Abstract
Morphology of the daughter sporocysts of Cercaria etgesii Shchenkov, 2017 (Pleurogenidae) has been described according to conventional histological techniques and subsequent 3D reconstruction with BitplaneImaris® software. Novel data were obtained concerning the spatial organization of the brood cavity of Pleurogenidae daughter sporocysts. It was shown that the laminated structures of the endocyst are lining the brood cavity and carry out its compartmentalisation by formation of the chambers around developing and disintegrating embryos of cercariae. First description of the germinal mass of the Pleurogenidae daughter sporocysts is given. No mitoses in germinal mass were evident although apparent production of the cercariae embryos by the sporocysts take place. The analogous principle of daughter sporocysts morphofunctional organisation was noted for the studied representatives of closely related taxa of trematodes: Pleurogenidae (C. etgesii) and Microphallidae (Microphallus ‘pygmaeus’ group).
Similar content being viewed by others
References
Ataev, G.L., Isakova, N.P., Dobrovolskij A.. 2007. Reproduction of the trematode Echinostoma caproni (Digenea: Echinostomatidae). Parazitologiia, 41, 512–525. (In Russian)
Bibby, M.C., Rees G. 1971. The ultrastructure of the epidermis and associated structures in the metacercaria cercaria and sporocyst of Diplostomum phoxini (Faust, 1918). Zeitschrift für Parasitenkunde, 37, 169–186. DOI: 10.1007/BF00259497
Brinesh, R., Janardanan K.P. 2013. The life history of Pleurogenoides malampuzhensis sp. nov. (Digenea: Pleurogenidae) from amphibious and aquatic hosts in Kerala, India. Journal of Helminthology, 88, 230–236. DOI: 10.1017/S0022149X13000084
Cort, W.W., Ameel, D.J., Van der Woude A. 1954. Germinal development in the sporocysts and rediae of the digenetic trematodes. Experimental Parasitology, 3, 185–225. DOI: 10.1016/0014-4894(54)90008-9
Dobrovolskij A.A. 1975. Some patterns in evolution of mother sporocysts of trematodes of the suborder Plagiorchiata. Ekologicheskaya i Eksperimentalnaya Parazitologiya (Ecological and experimental parasitology), 1, 96–108. (In Russian).
Dobrovolskij, A.A., Ataev G.L. 2003. The Nature of Reproduction of Trematodes Rediae and Sporocysts. In: (Eds C. Combes and J. Jourdane) Taxonomy, ecology, and evolution of metazoan parasites. Perpignan, France, Presses Universitaires de Perpignan, pp. 249–272
Dobrovolskij, A.A., Galaktionov, K.V., Mukhamedov, G.K., Sinha B.K., Tihomirov I.A. 1983. Parthenogenetic generations of trematodes. Trudy Leningradskogo Obshestva Estestvoispytatelei, Leningrad, Izdatel’stvo Leningradskogo Universiteta, pp. 108. (In Russian)
Etges F.J. 1960. On the Life History of Prosthodendrium (Acanthatrium) anaplocami n. sp. (Trematoda: Lecithodendriidae). The Journal of Parasitology, 46, 235–240. DOI: 10.2307/3275180
Franco-Acuña, D.O., Pinheiro, J., Oliveira-Menezes, A., Brandolini S.V.P.B., DaMatta R. A., de Souza W. 2011. Light and scanning electron microscopy of sporocysts of Eurytrema coelomaticum (Giard et Billet, 1892) Looss, 1907. Veterinary Parasitology, 177, 72–78. DOI: 10.1016/j.vetpar.2010.11.038
Galaktionov, K.V., Dobrovolskij A.A. 2003. The biology and evolution of trematodes: an essay on the biology, morphology, life cycles, transmissions, and evolution of digenetic trematodes. London, Kluwer Academic Publishing, pp. 594
