Redescription of<i>Rhipidocotyle galeata</i>(Rudolphi, 1819) (Digenea, Bucephalidae), the type species of<i>Rhipidocotyle</i>Diesing, 1907

Derbel, Hela; Châari, Manel; Neifar, Lassad

doi:10.5252/z2011n2a1

Cited by 3 publications

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“…Trematodes of the family Bucephalidae differ from all other digenean trematodes by the configuration of their digestive system. Unlike in other trematodes, their mouth opening and pharynx are located in the central body region (Bauer, 1987; Derbel et al, 2011; Reda & Hassanine, 2002; Stewart, Marks, & Halton, 2003a). The results of our study showed for the first time the presence of well‐developed muscles in the digestive system of R. campanula : the circular, longitudinal and radial muscle elements were detected in the pharynx, the longitudinal and circular muscle fibres – in the oesophagus and intestinal wall.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The digestive system consists of a muscular pharynx that opens ventrally at the middle of the body, an oesophagus and a simple caecum. The caecum superficially resembles that of a rhabdocoel turbellarian and may be sac-like or elongated but never bifurcated (Derbel, Neifar, & Manel, 2011;Gibson, Jones, & Bray, 2002;Reda & Hassanine, 2002). FMRFamide-related neuropeptides (FaRPs), have been identified in the nervous system of trematodes (McVeigh et al, 2009;McVeigh, Kimber, Novozhilova, & Day, 2005;Ribeiro, El-Shehabi, & Patocka, 2005;Terenina & Gustafsson, 2003, 2014).…”

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The neuroactive substances and associated muscle system in Rhipidocotyle campanula (Digenea, Bucephalidae) from the intestine of the pike Esox lucius

Kreshchenko

Теренина

Nefedova

et al. 2020

Journal of Morphology

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We report about the muscular system and the serotonergic and FMRFamidergic components of the nervous system of the Bucephalidae trematode, Rhipidocotyle campanula, an intestinal parasite of the pike. We use immunocytochemical methods and confocal scanning laser microscopy (CLSM). The musculature is identified by histochemical staining with fluorescently labeled phalloidin. The body wall musculature of R. campanula contains three layers of muscle fibresthe outer thin circular, intermediate longitudinal and inner diagonal muscle fibres running in two opposite directions. The digestive system of R. campanula possess of a well-developed musculature: radial, longitudinal and circular muscle elements are detected in the pharynx, circular and longitudinal muscle filaments seen in the oesophagus, and longitudinal and the circular muscle fibres were found in the intestinal wall. Specific staining indicating the presence of actin muscle filaments occurs in the cirrus sac localized in the posterior body region. The frontal region of anterior attachment organ, the rhynchus, in R. campanula is represented by radial muscle fibres. The posterior part of the rhynchus comprise of radial muscles forming the organ's wall, and several strong longitudinal muscle bundles. Serotonergic and FMRFamidergic structures are detected in the central and peripheral compartments of the nervous system of R. campanula, that is, in the paired brain ganglia, the brain commissure, the longitudinal nerve cords, and connective nerve commissures. The innervations of the rhynchus, pharynx, oesophagus and distal regions of the reproductive system by the serotonergic and FMRFamidergic nervous elements are revealed. We compare our findings obtained on R. campanula with related data for other trematodes.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The neuroactive substances and associated muscle system in Rhipidocotyle campanula (Digenea, Bucephalidae) from the intestine of the pike Esox lucius

Kreshchenko

Теренина

Nefedova

et al. 2020

Journal of Morphology

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“…Bucephalidae Poche, 1907 is a major family of Digenea, with a wide host and geographic distribution (Derbel et al, 2011). These digeneans are characterized by the presence of a rhynchus, when the oral sucker is absent (Travassos et al, 1969).…”

Section: Introductionmentioning

confidence: 99%

First record of Rhipidocotyle santanaensis (Digenea) parasitizing Acestrorhynchus lacustris from Batalha River, Brazil

et al. 2016

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This paper describes the occurrence of digenetic Rhipidocotyle santanaensis Lunaschi, 2004 in Brazil. This parasite was found in the liver, heart, gonads, intestine, pyloric caeca, stomach, swim bladder and cavity of Acestrorhynchus lacustris (Lütken, 1875) from the Batalha River, São Paulo State, with higher incidence in gonads and digestive tract. The parasite specimens found in this study showed morphological characteristics very similar to specimens from Argentina, with differences only in relation to the ejaculatory duct and seminal vesicle. However, Brazilian specimens presented great morphometrical differences between specimens described in Argentina, with much higher measures. This is the first record of this metazoan parasite species in Brazil and in this host fish.Keywords: Acestrorhynchidae, Bucephalidae, morphometrical differences, freshwater. Palavras-chave: Acestrorhynchidae, Bucephalidae, diferenças morfométricas, água doce. Primeiro registro de

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Pseudobacciger cheneyae n. sp. (Digenea: Gymnophalloidea) from Weber’s chromis (Chromis weberi Fowler & Bean) (Perciformes: Pomacentridae) at Lizard Island, Great Barrier Reef, Australia

et al. 2014

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A new species of digenean, Pseudobacciger cheneyae n. sp., is described from the intestines of Weber's chromis (Chromis weberi Fowler & Bean) from off Lizard Island, Great Barrier Reef, Australia. This species differs from the three described species of Pseudobacciger Nahhas & Cable, 1964 [P. cablei Madhavi, 1975, P. harengulae Yamaguti, 1938 and P. manteri Nahhas & Cable, 1964] in combinations of the size of the suckers and the length of the caeca. The host of the present species is a perciform (Family Pomacentridae) which contrasts with previous records of the genus which are almost exclusively from clupeiform fishes. The genus Pseudobacciger is presently recognised within the family Faustulidae (Poche, 1926) but phylogenetic analyses of 28S and ITS2 rDNA show that the new species bears no relationship to species of four other faustulid genera (Antorchis Linton, 1911, Bacciger Nicoll, 1924, Paradiscogaster Yamaguti, 1934 and Trigonocryptus Martin, 1958) but that instead it is nested within the Gymnophalloidea (Odhner, 1905) as sister to the Tandanicolidae (Johnston, 1927). This result suggests that the Faustulidae is polyphyletic.

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Redescription ofRhipidocotyle galeata(Rudolphi, 1819) (Digenea, Bucephalidae), the type species ofRhipidocotyleDiesing, 1907

Cited by 3 publications

References 10 publications

The neuroactive substances and associated muscle system in Rhipidocotyle campanula (Digenea, Bucephalidae) from the intestine of the pike Esox lucius

The neuroactive substances and associated muscle system in Rhipidocotyle campanula (Digenea, Bucephalidae) from the intestine of the pike Esox lucius

First record of Rhipidocotyle santanaensis (Digenea) parasitizing Acestrorhynchus lacustris from Batalha River, Brazil

Pseudobacciger cheneyae n. sp. (Digenea: Gymnophalloidea) from Weber’s chromis (Chromis weberi Fowler & Bean) (Perciformes: Pomacentridae) at Lizard Island, Great Barrier Reef, Australia

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