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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 1 - 22 of 22
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Characterization Of The Atpase Activity Of Casding, Christian Cahoon
Characterization Of The Atpase Activity Of Casding, Christian Cahoon
Fall Student Research Symposium 2021
The battle between bacteria and phage has been ongoing for eons. This battle has generated the evolutionary pressure necessary for the development of microbial immune systems. Characterization of these systems has led to the discovery of molecular tools such CRISPR-Cas systems. This system uses a genetic memory of past viral infections coupled with associated proteins to form ribonucleoprotein complexes which seek out and destroy foreign genetic elements. These systems have been repurposed by scientists to create powerful gene editing tools such as Cas9. With such powerful molecular tools being discovered, we have pursued the characterization of a relatively unknown system, …
Determining The Nucleic Acid Binding Affinities Of Crispr-Associated Ding (Casding), Matt Armbrust
Determining The Nucleic Acid Binding Affinities Of Crispr-Associated Ding (Casding), Matt Armbrust
Fall Student Research Symposium 2021
CRISPR-Cas systems are adaptive prokaryotic immune systems that enable host cells to defend against attack from foreign nucleic acids such as phage infections or plasmids. CRISPR-Cas systems are diverse and encompass 2 classes, 6 types, and 33 subtypes. The Type IV-A CRISPR-Cas system from Pseudomonas aeruginosa strain 83 is composed of five different genes (csf1, csf2, csf3, cas6, and dinG). Type IV-A systems are poorly understood, and currently there is little research detailing their biological and biochemical mechanism of immunity. CasDinG, an ancillary protein within the Type IV-A system, is required for an immune response in vivo. However, the role …
Discovering Virally Encoded Proteins That Block Type Iv Crispr Immune Systems, Andrew Williams
Discovering Virally Encoded Proteins That Block Type Iv Crispr Immune Systems, Andrew Williams
Fall Student Research Symposium 2021
Bacteria and the viruses that infect them have been at war from the beginnings of life until today. Due to selective pressure from viral infection, bacteria have evolved various biological defense systems, including CRISPR-Cas systems that use a genetic memory of previous viral encounters to protect against future invasions. However, recently it has been shown that viruses have evolved counter-strategies to evade CRISPR systems. Virally encoded proteins called anti-CRISPRs use a variety of mechanisms to block the activity of CRISPR immune systems in order to infect bacterial cells. The Jackson lab at USU recently showed that a Type IV-A CRISPR-Cas …
Characterizing The Mechanisms Of C. Elegans Prmt1 Temperature Dependence, Arianna Towne
Characterizing The Mechanisms Of C. Elegans Prmt1 Temperature Dependence, Arianna Towne
Fall Student Research Symposium 2021
Over time, cellular enzymes evolve through amino acid mutations which allow them to remain functional at temperatures specific to the host organism. This activity may be partially or completely lost when enzymes are removed from their optimal temperature range, as is observed for the C. elegans protein arginine methyltransferase 1 (cPRMT1). This construct demonstrates maximum enzymatic activity at the C. elegans optimum of 20°C, but no activity at 37°C where activity for mammalian PRMT1 variants is observed. Given dysregulation of PRMT1 has been linked to various disease states, we are interested in exploiting the biophysical mechanisms of cPRMT1 temperature dependence …
College Of Natural Sciences Newsletter, December 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, December 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 12
Page 1 Dean's Message
Page 2 Awards & Recognition
Page 2 Media Coverage of CNS
Page 3 Media Coverage Cont.
Page 4 Science as Art Competition
Page 5 Open PRAIRIE Data
Page 5 Grants Awarded in CNS
College Of Natural Sciences Scholarship Brunch Program, November 6th 2021, College Of Natural Sciences
College Of Natural Sciences Scholarship Brunch Program, November 6th 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
This is the program for the first annual College of Natural Sciences Scholarship Brunch, held on November 6th, 2021 at McCrory Gardens.
College Of Natural Sciences Newsletter, November 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, November 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 11
Page 1 Dean's Message
Page 2 Awards & Recognition
Page 3 Media Coverage of CNS
Page 4 2021 Day of Scholars
Page 5 Astronomy Outreach
Page 6 SDSU Faculty & Students Host American Society for Microbiology Annual Conference
Page 7 Scholarship Brunch
Page 8 Open PRAIRIE Data, SI Final Exam Review Sessions
Page 9 Aamlid Family Anatomy Lab Photos
College Of Natural Sciences Newsletter, October 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, October 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 10
Page 1 Dean's Message
Page 2 Awards and Recognition; Introducing Natural Sciences Student Ambassadors
Page 3 Media Coverage of CNS
Page 4 Spooky Science Outreach
Page 5 The BIG Event Outreach
Page 6 Geography Club Road Trip
Page 7 Aamlid Family Anatomy Lab
Page 8 Hobo Day Recap
Page 10 Open PRAIRIE Data; Grants Awarded in CNS
College Of Natural Sciences Newsletter, September 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, September 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 9.
