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Registros recuperados: 23
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Double impact: natural molluscicide for schistosomiasis vector control also impedes development of Schistosoma mansoni cercariae into adult parasites ArchiMer
Augusto, Ronaldo De Carvalho; Tetreau, Guillaume; Chan, Philippe; Walet-balieu, Marie-laure; Mello-silva, Clelia Christina; Santos, Claudia Portes; Grunau, Christoph.
Background Schistosomiasis has been reported in 78 endemic countries and affects 240 million people worldwide. The digenetic parasite Schistosoma mansoni needs fresh water to compete its life cycle. There, it is susceptible to soluble compounds that can affect directly and/or indirectly the parasite's biology. The cercariae stage is one of the key points in which the parasite is vulnerable to different soluble compounds that can significantly alter the parasite's life cycle. Molluscicides are recommended by the World Health Organization for the control of schistosomiasis transmission and Euphorbia milii latex is effective against snails intermediate hosts. Methodology/Principal findings We used parasitological tools and electron microscopy to verify the...
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Ano: 2017 URL: https://archimer.ifremer.fr/doc/00398/50960/71803.tif
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A multistrain approach to studying the mechanisms underlying compatibility in the interaction between Biomphalaria glabrata and Schistosoma mansoni ArchiMer
Galinier, Richard; Roger, Emmanuel; Mone, Yves; Duval, David; Portet, Anais; Pinaud, Silvain; Chaparro, Cristian; Grunau, Christoph; Genthon, Clemence; Dubois, Emeric; Rognon, Anne; Arancibia, Nathalie; Dejean, Bernard; Theron, Andre; Gourbal, Benjamin; Mitta, Guillaume.
In recent decades, numerous studies have sought to better understand the mechanisms underlying the compatibility between Biomphalaria glabrata and Schistosoma mansoni. The developments of comparative transcriptomics, comparative genomics, interactomics and more targeted approaches have enabled researchers to identify a series of candidate genes. However, no molecular comparative work has yet been performed on multiple populations displaying different levels of compatibility. Here, we seek to fill this gap in the literature. We focused on B. glabrata FREPs and S. mansoni SmPoMucs, which were previously demonstrated to be involved in snail/schistosome compatibility. We studied the expression and polymorphisms of these factors in combinations of snail and...
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Ano: 2017 URL: https://archimer.ifremer.fr/doc/00388/49951/50515.pdf
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Sex-Biased Transcriptome of Schistosoma mansoni: Host-Parasite Interaction, Genetic Determinants and Epigenetic Regulators Are Associated with Sexual Differentiation ArchiMer
Picard, Marion A. L.; Boissier, Jerome; Roquis, David; Grunau, Christoph; Allienne, Jean-francois; Duval, David; Toulza, Eve; Arancibia, Nathalie; Caffrey, Conor R.; Long, Thavy; Nidelet, Sabine; Rohmer, Marine; Cosseau, Celine.
Background Among more than 20,000 species of hermaphroditic trematodes, Schistosomatidae are unusual since they have evolved gonochorism. In schistosomes, sex is determined by a female heterogametic system, but phenotypic sexual dimorphism appears only after infection of the vertebrate definitive host. The completion of gonad maturation occurs even later, after pairing. To date, the molecular mechanisms that trigger the sexual differentiation in these species remain unknown, and in vivo studies on the developing schistosomulum stages are lacking. To study the molecular basis of sex determination and sexual differentiation in schistosomes, we investigated the whole transcriptome of the human parasite Schistosoma mansoni in a stage-and sex-comparative...
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Ano: 2016 URL: https://archimer.ifremer.fr/doc/00358/46876/71864.pdf
Registros recuperados: 23
Primeira ... 12 ... Última
 

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