Abstract
Cells of Pseudomonas aeruginosa harvested after 6 hr, 24 hr, 7 days, 33 days, and 120 days of incubation at 36 C varied in their resistance to the deleterious effects of desiccation. The longest survival period observed was for cells from cultures incubated for 7 days. Cells of the exponential growth phase were the most susceptible. The addition of extracellular slime from 7-day cultures to suspending medium did not increase survival of cells from the exponential growth phase. No marked differences in survival time were observed for cells of similar physiological age from cultures incubated at 20, 36, and 42 C. In comparison with the laboratory strain, P. aeruginosa OSU 64, used in this study, strains isolated from natural habitats and subjected to a minimum of manipulation in the laboratory were not better adapted to withstand the stress of desiccation.
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Selected References
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- Emmanouilidou-Arseni A., Koumentakou I. Viability of Pseudomonas aeruginosa. J Bacteriol. 1964 May;87(5):1253–1253. doi: 10.1128/jb.87.5.1253-.1964. [DOI] [PMC free article] [PubMed] [Google Scholar]
- LIU P. V., ABE Y., BATES J. L. The roles of various fractions of Pseudomonas aeruginosa in its pathogenesis. J Infect Dis. 1961 Mar-Apr;108:218–228. doi: 10.1093/infdis/108.2.218. [DOI] [PubMed] [Google Scholar]
- LOWBURY E. J., FOX J. The influence of atmospheric drying on the survival of wound flora. J Hyg (Lond) 1953 Jun;51(2):203–214. doi: 10.1017/s0022172400015631. [DOI] [PMC free article] [PubMed] [Google Scholar]
- MCDADE J. J., HALL L. B. SURVIVAL OF GRAM-NEGATIVE BACTERIA IN THE ENVIRONMENT. I. EFFECT OF RELATIVE HUMIDITY ON SURFACE-EXPOSED ORGANISMS. Am J Hyg. 1964 Sep;80:192–204. doi: 10.1093/oxfordjournals.aje.a120468. [DOI] [PubMed] [Google Scholar]
- MCDADE J. J., HALL L. B. SURVIVAL OF STAPHYLOCOCCUS AUREUS IN THE ENVIRONMENT. I. EXPOSURE OF SURFACES. Am J Hyg. 1963 Nov;78:330–337. doi: 10.1093/oxfordjournals.aje.a120352. [DOI] [PubMed] [Google Scholar]
- Steinhaus E. A., Birkeland J. M. Studies on the Life and Death of Bacteria: I. The Senescent Phase in Aging Cultures and the Probable Mechanisms Involved. J Bacteriol. 1939 Sep;38(3):249–261. doi: 10.1128/jb.38.3.249-261.1939. [DOI] [PMC free article] [PubMed] [Google Scholar]