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Related Concept Videos

Adherens Junctions01:24

Adherens Junctions

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Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types –  adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as  epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as  heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
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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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Bacterial Signaling01:30

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Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
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Cell Adhesion Molecules - Types and Functions01:20

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Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
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Related Experiment Video

Updated: Apr 29, 2026

Biomimetic Materials to Characterize Bacteria-host Interactions
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Recent progress in biointerfaces with controlled bacterial adhesion by using chemical and physical methods.

Jingxin Meng1, Pengchao Zhang, Shutao Wang

  • 1Laboratory of Bio-inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P. R. China), Fax: (+86) 010-82627566.

Chemistry, an Asian Journal
|May 29, 2014
PubMed
Summary

Chemically and physically designed biointerfaces offer controlled bacterial adhesion for applications like infection prevention and enhanced biosensors. These smart surfaces can switch between adhesive and resistant states, with topography also influencing bacterial behavior.

Keywords:
bacteriabiointerfacessensorssurface chemistrytopochemistry

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Area of Science:

  • Materials Science
  • Biotechnology
  • Surface Chemistry

Background:

  • Controlled bacterial adhesion is crucial for applications including infection control, biocatalysts, and biosensors.
  • Developing advanced biointerfaces is key to managing bacterial interactions.

Purpose of the Study:

  • To review recent advancements in chemically and physically designed biointerfaces for controlled bacterial adhesion.
  • To highlight strategies for both promoting and preventing bacterial attachment.

Main Methods:

  • Design of smart-responsive biointerfaces tunable by external stimuli.
  • Manipulation of biointerface topography to regulate bacterial adhesion.
  • Integration of novel materials like graphene and technologies such as biosensors.

Main Results:

  • Smart-responsive biointerfaces can switch between bacteria-adhesive and bacteria-resistant states.
  • Biointerface topography significantly influences bacterial adhesion behavior.
  • New materials and technologies offer promising avenues for bacterial adhesion control.

Conclusions:

  • Chemically and physically engineered biointerfaces provide versatile platforms for controlling bacterial adhesion.
  • These advancements hold significant potential for practical applications in medicine and biotechnology.