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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...
Microbial Growth Measurement: Indirect Methods01:27

Microbial Growth Measurement: Indirect Methods

Estimating microbial growth is essential for understanding population dynamics and environmental adaptations. Indirect methods provide valuable insights by measuring parameters such as turbidity, metabolic activity, and biomass, enabling efficient and reproducible assessments.During exponential growth, microbial cells scatter light proportionally to their biomass, a principle used in turbidity measurements. About one million cells per milliliter produce detectable scattering, which a...

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Related Experiment Video

Updated: Jul 2, 2026

Microtiter Dish Biofilm Formation Assay
03:57

Microtiter Dish Biofilm Formation Assay

Published on: January 30, 2011

Growing and analyzing static biofilms.

Judith H Merritt1, Daniel E Kadouri, George A O'Toole

  • 1Dartmouth Medical School, Hanover, New Hampshire, USA.

Current Protocols in Microbiology
|September 5, 2008
PubMed
Summary

This study presents simple, adaptable static biofilm assays for examining early bacterial biofilm formation. These methods require minimal equipment and offer diverse readouts for analyzing microbial communities.

Area of Science:

  • Microbiology
  • Biotechnology
  • Biophysics

Background:

  • Bacteria frequently form surface-attached communities called biofilms.
  • Biofilms play crucial roles in various environments, including medical and industrial settings.
  • Understanding biofilm development is key to controlling these microbial communities.

Purpose of the Study:

  • To present accessible methods for studying static biofilm systems.
  • To facilitate the examination of early-stage biofilm formation, including initial adherence and microcolony development.
  • To offer versatile techniques adaptable to various conditions and study scales.

Main Methods:

  • Description of static biofilm assays.
  • Adaptable techniques for diverse experimental conditions.

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Microtiter Dish Biofilm Formation Assay
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  • Methods suitable for small- to large-scale studies with minimal specialized equipment.

    • Main Results:

    • Static biofilm assays allow for the study of initial bacterial adherence and microcolony formation.
    • Techniques are easily adaptable for various conditions and study scales.
    • Multiple readouts available, including live-cell microscopy, stained visualization, and viability counts.

    Conclusions:

    • Static biofilm assays provide effective and accessible means to study biofilm formation.
    • These methods are valuable for analyzing microbial community development.
    • The presented assays offer flexibility and diverse analytical options for biofilm research.