| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 2091414 | Journal of Microbiological Methods | 2006 | 5 Pages |
Abstract
Reaction of ferric ions with hydrogen sulfide (H2S) enhances contrast of phage plaques in H2S+ Salmonella, but contrast diminishes in weak H2S+ strains. H2S was affected by concentrations of peptones, glucose, ferric ammonium citrate (FAC) and sodium thiosulfate (ST), and by FAC:ST ratio, temperature, pH, air, and host strain. Increasing peptone levels was most important for improving contrast in weak H2S+ strains.
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Authors
M.R. McLaughlin,