期刊
PARASITOLOGY
卷 126, 期 -, 页码 135-140出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0031182002002676
关键词
schistosoma mansoni; tail loss; cercariae; invasion; concomitant immunity
类别
Schistosomiasis is initiated when cercarial larvae invade human skin. Contrary to long-held assumptions, most cercariae of Schistosoma mansoni do not shed their propulsive tails as they penetrate. Scanning electron microscopy studies and infection experiments with entire human skin and differentiated, stratum corneum-like, human keratinocyte cultures, have shown that most cercarial tails enter the skin along with their bodies. We propose that this behaviour is an adaptive trait linked with concomitant immunity.
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