Related Experiment Video
Updated: Jun 2, 2026

07:06
Prediction of HIV-1 Coreceptor Usage (Tropism) by Sequence Analysis using a Genotypic Approach
Published on: December 1, 2011
Classification of viral zoonosis through receptor pattern analysis
1Laboratory of Computational Biology & Bioinformatics, Institute of Health and Environment, Graduate School of Public Health, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 151-742, Korea.
BMC Bioinformatics
|April 15, 2011
Summary
Predicting viral zoonosis risk involves analyzing host receptor protein sequences. Differences in receptor sequences between species are key barriers to interspecies virus transmission, impacting viral envelope protein binding.
Area of Science:
- Virology
- Molecular Biology
- Bioinformatics
Background:
- Viral zoonosis, the transmission of viruses from animals to humans, relies on cellular receptor proteins.
- RNA viruses, known for high mutation rates, frequently change envelope proteins to bind diverse host receptors.
- Interspecies virus transmission barriers are hypothesized to be differences in host receptor sequences.
Purpose of the Study:
- To predict the zoonotic propensity of viruses by analyzing host-cell receptor characteristics.
- To investigate the role of receptor sequence variations in determining viral transmission barriers.
Main Methods:
- Analysis of host-cell receptor sequences for hydrophobicity/hydrophilicity.
- Comparison of receptor properties across different species.
- Statistical discriminant analysis to predict interspecies transmission likelihood.
Main Results:
- Identified variations in host-cell receptor sequences, including hydrophobicity/hydrophilicity.
- Statistical analysis revealed patterns correlating receptor similarities with transmission potential.
- Developed a predictive model for zoonotic likelihood based on receptor sequence analysis.
Conclusions:
- Computational analysis of receptor sequence differences can predict zoonosis.
- This method offers a potential tool for assessing the zoonotic potential of novel viral strains.
- Understanding receptor-virus interactions is crucial for predicting and mitigating zoonotic disease emergence.
Related Concept Videos
Rabies
Rabies is a lethal zoonotic disease caused by a single-stranded, negative-sense RNA virus of the Lyssavirus genus, within the family Rhabdoviridae. Its primary mode of transmission to humans is through bites or saliva-contaminated scratches from infected mammals such as dogs, bats, raccoons, or foxes. Transmission can also occur if infectious saliva contacts abraded skin or intact mucous membranes, including the conjunctiva.Viral Entry and Early ReplicationOnce introduced at the bite or scratch...
Viruses with RNA Genomes
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
Viral Recombination
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
Arboviral Encephalitis
Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...

