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Adenovirus 5 Vectors Expressing SARS-CoV-2 Proteins.
Bachus, Scott; Akkerman, Nikolas; Fulham, Lauren; Graves, Drayson; Stephanson, Caelan; Memon, Harram; Miller, Matthew S; Pelka, Peter.
  • Bachus S; Department of Microbiology, University of Manitobagrid.21613.37, Winnipeg, Manitoba, Canada.
  • Akkerman N; Department of Microbiology, University of Manitobagrid.21613.37, Winnipeg, Manitoba, Canada.
  • Fulham L; Department of Microbiology, University of Manitobagrid.21613.37, Winnipeg, Manitoba, Canada.
  • Graves D; Department of Microbiology, University of Manitobagrid.21613.37, Winnipeg, Manitoba, Canada.
  • Stephanson C; Department of Microbiology, University of Manitobagrid.21613.37, Winnipeg, Manitoba, Canada.
  • Memon H; Department of Microbiology, University of Manitobagrid.21613.37, Winnipeg, Manitoba, Canada.
  • Miller MS; Michael G. DeGroote Institute for Infectious Disease Research, McMaster Universitygrid.25073.33, Hamilton, Ontario, Canada.
  • Pelka P; Department of Microbiology, University of Manitobagrid.21613.37, Winnipeg, Manitoba, Canada.
mSphere ; 7(2): e0099821, 2022 04 27.
Article in English | MEDLINE | ID: covidwho-1714366
ABSTRACT
SARS-CoV-2 coronavirus is a recently identified novel coronavirus that is the causative agent of the COVID-19 pandemic that began in 2020. An intense research effort has been undertaken by the research community in order to better understand the molecular etiology of this virus and its mechanisms of host cell subjugation and immune system evasion. To facilitate further research into the SARS-CoV-2 coronavirus we have generated adenovirus 5-based viral vectors that express SARS-CoV-2 proteins-S, N, E, NSP7, NSP8, and NSP12 as hemagglutinin (HA)-tagged and untagged variants. We have also engineered two additional viruses that express the S protein receptor binding domain and a fusion of the receptor binding domain to the N protein. We show that these vectors are expressed in several different cell lines by Western blotting and real-time quantitative reverse transcriptase (qRT-PCR), we evaluate the subcellular localization of these viral proteins, and we show that these coronavirus proteins bind to a variety of cellular targets. The flexibility of adenovirus vectors allows them to be used in a variety of cell models and, importantly, in animal models as well. IMPORTANCE The COVID-19 pandemic caused by the SARS-CoV-2 coronavirus has brought untold personal and economic suffering to the world. Intense research has made tremendous progress in understanding how this virus works, yet much research remains to be done as new variants and continued evolution of the virus keep shifting the rules of engagement on the pandemic battlefield. Therefore, wide availability of resources and reagents to study SARS-CoV-2 is essential in overcoming the pandemic and for the prevention of future outbreaks. Our viral vectors provide additional tools for researchers to use in order to better understand the molecular biology of virus-host interactions and other aspects of SARS-CoV-2.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Etiology study / Experimental Studies Topics: Variants Limits: Animals / Humans Language: English Journal: MSphere Year: 2022 Document Type: Article Affiliation country: Msphere.00998-21

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Etiology study / Experimental Studies Topics: Variants Limits: Animals / Humans Language: English Journal: MSphere Year: 2022 Document Type: Article Affiliation country: Msphere.00998-21