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Articles 1 - 9 of 9
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Supersize It! Developing A "Supercytoplast" Through Platelet Fusion, Taulbee B. Gunter
Supersize It! Developing A "Supercytoplast" Through Platelet Fusion, Taulbee B. Gunter
Animal Science Undergraduate Honors Theses
Stem cell research opens a wide range of possibilities from lab-grown tissues for medical purposes to cloned animals for livestock production. The issue with one of the most popular forms of cell recombination into a stem cell, known as somatic cell nuclear transfer (SCNT), is that it requires an oocyte. The requirement of an oocyte is often the host of public scrutiny for its economic and ethical issues. Platelets may offer a less expensive and more accessible alternative to oocytes as sources of naturally enucleated cells. Thus, the objective of this explorative research project is to isolate and fuse platelets …
Dissecting The Cellular Control Of Septin Organization In A Global Cereal Killer, Nawaraj Dulal
Dissecting The Cellular Control Of Septin Organization In A Global Cereal Killer, Nawaraj Dulal
Graduate Theses and Dissertations
Rice blast disease, caused by the filamentous fungus Magnaporthe oryzae, destroys sufficient rice each year to feed 60 million people, and is a serious threat to global food security. A wheat-adapted lineage of M. oryzae now poses threat to global wheat production. Rice blast disease is currently controlled using limited fungicides, and the emergence of fungicide resistance within M. oryzae populations is a growing concern. There is a pressing need to identify new classes of fungicides to control the disease, which requires better understanding of the basic biology of the pathogen. To establish disease, M. oryzae forms a specialized dome …
Phenotypic Switching Of Bacterial Cells In Extreme Environments, Sudip Nepal
Phenotypic Switching Of Bacterial Cells In Extreme Environments, Sudip Nepal
Graduate Theses and Dissertations
A large number of terrestrial microbial lives thrive in extremes of environmental conditions, including extremes of pressure, temperature, salinity, pH, and a combination of them. For example, all the marine biomass thrive at high hydrostatic pressure depending on depth. The temperature in the ocean can be very high near the hydrothermal vents and salinity and pH depends on the composition of salt in the surrounding areas. On the surface, hot springs, lakes and geysers provide high temperature conditions, while many places are permafrost regions with subzero temperatures. There is an emerging body of work on the viability, genomics, and metagenomics …
Nutritional Supplementation And Skeletal Muscle Health In Chronic Diseases, Hexirui Wu
Nutritional Supplementation And Skeletal Muscle Health In Chronic Diseases, Hexirui Wu
Graduate Theses and Dissertations
Prevalence of chronic diseases in the United States keeps increasing in recent years. There are approximately four in ten adults having chronic diseases in America. Chronic diseases include obesity, aging, heart diseases, cancer and many others. This thesis mainly focuses on obesity and aging. Skeletal muscle performance is impaired in obesity and aging conditions. One common reason causing this could be higher fat mass and lower muscle mass. However, there is no study showing what pathways are involved in the imbalance of body composition. Therefore, the first objective of the thesis is to determine gene expression of selected pathways in …
Mitochondrial Deletions And Their Disease-Causing Effects, Austin Bell
Mitochondrial Deletions And Their Disease-Causing Effects, Austin Bell
Biological Sciences Undergraduate Honors Theses
The mitochondria perform a plethora of important functions within the cell, with one of the most paramount being ATP production. Deregulation of its function can have dire consequences on cellular functions. Mutations such as deletions within the mitochondrial DNA (mtDNA) can cause disease within the patients affected. These diseases often affect children, causing symptoms such as gradual loss of eyesight and hearing, diabetes, and other problems that lower the quality of life. The mitochondria are also very dynamic organelles that undergo rounds of fission and fusion to keep up with the metabolic needs of cells, necessitating a homeostatic balance between …
A Putative Cystathionine Beta-Synthase Homolog Of Mycolicibacterium Smegmatis Is Involved In De Novo Cysteine Biosynthesis, Saroj Kumar Mahato
A Putative Cystathionine Beta-Synthase Homolog Of Mycolicibacterium Smegmatis Is Involved In De Novo Cysteine Biosynthesis, Saroj Kumar Mahato
Graduate Theses and Dissertations
Mycobacteria include serious pathogens of humans and animals. Mycolicibacterium smegmatis is a non-pathogenic model that is widely used to study core mycobacterial metabolism. This thesis explores mycobacterial pathways of cysteine biosynthesis by generating and study of genetic mutants of M. smegmatis. Published in vitro biochemical studies had revealed three independent routes to cysteine synthesis in mycobacteria involving separate homologs of cysteine synthase, namely CysK1, CysK2, and CysM. However, in vivo data were lacking. The M. smegmatis genome encodes only a CysM homolog and lacks orthologs for CysK1 or CysK2. The gene that codes for CysM is a part of an …
Cloning, Protein Expression, And Characterization Of Interleukin 1 Alpha, Musaab Habeeb Ali Al Ameer
Cloning, Protein Expression, And Characterization Of Interleukin 1 Alpha, Musaab Habeeb Ali Al Ameer
Graduate Theses and Dissertations
Recombinant DNA technology and the ability to produce recombinant proteins have significantly changed the world of pharmaceutical market. Recombinant DNA technology using E. coli cells has successfully produced many therapeutic proteins. In this study, the designed tag Ark-RUBY-tag facilitates rapid, and reproducible purification of recombinant proteins expressed as inclusion bodies in E. coli cells. Purification of Ark-RUBY-fused recombinant protein(s) can be obtained by using imidazole fractions. Target protein can be easily removed from the Ark-RUBY-tag by enzymatic cleavage. Ark-RUBY-fused recombinant proteins can be quantitatively detected using polyclonal antibodies. Ark-RUBY-tag can be used to purify small peptides. By using Ark-RUBY-tag, purified …
Cloning, Expression, Purification And Characterization Of Heparin-Binding Pocket Of Recombinant Fgf1, Quratulayn Ashraf
Cloning, Expression, Purification And Characterization Of Heparin-Binding Pocket Of Recombinant Fgf1, Quratulayn Ashraf
Graduate Theses and Dissertations
Fibroblast growth factors are polypeptide members of the FGF family, which to date comprises of at least 22 members. They belong to a group of growth factors and are involved in a variety of cellular processes including wound healing, angiogenesis, differentiation and development (organogenesis). Amongst FGF members, human acidic FGF-1 and basic FGF-2 are the most characterized. FGF-1 and FGF-2 are known to share more than 80% sequence similarity and have an identical structural fold. However, their biological roles are quite different. FGFs bind to heparin and heparan sulfate ligands through their heparin-binding pockets. The interactions are primarily electrostatic in …
Structural And Functional Characterization Of Mitochondria With Trna Mutations, Brooke Henry
Structural And Functional Characterization Of Mitochondria With Trna Mutations, Brooke Henry
Biological Sciences Undergraduate Honors Theses
Mitochondrial encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) is one of the most common disorders associated with mitochondrial tRNA mutations. One of the most common causes of MELAS is mutation in the MT-TL1 gene which codes for mitochondrial tRNA Leucine (UUR). Mutation in MT-TE gene, another mitochondrial gene which encodes for mitochondrial tRNA Glutamate (GAA/G), has been implicated in various mitochondrial related myopathies. It remains unclear how point mutations in these tRNA genes result in disease onset and progression. Here, we report an early comparative analysis of fibroblast cell lines derived from patients carrying two different tRNA mutations: m.3243A>G …