๐Ÿ”ฌ Mixed-Indicator Method

Plaquing-based means of phage host-range assessment that involves testing the susceptibility of two strains of lawn bacteria simultaneously.

by Stephen T. Abedon Ph.D. (abedon.1@osu.edu)

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About this entry: Mixed-Indicator Method is one of a growing set of phage biology and phage therapy terms defined here. For more phage terms, see Abedon, S.T. (2025). Phage Therapy Annotated Glossary. Preprints.org. 10.20944/preprints202508.0347.v1

phage.org/terms/mixed_indicator_method.html  ·  Abedon’s Books  ·  DOI: 10.5281/zenodo.20173633

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Mixed-Indicator Method: Plaquing-based means of phage host-range assessment that involves testing the susceptibility of two strains of lawn bacteria simultaneously.

Discussion

<p>The mixed indicator method is one means by which plaque turbidity can occur. Note that such turbidity can occur also as a consequence of inadvertent lawn contamination with sufficient quantities of a phage-insusceptible bacterial strains or species.

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How to cite this page

Abedon, S.T. (2026). Phage Terms. https://terms.phage.org  ·  10.5281/zenodo.20173633

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Mixed-Indicator Method — terms.phage.org — phage.org — Stephen T. Abedon — Version 2026.05.14