期刊
PARASITOLOGY
卷 127, 期 -, 页码 519-524出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0031182003004244
关键词
Schistosoma mansoni; egg-shell; male-female interaction; female-specific gene expression; pairing-dependent gene expression
类别
A female-specific sequence was isolated from a cDNA library of Schistosoma mansoni and further characterized . Expression of the corresponding gene (p19) depends on pairing with a male. In situ hybridization and immunohistology experiments revealed exclusive expression of the gene in the cells of the vitellarium, suggesting a function in egg formation. In addition, experimental evidence for cross-linking of the protein under oxidative conditions supports the assumption that the p19 gene may code for an egg-shell precursor protein.
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