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 Regulation in Microbial Communities: Quorum Sensing01:28

Gene Regulation in Microbial Communities: Quorum Sensing

639
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
639
What are Populations and Communities?00:30

What are Populations and Communities?

37.9K
Overview
37.9K
Properties of Continuous Functions01:29

Properties of Continuous Functions

188
Continuous functions exhibit smooth, uninterrupted behavior, and combining them through standard operations retains this continuity. If f and g are continuous at a point a, then the functions f+g, f-g, cf (where c is a constant), fg, and fg (provided g(a)a) are also continuous at a. This allows the construction of complex functions from simpler continuous parts without losing smoothness.Polynomials, which are expressions formed by sums of powers of x with constant coefficients, are continuous...
188
Molecular Shape and Polarity03:37

Molecular Shape and Polarity

75.9K
Dipole Moment of a Molecule
75.9K
Molecular Shapes01:18

Molecular Shapes

62.3K
Molecules have characteristic shapes that are crucial for their function. The arrangement of various electron groups around the central atom dictates their molecular geometry. Electron pairs in the valence shell of a central atom will adopt an arrangement that minimizes repulsions between the electron pairs by maximizing the distance between them. The valence electrons form either bonding pairs, located primarily between bonded atoms, or lone pairs.
Two regions of electron density in a diatomic...
62.3K
Diversity of Archaea I01:30

Diversity of Archaea I

667
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...
667

You might also read

Related Articles

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

Sort by
Same author

Trace gas oxidation supports sub-surface microbial communities across Namib Desert fog and aridity gradients.

Applied and environmental microbiology·2026
Same author

Plant-specific microbial diversity facilitates functional redundancy at the soil-root interface.

Plant and soil·2026
Same author

Aridity-related differences in soil elemental ratios reshape microbial functional traits across global biomes.

Nature communications·2026
Same author

Dimethylsulfoniopropionate metabolism shapes microbial ecology and physiological adaptation during the austral winter in Southern Ocean sea ice and seawater.

Nature communications·2026
Same author

High-quality metagenome-assembled genomes of carbon-degrading, sulfate-reducing, and sulfur-oxidizing Acidobacteriota from Sub-Antarctic Marion Island soils.

Microbiology resource announcements·2026
Same author

Functional restructuring of the global soil microbiome under multiple stressors.

Nature communications·2026

Related Experiment Video

Updated: Feb 7, 2026

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
08:13

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities

Published on: December 25, 2015

17.9K

Agulhas Current properties shape microbial community diversity and potential functionality.

Sandra Phoma1, Surendra Vikram1, Janet K Jansson2

  • 1Centre for Microbial Ecology and Genomics (CMEG), Department of Biochemistry, Genetics and Microbiology, Natural Sciences 2, University of Pretoria, Pretoria, 0028, South Africa.

Scientific Reports
|July 14, 2018
PubMed
Summary

Marine microbial ecosystems in the South Indian Ocean show distinct diversity and structure across different depths. Environmental factors like depth and oxygen significantly shape these communities, influencing nutrient cycling.

More Related Videos

Investigating the Microbial Community in the Termite Hindgut - Interview
21:02

Investigating the Microbial Community in the Termite Hindgut - Interview

Published on: May 28, 2007

11.2K
Biology of Microbial Communities - Interview
14:42

Biology of Microbial Communities - Interview

Published on: May 28, 2007

9.1K

Related Experiment Videos

Last Updated: Feb 7, 2026

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
08:13

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities

Published on: December 25, 2015

17.9K
Investigating the Microbial Community in the Termite Hindgut - Interview
21:02

Investigating the Microbial Community in the Termite Hindgut - Interview

Published on: May 28, 2007

11.2K
Biology of Microbial Communities - Interview
14:42

Biology of Microbial Communities - Interview

Published on: May 28, 2007

9.1K

Area of Science:

  • Marine microbiology
  • Oceanography
  • Ecology

Background:

  • Understanding marine microbial ecosystems is crucial for ecological studies.
  • Oceanographic features significantly impact microbial life.
  • The Agulhas Current system and Subtropical Front are key areas for investigation.

Purpose of the Study:

  • To assess microbial diversity, community structure, and functional capacity.
  • To investigate these aspects along the Agulhas Current system and Subtropical Front.
  • To analyze microbial communities across epipelagic, oxygen minimum, and bathypelagic zones.

Main Methods:

  • 16S rRNA gene amplicon sequencing.
  • Metagenomic sequencing.
  • Analysis of environmental factors (depth, salinity, oxygen, light).

Main Results:

  • High taxonomic richness found in surface and deep waters, low in oxygen minimum zones (OMZ).
  • Significant dissimilarity in microbial communities between different depths.
  • Marine Gammaproteobacteria dominated, with low picocyanobacteria abundance.
  • Community composition influenced by depth, salinity, oxygen, and light.
  • Carbon, nitrogen, and sulfur cycling linked to specific bacterial groups.

Conclusions:

  • Environmental conditions, especially depth, strongly influence microbial community structure in the Agulhas Current system.
  • Nitrogen and sulfur cycling primarily driven by dominant Gammaproteobacteria.
  • Ecologically rare taxa play a key role in carbon cycling.