Efficiency of Plating (EOP)

Abedon, Stephen T.

doi:10.5281/zenodo.20173633

Efficiency of Plating: Relative number of plaques that a phage stock is capable of producing.

Discussion

<p>Note that efficiency of plating is not equivalent to phage viability on a given host or under a given set of medical+condition" class="bap-term">conditions, though it often is used as such. This non-equivalency is a consequence of the wikipedia.org/wiki/Complexity" target="_blank" class="bap-term">complexity of plaque formation, which requires not just phage ability to productively infect a given host (= viability) but also rate of phage population growth as well as physical virion spread within a bacterial lawn, and even rate and extent of bacterial lawn growth.

See efficiency of center of infection for further discussion of this non-equivalence of phage inviability and failure to form plaques. For additional discussion of this issue, see nih.gov/pubmed/19066821" target="_blank" class="bap-term">Abedon and Yin (2009).

This is the definition from Adams (1959), p. 439: "Plaque titer of a phage preparation, determined by plating under stated conditions, relative to some other estimate, usually higher, of the concentration of phage particles."

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References

Abedon and Yin (2009)
Adams (1959). Bacteriophages. Interscience Publishers, New York.

How to cite this page

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

[1] Abedon and Yin (2009)

[2] Adams (1959). Bacteriophages. Interscience Publishers, New York.

🔬 Efficiency of Plating (EOP)

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