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Articles 1 - 15 of 15
Full-Text Articles in Virology
Vircy-Seq : A Protocol For Characterizing Viral Activity, Tyler James Dion
Vircy-Seq : A Protocol For Characterizing Viral Activity, Tyler James Dion
Legacy Theses & Dissertations (2009 - 2024)
The main purpose of pharmaceutical production is to produce safe effective medicine for patient use. In an effort to ensure patient safety constant surveillance for viruses takes place. The detection of a viral nucleic acid in a pharmaceutical production setting results in investigations to assess its infectious potential. This is an intensive, expensive process that entails many tests such as the observation of hemadsorption, cytopathic effects (CPE), and more. These tests are typically specific and only capture certain viruses, as factors like CPE can only be observed in some viral species. A new investigational method that is effective on all …
Mathematical Modeling Suggests Cooperation Of Plant-Infecting Viruses, Joshua Miller, Vitaly V. Ganusov, Tessa Burch-Smith
Mathematical Modeling Suggests Cooperation Of Plant-Infecting Viruses, Joshua Miller, Vitaly V. Ganusov, Tessa Burch-Smith
Chancellor’s Honors Program Projects
No abstract provided.
Virology: Mutagenizing The Proteolytic Cleavage Site In The Major Capsid Protein In Ssv1, Thejanee Liyanaarachchi
Virology: Mutagenizing The Proteolytic Cleavage Site In The Major Capsid Protein In Ssv1, Thejanee Liyanaarachchi
University Honors Theses
SSV1, spindle-shaped virus 1, is an archaeal virus with a unique shape that belongs to the family of fuselloviruses and infects hyperthermophilic archaea that thrive at 80°C and pH 3. SSV1 has two capsid proteins, VP1 and VP3, that presumably produce the lemon-shaped virion structure characteristic of fuselloviruses. The VP1 amino acid sequence is highly conserved among SSVs. Here, we investigate the importance of the proteolytic cleavage site in position E66 in VP1 by changing its glutamic acid to the other 19 amino acids. We have developed a new protocol for creating SSV1 mutants through HiFi Assembly (NEB) to increase …
Harness Organoid Models For Virological Studies In Animals: A Cross-Species Perspective, Yongming Sang, Laura C. Miller, Rahul K. Nelli, Luis Gabriel Giménez-Lirola
Harness Organoid Models For Virological Studies In Animals: A Cross-Species Perspective, Yongming Sang, Laura C. Miller, Rahul K. Nelli, Luis Gabriel Giménez-Lirola
Agricultural and Environmental Sciences Faculty Research
Animal models and cell culture in vitro are primarily used in virus and antiviral immune research. Whereas the limitation of these models to recapitulate the viral pathogenesis in humans has been made well aware, it is imperative to introduce more efficient systems to validate emerging viruses in both domestic and wild animals. Organoids ascribe to representative miniatures of organs (i.e., mini-organs), which are derived from three-dimensional culture of stem cells under respective differential conditions mimicking endogenous organogenetic niches. Organoids have broadened virological studies in the human context, particularly in recent uses for COVID19 research. This review examines the status and …
Editorial: Pathogens, Pathobionts, And Autoimmunity, Linda A. Spatz, Gregg J. Silverman, Judith A. James
Editorial: Pathogens, Pathobionts, And Autoimmunity, Linda A. Spatz, Gregg J. Silverman, Judith A. James
Publications and Research
No abstract provided.
