text Articles in Molecular Biology
The Effects Of Salinity, Ph, Temperature, And Dissolved Oxygen On Sensitivity Of Pcr Identification Of T4 Bacteriophage, Joesph F. Cannon, Nicholas A. Thurn, Paul E. Richardson
The Effects Of Salinity, Ph, Temperature, And Dissolved Oxygen On Sensitivity Of Pcr Identification Of T4 Bacteriophage, Joesph F. Cannon, Nicholas A. Thurn, Paul E. Richardson
Journal of the South Carolina Academy of Science
Bacteriophages are used as indicators of pathogenic bacteria in drinking, and wastewaters. They also show potential in limiting aquatic bacterial populations through their lytic properties. The effect of different water characteristics (salinity, pH, dissolved oxygen, and temperature) on the sensitivity of the PCR identification of virus particles were analyzed to determine at what levels bacteriophage can be detected in environmental samples. Results from this preliminary study indicate that a PCR bacteriophage detection technique has potential as a relatively efficient and economical indicator of coliform contamination in multiple aquatic environments. While further evaluation is needed, the protocol appears to function in …
Evaluating The Influence Of Environmental Factors On The Rate Of Extra-Pair Matings In Tropical And Temperate Populations Of The House Wren (Troglodytes Aedon), Kaitlin Claire Mckenney
Evaluating The Influence Of Environmental Factors On The Rate Of Extra-Pair Matings In Tropical And Temperate Populations Of The House Wren (Troglodytes Aedon), Kaitlin Claire Mckenney
Theses and Dissertations
Considerable variation exists in the rate of extra-pair matings (EPMs) in birds. Environmental variability likely influences EPM rates within species, but the effects of local environmental factors on EPM rates are largely unpredictable. To determine whether broad-scale environmental factors might be better predictors of EPM rates within species, we quantified levels of extra-pair paternity in the house wren (Troglodytes aedon) in four populations spanning a range of latitude, elevation, and primary productivity (measured by actual evapotranspiration rates). Our results indicated an intermediate and variable level of EPM among populations (6 -31% extra-pair young) that was not significantly affected by 3 …
Purification And Characterization Of Oxidation-Resistant Ribonuclease Inhibitor Variants, Alec W. Uebersohn
Purification And Characterization Of Oxidation-Resistant Ribonuclease Inhibitor Variants, Alec W. Uebersohn
Lawrence University Honors Projects
Ribonuclease inhibitor (RI) is an intracellular mammalian protein which binds vertebrate-specific ribonucleases; this interaction is one of the tightest non-covalent interactions yet discovered. The biological activity of RI is poorly understood, but it is thought to regulate the biological functions of ribonucleases, which include initiating blood vessel growth, maintaining neuron viability, attacking pathogens, and mediating cell stress responses. RI is also involved in pathways unrelated to ribonucleases, including interactions with Drosha and PTEN, an anti-tumor protein.
One of the defining characteristics of RI is its oxidation sensitivity, a result of its unusually high cysteine content. The oxidation of RI is …
Quorum Sensing In Vibrios And Cross-Species Activation Of Bioluminescence Lux Genes By Vibrio Harveyi Luxr In An Arabinose-Inducible Escherichia Coli Expression System, Anne Marie Wannamaker
Quorum Sensing In Vibrios And Cross-Species Activation Of Bioluminescence Lux Genes By Vibrio Harveyi Luxr In An Arabinose-Inducible Escherichia Coli Expression System, Anne Marie Wannamaker
Theses and Dissertations
Bacterial bioluminescence is observed in over twenty known species, primarily in the family Vibrionaceae. However, only Vibrio fischeri and Vibrio harveyi bioluminescence expression mechanisms are well studied. In V. harveyi, expression of the lux operon is activated by the transcription factor LuxR (LuxRVH), resulting in bioluminescence. Homologs of LuxRVH in other Vibrio species have been shown to regulate transcription of a variety of genes. Three parallel quorum sensing pathways co-regulate the expression of LuxRVH. The first objective was to assess possible quorum sensing regulation of lux operon expression in V. cholerae, V. chagasii, …
Evolutionary And Molecular Analysis Of Conserved Vertebrate Immunity To Fungi, Erin Carter
Evolutionary And Molecular Analysis Of Conserved Vertebrate Immunity To Fungi, Erin Carter
Honors College
The innate immune system is highly conserved amongst all multicellular organisms. Yet a constant battle exists between host cells and pathogens due to the rapid evolution of immune system components. Functional genomics and in silico methods can be employed to elucidate the evolutionary patterns of vertebrate immunity to pathogenic fungi such as Candida albicans, an opportunistic fungal pathogen that can cause lethal candidiasis in the immunocompromised. Mammals such as humans and mice possess conserved C-type lectin receptors that recognize the C. albicans cell wall. However, these receptors have not been identified in fish. Here I describe how we identified potential …
Inhibition Of Bacillus Cereus Growth By Bacteriocin Producing Bacillus Subtilis Isolated From Fermented Baobab Seeds (Maari) Is Substrate Dependent, Donatien Kaboré, Dennis S. Nielsen, Hagrétoui Sawadogo-Lingan, Bréhima Diawara, Mamoudou H. Dicko Prof., Mogens Jakobsen, Line Thorsen
Inhibition Of Bacillus Cereus Growth By Bacteriocin Producing Bacillus Subtilis Isolated From Fermented Baobab Seeds (Maari) Is Substrate Dependent, Donatien Kaboré, Dennis S. Nielsen, Hagrétoui Sawadogo-Lingan, Bréhima Diawara, Mamoudou H. Dicko Prof., Mogens Jakobsen, Line Thorsen
Pr. Mamoudou H. DICKO, PhD