Michael Fuller and Dr. Gregory Burton, Microbiology Over the last semester, I have been engaged in studying the ability of macrophages to pick up HIV from follicular dendritic cells (FDC) in the follicles of the lymph nodes. Research by Dr. Gregory F. Burton of Brigham Young University has shown that HIV virions held on the […]
Ion Channel Permeation: Kinetic Modeling of Ion/Side-Chain Electrostatic Interactions in Native and Fluorinated Gramicidin Channels
Adam S. Frost and Professor David D. Busath, Zoology Gramicidin A is a 15-amino acid peptide produced by several strains of the bacteria Bacillus brevis. The primary sequence of gramicidin A is HCO-L-Val-Gly-L-Ala-D-Leu-L-Ala-D-Val-LVal- D-Val-L-Trp-D-Leu-L-Trp-D-Leu-L-Trp-D-Leu-L-Trp-NHCH2CH2OH. The side-chains alternate chirality, with the odd-numbered residues having the usual L-chirality and the evennumbered residues having D-chirality. The alternating chirality of the […]
Chemical and Taxonomic Analysis of Archaeological Soils of Piedras Negras, Guatemala
Fabián G. Fernández and Dr. Richard E. Terry, Agronomy and Horticulture New research techniques used in other fields such as agronomy, geophysics, geochemistry, etc. are used by archaeologists at the present time. These techniques have the potential to give useful information about ancient human activities. The chemical and taxonomic analysis of soils can be a […]
Comparison of the Shattering Characteristic of Glyphosate Resistant Canola with a Non-Resistant Variety
David L. Esplin and Dr. Larry S. Jeffery, Agronomy and Horticulture Shattering is a characteristic of many plants that are weeds in food crops. Several examples exist where a weed and a cultivated crop are different due to their shattering characteristic. For instance, Proso millet(Panicum miliaceum), a cultivated crop used for birdseed, is the same […]
Mutagenesis of the Voltage-Gated Na+ Channel: S4 Charge Interaction with u-Conotoxin
David Allan Edwards and Professor R. Paul Evans, Zoology Within the membrane of excitable cells like those of nerve and muscle tissue, lie proteins called ion channels, which control the passage of ions in and out of the cell. The flow of ions stimulates the action of the cell, which ultimately leads to contraction of muscle […]
The Finest View: Embryology in Four Dimensions, Research Results
Justin N. Craig and Dr. Robert E. Seegmiller, Zoology One of the most complicated and difficult to comprehend organ systems in embryological development is the nervous system. In the study of embryology, one realizes that the understanding of human origin exists and must be studied not only in three dimensions, but also the fourth, i.e. […]
Bone Density in College Women: The First Phase of a Two Phase Study of the Early, Modifiable Markers of Osteoporosis and the Effect of Calcium and Magnesium Supplements
Jason Boyd and Dr. Bruce H. Woolley, Food Science and Nutrition Introduction Peak bone mass of pre-menopausal women has been established as a major risk factor for postmenopausal osteoporosis and related bone fractures (4). Previous research evidence suggest that bone mass of both the peripheral and axial skeleton is stable for women before menopause (1,2). […]
Modified á-Zeins Containing Lysine Inserts Will Interact With ã-Zeins To Form Stable Protein Bodies in Transgenic Tobacco Endosperm
James Bird and Dr. Craig E. Coleman, Botany and Range Sciences Maize is one of the most abundantly produced grains on earth and is widely used in human and livestock diets. 90% of maize protein is found in the endosperm portion of the seed in the form of small spherical aggregates called protein bodies. These […]
Location of Enhancer Elements Within The Five Prime Region of the Collagen II Gene
Kristopher Bennion and Dr. Laura Bridgewater, Zoology In the beginning of the 1999 Fall semester I made a request for a scholarship for my efforts in research with DNA Recombination, specifically to locate enhancers along a defined length of the Collagen XI gene in Dr Bridgewater’s Lab. I desired a better understanding gene activation and […]
Creating A Gene Deletion in Scherichia coli
Brian J. Beames and Dr. William R. McCleary, Microbiology Introduction Two component systems are an integral part of a bacterial cell. They consist of a histidine kinase and a response regulator. The histidine kinase is a receptor protein that signals from the outside of the cell to the inside. Once a ligand binds to the […]
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