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Related Experiment Video

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μREACT: A microfluidic system for rapid evaluation of trans-kingdom interactions.

Can Huang1, Jing Yang2, Shaorong Chen2

  • 1Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX, 77843, USA.

Biosensors & Bioelectronics
|October 11, 2024
PubMed
Summary

A new microfluidic system, μREACT (Microfluidic system for Rapid Evaluation of bacterial Adherence and Communication in Trans-kingdom interactions), efficiently identifies and characterizes microbial interactions with host cells. This technology reveals known and novel trans-kingdom interactions at single-cell resolution.

Keywords:
DielectrophoresisHigh-throughput microfluidicsInterkingdom interactionsMicrobial adherence assayMicrofluidic cell separation

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Area of Science:

  • Microbiology
  • Systems Biology
  • Bioengineering

Background:

  • Trans-kingdom interactions between microorganisms and host cells are crucial for ecological and biological systems.
  • Understanding the full spectrum of microbial interactions with host cells is limited by current technological constraints.
  • High-throughput, single-cell resolution systems are needed to decipher these complex interactions.

Purpose of the Study:

  • To introduce a novel microfluidic system, μREACT, for analyzing interkingdom interactions.
  • To enable high-throughput, single-cell resolution characterization of microbial adherence and communication with host cells.
  • To uncover previously unknown microbial interactions and their characteristics.

Main Methods:

  • Development of μREACT, a microfluidic system utilizing dielectrophoretic separation.
  • Single-cell resolution analysis of bacterial adherence to host cells.
  • High-throughput sorting of adherent microorganisms (10^7 per hour) without labeling, comparable to flow cytometry.

Main Results:

  • μREACT successfully identified both known and novel trans-kingdom interactions.
  • Detailed characterization of these interactions was achieved at single-cell resolution.
  • Analysis of soil microbial samples revealed known high-adherence bacteria and new interactions suggesting emerging endosymbiosis.

Conclusions:

  • μREACT is a powerful tool for discovering and characterizing interkingdom interactions.
  • The system offers high throughput and single-cell resolution without the need for labeling.
  • This technology has the potential to advance our understanding of ecosystem dynamics and fundamental biological processes.