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

Gene Flow02:39

Gene Flow

35.9K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
35.9K
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

335
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
335
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

59.6K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
59.6K
Factors Influencing Microbial Growth: Osmolarity01:28

Factors Influencing Microbial Growth: Osmolarity

198
Osmolarity is the measure of solute concentration in a solution. It plays a critical role in determining water availability for organisms. Water moves across semipermeable membranes through osmosis, flowing from regions of lower solute concentration (more dilute) to regions of higher solute concentration (more concentrated).In high-solute environments, microbial cells lose water, leading to dehydration and inhibited growth. The extent to which water is available to microbes in such environments...
198
Diversity of Protists IV01:27

Diversity of Protists IV

161
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...
161
Diversity of Protists II01:27

Diversity of Protists II

174
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...
174

You might also read

Related Articles

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

Sort by
Same author

The histone deacetylase inhibitor, suberoylanilide hydroxamic acid, restores blood-brain barrier integrity in a human stem cell-based model of ischaemic stroke.

British journal of pharmacology·2026
Same author

Real-world use of submaximal doses of long-acting GLP-1 receptor agonist semaglutide in patients with obesity: a prospective observational study.

Scientific reports·2026
Same author

Gradient metapopulation microfluidic ecologies shape genetic and biofilm drivers of T4r phage resistance in E. coli.

NPJ biofilms and microbiomes·2026
Same author

Autoimmune Polyglandular Syndrome Type II Presenting with Severe Hyponatraemia and Autoimmune Bicytopaenia.

European journal of case reports in internal medicine·2026
Same author

Higher levels of antibiotic resistance are less competitive: the hidden ecological cost of no-metabolic cost resistance.

bioRxiv : the preprint server for biology·2025
Same author

<i><i>Vibrio cholerae</i></i> biofilm matrix assembly and growth are shaped by a glutamate-specific TAXI/TRAP protein.

Proceedings of the National Academy of Sciences of the United States of America·2025

Related Experiment Video

Updated: Sep 25, 2025

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
07:40

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

11.2K

Variance in Landscape Connectivity Shifts Microbial Population Scaling.

Miles T Wetherington1,2,3, Krisztina Nagy2, László Dér2

  • 1Department of Ecology, School of Biological Sciences, P. Catholic University of Chile, Santiago, Chile.

Frontiers in Microbiology
|April 25, 2022
PubMed
Summary

This study reveals how soil microbe distributions impact ecosystem services. Bacterial metapopulations in artificial soil habitats follow ecological laws, with connectivity altering population fluctuations.

Keywords:
Taylor's Lawlandscape ecologymetapopulationsmicrofluidicsscaling lawsspatial microbial ecology

More Related Videos

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks
09:49

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks

Published on: September 25, 2021

4.5K
Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy
07:00

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy

Published on: October 4, 2024

741

Related Experiment Videos

Last Updated: Sep 25, 2025

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
07:40

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

11.2K
Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks
09:49

Divergence of Root Microbiota in Different Habitats based on Weighted Correlation Networks

Published on: September 25, 2021

4.5K
Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy
07:00

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy

Published on: October 4, 2024

741

Area of Science:

  • Microbial ecology
  • Soil science
  • Ecosystem services

Background:

  • Soil microbes are crucial for ecosystem services like carbon sequestration and nutrient cycling.
  • Understanding microbial distribution and interactions is key to predicting their ecological impact.
  • Soil macroaggregates provide a complex, patchy habitat for microbial communities.

Purpose of the Study:

  • To investigate the spatial ecology of bacterial metapopulations using a microfluidic chip.
  • To emulate soil macroaggregate environments and study habitat connectivity effects on microbial distribution.
  • To analyze bacterial occupancy patterns using Taylor's Law and assess the impact of landscape connectivity.

Main Methods:

  • Utilized on-chip experiments to create artificial patchy habitat landscapes.
  • Employed *Escherichia coli* to form metapopulations within these controlled environments.
  • Analyzed bacterial occupancy distributions using Taylor's Law to quantify population fluctuations.

Main Results:

  • Provided experimental evidence that bacterial metapopulations in patchy microhabitats adhere to Taylor's Law.
  • Observed that variations in patch-corridor connectivity significantly influence bacterial distribution patterns.
  • Identified a qualitative transition in fluctuation scaling with increased variance in landscape connectivity.

Conclusions:

  • Bacterial metapopulations in soil-like microhabitats exhibit predictable scaling laws.
  • Habitat connectivity is a critical factor influencing microbial spatial ecology and population dynamics.
  • Findings contribute to understanding microbial roles in soil ecosystems and their response to environmental structure.