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New research on nirmatrelvir resistance in SARS-CoV-2 using powerful replicon cell culture systems

In a recent study posted to the bioRxiv* preprint server, researchers at Emory University used severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Washington (WA.1) and Omicron (BA.1) strains to test for mutations that could result in resistance to the antiviral drug nirmatrelvir.

8 Jan 2023

XBB Omicron variant evades vaccine-induced immunity

A new study published in The Lancet Microbe examines the immune evasion characteristics of the Omicron XBB subvariant.

12 Dec 2022

Structure-directed mutagenesis produces thermostable SARS-CoV-2 spike protein trimers with potential vaccine booster applications

Researchers investigated the change in the stability, antigenicity, and protein expression of the SARS-CoV-2 spike protein trimer using structure-directed mutagenesis to alter a cavity in the core of the spike protein.

14 Nov 2022

Structural analysis of monkeypox virus H1 dual phosphatase as a pan-poxvirus target

In a new study, researchers determined the 1.8-Å resolution crystal structure of the H1 dual specific phosphatase (DSP) of monkeypox virus (MPXV) that is crucial for viral replication, making it an attractive antiviral target.

5 Oct 2022

New engineered peptides could prevent the superbug crisis

A recent study reports the development of a synthetic antibacterial peptide PLG0206.

22 Sep 2022

SARS-CoV-2 mutational spectra based on reconstructed phylogenetic tree

In a new study, researchers assessed the impact of mutagenesis on the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) genome and the effects of mutations in the neutral regions and non-neutral regions of the genome.

25 Aug 2022

Study identifies multiple pathways adopted by SARS-CoV-2 to develop resistance to nirmatrelvir

Researchers demonstrated multiple routes SARS-CoV-2 might take to develop high-level resistance to nirmatrelvir, an oral antiviral targeting the 3C-like protease (3CLpro) of SARS-CoV-2.

11 Aug 2022

SARS-CoV-2 variant-specific polymerase chain reaction assay for SARS-CoV-2 genomic surveillance

Researchers reported on the misclassification of the SARS-CoV-2 Omicron BA.1 subvariant as Omicron BA.2 subvariant in an automated variant-specific polymerase chain reaction analysis.

17 Jun 2022

Genomic analysis of the 2022 monkeypox outbreak

In a recent study posted to the bioRxiv* pre-print server, researchers analyzed two genomic sequences of the Monkeypox virus from Belgium and Portugal termed ITM001 and PT0001, respectively, to show that the May 2022 Monkeypox outbreak most likely originated from the West African clade of the virus.

14 Jun 2022

Algal metabolites as novel drugs against viruses

A new review article published in the Journal of Biotechnology has provided information on various nutraceutical metabolites extracted from algae.

29 Mar 2022

Impact of truncated open reading frame 8 protein variants of SARS-CoV-2

A new study identified unique truncated open reading frame 8 proteins among SARS-CoV-2 sequences.

25 Mar 2022

Researchers characterize vaccines for infectious bronchitis virus

A new study characterized the genetic and immunological aspects of the infectious bronchitis virus (IBV) vaccines commercially used in Korea.

25 Mar 2022

Researchers find effective nutritional strategies to prevent acute kidney injury

A research team led by Professor Dr Roman-Ulrich Müller has established that four out of six different nutritional strategies prevent acute kidney injury in the mouse model.

21 Mar 2022

Researchers solve the structure of large signaling protein involved in emergence of blood cancers

Researchers led by Christopher Garcia of the Ludwig Center at Stanford University have solved the long-sought structure of a large signaling protein involved in responses to infection, inflammation, the generation of immune cells and when dysregulated by mutation-; the emergence of blood cancers known as myeloproliferative neoplasms.

11 Mar 2022

Novel tool for better dietary management in cancer patients

A new dietary tool to quickly and accurately assess micronutrient levels aims to help cancer patients fight disease, paving the way to find better nutritional solutions for oncology services, Flinders University researchers say.

14 Feb 2022

Novel dietary tool aims to help cancer patients fight disease

8 Feb 2022

A substrate envelope approach to examine drug resistance potential of SARS-CoV-2 Mpro

A team of scientists from the United States has recently defined the substrate envelop of the main protease of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The study is currently available on the bioRxiv* preprint server while awaiting peer review.

31 Jan 2022

Amino acid valine plays a key role in the growth of T cell acute lymphoblastic leukemia

A molecular building block of many animal proteins, the amino acid valine, plays a key role in cancerous growth seen in T cell acute lymphoblastic leukemia, a new study shows.

22 Dec 2021

Effect of mutations on SARS-CoV-2 E protein interactions with cell junctions

In a recent study, ten human PDZ-containing proteins showed significant interactions with the SARS-CoV-2 E protein in a PBM-dependent manner.

12 Dec 2021

Metabolic and immune markers as tools for risk stratification and monitoring in COVID-19

In a new study posted to the medRxiv* server scientists from Weil Cornell University and Stony Brook University in New York attempted to identify the metabolic and immune markers associated with severe COVID-19 disease using high-throughput targeted nuclear magnetic resonance (NMR) spectroscopy and high-dimensional flow cytometry. This will facilitate risk stratification, monitoring, and therapeutic interventions in COVID-19 patients.

14 Sep 2021