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

39
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,...
39
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

56
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...
56
Microbial Nutrition01:28

Microbial Nutrition

70
Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
70
Biofilms01:29

Biofilms

55
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
55
Bacterial Flora of the Large Intestine01:29

Bacterial Flora of the Large Intestine

512
The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
512
Applications of Molecular Taxonomy01:20

Applications of Molecular Taxonomy

41
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...
41

You might also read

Related Articles

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

Sort by
Same author

Fermented food microbiome: influence on oral and gut microbiota, and human health.

Nature reviews. Microbiology·2026
Same author

Gingipain proteases from the bacterium <i>Porphyromonas gingivalis</i> confer protection against airway viral infection.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Periodontal Medicine Rewired: Mechanisms Linking Periodontitis to Systemic Diseases.

Journal of periodontal research·2026
Same author

Ultrasmall oral Saccharibacteria modulate gingival immunoactivation through type IV pili and TLR2-dependent endocytosis.

Nature communications·2026
Same author

Nanozyme Microrobots: Programmable Spatiotemporal Catalysis for Targeted Therapy and Diagnostics.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

DEL-1 is an Endogenous Senolytic Protein that Inhibits Senescence-Associated Bone Loss.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

Related Experiment Video

Updated: Jul 19, 2025

Visualization of Gut Microbiota-host Interactions via Fluorescence In Situ Hybridization, Lectin Staining, and Imaging
09:31

Visualization of Gut Microbiota-host Interactions via Fluorescence In Situ Hybridization, Lectin Staining, and Imaging

Published on: July 9, 2021

8.3K

Social networking at the microbiome-host interface.

Richard J Lamont1, George Hajishengallis2, Hyun Koo3,4

  • 1Department of Oral Immunology and Infectious Diseases, School of Dentistry, University of Louisville , Louisville, Kentucky, USA.

Infection and Immunity
|August 18, 2023
PubMed
Summary

Microbial communities, or biofilms, rarely consist of a single species. These complex interactions shape their function, adaptability, and potential to cause disease in host ecosystems.

Keywords:
dental cariesperiodontal diseasepolymicrobial community

More Related Videos

Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface
10:24

Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface

Published on: July 4, 2018

11.7K
Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device
10:51

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device

Published on: August 30, 2016

22.5K

Related Experiment Videos

Last Updated: Jul 19, 2025

Visualization of Gut Microbiota-host Interactions via Fluorescence In Situ Hybridization, Lectin Staining, and Imaging
09:31

Visualization of Gut Microbiota-host Interactions via Fluorescence In Situ Hybridization, Lectin Staining, and Imaging

Published on: July 9, 2021

8.3K
Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface
10:24

Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface

Published on: July 4, 2018

11.7K
Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device
10:51

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device

Published on: August 30, 2016

22.5K

Area of Science:

  • Microbiology
  • Ecosystem dynamics
  • Host-microbe interactions

Background:

  • Microbial colonization of host ecosystems involves complex communities, not isolated species.
  • These heterotypic communities, or biofilms, exhibit emergent properties driven by interspecies interactions.

Purpose of the Study:

  • To explore the functional specialization and community properties shaped by microbial interactions.
  • To understand how community architecture and host factors influence microbial community behavior and impact.

Main Methods:

  • Analysis of interspecies and interkingdom interactions within microbial communities.
  • Investigation of cell-to-cell binding, signaling molecules, and nutritional codependencies.
  • Examination of community architecture, spatial constraints, and host responses.

Main Results:

  • Interspecies interactions drive functional specialization and shape community properties, including pathogenicity.
  • Community architecture and contextual cues influence the impact of pairwise organism interactions.
  • Host cells and diet can mediate indirect or direct influences on community microenvironments.

Conclusions:

  • Microbial communities exhibit quasi-organismal adaptability, resisting host defenses and exploiting microenvironments.
  • Dysbiotic states enhance community resilience to nutritional changes and immune effectors.
  • Understanding these complex interactions is crucial for comprehending host-microbe dynamics in health and disease.