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Biofilms

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...

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Related Experiment Video

Updated: Dec 18, 2025

Assessing Biofilm Dispersal in Murine Wounds

Assessing Biofilm Dispersal in Murine Wounds

Published on: August 7, 2021

Biofilm dispersion.

Kendra P Rumbaugh^1,2,3, Karin Sauer^4,5

¹Department of Surgery, Texas Tech University Health Sciences Center, Lubbock, TX, USA.

Nature Reviews. Microbiology

|June 14, 2020

Summary

This summary is machine-generated.

Microbial biofilms disperse cells to a vulnerable planktonic state, offering a new strategy for biofilm control. Understanding dispersion mechanisms is key to developing novel therapeutics against infections.

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

Published on: March 11, 2015

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Last Updated: Dec 18, 2025

Assessing Biofilm Dispersal in Murine Wounds

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Published on: August 7, 2021

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

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

Published on: March 11, 2015

Area of Science:

Microbiology
Molecular Biology
Biochemistry

Background:

Microbial biofilms represent a multicellular growth mode for bacteria, protecting them from external threats.
The dispersion phase releases single cells from biofilms, reverting them to a planktonic state.
Planktonic bacteria are more susceptible to antimicrobial agents and immune responses.

Purpose of the Study:

To review the conditions and mechanisms driving bacterial biofilm dispersion.
To explore the role of matrix degradation and the phenotype of dispersed cells.
To discuss the therapeutic potential of exploiting bacterial dispersion in infections.

Main Methods:

Literature review of studies on bacterial biofilm formation, dispersion, and control.
Analysis of signaling pathways and environmental cues that trigger dispersion.
Examination of the biochemical processes involved in matrix degradation during dispersion.

Main Results:

Dispersion is triggered by specific environmental and native cues.
Matrix degradation plays a crucial role in facilitating cell egress from biofilms.
Dispersed cells exhibit a distinct phenotype compared to biofilm-embedded cells.

Conclusions:

Bacterial dispersion is a critical, yet understudied, phase of the biofilm life cycle.
Targeting dispersion mechanisms presents a promising strategy for combating biofilm-related infections.
Further research into dispersion can lead to novel therapeutic interventions.