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

Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

73
Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable...
73
Investigation of Disease Outbreaks01:23

Investigation of Disease Outbreaks

68
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
68
Principles of Disease Surveillance01:26

Principles of Disease Surveillance

830
Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
830
Reservoir of Infection01:30

Reservoir of Infection

67
Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
67
Diversity of Protists IV01:27

Diversity of Protists IV

2.1K
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
2.1K
Diversity of Protists III01:27

Diversity of Protists III

2.1K
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
2.1K

You might also read

Related Articles

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

Sort by
Same author

Gut Microbiome Communities Vary Across Translocated Populations of the Seychelles Warbler.

Ecology and evolution·2026
Same author

Disruptive effects of brief radiofrequency noise exposure on migratory bat navigation.

Science (New York, N.Y.)·2026
Same author

Divergent Selection on Dispersal Targets Chemosensory and Neuronal Genes in Tribolium castaneum.

Molecular ecology·2026
Same author

Social Structure and Interactions Differentially Shape Aerotolerant and Anaerobic Gut Microbiomes in a Cooperative Breeding Species.

Molecular ecology·2026
Same author

Experimental assessment of the predation pressure by the exotic flatworm <i>Obama nungara</i> in its introduced range.

Current zoology·2026
Same author

Host immunogenetic variation and gut microbiome functionality in a wild vertebrate population.

Microbiome·2026

Related Experiment Video

Updated: Apr 19, 2026

Multi-locus Variable-number Tandem-repeat Analysis of the Fish-pathogenic Bacterium Yersinia ruckeri by Multiplex PCR and Capillary Electrophoresis
10:33

Multi-locus Variable-number Tandem-repeat Analysis of the Fish-pathogenic Bacterium Yersinia ruckeri by Multiplex PCR and Capillary Electrophoresis

Published on: June 17, 2019

11.5K

Continental-scale patterns of pathogen prevalence: a case study on the corncrake.

Yoan Fourcade1, Oskars Keišs2, David S Richardson3

  • 1Université d'Angers, GECCO Angers, France ; Centre for Ecology, Evolution and Conservation, School of Biological Sciences, University of East Anglia Norwich, UK.

Evolutionary Applications
|January 2, 2015
PubMed
Summary

Pathogen infections threaten wild populations. In European corncrakes, agricultural intensity reduced host numbers and haemosporidian parasite prevalence, showing ecological impacts on wildlife disease.

Keywords:
Crex crexagriculture intensityapproximate Bayesian computationavian malariabirdcorncrakeeffective population sizehaemosporidian parasitesparasite transmission

More Related Videos

Detection of Foodborne Bacterial Pathogens from Individual Filth Flies
12:54

Detection of Foodborne Bacterial Pathogens from Individual Filth Flies

Published on: February 13, 2015

19.1K
Procedures for Identifying Infectious Prions After Passage Through the Digestive System of an Avian Species
12:00

Procedures for Identifying Infectious Prions After Passage Through the Digestive System of an Avian Species

Published on: November 6, 2013

11.8K

Related Experiment Videos

Last Updated: Apr 19, 2026

Multi-locus Variable-number Tandem-repeat Analysis of the Fish-pathogenic Bacterium Yersinia ruckeri by Multiplex PCR and Capillary Electrophoresis
10:33

Multi-locus Variable-number Tandem-repeat Analysis of the Fish-pathogenic Bacterium Yersinia ruckeri by Multiplex PCR and Capillary Electrophoresis

Published on: June 17, 2019

11.5K
Detection of Foodborne Bacterial Pathogens from Individual Filth Flies
12:54

Detection of Foodborne Bacterial Pathogens from Individual Filth Flies

Published on: February 13, 2015

19.1K
Procedures for Identifying Infectious Prions After Passage Through the Digestive System of an Avian Species
12:00

Procedures for Identifying Infectious Prions After Passage Through the Digestive System of an Avian Species

Published on: November 6, 2013

11.8K

Area of Science:

  • Wildlife disease ecology
  • Conservation biology
  • Parasitology

Background:

  • Pathogen infections pose significant risks to vulnerable wild populations.
  • Understanding ecological drivers of pathogen variation is crucial, especially in fragmented species.
  • Corncrake populations are fragmented but maintain high genetic diversity, making them ideal for studying ecological effects on disease.

Purpose of the Study:

  • To investigate geographic variation in haemosporidian infections in European corncrakes.
  • To determine the influence of ecological factors, particularly agricultural intensity, on pathogen prevalence.
  • To assess the relationship between host population size, agricultural practices, and disease dynamics.

Main Methods:

  • Examined geographic variation in haemosporidian infection prevalence across European corncrake populations.
  • Analyzed correlations between pathogen prevalence, national agricultural yield, and corncrake census population sizes.
  • Focused on the most widespread haemosporidian lineage to control for genetic variation.

Main Results:

  • Observed a longitudinal gradient in haemosporidian prevalence from West to East Europe.
  • Prevalence was negatively correlated with national agricultural yield.
  • Prevalence was positively correlated with corncrake population size, suggesting reduced transmission in areas with lower agricultural intensity.

Conclusions:

  • Local agricultural intensity appears to impact corncrake population density and potentially insect vector abundance.
  • Reduced host density and vector abundance likely decrease pathogen transmission rates.
  • Anthropogenic activities, like intensive agriculture, can reduce both host populations and pathogen prevalence in fragmented wildlife systems.