Page 1 Dean's Message
Page 2 Awards and Recognition
Page 3 Student Clubs in Natural Science
Page 4 Media Coverage of CNS
Page 5 Hobo Day Festivities
Page 6 Open PRAIRIE Data; Grants Awarded in CNS
Page 7 One Day for State Recap
College Of Natural Sciences Newsletter, August 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, August 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 8.
Page 1 Dean's Message
Page 2 Awards and Recognition
Page 3 Student Summer Research
Page 4 Media Coverage of CNS
Page 5 Wintrode Student Success Center
Page 6-7 Welcome to our new Faculty & Staff!
Page 8 One Day for State: Thursday, Sept. 2nd
Page 7 Open PRAIRIE Data; Fall Faculty Retreat 2021
College Of Natural Sciences Newsletter, July 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, July 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 7.
Page 1 Dean's Message
Page 2 Celebrating Three Years
Page 3 Summer School Travel
Page 4 Media Coverage of CNS
Page 5 Chemistry Teachers Visit
Page 5 Remembering Dr. Warren Hein
Page 6 Research Spotlights: Undergraduate Summer Experiences
Page 7 Open PRAIRIE Data; Grants Awarded in CNS
College Of Natural Sciences Newsletter, June 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, June 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 6.
Page 1 Dean's Message
Page 2-6 Remembering the Life of Dr. Pengra and Celebrating His legacy for Entire Generations to Come.
College Of Natural Sciences Newsletter, May 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, May 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 5.
Page 1 Dean's Message
Page 2 - 3 Awards & Recognition
Page 4 Research Spotlight: Dr. Xiaoyang Zhang
Page 5 Upcoming Retirements
Page 6 - 7 Geography Alumni Social, Recent Media Coverage
Page 8 Open PRAIRIE Data
Page 9 - 11 Spring 2021 Dean's List and Academic Recognitions
College Of Natural Sciences Newsletter, April 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, April 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 4
Page 1 Dean's Message
Page 2 & 3 Awards & Recognition
Page 4 Student Spotlight: Allsion Bjornstad
Page 5 Research Spotlight: Dr. Vondruska & Students
Page 6 Department Head Interviews
Page 7 Media Coverage of CNS
Page 8 Open PRAIRIE Data
Page 9 Student Club Spotlight: BMGSA
Page 10 Then & Now: Urban Geography
Cyclophilin D Is A Sensor Of Nano-Pulse Stimulation, Brittney Ruedlinger, Bani Hani Maisoun, Lucas Potter, Nicola Lai, Stephen J. Beebe
Cyclophilin D Is A Sensor Of Nano-Pulse Stimulation, Brittney Ruedlinger, Bani Hani Maisoun, Lucas Potter, Nicola Lai, Stephen J. Beebe
The Graduate School Posters
Nano-Pulse Stimulation (NPS), a pulsed power-derived technology, stimulates structural and functional changes in plasma membranes and cellular organelles. NPS induces a Ca2+ influx and opening of the mitochondrial permeability transition pore (mPTP) that dissipates the mitochondrial membrane potential (ΔΨm) and, when sustained, induces regulated cell death. Here we show that in rat cardiomyoblasts (H9C2) cyclophilin D (CypD) is a mitochondrial sensor for NPS as defined by observations that loss of ΔΨm is Ca2+ and mitochondrial reactive oxygen species (mROS) dependent and cyclosporin A (CsA)-sensitive, which are diagnostic qualities for effects on CypD and the mPTP. …
Influence Of Monovalent And Divalent Ions In The Conformational Change Of Caspase-Cleaved Par-4 (Cl-Par-4) Tumor Suppressor Protein, Krishna K. Raut, Komala Ponniah, Steven M. Pascal
Influence Of Monovalent And Divalent Ions In The Conformational Change Of Caspase-Cleaved Par-4 (Cl-Par-4) Tumor Suppressor Protein, Krishna K. Raut, Komala Ponniah, Steven M. Pascal
College of Sciences Posters
Prostate apoptosis response-4 (Par-4) is a pro-apoptotic tumor suppressor protein. We have shown that this 38 kDa full-length Par-4 (Fl-Par-4) protein is predominantly intrinsically disordered in vitro. In vivo, Par-4 is cleaved by caspase-3 at Asp-131 to generate a 24 kDa functionally active cleaved Par-4 (cl-Par-4) fragment. The cl-Par-4 protein inhibits the NF-κB-mediated cell survival pathway and causes selective apoptosis in various tumor cells. Our laboratory is interested in how the disorder-order balance within Fl-Par-4 and cl-Par-4 may be related to the balance between cell survival and cell death. Currently, we are using biophysical techniques such as circular …
College Of Natural Sciences Newsletter, March 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, March 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2. Issue 3
Contents:
Page 1 Dean's Message
Page 2-3 Awards and Recognition
Page 4 Student Club Spotlight: MICROBIOLOGY CLUB
Page 5 Research Spotlight: Dr. Chakravarty
Page 6 Open PRAIRIE Data; Grants Awarded in CNS; Research Collquia
Page 7 A Busy Month in Review; Media Coverage of the College
