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Articles 1 - 7 of 7
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Water Temperature And Harmful Algal Bloom Rate, Geoff Bright, Greg Michalski, Benjamin P. Wilkins
Water Temperature And Harmful Algal Bloom Rate, Geoff Bright, Greg Michalski, Benjamin P. Wilkins
The Summer Undergraduate Research Fellowship (SURF) Symposium
Harmful algal blooms, made up of cyanobacteria, is an increasing problem in Midwestern lakes. Nitrogen and phosphorus fertilizers used in crops such as corn and soybeans run off into streams and eventually lakes. Nitrogen and phosphorus in the form of nitrate and phosphate respectively is then used by cyanobacteria as a food source, allowing them to bloom at an alarming rate. Massive bloom events can be hazardous to both human health and the natural environment because of the release of neurotoxins, hepatotoxins and others into the air and drinking water. We set out to find if different water temperature can …
Structural And Functional Characterization Of Hyper-Phosphorylated Grk5 Protein Expressed From E. Coli, Joseph M. Krampen, John Tesmer, Qiuyan Chen
Structural And Functional Characterization Of Hyper-Phosphorylated Grk5 Protein Expressed From E. Coli, Joseph M. Krampen, John Tesmer, Qiuyan Chen
The Summer Undergraduate Research Fellowship (SURF) Symposium
G protein-coupled receptor (GPCR) kinases (GRKs) are proteins in the cell responsible for regulating GPCRs located on the cell membrane. GRKs regulate active GPCRs by phosphorylating them at certain sites which causes them to stop normal signaling on the membrane. This ultimately affects how the cell responds to its environment. GRK5 is a kinase of particular interest due to its involvement in the pathology of diseases such as cardiac failure, cancers, and diabetes. Understanding the structure and function of GRK5 is essential for discovering ways to manipulate its behavior with these diseases, but not much is known about how GRK5 …
Engineering Bioluminescent Sensors Of Cyclic Amp To Study Opioid Signaling, Alexander L. Tesmer, Alexander R. French, Mathew Tantama
Engineering Bioluminescent Sensors Of Cyclic Amp To Study Opioid Signaling, Alexander L. Tesmer, Alexander R. French, Mathew Tantama
The Summer Undergraduate Research Fellowship (SURF) Symposium
Opioids are small signaling molecules which bind to opioid receptors on the surface of cells. The kappa opioid receptor (KOR) is one of three major types of opioid receptors found in human neurons. When an opioid binds to a KOR, a variety of biochemical signaling pathways are activated inside the cell. Each of these pathways are associated with different physiological effects of KOR activation. The production of a small signaling molecule, cyclic adenosine monophosphate (cAMP), is known to be inhibited during KOR activation of the analgesic (pain-killing) signaling pathway. The ability to interrogate the individual responses of KOR signaling pathways …
Improving Biomanufacturing Production With Novel Elp-Based Transcriptional Regulators, Juya Jeon, Logan R. Readnour, Kevin V. Solomon
Improving Biomanufacturing Production With Novel Elp-Based Transcriptional Regulators, Juya Jeon, Logan R. Readnour, Kevin V. Solomon
The Summer Undergraduate Research Fellowship (SURF) Symposium
Microbes can be used to produce valuable drugs, chemicals, and biofuels, but their potential has not been fully realized due to low production yields. To improve biomanufacturing processes and yield, we are developing novel, transcriptional regulators using biosynthesis technology in order to improve cellular health and overall production. Our regulator contains elastin-like polypeptides (ELPs), which make ideal sensors since they exhibit a sharp, inverse phase transition to indicators of cell health such as intracellular pH and ionic strength, and external stimuli such as temperature. We hypothesize that ELP can be fused to transcription factors to control expression of target genes. …
Cost-Effective Paper-Based Diagnostic Using Split Proteins To Detect Yeast Infections, Zachary R. Berglund, Kevin V. Solomon, Mohit S. Verma, Moiz Rasheed, Zachary Hartley, Kevin Fitzgerald, Kok Zhi Lee, Janice Chan, Julianne Dejoie, Makayla Schacht, Alex Zavala
Cost-Effective Paper-Based Diagnostic Using Split Proteins To Detect Yeast Infections, Zachary R. Berglund, Kevin V. Solomon, Mohit S. Verma, Moiz Rasheed, Zachary Hartley, Kevin Fitzgerald, Kok Zhi Lee, Janice Chan, Julianne Dejoie, Makayla Schacht, Alex Zavala
The Summer Undergraduate Research Fellowship (SURF) Symposium
The common yeast infection, vulvovaginal candidiasis, affects three out of four women throughout their lifetime and can be spread to their child in the form of oral candidiasis (thrush). This disease is caused by the fungal pathogen Candida albicans, which is also a major cause of systemic candidiasis, a rarer but deadly disease with up to a 49% lethality rate. Current widely-used diagnostic methods include cell cultures, pH tests, and antibody detection, to assist effective treatment. Despite availability of various diagnostic methods, there is no inexpensive, rapid, and accurate way to detect C. albicans infection. This project aims to …
Engineering Dub-Deficient Viral Proteases From Fipv And Pedv Coronaviruses, Daniel T. Wesenberg, Jozlyn R. Clasman, Andrew D. Mesecar
Engineering Dub-Deficient Viral Proteases From Fipv And Pedv Coronaviruses, Daniel T. Wesenberg, Jozlyn R. Clasman, Andrew D. Mesecar
The Summer Undergraduate Research Fellowship (SURF) Symposium
Coronaviruses form a class of viral pathogens lethal to humans and livestock. This issue is compounded by a lack of commercially available treatments or vaccines. In 2014, porcine epidemic diarrhea virus (PEDV) emerged in the United States and accounted for an estimated 7 million porcine deaths. Deaths of humans, companion animals, and livestock caused by coronaviruses highlight the need for therapeutic strategies to combat this devastating disease. One strategy involves engineering papain-like protease 2 (PLP2), an enzyme conserved among coronavirus species that is critical for virus replication and pathogenesis. PLP2’s de-ubiquitinating (DUB) activity aids in the suppression of the host’s …
Structural Characterization Of The Dep Domains Of P-Rex1, Samantha R. Allgood, John J.G. Tesmer, Sandeep K. Ravala
Structural Characterization Of The Dep Domains Of P-Rex1, Samantha R. Allgood, John J.G. Tesmer, Sandeep K. Ravala
The Summer Undergraduate Research Fellowship (SURF) Symposium
P-Rex1 is a guanine nucleotide exchange factor for Rho-GTPases, which is indirectly involved in the regulation of cell migration and proliferation. It contains a tandem DH/PH domain archetypal of the Dbl family of GEFs, two DEP and two PDZ domains, and a C-terminal end with weak homology to inositol polyphosphate 4-phosphatase. P-Rex1 is regulated by both intra-domain interactions and interactions with other proteins such as G-protein beta gamma, PKA and phosphatidylinositol (3,4,5)-trisphosphate. Upregulation of P-Rex1 has been found in multiple human cancers, making it a potential target for anti-cancer drug therapies. Therefore, structural characterization of P-Rex1 is critical. Currently, only …