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

Chemotaxis in E. coli01:27

Chemotaxis in E. coli

1.0K
Chemotaxis in Escherichia coli is a sensory-driven motility mechanism that enables bacteria to navigate chemical gradients, moving toward beneficial environments while avoiding harmful conditions. This process relies on a signal transduction system integrating external chemical cues with flagellar motor control.Chemoreceptors and Signal DetectionE. coli detects chemical gradients through methyl-accepting chemotaxis proteins (MCPs), which are membrane-bound chemoreceptors that sense attractants...
1.0K
High-Performance Liquid Chromatography: Types of Detectors01:15

High-Performance Liquid Chromatography: Types of Detectors

1.8K
The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
1.8K
Chemotaxis and Direction of Cell Migration01:21

Chemotaxis and Direction of Cell Migration

5.9K
Cells can detect chemical cues in their environment and reorganize the cytoskeleton to migrate toward them or away from them. This directional migration, called chemotaxis, is essential during embryogenesis and development, immune response, tissue repair and regeneration, and reproduction. These chemical cues can either attract or repel the cell's movement. For example, axon development is determined by a combination of chemoattractants and chemorepellents that direct the growing axon...
5.9K

You might also read

Related Articles

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

Sort by
Same author

Exploring polyhydroxyalkanoates biosynthesis using hydrocarbons as carbon source: a comprehensive review.

Biodegradation·2024
Same author

Local Schottky contacts of embedded Ag nanoparticles in Al<sub>2</sub>O<sub>3</sub>/SiN <sub>x</sub> :H stacks on Si: a design to enhance field effect passivation of Si junctions.

Nanotechnology·2018
Same author

Stevens-Johnson Syndrome After Influenza Vaccine Injection.

Journal of investigational allergology & clinical immunology·2017
Same author

Drug Eruption Caused by Rosuvastatin.

Journal of investigational allergology & clinical immunology·2017
Same author

Eosinophilic Cellulitis Possibly Due to Mosquito Bite With High IL-5 Production.

Journal of investigational allergology & clinical immunology·2017
Same author

Psoriatic Erythroderma Caused by Terbinafine: A Possible Pathogenetic Role for IL-23.

Journal of investigational allergology & clinical immunology·2017
Same journal

Kombucha tea as a natural coagulant in legume-based milk systems: Optimization and characterization of fermented curds.

Journal of microbiological methods·2026
Same journal

A single-cell isolation strategy for screening diverse functional Haloarchaea strains.

Journal of microbiological methods·2026
Same journal

Body site-dependent variation in the human forensic microbiome: A comparative analysis of publicly available 16S rRNA gene amplicon data.

Journal of microbiological methods·2026
Same journal

Crude sap based colorimetric duplex RT-RPA assay for rapid detection of citrus yellow vein clearing virus and citrus yellow mottle-associated virus in citrus.

Journal of microbiological methods·2026
Same journal

Real-time quantitative PCR combined with propidium monoazide for simultaneous detection and quantification of Escherichia coli, Staphylococcus aureus and Salmonella spp. during processing of animal-based food products.

Journal of microbiological methods·2026
Same journal

A low-cost microbial bioassay for comparative assessment of nitrogen fixation in pesticide-exposed cyanobacteria.

Journal of microbiological methods·2026
See all related articles

Related Experiment Video

Updated: Feb 24, 2026

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients
09:28

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients

Published on: April 19, 2010

12.6K

Chemotaxis detection towards chlorophenols using video processing analysis.

E Okada1, M Nisenbaum2, J Martínez Arca3

  • 1Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.

Journal of Microbiological Methods
|August 29, 2017
PubMed
Summary
This summary is machine-generated.

This study reveals bacteria can move towards chlorophenols, a novel finding in microbial chemotaxis. Researchers developed a new method to measure bacterial speed during these responses.

Keywords:
ChemotaxisChlorophenolsMixed cultureVideo processing analysis

More Related Videos

Author Spotlight: Examining Volatile Sex Pheromone Influence on Male C. elegans Behavior
06:49

Author Spotlight: Examining Volatile Sex Pheromone Influence on Male C. elegans Behavior

Published on: August 9, 2024

3.4K
An All-on-chip Method for Rapid Neutrophil Chemotaxis Analysis Directly from a Drop of Blood
07:21

An All-on-chip Method for Rapid Neutrophil Chemotaxis Analysis Directly from a Drop of Blood

Published on: June 23, 2017

17.6K

Related Experiment Videos

Last Updated: Feb 24, 2026

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients
09:28

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients

Published on: April 19, 2010

12.6K
Author Spotlight: Examining Volatile Sex Pheromone Influence on Male C. elegans Behavior
06:49

Author Spotlight: Examining Volatile Sex Pheromone Influence on Male C. elegans Behavior

Published on: August 9, 2024

3.4K
An All-on-chip Method for Rapid Neutrophil Chemotaxis Analysis Directly from a Drop of Blood
07:21

An All-on-chip Method for Rapid Neutrophil Chemotaxis Analysis Directly from a Drop of Blood

Published on: June 23, 2017

17.6K

Area of Science:

  • Microbiology
  • Environmental Science
  • Biochemistry

Background:

  • Chlorophenols are common environmental pollutants.
  • Bacterial chemotaxis is crucial for microbial survival and environmental adaptation.
  • Understanding bacterial responses to pollutants is vital for bioremediation.

Purpose of the Study:

  • To investigate bacterial chemotaxis towards chlorophenols.
  • To establish a new method for quantifying bacterial movement in response to chemical stimuli.

Main Methods:

  • Utilized an agarose in-plug assay.
  • Employed video processing analysis for bacterial tracking.
  • Introduced a novel index for bacterial mean speed.

Main Results:

  • Demonstrated bacterial chemotaxis towards chlorophenols for the first time.
  • Successfully applied and validated the enhanced chemotaxis assay.
  • Quantified bacterial movement patterns in response to chlorophenols.

Conclusions:

  • Bacteria exhibit chemotaxis towards chlorophenols.
  • The developed assay and speed index are effective tools for studying bacterial chemotaxis.
  • This research opens new avenues for understanding pollutant biodegradation.