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 and Direction of Cell Migration01:21

Chemotaxis and Direction of Cell Migration

6.2K
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...
6.2K
Chemotaxis in E. coli01:27

Chemotaxis in E. coli

1.3K
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...
1.3K
Cell Migration01:09

Cell Migration

19.2K
Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms throughout their life. When cells are not able to migrate properly to their ordained locations, various disorders may occur. For example, disruption in cell migration causes chronic inflammatory diseases such as arthritis.
19.2K
Cell Migration01:19

Cell Migration

7.5K
Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
7.5K
Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

5.7K
A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker...
5.7K
Cell Polarization by Rho Proteins01:21

Cell Polarization by Rho Proteins

4.1K
Cell polarity is the asymmetric distribution of cellular and membrane components, making one side of the cell different from the other. This polarity is essential to many processes such as embryogenesis, axon migration, glucose transport across epithelial cells, and directional cell migration. A migrating cell responds to intracellular or extracellular signals via molecular cascades that reorganize the actin cytoskeleton to establish this polarity. In these cells, the Rho family proteins Cdc42,...
4.1K

You might also read

Related Articles

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

Sort by
Same author

A novel extracytoplasmic function sigma factor (RpoE6) regulates biogenesis of a minor flagellin and other functions in <i>Azospirillum brasilense</i> Sp7.

Journal of bacteriology·2025
Same author

Movement of bacteria in the soil and the rhizosphere.

Applied and environmental microbiology·2025
Same author

Indole-3-acetic acid (IAA) protects <i>Azospirillum brasilense</i> from indole-induced stress.

Applied and environmental microbiology·2025
Same author

Ethylene signals through an ethylene receptor to modulate biofilm formation and root colonization in a beneficial plant-associated bacterium.

PLoS genetics·2025
Same author

An <i>Azospirillum brasilense</i> chemoreceptor that mediates nitrate chemotaxis has conditional roles in the colonization of plant roots.

Applied and environmental microbiology·2024
Same author

TrhA, a bacterial progestin and adiponectin receptor homolog, couples membrane energetics homeostasis and unsaturated fatty acid metabolism.

Journal of bacteriology·2023

Related Experiment Video

Updated: Apr 6, 2026

Measurement of Cellular Chemotaxis with ECIS/Taxis
11:37

Measurement of Cellular Chemotaxis with ECIS/Taxis

Published on: April 1, 2012

15.5K

Chemotaxis Control of Transient Cell Aggregation.

Gladys Alexandre1

  • 1Biochemistry, Cellular and Molecular Biology Department, The University of Tennessee, Knoxville, Tennessee, USA galexan2@utk.edu.

Journal of Bacteriology
|July 29, 2015
PubMed
Summary

Cellular movement (chemotaxis) guides bacteria to favorable environments and influences initial cell-cell interactions. Chemotaxis signaling regulates these transient aggregations, impacting biofilm formation.

Area of Science:

  • Microbiology
  • Cell Biology
  • Biophysics

Background:

  • Motile cells use chemotaxis to navigate environments and find growth niches.
  • Upon reaching favorable conditions, cells may cease motility and form biofilms.
  • Transient cell-cell contacts often precede irreversible adhesion and biofilm commitment.

Purpose of the Study:

  • To review the role of chemotaxis signaling in initiating transient cell-cell contacts.
  • To explore how chemotaxis influences early stages of biofilm development.
  • To highlight the connection between chemotaxis and bacterial aggregation behaviors.

Main Methods:

  • Literature review of bacterial chemotaxis and cell aggregation.
  • Analysis of signaling pathways linking chemotaxis to motility apparatus (flagella, pili, gliding).

More Related Videos

Imaging G Protein-coupled Receptor-mediated Chemotaxis and its Signaling Events in Neutrophil-like HL60 Cells
08:24

Imaging G Protein-coupled Receptor-mediated Chemotaxis and its Signaling Events in Neutrophil-like HL60 Cells

Published on: September 14, 2016

10.7K
Planar Gradient Diffusion System to Investigate Chemotaxis in a 3D Collagen Matrix
09:26

Planar Gradient Diffusion System to Investigate Chemotaxis in a 3D Collagen Matrix

Published on: June 12, 2015

9.0K

Related Experiment Videos

Last Updated: Apr 6, 2026

Measurement of Cellular Chemotaxis with ECIS/Taxis
11:37

Measurement of Cellular Chemotaxis with ECIS/Taxis

Published on: April 1, 2012

15.5K
Imaging G Protein-coupled Receptor-mediated Chemotaxis and its Signaling Events in Neutrophil-like HL60 Cells
08:24

Imaging G Protein-coupled Receptor-mediated Chemotaxis and its Signaling Events in Neutrophil-like HL60 Cells

Published on: September 14, 2016

10.7K
Planar Gradient Diffusion System to Investigate Chemotaxis in a 3D Collagen Matrix
09:26

Planar Gradient Diffusion System to Investigate Chemotaxis in a 3D Collagen Matrix

Published on: June 12, 2015

9.0K
  • Examination of metabolic cue influence on chemotaxis and adhesion.

    • Main Results:

    • Chemotaxis signaling modulates transient cell aggregation in motile bacteria.
    • Aggregation is a behavioral response to metabolic cues that maintain motility.
    • Chemotaxis plays a key role in initiating cell-cell contacts.

    Conclusions:

    • Chemotaxis is crucial for both directed cell movement and the initiation of cell-cell interactions.
    • Understanding chemotaxis-mediated aggregation is vital for comprehending biofilm formation.
    • Chemotaxis signaling provides a regulatory mechanism for bacterial community development.