Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Microbe-Plant Interactions01:09

Microbe-Plant Interactions

Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
Microbial Interactions: Competition01:26

Microbial Interactions: Competition

Microbial competition is an ecological interaction in which microorganisms vie for limited resources within shared environments. These resources may include nutrients, space, or light, depending on the system. The intensity and outcome of competition are influenced by the environmental context, such as nutrient availability, spatial constraints, and the diversity of microbial species present. These competitive interactions significantly influence the structure, function, and resilience of...
Viral Structure00:56

Viral Structure

Viruses are extraordinarily diverse in shape and size, but they all have several structural features in common. All viruses have a core that contains a DNA- or RNA-based genome. The core is surrounded by a protective coat of proteins called the capsid. The capsid is composed of subunits called capsomeres. The capsid and genome-containing core are together known as the nucleocapsid.
Regulation of Bacterial Virulence01:28

Regulation of Bacterial Virulence

Pathogenic bacteria employ a range of regulatory mechanisms to modulate the expression of virulence genes in response to environmental and host-derived signals. These mechanisms ensure that virulence factors are expressed only under favorable conditions, thereby optimizing infection and survival strategies.Mechanisms of Virulence RegulationKey regulatory strategies include:Two-Component Systems: These consist of a membrane-bound sensor kinase and a cytoplasmic response regulator. Environmental...
What are Viruses?00:50

What are Viruses?

Overview
Determinants of Bacterial Pathogenicity and Virulence01:20

Determinants of Bacterial Pathogenicity and Virulence

Pathogenic bacteria employ a variety of strategies to establish infections, including the secretion of extracellular enzymes that act as potent virulence factors. These enzymes facilitate bacterial colonization of host tissues and help evade immune surveillance. By targeting structural components of host tissues and interfering with immune mechanisms, these enzymes play a pivotal role in disease progression.Extracellular Enzymes Facilitating Tissue Invasion: Several bacterial pathogens secrete...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Epidemiology and genetic diversity of Toxoplasma gondii in rescued raptors from wildlife rehabilitation centres in Brazil.

BMC veterinary research·2026
Same author

The spread of infectious diseases in migration routes between caravans and resident communities: Modelling yellow fever in Central America.

The journal of climate change and health·2026
Same author

The possibility of the brown dog tick (Rhipicephalus linnaei) dispersing through veterinary facilities in urban areas.

Veterinary parasitology·2025
Same author

Network analysis of cattle movement among premises in Minas Gerais state, Brazil, from 2013 to 2023.

Research in veterinary science·2025
Same author

Estimating the Size of the Aedes Mosquitoes' Population Involved in Outbreaks of Dengue and Chikungunya Using a Mathematical Model.

Bulletin of mathematical biology·2025
Same author

Prevalence and risk factors for bovine brucellosis in the state of Pará, Amazon region of Brazil.

Tropical animal health and production·2025

Related Experiment Video

Updated: Jun 8, 2026

Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly
09:47

Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly

Published on: March 1, 2012

Modeling the competition between viruses in a complex plant-pathogen system.

Marcos Amaku1, Marcelo Nascimento Burattini, Francisco Antonio Bezerra Coutinho

  • 1School of Veterinary Medicine, University of São Paulo, São Paulo, SP, Brazil. amaku@usp.br

Phytopathology
|September 16, 2010
PubMed
Summary

A mathematical model explains how the oat mosaic virus (OMV) PAV strain replaced the MAV strain in New York. A PAV mutation allowing it to overcome MAV during a plant

More Related Videos

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
11:16

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

Published on: July 22, 2017

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
08:56

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Published on: July 27, 2018

Related Experiment Videos

Last Updated: Jun 8, 2026

Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly
09:47

Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly

Published on: March 1, 2012

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
11:16

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

Published on: July 22, 2017

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
08:56

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes

Published on: July 27, 2018

Area of Science:

  • Plant pathology
  • Mathematical modeling
  • Epidemiology

Background:

  • Plant viruses like MAV and PAV compete for hosts and vectors.
  • Understanding strain replacement dynamics is crucial for disease management.

Purpose of the Study:

  • To develop a mathematical model for plant virus strain competition.
  • To explain the observed replacement of MAV by PAV in New York.

Main Methods:

  • Mathematical modeling of virus-host-vector interactions.
  • Analysis of competition dynamics between two virus strains.
  • Incorporation of vector transmission and plant-based competition.

Main Results:

  • Vector transmission efficiency alone does not explain the MAV to PAV strain replacement.
  • A PAV mutation enabling competitive advantage during plant latent periods is key.
  • The model supports A. G. Power's theories on competitive exclusion.

Conclusions:

  • PAV strain replacement of MAV is explained by a mutation conferring a competitive advantage within the host plant.
  • Mathematical modeling provides insights into viral competition and evolution.