Cryptic speciation among Tylodelphys spp.: the major helminth pathogens of fish and amphibians

Heneberg, Petr; Sitko, Jiljí

doi:10.1007/s00436-021-07082-2

Cited by 8 publications

(8 citation statements)

References 38 publications

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“…corneus allowed us to identify cercariae as Tylodelphys excavata (Rudolphi, 1803). However, Heneberg and Sitko [ 63 ] identified a previously unknown species complex in T . excavata sensu lato and redescribed cryptic species T .…”

Section: Resultsmentioning

confidence: 99%

“…circibuteonis (MG972696), however which is poorly supported. Heneberg and Sitko [ 63 ] had shown the similarity of ITS2 sequences of T . excavata (KC685364) from Pl .…”

Section: Resultsmentioning

confidence: 99%

“…corneus belong to Tylodelphys circibuteonis . Recent research of phylogenetic relationships found uncovered cryptic speciation in the genus [ 63 ]. The life cycle of closely related species Tylodelphys excavata includes amphibians as the second intermediate hosts [ 63 ].…”

Section: Discussionmentioning

confidence: 99%

“…Recent research of phylogenetic relationships found uncovered cryptic speciation in the genus [ 63 ]. The life cycle of closely related species Tylodelphys excavata includes amphibians as the second intermediate hosts [ 63 ]. We detected Tylodelphys circibuteonis in mollusks by molecular analysis, but helminthological survey made it possible to detect Tylodelphys excavata sensu lato by morphological traits, and therefore we assumed that our individuals belong to Tylodelphys circibuteonis .…”

Section: Discussionmentioning

confidence: 99%

“…The helminth can infect both larvae and adult amphibians. Tylodelphys parasitizes in the spinal canal of frogs at the stage of mesocercariae and does not form cysts retaining the ability to move [ 63 ].…”

Section: Discussionmentioning

confidence: 99%

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Diversity of trematodes from the amphibian anomaly P hotspot: Role of planorbid snails

et al. 2023

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Trematode infection of the second intermediate hosts can lead to changes in their fitness and, as a result, a change in the invasion rate of animal communities. It is especially pronounced during the invasion of parasite species that reduce activity due to the manipulation of hosts through the changes of their morphology and physiology. One of these cases is an anomaly P syndrome hotspot found in some populations of water frogs and toads in Europe caused by the trematode Strigea robusta metacercariae. The occurrence of pathogen and their participation in ecosystems are intrigues questions in the anomaly P phenomenon, as well as the role of planorbid snails that serve as the first intermediate hosts for many trematode species. Herein, we focused on trematodes spectra from planorbid snails and amphibians from the anomaly P hosts with the aim to undetected interactions between the pathways of parasites. Emerging cercariae of 6802 planorbid snails of dominant species (Planorbarius corneus, Planorbis planorbis, and Anisus spp.) were detected by both morphological and molecular methods in seven waterbodies in Privolzhskaya Lesostep Nature Reserve (Russia). A total of 95 sequences of 18 species were received, and 48 sequences were unique and did not present in any genetic databases. The 18 species of trematodes from snails and 14 species of trematodes from amphibian hosts (Pelophylax ridibundus; Ranidae; Anura) were detected. Three species (Echinostoma nasincovae, Tylodelphys circibuteonis and Australapatemon burti) was new for the trematode fauna of the Middle Volga River region and Russia as a whole. Eleven species of parasitic flatworms have amphibians in their life cycles and nine species used amphibians as metacercariae hosts: Echinostoma nasincovae, E. miyagawai, Echinoparyphium recurvatum, Tylodelphys circibuteonis, Neodiplostomum spathula, Paralepoderma cloacicola, Macrodera longicollis, Strigea robusta, and Strigea strigis. The occurrence of trematode species from planorbid mollusks and frogs were compared.

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Section: Resultsmentioning

confidence: 99%

“…circibuteonis (MG972696), however which is poorly supported. Heneberg and Sitko [ 63 ] had shown the similarity of ITS2 sequences of T . excavata (KC685364) from Pl .…”

Section: Resultsmentioning

confidence: 99%