Open Neuroscience Initiative, Austin Lim
Open Neuroscience Initiative, Austin Lim
College of Science and Health Full Text Publications
The Open Neuroscience Initiative is a free-to-use textbook
This project began as a means to overcoming the financial burden that face undergraduate neuroscience students when buying textbooks. By compiling and writing a completely free-to-access textbook that covers the foundations of a typical college introduction to neuroscience course, students would have one less obstacle to overcome in their educational career, allowing them to focus their valuable time and attention on learning rather than finances. To make this project a reality, I began with a humble tweet in May 2019 that managed to gain a tiny bit of traction among the neuroscience …
The Inhibition Of Growth Of S. Cerevisiae, U. Maydis, And M. Lychinidis-Dioicae By Apiaecea Plant Extracts, Jackson M Hoffman, Jared Scott, David Schultz Phd
The Inhibition Of Growth Of S. Cerevisiae, U. Maydis, And M. Lychinidis-Dioicae By Apiaecea Plant Extracts, Jackson M Hoffman, Jared Scott, David Schultz Phd
Undergraduate Arts and Research Showcase
The Apiaceae family of plants contains over 3,500 species, many of which are used as food crops: vegetables (carrot, parsnip, celery, etc.), herbs (cilantro, fennel, dill, etc.), and spices (cumin, anise, caraway, etc.). Many spices have been shown to exhibit antimicrobial properties against both bacteria and fungi. We set out to determine if the Apiaceae spice extracts currently used in our lab for anticancer studies exhibit any antimicrobial properties. Ethanolic extracts were made from several Apiaceae seeds: Apium graveolens (celery), Cuminum cyminum (cumin), Anethum graveolens(dill), Foeniculum vulgare (fennel), Coriandrum satvium (coriander), Pimpinella ansium (anise), Trachyspermum ammi (ajwain), Carum carvi …
Transcriptional Repressor Protein Based Macrolide Biosensor Development With Improved Sensitivity, Jayani A. Christopher
Transcriptional Repressor Protein Based Macrolide Biosensor Development With Improved Sensitivity, Jayani A. Christopher
Graduate Research Posters
Macrolide antibiotics are in high demand for clinical applications. Macrolides are biosynthesized via giant assembly line polyketide synthases (PKS) which are arranged in a modular fashion. Combinatorial biosynthetic methods have been used to produce diversified macrolides by reprograming these modules and modifying tailoring enzymes required for post synthetic modifications. However it is challenging due to the size and complexity of PKSs. To overcome this challenge, new enzymes for macrolide diversification could be obtained by directed evolution where a large number of enzyme variants need to be screened. Therefore it is important to develop high throughput screening methods to identify the …
College Of Natural Sciences 2021 Year-End Publication, College Of Natural Sciences
College Of Natural Sciences 2021 Year-End Publication, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Page 2 Welcome, Table of Contents
Page 3 Our Departments: Highlights From 2021
Page 4 Overview of the College
Page 5 Overview of Bold & Blue
Pages 6, 7 Announcing the First Endowed Professorship in the College of Natural Sciences
Page 8 Spooky Science, Astronomy Outreach, SDSU Chemistry Research Features on Journal Cover
Page 9 Students Win Business Plan Competition With Aims to Improve Shelf Life of Produce, Summer Researchers
Page 10 NIH Grant Helps Unravel Rare Inflammatory Genetic Disorders, International Excellence in South Dakota
Page 11 The Next Frontier of Science Education: Virtual Reality, SDSU Researchers Uncover how Cancer …
The Effects Of Rolipram, A Selective Phosphodiesterase Inhibitor, On Immortalized Schwann Cell Proliferation, Akap95 And Cyclin D3 Expression, Kyle P. Kenney, Mary Pistack, Angela Asirvatham
The Effects Of Rolipram, A Selective Phosphodiesterase Inhibitor, On Immortalized Schwann Cell Proliferation, Akap95 And Cyclin D3 Expression, Kyle P. Kenney, Mary Pistack, Angela Asirvatham
Student Research Poster Presentations 2021
Schwann cells are a vital component of the Peripheral Nervous System and aid in the repair of axons following injury. The regulation of Schwann cell growth in vitro is facilitated by heregulin, a neuron-secreted growth factor, and an unknown mitogen that activates the cyclic adenosine monophosphate (cAMP) pathway. The abundance of intracellular cAMP is regulated by a family of enzymes called phosphodiesterases (PDEs). PDE inhibitors such as rolipram have therapeutic potential in various disorders and function by increasing the levels of intracellular cAMP. A-Kinase anchoring proteins (AKAPs), a family of scaffolding proteins that belong to the cAMP/Protein Kinase A (PKA) …