Related Experiment Video
Updated: Jun 20, 2026

10:49
Assays for the Specific Growth Rate and Cell-binding Ability of Rotavirus
Published on: January 28, 2019
Zoonotic aspects of rotaviruses
V Martella1, Krisztián Bányai, Jelle Matthijnssens
1Department of Veterinary Public Health, University of Bari, Bari, Italy. v.martella@veterinaria.uniba.it
Veterinary Microbiology
|September 29, 2009
Summary
Group A rotaviruses (GARVs) cause significant child deaths and livestock illness globally. Genetic analysis reveals frequent interspecies transmission and adaptation between human and animal GARV strains.
Area of Science:
- Virology
- Infectious Diseases
- Public Health
Background:
- Rotaviruses are significant enteric pathogens affecting both humans and animals.
- Group A rotaviruses (GARVs) are a leading cause of childhood mortality, particularly in developing nations.
- Rotavirus-associated enteritis poses a substantial threat to livestock, especially young calves and piglets.
Purpose of the Study:
- To investigate the genetic heterogeneity of human and animal Group A rotavirus strains.
- To explore the evolutionary intersections and interspecies transmission events between human and animal rotaviruses.
Main Methods:
- Complete genome sequencing of human and animal GARV strains.
- Comparative genomic analysis to identify genetic variations and reassortment events.
- Epidemiological data review of GARV in human and animal populations.
Main Results:
- Striking genetic heterogeneity was observed across the 11 double-stranded RNA segments of different rotavirus strains.
- Evidence suggests frequent interspecies transmission between human and animal rotaviruses.
- Multiple, repeated events of transmission and subsequent adaptation drive viral evolution.
Conclusions:
- Human and animal rotaviruses share complex evolutionary pathways.
- Understanding interspecies transmission is crucial for controlling rotavirus infections in both humans and animals.
- Ongoing genetic exchange necessitates continuous surveillance and vaccine development efforts.
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...
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.
Respiratory Syncytial Virus Disease
Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Poliomyelitis
Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus of the Picornaviridae family and Enterovirus genus. Transmission occurs primarily via the fecal-oral route, often through ingestion of contaminated water or food. The virus initially replicates in the oropharynx and intestinal mucosa, particularly in lymphoid tissues such as the tonsils, Peyer’s patches, and regional lymph nodes. Primary viremia follows, allowing dissemination throughout the body.In most...
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...
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...
