Related Experiment Video
Updated: Oct 25, 2025
07:15
Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
Published on: January 16, 2019
11.1K
ACE2-Variants Indicate Potential SARS-CoV-2-Susceptibility in Animals: A Molecular Dynamics Study
Szymon Pach1, Trung Ngoc Nguyen1, Jakob Trimpert2
1Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 2-4, 14195, Berlin, Germany.
Molecular Informatics
|August 11, 2021
Summary
Researchers analyzed Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) spike protein binding to host cells. This study predicts which animal species are susceptible to SARS-CoV-2 infection based on molecular interactions.
Area of Science:
- Virology
- Molecular Biology
- Biophysics
Background:
- Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) poses a significant global health risk, responsible for millions of deaths.
- The virus utilizes its spike (S) glycoproteins to bind with host cell Angiotensin-Converting Enzyme 2 (ACE2), a crucial step for cellular entry.
- Variable host susceptibility is observed, with species like cats, ferrets, and hamsters being highly susceptible, while dogs, mice, rats, pigs, and chickens are refractory.
Purpose of the Study:
- To investigate the molecular determinants underlying the differential susceptibility of various animal species to SARS-CoV-2 infection.
- To develop a systematic, structure-based method for predicting species susceptibility to SARS-CoV-2.
Main Methods:
- Development of molecular descriptors for analyzing dynamic simulation models.
- Extensive analysis of complexes between SARS-CoV-2 S glycoproteins and host ACE2.
- Utilizing computational approaches to model molecular interactions.
Main Results:
- The study successfully developed molecular descriptors to analyze SARS-CoV-2 S-ACE2 interactions.
- Extensive analyses provided insights into the structural basis of species-specific binding.
- The developed approach allows for predictions of SARS-CoV-2 susceptibility across different species.
Conclusions:
- This research presents the first systematic, structure-based approach to predict animal species susceptibility to SARS-CoV-2.
- Understanding these molecular interactions is key to comprehending viral host range.
- The findings can inform future research on zoonotic potential and pandemic preparedness.
Related Concept Videos
01:05Single Nucleotide Polymorphisms-SNPs
17.0K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
17.0K
02:28Leaky Scanning
5.3K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.3K