Effects of exogenous glucose on survival and infectivity of Schistosoma mansoni cercariae

The effects of exogenous glucose in artificial spring water (ASW) were studied on the survival and infectivity of Schistosoma mansoni cercariae. The mean percent survival of cercariae maintained in 1% glucose in ASW for 36 and 48hr was significantly greater than that of cercariae maintained identically in ASW. Cercariae maintained in ASW with or without glucose for 24hr, fixed in neutral buffered formalin, and stained in Oil Red O, showed an accumulation of neutral lipid in the tail. Cercariae maintained as described above and stained in periodic acid-Schiff exhibited depleted glycogen, mainly from the tail. Cercariae maintained in ASW with glucose for 24hr did not resynthesize glycogen. Cercariae maintained in ASW with glucose for 24hr were as capable of infecting male FVBN202 mice as were freshly emerged cercariae, and increased the percent of worm recovery. Exogeneous glucose added to ASW prolonged the survival of S. mansoni cercariae and increased infectivity in terms of worm recovery.

Title	Effects of exogenous glucose on survival and infectivity of Schistosoma mansoni cercariae
Creator	Kim, Y.
	Fried, Bernard
	Laterra, R.
Publisher	Korean Journal of Parasitology
Academic Department	Biology
Division	Natural Sciences
Organization	Lafayette College
Date Issued	March 2002
Date Available	2015-06-05T20:35:13Z
Type	Article
Language	English
Keyword	cercariae
	infectivity
	survival
	Schistosoma mansoni
	trematodes
	glucose
Bibliographic Citation	Fried, B., R. Laterra, and Y. Kim (2002 Mar.) "Effects of exogenous glucose on survival and infectivity of Schistosoma mansoni cercariae." Korean Journal of Parasitology 40 (1): 55–58.
Standard Identifier	Handle 10385/1997
Standard Identifier	DOI 10.3347/kjp.2002.40.1.55
Permalink	http://hdl.handle.net/10385/1997
Rights Statement	Creative Commons - Attribution, Non-Commercial
Rights Holders	The Korean Society for Parasitology and Tropical Medicine