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

Flagella and Motility in Bacteria01:18

Flagella and Motility in Bacteria

3.2K
Flagella are specialized, thread-like structures that extend from a bacteria's cell envelope. They play a crucial role in motility and chemotaxis. Their structural organization and functioning exemplify sophisticated biological engineering, enabling bacterial survival and adaptability in diverse environments.Structure of the FlagellumA bacterial flagellum consists of three key components: the filament, the hook, and basal body. The filament, a long, helical structure composed of repeating...
3.2K
Plant Cell Wall02:43

Plant Cell Wall

60.6K
The plant cell wall gives plant cells shape, support, and protection. As a cell matures, its cell wall specializes according to the cell type. For example, the parenchyma cells of leaves possess only a thin, primary cell wall.
60.6K
Gastric Motility01:16

Gastric Motility

3.3K
Gastric motility is the coordinated contraction and relaxation of stomach muscles that convert ingested food into chyme, a semi-liquid substance ready for further digestion in the intestines. The process begins with the vagus nerve inducing the relaxation of the smooth muscles in the fundus and body of the stomach, allowing these regions to expand and accommodate up to approximately 1.5 liters of food and liquid.
Peristaltic Waves and Chyme Formation
Upon food entry, the stomach initiates...
3.3K
Fixed Action Patterns01:06

Fixed Action Patterns

17.7K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.7K
Bacterial Cell Wall01:22

Bacterial Cell Wall

4.0K
The bacterial cell wall is an essential structural component that encases the plasma membrane, preserving cellular integrity, determining shape, and protecting against osmotic stress. This rigid yet flexible structure primarily comprises peptidoglycan, a polymer that forms a mesh-like matrix conferring mechanical strength and flexibility.Peptidoglycan Composition and StructurePeptidoglycan, the core of the bacterial cell wall, comprises alternating units of N-acetylglucosamine (NAG) and...
4.0K
Composite Masonry Walls01:18

Composite Masonry Walls

1.7K
Composite masonry walls combine multiple wythes of the same or different masonry materials to create a unified structure. These walls feature wythes that are bonded together either through mortar-filled collar joints, grouted spaces, or more commonly, with rigid metal ties and reinforcements, with the use of masonry header units being rare. Metal ties are preferred because they effectively minimize water penetration, as these walls primarily absorb moisture and then release it into the...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Field-induced phase transitions in ferro-antiferromagnetic diblock copolymers.

The Journal of chemical physics·2026
Same author

From phytochemical complexity to biological function: A comparative study of Capparis spinosa fruit extracts.

Fitoterapia·2026
Same author

<i>Bifidobacterium</i><i>animalis</i> subsp. <i>lactis</i> BB-12 Primes Epithelial Antiviral Defenses and Restricts Influenza A Virus Replication in Human Intestinal Organoid-Derived Monolayers.

Microorganisms·2026
Same author

Activity of <i>Angelica sinensis</i> extract for cutaneous applications: antioxidant, anti-senescent, and antimicrobial effects.

Frontiers in pharmacology·2026
Same author

Enteric botulinum neurotoxins facilitate infection by <i>Salmonella</i> and <i>Shigella</i>.

Science advances·2026
Same author

Optimizing non-crosslinked type I collagen barrier membranes for guided bone regeneration: a comparative study of a BMP-2 derived peptide adsorption and covalent grafting.

Biomedical materials (Bristol, England)·2026

Related Experiment Video

Updated: Feb 13, 2026

Analysis of Motility Patterns of Stentor During and After Oral Apparatus Regeneration Using Cell Tracking
07:17

Analysis of Motility Patterns of Stentor During and After Oral Apparatus Regeneration Using Cell Tracking

Published on: April 26, 2021

2.3K

Wall accumulation of bacteria with different motility patterns.

Paolo Sartori1, Enrico Chiarello1, Gaurav Jayaswal1

  • 1Dipartimento di Fisica e Astronomia "Galileo Galilei," Università di Padova, via Marzolo 8, 35131 Padova PD, Italy.

Physical Review. E
|March 18, 2018
PubMed
Summary

Bacterial swimming patterns do not affect their distribution in confined spaces. Motile bacteria accumulate near walls, regardless of motility type or wall separation, driven by self-propulsion and collisions.

More Related Videos

Author Spotlight: Studying Bacterial Growth in 3D Hydrogel Matrices
05:46

Author Spotlight: Studying Bacterial Growth in 3D Hydrogel Matrices

Published on: January 19, 2024

3.3K
Gastrointestinal Motility Monitor GIMM
08:15

Gastrointestinal Motility Monitor GIMM

Published on: December 1, 2010

31.6K

Related Experiment Videos

Last Updated: Feb 13, 2026

Analysis of Motility Patterns of Stentor During and After Oral Apparatus Regeneration Using Cell Tracking
07:17

Analysis of Motility Patterns of Stentor During and After Oral Apparatus Regeneration Using Cell Tracking

Published on: April 26, 2021

2.3K
Author Spotlight: Studying Bacterial Growth in 3D Hydrogel Matrices
05:46

Author Spotlight: Studying Bacterial Growth in 3D Hydrogel Matrices

Published on: January 19, 2024

3.3K
Gastrointestinal Motility Monitor GIMM
08:15

Gastrointestinal Motility Monitor GIMM

Published on: December 1, 2010

31.6K

Area of Science:

  • Microbiology
  • Biophysics
  • Fluid Dynamics

Background:

  • Bacterial motility influences population distribution in microenvironments.
  • Understanding bacterial behavior in confined spaces is crucial for various applications.

Purpose of the Study:

  • To investigate how different bacterial swimming patterns affect concentration distribution in confined geometries.
  • To determine the influence of wall separation on bacterial concentration profiles.

Main Methods:

  • Experimental observation of motile bacteria (Escherichia coli, Pseudomonas aeruginosa) concentration near walls.
  • Testing varying wall separations (100–250μm).
  • Numerical simulations using self-propelled dumbbells with steric interactions.

Main Results:

  • Bacterial accumulation near walls was observed, consistent with prior research.
  • Concentration profiles were independent of specific swimming patterns (Run and Tumble, Run and Reverse).
  • Concentration profiles were also independent of wall separation.

Conclusions:

  • Bacterial distribution in these confined systems is primarily governed by self-propulsion and steric collisions.
  • Hydrodynamic interactions also play a role in bacterial suspension behavior.
  • Motility patterns have a negligible impact on the observed concentration profiles.