Goodman J.D. 1989. Langeronia brenesi n. sp. (Trematoda: Lecithodendriidae) in the Mountain Yellow-Legged Frog Rana muscosa from Southern California. Transactions of the American Microscopical Society, 108, 387–393. DOI: 10.2307/3226269
Hall J.E. 1959. Studies on the Life History of Mosesia chordeilesia Mcmullen, 1936 (Trematoda: Lecithodendriidae). The Journal of Parasitology, 45, 327–336. DOI: 10.2307/3274510
Isakova N.P. 2011a. The germinal mass of the rediae of Trematoda. Parazitologiia, 45, 358–366. (In Russian)
James, B.L., Bowers E.A. 1967. Reproduction in the daughter sporocyst of Cercaria bucephalopsis haimeana (Lacaze-Duthiers, 1854) (Bucephalidae) and Cercaria dichotoma Lebour, 1911 (non Müller) (Gymnophallidae). Parasitology, 57, 607–625. DOI: 10.1017/S003118200007308X
Klag, J., Niewiadomska, K., Czubaj A. 1997. Ultrastructural studies on the sporocyst wall of Diplostomum pseudospathaceum Niewiadomska, 1984 (Digenea, Diplostomidae). Internetional Journal for Parasitology, 27, 919–929. DOI: 10.1016/S0020-7519(97)00063-5
Knight, R.A., Pratt I. 1955. The Life-Histories of Allassogonoporus vespertilionis Macy and Acanthatrium oregonense Macy (Trematoda: Lecithodendriidae). The Journal of Parasitology, 41, 248–255. DOI: 10.2307/3274199
Køie M. 1971a. On the histochemistry and ultrastructure of the redia of Neophasis lageniformis (Lebour, 1910) (Trematoda, Acanthocolpidae). Ophelia, 9, 113–143. DOI: 10.1080/00785326.1971.10430092
Køie M. 1971b. On the histochemistry and ultrastructure of the daughter sporocyst of Cercaria buccini Lebour, 1911. Ophelia, 9, 145–163. DOI: 10.1080/00785326.1971.10430093
Koulish S. 1965. Ultrastructure of differentiating oocytes in the trematode Gorgoderina attenuata: I. The ‘nucleolus-like’ cytoplasmic body and some lamellar membrane systems. Developmental Biology, 12, 248–268. DOI: 10.1016/0012-1606(65)90030-8
Kremnev, G.A., Shchenkov, S.V., Dobrovolskij A.A. 2017. Morphology and functional dynamics of trematode ovaries: from genital system primordium in cercariae to adults germarium. In: ICIM IV International Congress on Invertebrate Morphology Program and Abstracts, Moscow, Russia, pp. 182
Krupenko, D.Y., Krapivin, V.A., Gonchar A.G. 2016. Muscle system in rediae and daughter sporocysts of several digeneans. Zoomorphology, 135, 405–418. DOI: 10.1007/s00435-016-0318-7
Madhavi, R., Dhanumkumari, C., Ratnakumari T.B. 1987. The life history of Pleurogenoides orientatis (Srivastava, 1934) (Trematoda: Lecithodendriidae). Parasitology Research, 71, 41–45. DOI: 10.1007/BF00536334
Mukhamedov G.K. 1979. Seasonal dynamic of the development and reproduction of parthenogenetic generations of Xiphidiocercaria sp. VII Odening, 1962 (Trematoda: Plagiorchiidae) in the snail Coretus corneus. Parazitologiia, 13, 444–448 (In Russian)
Nesterenko, L.T., Panin, V.Y., Fedoseenko V.M. 1980. The structure of the endocyst in daughter sporocyst of Eurytrema pancreaticum (Janson, 1889). Folia Parasitologica, 27, 131–133
Pinheiro, J., Maldonado, A., Attias, M.J., Lanfredi R.M. 2004. Morphology of the rediae of Echinostoma paraensei (Trematoda: Echinostomatidae) from its intermediate host Lymnaea columella (Mollusca, Gastropoda). Parasitology Research, 93, 171–177. DOI: 10.1007/s00436-004-1110-z
