Glycans News and Research

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Production of functional SARS-CoV-2 spike protein in single-cell green alga

A new study uses a novel algal platform for the generation of the SARS-CoV-2 spike protein.

19 Dec 2021

Comparison of RBD/ACE2 receptor complex in wild type SARS-CoV-2 and Omicron variant

New research details the molecular landscape of Omicron’s RBD and how it differs from the original SARS-CoV-2 strain.

17 Dec 2021

Glycans strengthen interaction between viral spike proteins and ACE2 receptors on host cells

A new study shows that the ACE2 and RBD of coronavirus spike fragments have different binding strengths and dissociation rates when they are glycosylated and non-glycosylated.

13 Dec 2021

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

Equilibrium simulation of SARS-CoV-2 spike protein highlights its global conformational characteristics

A team of researchers set out to build a full-length, membrane-embedded spike to study its conformational dynamics at the atomic level using molecular dynamics simulations to understand better how this important component of the virus machinery works.

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

New atomic-level insight of SARS-CoV-2 within a respiratory aerosol

In a paradigm-shifting paper currently available on the bioRxiv* preprint server, the researchers have dramatically extended the possibilities of computational microscopy in order to better understand both structure and dynamics of respiratory aerosols laden with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

16 Nov 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

New technology to detect SARS-COV-2 using sugars rather than antibodies

Researchers at the University of Warwick, Iceni Diagnostics Ltd and University Hospitals Coventry and Warwickshire (UHCW) NHS Trust have demonstrated their technology to detect SARS-COV-2 using sugars rather than antibodies.

18 Oct 2021

Researchers uncover how cancer cells use sugar residue to evade the immune system

A team of South Dakota State University chemistry researchers uncovered how cancer cells utilize a simple sugar residue to disguise themselves from the immune system. What they learned will help scientists develop more effective cancer therapeutics.

12 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

Structure-based model of SARS-CoV-2 spike protein reveals opportunity to halt virus transmission

Scientists have simulated the transition of the SARS-CoV-2 spike protein structure from when it recognizes the host cell to when it gains entry, according to a study published today in eLife.

1 Sep 2021

Role of glycans on the SARS-CoV-2 spike protein in human receptor interaction

A team of investigators, led by Dr. Benjamin F. Mann, from Merck, USA have published a new study on the preprint server bioRxiv*. They have used a biochemical approach to control the glycosylation profile of the S protein receptor-binding domain (RBD) and to analyze the effect of different glycosylation patterns on receptor binding.

30 Aug 2021

Researchers discover glycan 'gates' that open to allow SARS-CoV-2 entry

Since the early days of the COVID pandemic, scientists have aggressively pursued the secrets of the mechanisms that allow severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to enter and infect healthy human cells.

19 Aug 2021

How does the SARS-CoV-2 Delta variant’s spike drive membrane fusion and immunity evasion?

A fascinating and timely new study shows how the Delta variant of the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) achieved higher transmissibility and resistance to neutralization.

19 Aug 2021

How do glycans affect SARS-CoV-2 spike protein openings?

In a paper recently uploaded to the bioRxiv* preprint server, the role of glycan coating on the SARS-CoV-2 spike protein is further investigated by molecular dynamics simulations of the glycosylated and non-glycosylated protein, identifying several key glycans that play a role in stabilizing and protecting the RBD, and also encourage bonding with the ACE2 receptor.

18 Aug 2021

How delta and kappa variants of SARS-CoV-2 evade the immune system

A new study, available on the bioRxiv* preprint server, describes the neutralizing ability of the monoclonal antibodies against the variants and the difference of the ACE2 binding affinity found in the variants.

17 Aug 2021