An Uncultivated Virus Infecting A Symbiotic Nanoarchaeota In The Hot Springs Of Yellowstone National Park, Jacob H. Munson-Mcgee, Colleen Rooney, Mark J. Young
An Uncultivated Virus Infecting A Symbiotic Nanoarchaeota In The Hot Springs Of Yellowstone National Park, Jacob H. Munson-Mcgee, Colleen Rooney, Mark J. Young
Computer Science Faculty Publications and Presentations
The Nanoarchaeota are small cells with reduced genomes that are found attached to and dependent on a second archaeal cell for their growth and replication. Initially found in marine hydrothermal environments and subsequently in terrestrial geothermal hot springs, the Nanoarchaeota species that have been described are obligate ectobionts, each with a different host species. However, no viruses have been described that infect the Nanoarchaeota. Here we identify a virus infecting Nanoarchaeota using a combination of viral metagenomic and bioinformatic approaches. This virus, tentatively named Nanoarchaeota Virus 1 (NAV1), consists of a 35.6kb circular DNA genome encoding for 52 proteins. We …
Identification And Characterisation Of Novel Phages Of Pectobacterium And Erwinia, Colin Buttimer
Identification And Characterisation Of Novel Phages Of Pectobacterium And Erwinia, Colin Buttimer
PhDs
Losses in crop yields due to disease need to be reduced to meet increasing global food demands associated with growth in the human population. There is a well-recognised need to develop new environmentally-friendly control strategies to combat bacterial crop diseases. There are several crop diseases for which no effective bactericidal agents are currently available, such as potato blackleg and soft rot disease caused by Pectobacterium atrosepticum and other members of soft rot Enterobacteriaceae (Czajkowski et al., 2011). Furthermore, current control measures involving the use of traditional chemicals or antibiotics are losing their efficacy due to the natural development of bacterial …
Comparative Genetic And Genomic Analysis Of The Novel Fusellovirus Sulfolobus Spindle-Shaped Virus 10, David Andrew Goodman
Comparative Genetic And Genomic Analysis Of The Novel Fusellovirus Sulfolobus Spindle-Shaped Virus 10, David Andrew Goodman
Dissertations and Theses
Viruses that infect thermophilic Archaea are unique in both their structure and genetic makeup. The lemon-shaped fuselloviruses - which infect members of the order Sulfolobales, growing optimally at 80º C and pH 3 - are some of the most ubiquitous and best studied viruses of the thermoacidophilic Archaea. They provide a malleable and useful genetic tool for probing into the functions of their host, as well as the host responses to infection. Nonetheless, much about these viruses remains to be learned to further understand their morphological, genetic, and life cycle characteristics.
In order to investigate these aspects of these …
Building From The Hiv Response Toward Universal Health Coverage, Jonathon Jay, Kent Buse, Marielle Hart, Robert Marten, Scott Kellerman, Morolake Odetoyinbo, Jonathan D. Quick, Timothy Evans, Peter Piot, Mark Dybul, Agnes Binagwaho
Building From The Hiv Response Toward Universal Health Coverage, Jonathon Jay, Kent Buse, Marielle Hart, Robert Marten, Scott Kellerman, Morolake Odetoyinbo, Jonathan D. Quick, Timothy Evans, Peter Piot, Mark Dybul, Agnes Binagwaho
Dartmouth Scholarship
Universal health coverage (UHC) has gained prominence as a global health priority. The UHC movement aims to increase access to quality, needed health services while reducing financial hardship from health spending, particularly in low- and middle- income countries.
As a policy agenda, UHC has been identified primarily with prepayment and risk-pool- ing programs. While financing policies provide important benefits, increasing access to health services will require broader reforms.
For lessons, the UHC movement should look to the global HIV response, which has confronted many of the same barriers to access in weak health systems. Considerable success on HIV has resulted …
Investigating The Infection And Persistence Of Sindbis Virus In Host Neurons, Gavin Schroter, Sally Hall, Monica Borucki
Investigating The Infection And Persistence Of Sindbis Virus In Host Neurons, Gavin Schroter, Sally Hall, Monica Borucki
STAR Program Research Presentations
Sindbis virus, an Alphavirus in the Togaviridae family, is an enveloped, single-stranded positive-sense RNA virus. Found mostly in parts of Africa, Australia, Egypt, Philippines, and Northern Europe – it is known to cause Ockelbo or Pogosta disease [1]. This disease is characterized by the sudden onset of fever, headache, and arthralgia; followed by arthritis, rash, fatigue, and muscle pain. The symptoms are gone within 14 days, though cases have shown joint pain to last from 12 months to 2 and a half years [4]. Common to several other viruses, Sindbis is transmitted from birds (its reservoir) to humans via an …
A Genetic And Biochemical Analysis Of Sulfolobus Spindle-Shaped Virus 1, Eric Alexander Iverson
A Genetic And Biochemical Analysis Of Sulfolobus Spindle-Shaped Virus 1, Eric Alexander Iverson
Dissertations and Theses
Viruses infecting the Archaea exhibit a tremendous amount of morphological and genetic diversity. This is especially true for crenarchaeal viruses from the family Fuselloviridae, which possess spindle-shaped capsids and genomes that harbor a great number of uncharacterized genes. The functions of these unidentified gene products are of interest as they have the potential to provide valuable insights into the fusellovirus infection cycle and archaeal viruses in general. In an effort to better characterize the genetic requirements of the Fuselloviridae, we have performed genetic and biochemical experiments using the best studied fusellovirus, Sulfolobus spindle-shaped virus 1 (SSV1).
