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Related Concept Videos

Biofilms01:29

Biofilms

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...
Colonisation of Pathogens01:25

Colonisation of Pathogens

Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
Cytoskeletal Proteins in Bacteria01:29

Cytoskeletal Proteins in Bacteria

Bacterial cells were initially considered simple, randomly organized structures lacking a cytoskeleton. However, the discovery of cytoskeleton homologs in bacteria led to the change of this opinion. Bacterial cytoskeletal filaments regulate the cell shape, cell polarity, cell division, and partitioning of plasmids during cell division. It was later discovered that bacterial cytoskeletal proteins, mainly actin and tubulin homologs, are diverse compared to their eukaryotic counterparts. On the...
Microbial Interactions: Cooperation01:26

Microbial Interactions: Cooperation

Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...
Fimbriae, Pili, and Axial Filaments01:28

Fimbriae, Pili, and Axial Filaments

Fimbriae and pili are specialized bacterial surface structures that play pivotal roles in adhesion, genetic exchange, and motility. Composed primarily of pilin protein, these hairlike appendages are crucial for bacterial survival and pathogenicity in various environments.Fimbriae: Adhesion and PathogenicityFimbriae are fine, filamentous structures measuring 2–10 nanometers in diameter and are densely distributed on the bacterial cell surface. They facilitate bacterial adhesion to abiotic...

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Related Experiment Video

Updated: May 15, 2026

Methods for Characterizing the Co-development of Biofilm and Habitat Heterogeneity
09:21

Methods for Characterizing the Co-development of Biofilm and Habitat Heterogeneity

Published on: March 11, 2015

Interactions in bacterial biofilm development: a structural perspective.

James A Garnett1, Steve Matthews

  • 1Centre for Structural Biology, Department of Life Sciences, Imperial College London, South Kensington, London SW7 2AZ, UK.

Current Protein & Peptide Science
|January 12, 2013
PubMed
Summary
This summary is machine-generated.

Bacterial biofilms, protective microbial communities, form on surfaces. This review covers their structure, formation, and methods to prevent and disrupt these persistent bacterial colonies.

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Methodologies for Studying B. subtilis Biofilms as a Model for Characterizing Small Molecule Biofilm Inhibitors
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Methodologies for Studying B. subtilis Biofilms as a Model for Characterizing Small Molecule Biofilm Inhibitors

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Last Updated: May 15, 2026

Methods for Characterizing the Co-development of Biofilm and Habitat Heterogeneity
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Methods for Characterizing the Co-development of Biofilm and Habitat Heterogeneity

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Methodologies for Studying B. subtilis Biofilms as a Model for Characterizing Small Molecule Biofilm Inhibitors
10:17

Methodologies for Studying B. subtilis Biofilms as a Model for Characterizing Small Molecule Biofilm Inhibitors

Published on: October 9, 2016

Area of Science:

  • Microbiology
  • Structural Biology
  • Biochemistry

Background:

  • Many bacteria thrive in communities called biofilms.
  • Biofilms are encased in a self-produced extracellular matrix.
  • These structures protect bacteria from environmental stress and antimicrobials.

Purpose of the Study:

  • To review current understanding of initial biofilm formation based on structural data.
  • To briefly describe biofilm maturation and dispersal.
  • To overview modern techniques for preventing and disrupting biofilms.

Main Methods:

  • Analysis of structural data for initial biofilm formation.
  • Review of biofilm maturation and dispersal processes.
  • Overview of biofilm prevention and disruption technologies.

Main Results:

  • Initial biofilm formation involves cell surface recognition and adhesion.
  • Extracellular matrix protects bacteria from various damaging factors.
  • Structural insights into early biofilm development are advancing.

Conclusions:

  • Biofilms are crucial for bacterial survival and persistence in disease and industry.
  • Understanding biofilm structure is key to developing control strategies.
  • Further research focuses on high-resolution insights into maturation and dispersal.