Glycosylation News and Research

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Glycans strengthen and lengthen SARS-Cov-2 spike binding to ACE2

New study results provide evidence that the binding between SARS-CoV-2 RBD and host ACE2 receptor is aided by the glycosylation on each protein.

9 Dec 2021

SARS-CoV-2 variants are evolving new ways to evade antibodies and vaccines

Continued replication of severe acute respiratory syndrome-associated coronavirus 2 (SARS-CoV-2) under selective pressure from natural and vaccine-induced immunity has led to the emergence of variants of concern (VOCs) with increased transmissibility or virulence.

8 Dec 2021

Researchers discover mechanism for congenital disorders of glycosylation

Greenwood Genetic Center researchers are reporting the discovery of a mechanism that contributes to the tissue phenotypes seen in PMM2-CDG, the most common of the congenital disorders of glycosylation (CDGs).

8 Dec 2021

Study identifies ORF8 protein as a key COVID-19 causing factor

New study suggests that the SARS-CoV-2 ORF8 protein is the underlying cause behind severe COVID-19 infection.

8 Dec 2021

Impact of post-translational modifications in the pathogenicity of SARS-CoV-2

A new study provides understanding of the intricate roles and functions of the different elements of spike proteins and shows how the spike protein samples a crowded surface of its host cell via the glycans.

7 Dec 2021

Glycosylation and disulfide bonding profile of SARS-CoV-2 spike glycoprotein

Researchers found that virus-like particles produced by co-expression of SARS-CoV-2 S, membrane, envelope, and nucleocapsid proteins contain S glycoproteins, which are modified by complex carbohydrates.

29 Nov 2021

Antigenic cocktail produced in Nicotiana benthamian plant as a potential COVID-19 vaccine candidate

Scientists utilize N. benthamiana for producing the N-protein and an antigenic cocktail containing the N-protein and SARS-CoV-2 S RBD.

23 Nov 2021

Functions of glycosylation in SARS-CoV-2 proteins and human receptor ACE2

In a review published in Signal Transduction and Targeted Therapy, researchers from Sichuan University have reviewed the available literature.

19 Nov 2021

Structure of SARS-CoV-2 spike protein postfusion

A new study published in PNAS proposes a higher resolution in situ structure of the SARS-CoV-2 spike protein in its postfusion state.

18 Nov 2021

Structure of human-infecting canine coronavirus HuPn-2018 spike glycoprotein

As CCoV-HuPn-2018 has been recently isolated in a child's respiratory swab, researchers from the University Of Washington have been examining the structure of the virus.

28 Oct 2021

Sexually dimorphic placental antibody transfer during SARS-CoV-2 infection

In a paper recently published in the journal Science Translational Medicine by Bordt et al. (October 19th, 2021), maternal SARS-CoV-2 infections are studied with particular regard to maternal-fetal antibody transfer and virus-induced placental interferon responses, finding a sexually dimorphic response that results in lesser antibody transfer to the male fetus.

26 Oct 2021

How pregnancy influences SARS-CoV-2 immune response

A focus article published in Science Translational Medicine highlighted two recently published studies that investigated the response of pregnant women to natural infections and COVID-19 vaccines.

25 Oct 2021

Vaccinated children induced significantly higher antibody titers than naturally SARS-CoV-2 infected children

A recent preprint discusses the antibody response to the nucleic acid vaccines against SARS-CoV-2 when administered to children aged 7-11 years.

12 Oct 2021

A new bacterial two-hybrid assay to study SARS-CoV-2 interactome

Recently, scientists have developed a bacterial two-hybrid (B2H) system to study the PPIs of SARS-CoV-2 in a heterologous non-eukaryotic system. This study is available on the bioRxiv* preprint server. Put simply, the B2H system could be used to analyze the SARS-CoV-2 proteome.

11 Oct 2021

Role of S-acylation in SARS-CoV-2 infectivity

A new study published in Developmental Cell investigates S-acylation of the SARS-CoV-2 S protein.

10 Oct 2021

Study shows strong protective effect of IgG3 antibodies in SARS-CoV-2 infection

Researchers published a study on the expression and functional analyses of a neutralizing mAb with identical variable domains but different constant HCs, representing IgG1-4.

6 Oct 2021

How SARS-CoV-2 spike binds to multiple host receptors

Researchers from the Genos Glycoscience Research Laboratory in Croatia have recently investigated the sites that the S protein is capable of binding with.

23 Sep 2021

Genome modeling framework for coronavirus pathogenicity prediction

Recent machine learning techniques have allowed viral genome sequencing to be utilized in a predictive capacity.

23 Sep 2021

Comparison of recombinant SARS-CoV-2 receptor binding domain produced in mammalian, insect, and bacterial cells

In a recent study, RBD produced in various cell types are characterized in-depth, comparing their applicability for future COVID-19 research.

21 Sep 2021

Large scale 'proteogenomics' study could offer hope to patients with deadly pancreatic cancer

A large international collaboration led by researchers from the Johns Hopkins Kimmel Cancer Center has identified promising new targets for pancreatic cancer treatment and early diagnosis after examining various aspects of these tumors' genes and proteins.

20 Sep 2021