Podvyaznaya, I.M., Galaktionov K.V. 2011. Morpho-functional specialization of the branching sporocyst of Prosorhynchoides borealis Bartoli, Gibson and Bray, 2006 (Digenea, Bucephalidae). Journal of Helminthology, 86, 173–184. DOI: 10.1017/S0022149X11000137
Reader T.A. J. 1975. Ultrastructural, histochemical and cytochemical observations on the body wall of the daughter sporocyst of Cercaria helvetica XII (Dubois 1927). Zeitschrift für Parasitenkunde, 45, 243–261. DOI: 10.1007/BF00329377
Rees G. 1966. Light and electron microscope studies of the redia of Parorchis acanthus Nicoll. Parasitology, 56, 589–602. DOI: 10.1017/S0031182000069079
Sannia, A., James, B.L., Bowers E.A. 1978. The morphology of Cercaria cerastodermae I nom. nov. (Monorchiidae) (=Cercaria lepidapedon rachion (Cobbold, 1858) sensu Lebour, 1908) a rare digenean parasite of the cockle in Britain. Journal of Natural History, 12, 487–500. DOI: 10.1080/00222937800770351
Schell S.C. 1962. The life history of Telorchis bonnerensis Waitz (Trematoda: Reniferidae), a parasite of the long-toed salamander, Ambystoma macrodactylum Baird. Transactions of the American Microscopical Society, 81, 137–146. DOI: 10.2307/3223672
Schell S.C. 1965. The life history of Haematoloechus breviplexus Stafford, 1902 (Trematoda: Haplometridae McMullen, 1937), with emphasis on the development of the sporocysts. The Journal of Parasitology, 51, 587–593. DOI: 10.2307/3276238
Schindelin, J., Rueden, C.T., Hiner, M.C., Eliceiri K.W. 2015. The ImageJ ecosystem: An open platform for biomedical image analysis. Molecular Reproduction and Development, 82, 518–529. DOI: 10.1002/mrd.22489
Sokolov, S.G., Shchenkov S.V. 2017. Phylogenetic position of the family Orientocreadiidae within the superfamily Plagiorchioidea (Trematoda) based on partial 28S rDNA sequence. Parasitology Research, 16, 2831–2844. DOI: 10.1007/s00436-017-5594-8
Shchenkov S.V. 2017. Description of virgulate Cercaria etgesii larva nov. (Xiphidiocercariae): A new type of virgula organ. Parazitologiia, 51, 158–164
Shchenkov, S.V., Kremnev, G.A., Smirnov P.A. 2016. Nervous system organization in sporocysts of Plagiorchis sp. (Trematoda: Plagiorchiidae) and Cercaria etgesii (Trematoda: Lecithodendroidea). In: Lomonosov–2016, Program and Abstracts, Moscow, Russia, pp. 174. (In Russian)
Skála, V., Bulantová J., Walker A. J., Horák P. 2014. Insights into the development of Notocotylus attenuatus (Digenea: Notocotylidae) in Lymnaea stagnalis: from mother sporocyst to cercariae. Parasitology International, 63, 94–99. DOI: 10.1016/j.parint.2013.09.009
Tang C.C. 1950. Studies on the life history of Eurytrema pancreaticum Janson, 1889. Journal of Parasitology, 36, 559–573. DOI: 10.2307/3273289
Zdárská Z. 1979. Morphology, histochemistry and ultrahistochemistry of the endocyst in developing and expelled sporocysts of Eurytrema pancreaticum. Folia Parasitologica, 26, 309–312
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Kremnev, G.A., Shchenkov, S.V. Histological description of Cercaria etgesii Shchenkov, 2017 daughter sporocysts (Trematoda: Pleurogenidae): compartmentalization of the brood cavity and germinal mass morphology. Acta Parasit. 63, 317–324 (2018). https://doi.org/10.1515/ap-2018-0036
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1515/ap-2018-0036