caa a22 4500 386399867 CHVBK 20180307112154.0 cr unu---uuuuu 161130e198910 xx s 000 0 eng 10.1017/S0031182000058674 doi S0031182000058674 pii (NATIONALLICENCE)cambridge-10.1017/S0031182000058674 Thèron A. Laboratoire de Biologie Animale (UA CNRS 698), Centre de Biologie et d'ecologie tropicale et méditerranéenne, Université, avenue de Villeneuve, 66025 Perpignan Cedex, France Hybrids between Schistosoma mansoni and S. rodhaini: characterization by cercarial emergence rhythms [Elektronische Daten] [A. Thèron] Hybridization between Schistosoma mansoni, with a diurnal cercarial emergence rhythm and S. rodhaini, with a nocturnal cercarial shedding pattern leads to F1 and F2 generations, hybrid schistosomes whose chronobiological phenotype of cercariae is characterized by two unequal emergence peaks, one diurnal and the other nocturnal. The relative importance of diurnal and nocturnal peaks depends upon which S. mansoni strain (early or late) is used for the hybridization with S. rodhaini. The results are compared and discussed with those resulting from crosses between intraspecific sympatric and allopatric chronobiological variants (early and late) of S. mansoni. The genetic determinism of the cercarial emergence of schistosomes and the significant differences observed between cercarial shedding patterns of parental species and their hybrids allow the use of this behavioural marker in biological and genetical studies in schistosome populations. Copyright © Cambridge University Press 1989 Schistosoma mansoni nationallicence S. rodhaini nationallicence hybridization nationallicence cercarial emergence nationallicence behavioural marker nationallicence Parasitology Cambridge University Press 99/2(1989-10), 225-228 0031-1820 99:2<225 1989 99 PAR https://doi.org/10.1017/S0031182000058674 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S0031182000058674 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Thèron A. Laboratoire de Biologie Animale (UA CNRS 698), Centre de Biologie et d'ecologie tropicale et méditerranéenne, Université, avenue de Villeneuve, 66025 Perpignan Cedex, France NATIONALLICENCE 773 0- Parasitology Cambridge University Press 99/2(1989-10), 225-228 0031-1820 99:2<225 1989 99 PAR CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge