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Related Experiment Video

Updated: Dec 27, 2025

Extracellular Protein Microarray Technology for High Throughput Detection of Low Affinity Receptor-Ligand Interactions
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Mammalian lectin arrays for screening host-microbe interactions.

Sabine A F Jégouzo1, Conor Nelson1, Thomas Hardwick1

  • 1Department of Life Sciences, Imperial College London, London SW7 2AZ, United Kingdom.

The Journal of Biological Chemistry
|February 26, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel lectin array to systematically study interactions between C-type lectin receptors and microbes. This tool identified previously unknown glycan targets on microorganisms, advancing innate immunity research.

Keywords:
array screeningcarbohydrate functioncarbohydrate-binding proteinglycan-binding receptorsglycobiologyinnate immune systemlectinligand bindinglipopolysaccharide (LPS)pathogen

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Area of Science:

  • Immunology
  • Microbiology
  • Glycobiology

Background:

  • C-type lectins are crucial glycan-binding receptors in innate immunity, involved in pathogen recognition and host-pathogen interactions.
  • Existing studies often focus on individual receptor-microbe pairs, limiting a comprehensive understanding of these interactions.
  • Pathogens can exploit mammalian receptors to gain entry into host cells.

Purpose of the Study:

  • To systematically investigate interactions between a broad range of C-type lectins and various microorganisms.
  • To develop and validate a lectin array platform for high-throughput screening of microbial binding patterns.
  • To identify novel microbial glycan targets recognized by C-type lectins.

Main Methods:

  • Development of a custom lectin array featuring C-type lectins from cattle.
  • Establishment of protocols for microbial cell labeling suitable for array probing.
  • Screening of the lectin array against diverse microbial species, including yeast and Gram-positive/negative bacteria.

Main Results:

  • Distinct binding patterns were observed between C-type lectins and different microbial strains.
  • Some interactions were attributable to known ligands like lipopolysaccharides or capsular polysaccharides.
  • Novel glycan targets on microorganisms were identified, suggesting previously unrecognized receptor functions.

Conclusions:

  • Mammalian lectin arrays are powerful discovery tools for identifying novel microbial ligands.
  • This approach can reveal new functions for C-type lectin receptors in host-microbe recognition.
  • The findings expand our understanding of innate immune responses and host-pathogen interactions.