Skip to main content
Applied and Environmental Microbiology logoLink to Applied and Environmental Microbiology
. 1983 Dec;46(6):1282–1285. doi: 10.1128/aem.46.6.1282-1285.1983

Isolation and identification of pathogenic Naegleria australiensis (Amoebida, Vahlkampfiidae) from a spa in northern Italy.

M Scaglia, M Strosselli, V Grazioli, S Gatti, A M Bernuzzi, J F de Jonckheere
PMCID: PMC239564  PMID: 6660868

Abstract

Samples from therapeutic swimming pools and mud basins were cultured for free-living amoebae. Seven strains of pathogenic Naegleria species were isolated. Although some of the strains were as virulent as Naegleria fowleri, the etiological agent of primary amoebic meningoencephalitis, they were identified as Naegleria australiensis with the indirect fluorescent-antibody technique. The virulence of the isolates for mice corresponded with the cytopathic effect for Vero cells. The N. australiensis strains were isolated from swimming pools with water temperatures ranging from 32 to 35 degrees C and from mud with temperatures from 25 to 43 degrees C. The presence of pathogenic N. australiensis in the swimming pools did not correlate with bacterial indicators.

Full text

PDF
1282

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Cain A. R., Wiley P. F., Brownell B., Warhurst D. C. Primary amoebic meningoencephalitis. Arch Dis Child. 1981 Feb;56(2):140–143. doi: 10.1136/adc.56.2.140. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Carter R. F. Description of a Naegleria sp. isolated from two cases of primary amoebic meningo-encephalitis, and of the experimental pathological changes induced by it. J Pathol. 1970 Apr;100(4):217–244. doi: 10.1002/path.1711000402. [DOI] [PubMed] [Google Scholar]
  3. Chang S. L. Resistance of pathogenic Naegleria to some common physical and chemical agents. Appl Environ Microbiol. 1978 Feb;35(2):368–375. doi: 10.1128/aem.35.2.368-375.1978. [DOI] [PMC free article] [PubMed] [Google Scholar]
  4. Cursons R. T., Brown T. J., Keys E. A. Effect of disinfectants on pathogenic free-living amoebae: in axenic conditions. Appl Environ Microbiol. 1980 Jul;40(1):62–66. doi: 10.1128/aem.40.1.62-66.1980. [DOI] [PMC free article] [PubMed] [Google Scholar]
  5. Cursons R. T., Brown T. J., Keys E. A., Gordon E. H., Leng R. H., Havill J. H., Hyne B. E. Primary amoebic meningo-encephalitis in an indoor heat-exchange swimming pool. N Z Med J. 1979 Oct 24;90(646):330–331. [PubMed] [Google Scholar]
  6. De Jonckheere J. F. Hospital hydrotherapy pools treated with ultra violet light: bad bacteriological quality and presence of thermophilic Naegleria. J Hyg (Lond) 1982 Apr;88(2):205–214. doi: 10.1017/s0022172400070078. [DOI] [PMC free article] [PubMed] [Google Scholar]
  7. De Jonckheere J., Van Dijck P., Van de Voorde H. The effect of thermal pollution on the distribution of Naegleria fowleri. J Hyg (Lond) 1975 Aug;75(1):7–13. doi: 10.1017/s0022172400047021. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. De Jonckheere J., van de Voorde H. Differences in destruction of cysts of pathogenic and nonpathogenic Naegleria and Acanthamoeba by chlorine. Appl Environ Microbiol. 1976 Feb;31(2):294–297. doi: 10.1128/aem.31.2.294-297.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
  9. Pussard M. La morphologie des amibes libres, Interet et principes d'etude. Ann Soc Belg Med Trop. 1974;54(4-5):249–257. [PubMed] [Google Scholar]
  10. Rampazzo G., Denes G. Indagine sulle carattestiche ed il funzionamento delle piscine termali coperte e scoperte della zona termale Euganea e loro controllo batteriologico in cinque anni (1963-1967) Nuovi Ann Ig Microbiol. 1969 Mar-Apr;20(2):135–173. [PubMed] [Google Scholar]
  11. Scaglia M., Strosselli M., Grazioli V., Gatti S. Pathogenic Naegleria: isolation from thermal mud samples in a northern Italian spa. Trans R Soc Trop Med Hyg. 1983;77(1):136–137. doi: 10.1016/0035-9203(83)90040-8. [DOI] [PubMed] [Google Scholar]
  12. Stevens A. R., De Jonckheere J., Willaert E. Naegleria lovaniensis new species: isolation and identification of six thermophilic strains of a new species found in association with Naegleria fowleri. Int J Parasitol. 1980 Feb;10(1):51–64. doi: 10.1016/0020-7519(80)90064-8. [DOI] [PubMed] [Google Scholar]
  13. Stevens A. R., Tyndall R. L., Coutant C. C., Willaert E. Isolation of the etiological agent of primary amoebic meningoencephalitis from artifically heated waters. Appl Environ Microbiol. 1977 Dec;34(6):701–705. doi: 10.1128/aem.34.6.701-705.1977. [DOI] [PMC free article] [PubMed] [Google Scholar]
  14. Willaert E. Isolement et culture in vitro des amibes du genre Naegleria. Ann Soc Belges Med Trop Parasitol Mycol. 1971;51(6):701–708. [PubMed] [Google Scholar]

Articles from Applied and Environmental Microbiology are provided here courtesy of American Society for Microbiology (ASM)

RESOURCES