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

Distribution and Dispersion00:54

Distribution and Dispersion

21.6K
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...
21.6K
Diversity of Protists I01:15

Diversity of Protists I

1
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
1
Microbial Morphologies01:29

Microbial Morphologies

2
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
2
Applications of Molecular Taxonomy01:20

Applications of Molecular Taxonomy

Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...
Diversity of Archaea I01:30

Diversity of Archaea I

2
Archaea, a domain of single-celled microorganisms, are classified into five major phyla based on genetic and biochemical characteristics: Euryarchaeota, Crenarchaeota, Thaumarchaeota, Korarchaeota, and Nanoarchaeota. Among these, the phylum Euryarchaeota is notable for its remarkable diversity in morphology, metabolism, and ecological adaptations.Morphological and Metabolic DiversityMembers of Euryarchaeota exhibit a variety of cellular shapes, including rods and cocci. Their metabolic pathways...
2
Diversity of Protists II01:27

Diversity of Protists II

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...

You might also read

Related Articles

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

Sort by
Same author

Deep-branching Chloroflexota lineages illuminate the eco-evolutionary foundation of cross-ecosystem colonization.

Nature communications·2026
Same author

A double-staining automated flow cytometry method for real-time monitoring of bacteria in continuous bioreactors.

NPJ systems biology and applications·2026
Same author

The planktonic freshwater ciliate Balanion planctonicum (Ciliophora, Prostomatea): A cryptic species complex or a "complex species"?

The Journal of eukaryotic microbiology·2025
Same author

Centimetre scale functional dispersal limitation of freshwater copiotrophs.

Environmental microbiology·2024
Same author

Author Correction: Freshwater genome-reduced bacteria exhibit pervasive episodes of adaptive stasis.

Nature communications·2024
Same author

Freshwater genome-reduced bacteria exhibit pervasive episodes of adaptive stasis.

Nature communications·2024

Related Experiment Video

Updated: Jun 7, 2025

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
07:40

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

11.0K

Dispersal shapes compositional and functional diversity in aquatic microbial communities.

Angel Rain-Franco1, Alizée Le Moigne1,2, Lucas Serra Moncadas1

  • 1Limnological Station, University of Zurich, Zurich, Switzerland.

Msystems
|November 18, 2024
PubMed
Summary

Dispersal shapes aquatic microbial communities. Dispersal limitation increased diversity and functional variability, while homogenizing dispersal reduced them, offering insights into ecosystem functioning.

Keywords:
Elo-ratingassembly processescarbon use efficiencycoexistencecommunity functioningdispersal limitationhomogenizing dispersal

More Related Videos

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers
22:38

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Published on: May 28, 2007

13.3K
An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis
08:09

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis

Published on: September 15, 2015

8.7K

Related Experiment Videos

Last Updated: Jun 7, 2025

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
07:40

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

11.0K
Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers
22:38

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Published on: May 28, 2007

13.3K
An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis
08:09

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis

Published on: September 15, 2015

8.7K

Area of Science:

  • Microbial ecology
  • Community assembly dynamics
  • Aquatic microbial ecosystems

Background:

  • Dispersal (segregation and mixing) influences aquatic microbial community structure and function.
  • Disentangling these roles in field studies is challenging.
  • Experimental approaches are needed to understand dispersal impacts.

Purpose of the Study:

  • To experimentally assess the effects of dispersal limitation and homogenizing dispersal on freshwater bacterial assemblages.
  • To investigate how these dispersal regimes impact community composition, beta diversity, and functional properties.
  • To understand the role of dispersal in regulating metacommunity diversity and function.

Main Methods:

  • Examined 20 freshwater bacterial assemblages under identical conditions for 34 days (seven growth cycles).
  • Subjected assemblages to two consecutive dispersal regimes: dispersal limitation and homogenizing dispersal.
  • Analyzed compositional and functional changes, including beta diversity and carbon use efficiency.

Main Results:

  • Dispersal limitation increased beta diversity and functional variability, leading to distinct community types.
  • Homogenizing dispersal resulted in high compositional similarity and reduced gamma diversity.
  • Community assembly was largely explained by neutral and competition-based models, with a dominant pseudomonad.
  • Segregation protected competitively weak but productive taxa.

Conclusions:

  • Stochastically generated microbial assemblages can be refined into distinct types by deterministic processes.
  • Dispersal is crucial in regulating microbial metacommunity diversity and functional variability.
  • Findings provide insights for predicting changes in aquatic ecosystem functioning.