The effect of osmotic stabilizers on the radiometric detection of osmotically sensitive populations of some gram-negative bacteria

O. V. Martinez, T. I. Malinin

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of four osmotic stabilizers on the radiometric detection of osmotically sensitive populations of E. coli, S. typhimurium, and E. cloacae was studied. The addition of sucrose, sorbitol, glycerol, or ethylene glycoll to BACTEC 6B blood culture medium failed to improve the sensitivity of the system and produced an inhibitory effect on the levels of 14CO2 released by organisms previously exposed to lysozyme and EDTA or to penicillin followed by the lysozyme treatment. The same effect was observed both in blood free media and simulated blood cultures. The addition of proline to sucrose-containing hypertonic media had no effect on growth index readings.

Original languageEnglish (US)
Pages (from-to)191-195
Number of pages5
JournalAmerican journal of clinical pathology
Volume77
Issue number2
DOIs
StatePublished - Jan 1 1982

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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