@article{fdi:010046081, title = {{P}olystoma gallieni : experimental evidence for chemical cues for developmental plasticity}, author = {{B}adets, {M}. and {B}oissier, {J}. and {B}r{\'e}mond, {P}hilippe and {V}erneatu, {O}.}, editor = {}, language = {{ENG}}, abstract = {{A}mong monogeneans that display direct life cycles, plastic developmental strategies may have been selected to counter the lack of transmission opportunities. {W}ithin amphibian polystomatids, some species of the genus {P}olystoma develop into two different phenotypes depending on the host physiological stage to which free swimming larvae attach. {W}hen oncomiracidia infest old tadpoles, they develop slowly and migrate during host metamorphosis towards the bladder where they reach maturity. {O}n the other hand when larvae infest young tadpoles, they develop rapidly into neotenic phenotypes that reproduce in the branchial chamber. {T}hese alternative developments are explored through experimental infestations with {P}olystoma gallieni, the specific polystome of the stripeless tree frog {H}yla meridionalis. {W}hen oncomiracidia were left for 6 h in water in which young tadpoles had been previously maintained for one day, they mainly developed into the neotenic phenotype regardless of the tadpole stage they encountered later. {T}his indicates that {P}. gallieni could collect released host-derived signals before physical contact with its host.}, keywords = {{M}onogenea ; {P}olystomatidae ; {P}olystoma gallieni ; {A}mphibia ; {H}yla meridionalis ; {D}evelopmental plasticity ; {H}ost-derived signals}, booktitle = {}, journal = {{E}xperimental {P}arasitology}, volume = {121}, numero = {2}, pages = {163--166}, ISSN = {0014-4894}, year = {2009}, DOI = {10.1016/j.exppara.2008.10.013}, URL = {https://www.documentation.ird.fr/hor/fdi:010046081}, }