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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: Nov 28, 2025

An Analytical Tool-box for Comprehensive Biochemical, Structural and Transcriptome Evaluation of Oral Biofilms Mediated by Mutans Streptococci

An Analytical Tool-box for Comprehensive Biochemical, Structural and Transcriptome Evaluation of Oral Biofilms Mediated by Mutans Streptococci

Published on: January 25, 2011

Deciphering Streptococcal Biofilms.

Puja Yadav¹, Shalini Verma¹, Richard Bauer²

¹Department of Microbiology, Central University of Haryana, Mahendergarh, Haryana 123031, India.

|November 25, 2020

Summary

This summary is machine-generated.

Streptococci bacteria form biofilms for survival, aiding evasion of immunity and antibiotics. Understanding biofilm formation and virulence factors is key to developing new antibiofilm therapies against these significant pathogens.

Keywords:

antibiotic therapy biofilm opportunistic pathogen planktonic quorum sensing (QS)streptococci

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Last Updated: Nov 28, 2025

An Analytical Tool-box for Comprehensive Biochemical, Structural and Transcriptome Evaluation of Oral Biofilms Mediated by Mutans Streptococci

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Concurrent Quantification of Cellular and Extracellular Components of Biofilms

Concurrent Quantification of Cellular and Extracellular Components of Biofilms

Published on: December 10, 2013

Area of Science:

Microbiology
Bacterial Pathogenesis

Background:

Streptococci are common commensals and significant causes of life-threatening infections.
Many streptococci form biofilms on mucosal membranes, enhancing survival in diverse host environments.

Purpose of the Study:

To review current understanding of biofilm formation in streptococci.
To explore how biofilm production influences streptococcal virulence.
To identify potential targets for antibiofilm therapeutic strategies.

Main Methods:

Review of existing literature on streptococcal biofilm formation.
Analysis of gene expression patterns during transition from planktonic to biofilm growth.
Investigation of the role of surface proteins, particularly pili, in biofilm development.

Main Results:

Biofilm formation is a complex, highly regulated process involving specific genes.
Biofilms provide protection against host immunity and antibiotic treatments.
Surface proteins, including pili, play a crucial role in streptococcal biofilm architecture and function.

Conclusions:

Further research into biofilm mechanisms is needed to understand disease causation.
Identifying specific genes and proteins involved in biofilm formation can lead to novel therapeutic targets.
Targeting biofilm formation presents a promising strategy to combat antibiotic-resistant streptococcal infections.