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Articles 1 - 6 of 6
Full-Text Articles in Molecular Biology
How A Cell Knows Where To Divide: Oscillation Of Mind In Vivo, Colby Ferreira
How A Cell Knows Where To Divide: Oscillation Of Mind In Vivo, Colby Ferreira
Senior Honors Projects
Over two-million people in the United States are infected by antibiotic resistant bacteria each year. Of this number 23,000 die from these infections and other complications. Due to this, novel antibiotic targets are constantly being investigated. One process in prokaryotes that holds promise is cellular division. Bacterial cells grow and reproduce using a series of proteins known as the cell division machinery. This machinery enables the division of the parental cell into two identical daughter cells. The cell division machinery is similar between bacterial taxa, making it an ideal target for new classes of antibiotics. Therefore, understanding the molecular mechanisms …
Crispr Gene Editing In The Sea Squirt, Ciona Intestinalis, Evelyn Siler, Steven Irvine
Crispr Gene Editing In The Sea Squirt, Ciona Intestinalis, Evelyn Siler, Steven Irvine
Senior Honors Projects
Genetic manipulation has come a long way in the past ten years alone. Scientists have had access to gene editing techniques for decades, but until recently these methods have proven to be expensive and unpredictable. However, thanks to the development of a new, more efficient genome editing strategy called CRISPR/Cas9, more aggressive progress can now be made in genetics research.
CRISPR is not a machine or a physical tool, but rather it is a system that involves introducing a protein into a cell, along with a DNA segment that will attract the protein to a desired location on the DNA. …
Genetic Testing And A Real World Case Of Lynch Syndrome, Paige Montanaro
Genetic Testing And A Real World Case Of Lynch Syndrome, Paige Montanaro
Senior Honors Projects
In recent years, advancements in genetic testing methods have revolutionized the medical field by enhancing the ability to identify persons with an inherited predisposition to cancer. According to the American Society for Clinical Oncology, individuals should undergo genetic testing when he or she meets the following criteria: the individual demonstrates familial history that indicates a predisposition to certain cancers, the test can be adequately interpreted, and the results will aid in the diagnosis, treatment, or management of the patient or additional family members at risk. Genetic testing can be done on samples of hair, skin, blood, amniotic fluid, or other …
The Role Of Cellulose Synthase-Like D Genes In Tip Growth Of Physcomitrella Patens, Erin E. Killeavy, Arielle Chaves, Alison Roberts
The Role Of Cellulose Synthase-Like D Genes In Tip Growth Of Physcomitrella Patens, Erin E. Killeavy, Arielle Chaves, Alison Roberts
Senior Honors Projects
Physcomitrella patens is a non-vascular plant with a relatively small genome and is amongst the few eukaryotic organisms that have a high rate of homologous recombination. This is valuable in biological research because it allows for targeted genetic modification of the organism. In vascular plants like Arabidopsis thaliana, a model organism, Cellulose Synthase-like D (CSLD) genes have been discovered to be important in tip growth. This type of growth is observed in the pollen tubes and root hairs of these plant types. The CSLD genes in Arabidopsis were found to play a crucial role in the growth of …
Clpxp Modulates Cell Growth And Morphology In Cell Shape Mutants Of E.Coli, Ryann Murphy
Clpxp Modulates Cell Growth And Morphology In Cell Shape Mutants Of E.Coli, Ryann Murphy
Senior Honors Projects
ClpXP modulates cell growth and morphology in cell shape mutants of E. coli
Ryann Murphy1 and Jodi L. Camberg1
1University of Rhode Island, Department of Cell and Molecular Biology, Kingston, RI, 02881
Penicillin Binding Proteins (PBPs) are a family of prokaryotic membrane proteins named for their propensity to bind the antibiotic penicillin and are involved in remodeling and deposition of peptidoglycan. In wild type Escherichia coli cells, the uniform rod shape is conserved across generations. E.coli cells containing multiple deletions of Low Molecular Weight (LMW) PBPs exhibit irregular shapes. LMW PBP5 (dacA) is a potential …
Mutation And Complementation Of A Cellulose Synthase (Cesa) Gene, Ahmed Y. El-Araby
Mutation And Complementation Of A Cellulose Synthase (Cesa) Gene, Ahmed Y. El-Araby
Senior Honors Projects
Cellulose is a carbohydrate polymer that is composed of repeating glucose subunits. Being the most abundant organic compound in the biosphere and comprising a large percentage of all plant biomass, cellulose is extremely plentiful and has a significant role in nature. Cellulose is present in plant cell walls, in commercial products such as those made from wood or cotton, and is of interest to the biofuel industry as a potential alternative fuel source. Although indigestible by humans, cellulose is nutritionally valuable, serving as a dietary fiber. Because of its ubiquity and importance in many areas, studying cellulose will prove to …