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

Marine Microbial Ecology01:30

Marine Microbial Ecology

Marine microbial ecosystems are shaped by distinct physicochemical limits, including high salinity, low nutrient availability, and fluctuating oxygen levels. These conditions favor smaller microbial cell sizes, which maximize their surface-to-volume ratio for efficient nutrient uptake.Microbial activity and community composition are closely linked to biogeochemical cycles, particularly in dynamic environments like estuaries, where halotolerant microbes thrive in response to variable salinity...
Gene Regulation in Microbial Communities: Quorum Sensing01:28

Gene Regulation in Microbial Communities: Quorum Sensing

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,...
Methods for Controlling Microbial Growth01:29

Methods for Controlling Microbial Growth

Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
Microbial Corrosion01:24

Microbial Corrosion

Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
Microbial Mats01:25

Microbial Mats

Microbial communities forming biofilms and mats represent complex, spatially structured ecosystems where metabolic processes are stratified according to light, oxygen, and nutrient gradients. Biofilms are initial colonization stages, only a few millimeters thick, while mature microbial mats can reach centimeter-scale thickness and display intricate vertical organization. Their structural and functional heterogeneity allows microorganisms to occupy distinct ecological niches within a few...
Microenvironments01:22

Microenvironments

Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...

You might also read

Related Articles

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

Sort by
Same author

A new species of <i>Microeledone</i> from Galápagos Islands and an amended diagnosis of the Megaleledonidae (Octopoda: Incirrata).

Zootaxa·2026
Same author

A new fossil locality in the Late Permian Zewan Formation reveals evidence of marine chondrichthyan in Kashmir Himalaya.

Anatomical record (Hoboken, N.J. : 2007)·2026
Same author

Elliptic Fourier analysis as a tool for the taxonomic identification of isolated theropod pedal phalanges.

Anatomical record (Hoboken, N.J. : 2007)·2026
Same author

A holistic survey of small mammal diversity across an iconic Madrean Sky Island (Santa Catalina Mountains, Arizona, USA).

bioRxiv : the preprint server for biology·2026
Same author

Talking with adolescent and young adult cancer survivors about health after cancer: A review and communication guide for clinicians.

CA: a cancer journal for clinicians·2025
Same author

Machine learning reveals distinct gene expression signatures across tissue states in stony coral tissue loss disease.

Royal Society open science·2025

Related Experiment Video

Updated: May 20, 2026

An Integrated Micro-Device System for Coral Growth and Monitoring
05:58

An Integrated Micro-Device System for Coral Growth and Monitoring

Published on: July 21, 2023

Microbial regulation in gorgonian corals.

Laura R Hunt1,2, Stephanie M Smith1, Kelsey R Downum1

  • 1Department of Biology, University of Texas at Arlington, 235 Life Science, Arlington, TX 76019, USA.

Marine Drugs
|July 24, 2012
PubMed
Summary
This summary is machine-generated.

Gorgonian corals contain novel compounds that can inhibit or stimulate bacterial quorum sensing (QS), a key process in microbial colonization. This discovery offers insights into coral-microbial interactions and potential therapeutic applications.

Keywords:
antimicrobial activitygorgonian coralsmicrobial regulationquorum sensing (QS)

More Related Videos

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation
09:49

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation

Published on: October 31, 2019

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use
07:23

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use

Published on: April 28, 2022

Related Experiment Videos

Last Updated: May 20, 2026

An Integrated Micro-Device System for Coral Growth and Monitoring
05:58

An Integrated Micro-Device System for Coral Growth and Monitoring

Published on: July 21, 2023

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation
09:49

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation

Published on: October 31, 2019

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use
07:23

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use

Published on: April 28, 2022

Area of Science:

  • Marine biology
  • Natural product chemistry
  • Microbial ecology

Background:

  • Gorgonian corals produce novel natural products.
  • Bacterial quorum sensing (QS) regulates microbial colonization of host organisms.
  • Regulation of QS may be a bacterial control mechanism.

Purpose of the Study:

  • To investigate Caribbean gorgonian coral extracts for antibacterial and QS regulatory activities.
  • To identify compounds that modulate microbial colonization.

Main Methods:

  • Extraction of twelve Caribbean gorgonian coral species.
  • Testing extracts using a Pseudomonas aeruginosa QS reporter and Chromobacterium violaceium biosensor.
  • Assessing antibacterial activity against marine and non-marine bacterial strains.

Main Results:

  • Gorgonian extracts exhibited varied antibacterial and QS activities.
  • Higher antimicrobial activity was observed against non-marine strains.
  • Pseudopterogorgia americana, P. acerosa, and Pseudoplexuara flexuosa showed significant QS inhibition.
  • Pseudoplexuara porosa extracts demonstrated a 17-fold increase in QS activity.

Conclusions:

  • Gorgonian corals harbor novel compounds with stimulatory and inhibitory QS effects, as well as bactericidal properties.
  • These findings provide insights into coral-microbial ecology.
  • Potential therapeutic applications of these compounds warrant further investigation.