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Updated: Jul 9, 2025

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins
Published on: June 11, 2015
Phage-Host Interaction Analysis Using Flow Cytometry
Maria Daniela Silva1,2, Luís D R Melo3,4
1CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal.
Abstract:
Phage-host interactions are commonly evaluated by culture-based methods. However, these techniques are very laborious and time-consuming. Therefore, other time-efficient, not labor-intensive, and cost-effective methods have been developed.This chapter describes the methodology used to assess the susceptibility of planktonic cultures of bacteria to phage infection and to study their interactions over time by flow cytometry.
Insights
Flow cytometry offers a faster, less labor-intensive method for studying phage-host interactions compared to traditional culture methods. This technique efficiently assesses bacterial susceptibility to phage infection over time.
Area of Science:
- Microbiology
- Biotechnology
- Virology
Background:
- Traditional culture-based methods for evaluating phage-host interactions are laborious and time-consuming.
- The need for efficient, cost-effective, and less labor-intensive techniques is critical in microbiology research.
- Advancements in analytical methods are crucial for understanding microbial dynamics.
Purpose of the Study:
- To describe a methodology for assessing bacterial susceptibility to phage infection.
- To detail the use of flow cytometry for studying phage-host interactions over time.
- To present an alternative to conventional, labor-intensive culture methods.
Main Methods:
- Utilizing flow cytometry to analyze planktonic bacterial cultures.
- Assessing the susceptibility of bacteria to specific phage infections.
- Monitoring phage-host interactions dynamically over a period.
Main Results:
- Flow cytometry provides a time-efficient assessment of phage-host interactions.
- The method allows for detailed study of bacterial susceptibility to phages.
- This approach offers a less labor-intensive alternative to culture-based assays.
Conclusions:
- Flow cytometry is a viable and efficient tool for studying phage-host dynamics.
- This methodology enhances the speed and reduces the labor involved in phage-host interaction studies.
- The technique facilitates a deeper understanding of bacterial responses to phage infection.
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