ArticleParasitology research2009
Spermatological characters of the caryophyllidean cestode Khawia sinensis Hsü, 1935, a carp parasite.
Article in Parasitology research, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 29 citations in OpenAlex.
- Complete mitogenome sequence of Caryophyllaeus brachycollis (Cestoda: Caryophyllidae) from China: Characterization and phylogenetic analyses of Caryophyllidea.Parasites, hosts and diseases · 2025Article
- Ultrastructure and Cytochemistry of the Mature Spermatozoon ofHelminthologia · 2020Article
- Heteromorphism of sperm axonemes in a parasitic flatworm, progenetic Diplocotyle olrikii Krabbe, 1874 (Cestoda, Spathebothriidea).Parasitology research · 2020Article
- New data on spermiogenesis and trepaxonematan axoneme in basal tapeworms (Cestoda, Caryophyllidea, Lytocestidae) parasitizing cyprinid fishes.Scientific reports · 2019Article
- First ultrastructural and cytochemical data on the spermatozoon and its differentiation in progenetic and adult Archigetes sieboldi Leuckart, 1878 (Cestoda, Caryophyllidea, Caryophyllaeidae).Parasitology research · 2019Article
- Ultrastructural, cytochemistry and electron tomography analysis of Caryophyllaeides fennica (Schneider, 1902) (Cestoda: Lytocestidae) reveals novel spermatology characteristics in the Eucestoda.Parasitology research · 2018Article
- Nippotaenia mogurndae Yamaguti et Myiata, 1940 (Cestoda, Nippotaeniidea): first data on spermiogenesis and sperm ultrastructure.Parasitology research · 2015Article
- Sequence structure and intragenomic variability of ribosomal ITS2 in monozoic tapeworms of the genus Khawia (Cestoda: Caryophyllidea), parasites of cyprinid fish.Parasitology research · 2012Article
- Ultrastructure of the spermatozoon of the diphyllobothriidean cestode Cephalochlamys namaquensis (Cohn, 1906).Parasitology research · 2012Article
- Early intrauterine embryonic development in Khawia sinensis Hsü, 1935 (Cestoda, Caryophyllidea, Lytocestidae), an invasive tapeworm of carp (Cyprinus carpio): an ultrastructural study.Parasitology research · 2012Article
- Spermiogenesis and spermatozoon ultrastructure of the bothriocephalidean cestode Clestobothrium crassiceps (Rudolphi, 1819), a parasite of the teleost fish Merluccius merluccius (Gadiformes: Merlucciidae).Parasitology research · 2012Article
- Revisiting caryophyllidean type of spermiogenesis in the Eucestoda based on spermatozoon differentiation and ultrastructure of Caryophyllaeus laticeps (Pallas, 1781).Parasitology research · 2012Article
- Spermiogenesis and spermatozoon ultrastructure of the diphyllidean cestode Echinobothrium euterpes (Neifar, Tyler and Euzet 2001) Tyler 2006, a parasite of the common guitarfish Rhinobatos rhinobatos.Parasitology research · 2011Article
- Spermatological characters of bothriocephalideans (Cestoda) inferred from an ultrastructural study on Oncodiscus sauridae and Senga sp.Parasitology research · 2011Article
- Ultrastructure of spermiogenesis and mature spermatozoon of Breviscolex orientalis (Cestoda: Caryophyllidea).Parasitology research · 2011Article
- Ultrastructural aspects of spermatogenesis, testes, and vas deferens in the parthenogenetic tapeworm Atractolytocestus huronensis Anthony, 1958 (Cestoda: Caryophyllidea), a carp parasite from Slovakia.Parasitology research · 2011Article
- Spermatological characters of the spathebothriidean tapeworm Didymobothrium rudolphii (Monticelli, 1890).Parasitology research · 2010Article
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Spermatological characters of the caryophyllidean tapeworm Khawia sinensis (Lytocestidae), a carp parasite, have been investigated for the first time. The process of the spermatozoon formation corresponds in basic pattern to that of Khawia armeniaca (Brunanská and Poddubnaya, Parasitol Res 99: 449-454, 2006). The presence of dense material at the early stages of spermiogenesis, the intercentriolar body, flagellar rotation (free flagellum plus flagellar bud), and a complete proximodistal fusion have been reported. In addition, it was shown that the developing spermatids may exhibit a free flagellum distally. The unipartite young spermatid and/or mature spermatozoon of K. sinensis consist of one axoneme of the 9 + "1" trepaxonematan pattern, nucleus, and cortical microtubules. These components are situated in cytoplasm, which is either electrolucent (young spermatid) or moderately electrodense (mature spermatozoon). The crested body is absent. The proximal extremity of the male gamete of K. sinensis contains a centriole and a few (up to six) cortical microtubules arranged in a semicircle. The number of cortical microtubules increases distally and reaches maximum (up to 15) in the middle part of the filiform cell, which contains the nucleus. The posterior extremity of the mature spermatozoon exhibits elements of the disorganized axoneme. The ultrastructural characteristics of spermiogenesis and the mature spermatozoon of K. sinensis support basal position of the Caryophyllidea (and Spathebothriidea) relative to other eucestode orders.
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