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Chapter 61 : Relationship between Colonization of Building Water Systems by and Environmental Factors

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Abstract:

species are widespread in aquatic environments. is a pathogenic bacteria and is responsible for Legionnaires' disease. Man-made water systems are contaminated by legionellae through the municipal water supply. is generally found in hot water systems and biofilms that are present in water supply systems and multiplies there within protozoan cells. Bacterial transmission to humans occurs through droplets generated from cooling towers, shower heads, and other man-made devices that generate aerosols. The relationship between and total viable bacteria counts (22°C) was performed by linear regression. A cultural analysis of water systems of 139 hotels showed that 57 of the hotels (41%) were contaminated by . serogroup 1 was isolated from 29 (23.3%) water samples, whereas serogroups 2 to 14 were isolated from 95 (76.6%) water samples. The mean water temperature varied from 15 to 62°C in cold and hot water samples. It was found that the effective growth temperature of ranged from 28°C to 41°C. An epidemiologic case has been notified in one of the hotels surveyed in which serogroup 1 was isolated.

Citation: Zeybek Z, Çotuk A. 2002. Relationship between Colonization of Building Water Systems by and Environmental Factors, p 305-308. In Marre R, Abu Kwaik Y, Bartlett C, Cianciotto N, Fields B, Frosch M, Hacker J, Lück P (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555817985.ch61

Key Concept Ranking

Legionella pneumophila
0.54310614
Polymyxin B
0.5106383
0.54310614
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Figures

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FIGURE 1

L. pneumophila and total viable bacterium count (22°C) that are isolated from the same regions.

Citation: Zeybek Z, Çotuk A. 2002. Relationship between Colonization of Building Water Systems by and Environmental Factors, p 305-308. In Marre R, Abu Kwaik Y, Bartlett C, Cianciotto N, Fields B, Frosch M, Hacker J, Lück P (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555817985.ch61
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References

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1. American Public Health Association. 1971. Standard Methods for the Examination of Water and Waste Water. Bacteriological Examination of Water to Determine Its Sanitary Quality, 13th ed. APHA, Washington, D.C.
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6. Dennis, P. J. L., 1988. Isolation of Legionellae from environmental specimens, p. 3157. In T. G. Harrison, and A. G. Taylor (ed.), A Laboratory Manual for Legionella. John Wiley & Sons, Ltd., New York, N.Y.
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8. Fields, B. S., 1993. Legionella and protozoa: interaction of a pathogen and its natural host, p. 129236. In J. M. Barbaree,, R. F. Breiman,, and A. P. Dufour (ed.), Legionella: Current Status and Emerging Perspectives. American Society for Microbiology, Washington, D.C.
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13. Senocak, M. 1998. Biyoistatistik I. Ü. Cerrahpasa Tip Fakultesi, Dilek Ofset Matbaacilik, Istanbul.
14. Winn, W. C., 1995. Legionella, p. 533544. In P. R. Murray,, E. J. Baron,, F. C. Pfaller,, and F. C. Tenover (ed.), Manual of Clinical Microbiology, 6th ed. American Society for Microbiology, Washington, D.C.

Tables

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TABLE 1

Relationship between the materials in hotel water systems and the isolation of L. pneumophila

Citation: Zeybek Z, Çotuk A. 2002. Relationship between Colonization of Building Water Systems by and Environmental Factors, p 305-308. In Marre R, Abu Kwaik Y, Bartlett C, Cianciotto N, Fields B, Frosch M, Hacker J, Lück P (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555817985.ch61
Generic image for table
TABLE 2

Free chlorine and content of hot water samples

Citation: Zeybek Z, Çotuk A. 2002. Relationship between Colonization of Building Water Systems by and Environmental Factors, p 305-308. In Marre R, Abu Kwaik Y, Bartlett C, Cianciotto N, Fields B, Frosch M, Hacker J, Lück P (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555817985.ch61

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