Physical inactivation of Toxoplasma gondii oocysts in water

Applied and Environmental Microbiology

Volumn 73, Issue 17, 2007, Pages 5663-5666

  Wainwright, Katlyn E ^a   Lagunas Solar, Manuel ^b   Miller, Melissa A ^a,c   Barr, Bradd C ^a,d   Gardner, Ian A ^a   Pina, Cecilia ^b   Melli, Ann C ^a   Packham, Andrea E ^a   Zeng, Nolan ^b   Truong, Tin ^b   Conrad, Patricia A ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c CALIFORNIA DEPARTMENT OF FISH AND GAME   (United States)

^d UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIOASSAY; CELLS; ULTRAVIOLET RADIATION;

MOUSE BIOASSAY; OOCYSTS; PHYSICAL INACTIVATION;

PROTOZOA;

BIOASSAY; PARASITE; PROTOZOAN; RODENT; ULTRAVIOLET RADIATION;

ANIMAL EXPERIMENT; ANTIPROTOZOAL ACTIVITY; ARTICLE; CELL KILLING; CONTROLLED STUDY; MOUSE; NONHUMAN; OOCYST; PARASITE VIABILITY; RADIATION DOSE; RADIATION EXPOSURE; TOXOPLASMA GONDII; ULTRAVIOLET RADIATION; WATER CONTAMINATION;

ANIMALS; CATS; DISINFECTION; DOSE-RESPONSE RELATIONSHIP, RADIATION; MICE; OOCYSTS; TOXOPLASMA; TOXOPLASMOSIS; ULTRAVIOLET RAYS; WATER; WATER SUPPLY;

TOXOPLASMA GONDII;

EID: 34548488674     PISSN: 00992240     EISSN: None     Source Type: Journal    
DOI: 10.1128/AEM.00504-07     Document Type: Article

References (21)

1. American Water Works Association Research Division Microbiological Contaminants Research Committee. 1999. Committee report: emerging pathogens - viruses, protozoa, and algal toxins. J. Am. Water Works Assoc. 91:110-121.
2. ASTM International. 2007. Standard practice for using Fricke reference standard dosimetry system. ASTM International, West Conshohocken, PA. [Online.] http://www.astm.org/cgi-bin/SoftCart.exe/DATABASE.CART /REDLINE_PAGES/E1026.htm?E+mystore.
3. Dubey, J. P. 1996. Pathogenicity and infectivity of Toxoplasma gondii oocysts for rats. J. Parasitol. 82:951-956.
4. Dubey, J. P. 1998. Toxoplasma gondii oocyst survival under defined temperatures. J. Parasitol. 84:862-865.
5. Dubey, J. P. 2004. Toxoplasmosis - a waterborne zoonosis. Vet. Parasitol. 126:57-72.
6. Dubey, J. P., M. C. Jenkins, and D. W. Thayer. 1996. Irradiation killing of Toxoplasma gondii oocysts. J. Eukaryot. Microbiol. 45:123S.
7. Dubey, J. P., J. K. Lunney, S. K. Shen, O. C. H. Kwok, D. A. Ashford, and P. Thulliez. 1996. Infectivity of low numbers of Toxoplasma gondii oocysts to pigs. J. Parasitol. 82:438-443.
8. Dubey, J. P., N. L. Miller, and J. K. Frenkel. 1970. Characterization of the new fecal form of Toxoplasma gondii. J. Parasitol. 56:447-456.
9. Dubey, J. P., C. A. Speer, S. K. Shen, O. C. H. Kwok, and J. A. Blixt. 1997. Oocyst-induced murine toxoplasmosis: life cycle, pathogenicity, and stage conversion in mice fed Toxoplasma gondii oocysts. J. Parasitol. 83:870-882.
10. Dubey, J. P., D. W. Thayer, C. A. Speer, and S. K. Shen. 1998. Effect of gamma irradiation on unsporulated and sporulated Toxoplasma gondii oocysts. Int. J. Parasitol. 28:369-374.
11. Frenkel, J. K., and J. P. Dubey. 1973. Effects of freezing on the viability of Toxoplasma oocysts. J. Parasitol. 59:587-588.
12. Garcia, J. L., S. M. Gennari, R. Z. Machado, and I. T. Navarro. 2006. Toxoplasma gondii: detection by mouse bioassay, histopathology, and polymerase chain reaction in tissues from experimentally infected pigs. Exp. Parasitol. 113:267-271.
13. Hitt, J. A., and G. A. Filice. 1992. Detection of Toxoplasma gondii parasitemia by gene amplification, cell culture, and mouse inoculation. J. Clin. Microbiol. 30:3181-3184.
14. Lagunas-Solar, M. C., C. Solis, A. Mireles, C. Pina, and R. G. Flocchini. 2005. Analysis of trace elements in solid and liquid food with pulsed UV/ PIXE/XRF. Int. J. Particle-Induced X-Ray Emission 15:309-316.
15. Lindsay, D. S., B. L. Blagburn, and J. P. Dubey. 2002. Survival of nonsporulated Toxoplasma gondii oocysts under refrigerator conditions. Vet. Parasitol. 103:309-313.
16. Miller, M. A., M. E. Grigg, C. Kreuder, E. R. James, A. C. Melli, P. R. Crosbie, D. Jessup, J. C. Boothroyd, E. Brownstein, and P. A. Conrad. 2004. An unusual genotype of Toxoplasma gondii is common in California sea otters (Enhydra lutris nereis) and is a cause of mortality. Int. J. Parasitol. 34:275-284.
17. Slifko, T., H. Smith, and J. Rose. 2000. Emerging parasite zoonoses associated with water and food. Int. J. Parasitol. 30:1379-1393.
18. Sroka, J., A. Wojcik-Fatla, and J. Dutkiewicz. 2006. Occurrence of Toxoplasma gondii in water from wells located on farms. Ann. Agric. Environ. Med. 13:169-175.
19. Tenter, A., A. Heckeroth, and L. Weiss. 2000. Toxoplasma gondii: from animals to humans. Int. J. Parasitol. 30:1217-1258.
20. Wainwright, K. W., M. A. Miller, B. C. Barr, I. A. Gardner, A. C. Melli, T. Essert, A. E. Packham, T. Truong, M. C. Lagunas-Solar, and P. A. Conrad. Chemical inactivation of Toxoplasma gondii oocysts in water. J. Parasitol., in press.
21. Yilmaz, S., and S. Hopkins. 1972. Effects of different conditions on duration of infectivity of Toxoplasma gondii oocysts. J. Parasitol. 58:938-939.