๐Ÿ”ฌ Capacity

A bacterium's ability to support a phage infection.

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

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About this entry: Capacity 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/capacity.html  ·  Abedon’s Books  ·  DOI: 10.5281/zenodo.20173633

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Capacity: A bacterium's ability to support a phage infection.

Discussion

<
p>Bacteria that are unable to support a phage infection may or may not be able to survive the attempt. If both phage and bacterium die, then one can described the infection as abortive whereas if only the bacterium dies then I prefer to use the term, restrictive (or restriction). Thus, for both restrictive and abortive infections the bacterium's capacity to support a phage infection has been reduced to zero.

This is the definition from Adams (1959), p. 439): "The ability of a bacterium to support growth of phage when infected. Thus one speaks of the capacity of a bacterial+culture" class="bap-term">bacterial culture varying with the dose of wikipedia.org/wiki/Ultraviolet_light" class="bap-term" target=_blank>ultraviolet light administered to it before infection. To preserve the usefulness of the term, it should not be used to describe the effects of treatment applied after infection."

External links

References

  • 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

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Capacity — terms.phage.orgphage.org — Stephen T. Abedon — Version 2026.05.14