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Viruses, Volume 13, Issue 7

July 2021 - 232 articles

Cover Story: RNA-dependent RNA polymerases (RdRPs) play central roles in both transcription and viral genome replication. Sequential X-ray structures of the permutotetravirus Thosea asigna virus (TaV) RdRP catalytic complexes allowed defining the requirements for processive RNA synthesis by a non-canonical RdRP during replication elongation. These data also remark on the important similarity in mechanistic details between non-canonical and canonical polymerases, including those of flaviviruses with which the TaV RdRP shares important similarities. View this paper
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Articles (232)

  • Review
  • Open Access
5 Citations
3,056 Views
13 Pages

20 July 2021

The entry of HIV-1 into host cells is initiated by the interaction of the viral envelope (Env) spike with the CD4 receptor. During this process, the spike undergoes a series of conformational changes that eventually lead to the exposure of the fusion...

  • Article
  • Open Access
6 Citations
3,373 Views
15 Pages

20 July 2021

Human T-cell leukemia virus type 1 (HTLV-1) is a retrovirus that infects at least 10 million people worldwide and is associated with the development of T-cell lymphoma (TCL). The treatment of TCL remains challenging and new treatment options are urge...

  • Review
  • Open Access
11 Citations
3,611 Views
12 Pages

20 July 2021

The oral poliovirus vaccine (OPV), which prevents person-to-person transmission of poliovirus by inducing robust intestinal immunity, has been a crucial tool for global polio eradication. However, polio outbreaks, mainly caused by type 2 circulating...

  • Review
  • Open Access
9 Citations
4,737 Views
16 Pages

Oncolytic HSV: Underpinnings of Tumor Susceptibility

  • Chase Kangas,
  • Eric Krawczyk and
  • Bin He

20 July 2021

Oncolytic herpes simplex virus (oHSV) is a therapeutic modality that has seen substantial success for the treatment of cancer, though much remains to be improved. Commonly attenuated through the deletion or alteration of the γ134.5 neurovirulence gen...

  • Article
  • Open Access
16 Citations
5,922 Views
14 Pages

Viral Load and Patterns of SARS-CoV-2 Dissemination to the Lungs, Mediastinal Lymph Nodes, and Spleen of Patients with COVID-19 Associated Lymphopenia

  • Adhamjon Abdullaev,
  • Akmaljon Odilov,
  • Maxim Ershler,
  • Alexey Volkov,
  • Tatiana Lipina,
  • Tatiana Gasanova,
  • Yuri Lebedin,
  • Igor Babichenko and
  • Andrey Sudarikov

20 July 2021

Lymphopenia is a frequent hematological manifestation, associated with a severe course of COVID-19, with an insufficiently understood pathogenesis. We present molecular genetic immunohistochemical, and electron microscopic data on SARS-CoV-2 dissemin...

  • Communication
  • Open Access
16 Citations
10,856 Views
6 Pages

Antiviral Effect of Budesonide against SARS-CoV-2

  • Natalie Heinen,
  • Toni Luise Meister,
  • Mara Klöhn,
  • Eike Steinmann,
  • Daniel Todt and
  • Stephanie Pfaender

20 July 2021

Treatment options for COVID-19, a disease caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection, are currently severely limited. Therefore, antiviral drugs that efficiently reduce SARS-CoV-2 replication or al...

  • Article
  • Open Access
9 Citations
4,092 Views
11 Pages

Phylogenetic Analysis of Massilia phlebovirus in Portugal

  • Fátima Amaro,
  • Líbia Zé-Zé,
  • José Lourenço,
  • Marta Giovanetti,
  • Stefanie Christine Becker and
  • Maria João Alves

20 July 2021

In the last two decades, molecular surveys of arboviruses have enabled the identification of several new viruses, contributing to the knowledge of viral diversity and providing important epidemiological data regarding possible new emerging viruses. A...

  • Article
  • Open Access
16 Citations
3,526 Views
11 Pages

Seroprevalence of SARS-CoV-2 Binding and Neutralizing Antibodies in Healthcare Workers during the Epidemic Peak in Referral Hospitals and Quarantine Sites: Saudi Arabia

  • Rowa Y. Alhabbab,
  • Ahdab Alsaieedi,
  • Abdullah Algaissi,
  • Sara Almahboub,
  • Rajaa M. Al-Raddadi,
  • Omaima I. Shabouni,
  • Rahaf Alhabbab,
  • Abdulelah A. Alfaraj,
  • Sawsan S. Alamri and
  • Najwa D. Aljehani
  • + 7 authors

20 July 2021

Healthcare workers (HCWs) are at high risk for SARS-CoV-2 infection compared to the general population. Here, we aimed to evaluate and characterize the SARS-CoV-2 seropositivity rate in randomly collected samples among HCWs from the largest referral...

  • Article
  • Open Access
6 Citations
3,431 Views
14 Pages

20 July 2021

The minor coat protein G3p of bacteriophage M13 is the key component for the host interaction of this virus and binds to Escherichia coli at the tip of the F pili. As we show here, during the biosynthesis of G3p as a preprotein, the signal sequence i...

  • Article
  • Open Access
17 Citations
5,861 Views
22 Pages

20 July 2021

Protein modifications dynamically occur and regulate biological processes in all organisms. Towards understanding the significance of protein modifications in influenza virus infection, we performed a global mass spectrometry screen followed by bioin...

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Viruses - ISSN 1999-4915