A comprehensive …
The Effect Of Environmental Selection Pressure On The Rate Of Recombination To An Advantageous Receptor Mutation In Bovine Coronavirus, Gavin Schroter, Sally Hall, Mona Hwang, Monica Borucki
The Effect Of Environmental Selection Pressure On The Rate Of Recombination To An Advantageous Receptor Mutation In Bovine Coronavirus, Gavin Schroter, Sally Hall, Mona Hwang, Monica Borucki
STAR Program Research Presentations
Bovine Coronavirus (BCoV) is an important analogue in understanding the effectiveness of zoonotic, single-stranded, positive sense RNA viruses. Many of the most recent viral outbreaks have been attributed to RNA viruses that have one, or more, animal reservoirs [1]. BCoV is such a great candidate for studying these types of viruses because they are from the family Coronaviridae, which also contains the viruses that cause severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). The goal of this study was to observe changes in genetic makeup of the virus’ outer membrane Spike protein via recombination between two …
Marine And Freshwater Cyanophages In A Laurentian Great Lake: Evidence From Infectivity Assays And Molecular Analyses Of G20 Genes, Steven W. Wilhelm, Matthew J. Carberry, Melanie L. Eldridge, Leo Poorvin, Matthew A. Saxton, Martina A. Doblin
Marine And Freshwater Cyanophages In A Laurentian Great Lake: Evidence From Infectivity Assays And Molecular Analyses Of G20 Genes, Steven W. Wilhelm, Matthew J. Carberry, Melanie L. Eldridge, Leo Poorvin, Matthew A. Saxton, Martina A. Doblin
OES Faculty Publications
While it is well established that viruses play an important role in the structure of marine microbial food webs, few studies have directly addressed their role in large lake systems. As part of an ongoing study of the microbial ecology of Lake Erie, we have examined the distribution and diversity of viruses in this system. One surprising result has been the pervasive distribution of cyanophages that infect the marine cyanobacterial isolate Synechococcus sp. strain WH7803. Viruses that lytically infect this cyanobacterium were identified throughout the western basin of Lake Erie, as well as in locations within the central and eastern …
Isolation And Enumeration Of Enteric Viruses From Primary Wastewater Sludge, Michael Wayne Nath
Isolation And Enumeration Of Enteric Viruses From Primary Wastewater Sludge, Michael Wayne Nath
Biological Sciences Theses & Dissertations
The presence of large numbers of enteric viruses in wastewaters has resulted in concern regarding their significance and consequences for humans. Assessments of relative significance or consequences may most accurately be made following precise measurements of the range of virus types and amounts in wastewaters and sludges and after epidemiological considerations. In this study, results are presented pertaining to enteric virus isolation, concentration, and enumeration from primary wastewater sludges.
As an integral part of a comparison of isolation procedures, several anionic surfactants were examined for extraction of enteric viruses from primary wastewater sludges. Plaquing efficiencies for poliovirus type 2 and …
New Laboratory For Virus Disease Studies, Department Of Agriculture, Western Australia
New Laboratory For Virus Disease Studies, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
Exotic diseases continually pose a threat to Australia's animal industries and the consequences of major outbreak could be disastrous.
If an outbreak should occur, it is essential that clinical diagnosis is confirmed without delay for control measures to be effective.
The completion of the new Virology Laboratory provides a building in which most exotic viral diseases could be handled with safety for diagnostic purposes in the event of an outbreak.