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Study reveals conserved and divergent host responses to infections with SARS-CoV-2 variants of concern

Researchers analyzed the phenotypes of the SARS-CoV-2 variants of concern (VOCs), the molecular responses to infections from these VOCs, and the evolving virus-host interactions using a comparative genomic and proteomic approach.

26 Oct 2022

Research suggests that ORF6 is a major SARS-CoV-2 innate immune antagonist

In a recent study posted to the bioRxiv* server, researchers in the United States demonstrated how severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) open reading frame 6 (ORF6) protein contributes to viral pathogenesis and modulates the host's immune responses.

23 Oct 2022

SARS-CoV-2 envelope structural protein found to form voltage-activated and calcium-activated calcium channels

In a new study, researchers investigated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) envelope (E) protein activity in terms of calcium cations (Ca2+) cations.

14 Oct 2022

Motif-based SARS-CoV-2 protein-human protein interactions as potential antiviral target sites

Researchers performed a ProP-PD (proteomic peptide phage display) analysis to identify peptides from intrinsically disordered human (host) proteome regions that bind with SARS-CoV-2 genome-encoded folded protein domains (PDs).

13 Oct 2022

Novel method deploys nanopore tweezers to facilitate inhibition of SARS-CoV-2 helicase at single-nucleotide resolution

In a new study, researchers visualized the mechanism of action and inhibition of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) non-structural protein 13 (NSP13) at high spatio-temporal resolution.

13 Oct 2022

Intranasal vaccine represents an effective broad-spectrum COVID-19 vaccine strategy

Researchers evaluated the efficacy of dNS1-RBD, a novel intranasal COVID-19 vaccine.

6 Oct 2022

Structural analysis of monkeypox virus to guide the development of broad antiviral agents

In a new study, researchers explored the crystalline structure of the monkeypox (MPX) virus (MPXV) and the complex of VP39, a 2′-O-RNA methyltransferase (MTase) and sinefungin, a pan-MTase inhibitor.

30 Sep 2022

How a major COVID-19 outbreak occurred in a naïve and vaccinated population in Taiwan with a limited number of entry events

Researchers explored the SARS-CoV-2 genome using high-throughput genome sequencing to provide novel insights into how the novel SARS-CoV-2 Omicron BA.2.3.7 variant enters and spreads among the otherwise naïve Taiwanese population.

29 Sep 2022

Exploring remdesivir resistance in COVID-19-infected transplant recipients

In a new study, researchers assessed the remdesivir resistance developed in coronavirus disease 2019 (COVID-19)-infected transplant recipients.

29 Sep 2022

How effective are live-attenuated SARS-CoV-2 vaccines?

Researchers opined on the use of live-attenuated whole virus vaccines as COVID-19 vaccines.

26 Sep 2022

New antiviral mechanism of action for an FDA-approved thiopurine known as 6-thioguanine

Researchers described a novel antiviral mechanism of action for an FDA (food and drug administration)-approved thiopurine known as 6-thioguanine (6-TG).

21 Sep 2022

Interactions between SIRT5 and SARS-CoV-2 Nsp14 protein

In a new study, researchers investigated the interactions between sirtuin 5 (SIRT5) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) nonstructural protein (Nsp14) protein.

14 Sep 2022

Small molecule inhibitor found to be effective against SARS-CoV-2 variants

In a new study, researchers developed RK-33, a small molecule inhibitor of DDX3, and evaluated its efficacy against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern (VOCs).

12 Sep 2022

Licorice compounds proposed as effective candidates for treatment of COVID-19

Researchers describe the different mechanisms by which licorice active ingredients target SARS-CoV-2.

8 Sep 2022

Relapse of COVID-19 symptoms and SARS-CoV-2 viral load following nirmatrelvir/ritonavir treatment

Researchers reported rapid relapse of COVID-19 symptoms following the administration of nirmatrelvir/ritonavir in adults.

30 Aug 2022

SARS-CoV-2 breakthrough infection induces virus-specific nasal T-cells

A new study reports that hybrid immunity induced by vaccination and previous infection induces SARS-CoV-2-specific tissue-resident T-cells in the nasal cavity.

22 Aug 2022

SARS-CoV-2 variant neutralization and novel mAbs reveal protection against Omicron in new research

Researchers assessed the SARS-CoV-2 variants of concern (VOCs) transmission dynamics and neutralization by vaccine-induced antibodies and monoclonal antibodies (mAbs).

19 Aug 2022

The global mutation landscape of the SARS-CoV-2 non-structural protein 1

Researchers describe the evolution of the SARS-CoV-2 non-structural protein 1 (NSP1).

28 Jul 2022

Study shows SARS-CoV-2 impairs interferon production through NSP2-induced repression of mRNA translation

Researchers discovered a SARS-CoV-2 non-structural protein 2 (NSP2)-mediated mechanism by which it suppresses the production of interferon-beta (IFN-β) in host cells.

27 Jul 2022

High-level resistance of SARS-CoV-2 BA.4 against neutralizing antibodies

Researchers evaluates the sensitivity of BA.4 in both vaccinated and unvaccinated individuals infected with the SARS-CoV-2 variants.

20 Jul 2022