This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Sauch, J F Articles by Berman, D Search for Related Content PubMed PubMed Citation Articles by Sauch, J F Articles by Berman, D Agricola Articles by Sauch, J F Articles by Berman, D

 Previous Article  |  Next Article 

Appl Environ Microbiol. 1991 May; 57(5): 1573-1575

Immunofluorescence and morphology of Giardia lamblia cysts exposed to chlorine.

Environmental Monitoring Systems Laboratory, U.S. Environmental Protection Agency, Cincinnati, Ohio 45268.

ABSTRACT

Giardia cyst-like objects detected by immunofluorescence in chlorinated water samples often cannot be positively identified by their morphological appearance. To determine the effect of chlorine on cyst immunofluorescence and morphology, Giardia lamblia cysts were exposed to chlorine for 48 h. The majority of cysts exposed to chlorine concentrations of 1 to 11 mg/liter at 5 and 15 degrees C lost their internal morphological characteristics necessary for identification, but most of them were still detectable by immunofluorescence.