Phalloidin–fluorescein isothiocyanate staining of filamentous actin was used to identify muscle systems within the cercariae of Schistosoma mansoni. Examination of labeled cercariae by confocal scanning laser microscopy revealed distinct organizational levels of myofiber arrangements within the body wall, anterior cone, acetabulum, and esophagus. The body wall throughout showed a typical latticelike arrangement of outer circular and inner longitudinal myofibers, with an additional innermost layer of diagonal fibers in the anterior portion of the body. Circular and longitudinal fibers were also evident in the anterior organ and esophagus and, to some extent, the ventral acetabulum. Most striking was the striation of the cercarial tail musculature.
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June 2003
RESEARCH NOTES|
June 01 2003
Organization of the Musculature of Schistosome Cercariae
G. R. Mair;
G. R. Mair
aParasitology Research Group, School of Biology and Biochemistry, Medical Biology Centre, Queen's University Belfast, Belfast BT9 7BL, U.K
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A. G. Maule;
A. G. Maule
aParasitology Research Group, School of Biology and Biochemistry, Medical Biology Centre, Queen's University Belfast, Belfast BT9 7BL, U.K
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B. Fried;
B. Fried
bDepartment of Biology, Lafayette College, Easton, Pennsylvania 18042
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T. A. Day;
T. A. Day
cDepartment of Biomedical Sciences, Iowa State University, Ames, Iowa 50011-1250
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D. W. Halton
D. W. Halton
dTo whom correspondence should be addressed. [email protected]
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J Parasitol (2003) 89 (3): 623–625.
Citation
G. R. Mair, A. G. Maule, B. Fried, T. A. Day, D. W. Halton; Organization of the Musculature of Schistosome Cercariae. J Parasitol 1 June 2003; 89 (3): 623–625. doi: https://doi.org/10.1645/0022-3395(2003)089[0623:OOTMOS]2.0.CO;2
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