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Related Concept Videos

Infection01:20

Infection

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
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To understand intra-specific interactions in populations, scientists measure the spatial arrangement of species individuals. This geographic arrangement is known as the species distribution or dispersion. Highly territorial species exhibit a uniform distribution pattern, in which individuals are spaced at relatively equal distances from one another. Species that are highly tied to particular resources, such as food or shelter, tend to concentrate around those resources, and thus exhibit a...
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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
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Related Experiment Video

Updated: Dec 29, 2025

Modeling Persistent Pseudomonas aeruginosa Infection in Wounded Zebrafish Larvae
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Modeling Pathogen Dispersal in Marine Fish and Shellfish.

Danielle L Cantrell1, Maya L Groner2, Tal Ben-Horin3

  • 1Health Management Department, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, Canada.

Trends in Parasitology
|February 11, 2020
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Summary
This summary is machine-generated.

Biophysical models connect ocean currents with marine pathogen behavior to map disease spread. This approach is crucial for understanding and managing infectious diseases in fish and shellfish populations.

Keywords:
biophysical modelingparasite dispersalpathogen dispersal

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Area of Science:

  • Marine epidemiology
  • Oceanography
  • Ecology

Background:

  • Oceanographic processes significantly influence host-pathogen interactions in marine environments.
  • Traditional terrestrial pathogen dispersal models are often unsuitable for marine ecosystems.
  • Biophysical modeling, previously used for larval dispersal, is now emerging in marine disease ecology.

Purpose of the Study:

  • To review the application of biophysical models in marine epidemiology.
  • To explain the functioning of biophysical models for pathogen dispersal.
  • To highlight the utility of these models in assessing marine disease spread and connectivity.

Main Methods:

  • Coupling physical oceanographic models with biological models of infectious agents.
  • Utilizing biophysical modeling to simulate pathogen dispersal networks.
  • Analyzing connectivity patterns between marine sites for infectious agents.

Main Results:

  • Biophysical models effectively characterize dispersal networks of marine pathogens.
  • These models enable the measurement of infectious agent connectivity between locations.
  • Biophysical modeling provides a framework for testing hypotheses on pathogen dispersal.

Conclusions:

  • Biophysical models are a powerful tool for understanding marine disease dynamics.
  • The application of these models is essential for managing fish and shellfish pathogens.
  • This approach offers new insights into quantifying marine pathogen spread patterns.