The role of trematode infestation in the specifics of skeleton morphogenesis of Rana arvalis Nilsson, 1842

Вершинин, В. Л.; Neustroeva, N. S.

doi:10.1134/s0012496611050073

Cited by 8 publications

(5 citation statements)

References 3 publications

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“…The trematode Acanthostomum burminis (Bhalerao, 1926) Bhalerao, 1936 led to amely in tadpoles [124][125][126] and such process increased under the action of chemical pollution of water (pesticides) [127,128]. Additionally, Holostephanus volgensis (Sudarikov, 1962) Vojtkova, 1966 may influence the skeleton development: metacercariae of this species cause scoliosis in Rana arvalis Nilsson, 1842 tadpoles [129].…”

Section: Plos Onementioning

confidence: 99%

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: Plos Onementioning

confidence: 99%

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

et al. 2023

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“…Some species can be highly pathogenic to water frogs. For example, species of the genus Echinostoma Rudolphi, 1809 lead to renal dysfunction and metamorphic oedema in tadpoles (Fried et al 1997;Koprivinkar et al 2006;Holland 2010;Orlofske et al 2017;Billet et al 2020), Codonocephalus urnigerus (Rudolphi, 1819) causes castration of frogs (Ivanov et al 2012), and Holostephanus volgensis (Sudarikov, 1962) leads to scoliosis in tadpoles (Vershinin and Neustroeva 2011).…”

Section: Introductionmentioning

confidence: 99%

The incidence of the anomaly P syndrome in water frogs (Anura, Ranidae, Pelophylax) from the Middle Volga River (Russia)

2022

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The anomaly P is a widespread morphological anomaly, which occurs in some groups of amphibians, caused by the trematode parasite Strigea robusta (Digenea: Strigeidae). This anomaly has been previously recorded in water frogs of the genus Pelophylax and toads of the genera Bufo and Bufotes. The anomaly P includes symmetrical polydactyly cases as a mild attenuated form of the complex syndrome, which in severe cases includes strong deformations of hindlimbs and forelimbs. Strigea robusta has a complex 3-host life cycle using planorbid mollusks as the first intermediate hosts, amphibian larvae as the second intermediate hosts, and anatid birds as the definitive hosts. Herein, we described new records of the anomaly P syndrome in water frogs of the genus Pelophylax from the northeastern parts of their ranges. Symmetrical polydactyly (as a mild form of the anomaly P syndrome) was found in 30 individuals of three species of water frogs from seven localities: in 25 individuals of P. lessonae from four waterbodies, in four individuals of P. ridibundus from three waterbodies, and one individual of P. esculentus. In Gusevo pond, three individuals of P. lessonae with severe cases of the syndrome were found. This is the first record of the anomaly P in reliably identified hybridogenetic edible frogs (P. esculentus) that have been identified in nature. Additionally, we provided new data about the occurrence of the anomaly P and the prevalence of the trematode S. robusta in mollusks taken from two water bodies where anomalous water frogs were found.

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“…Trematodes play an important role in these processes. For example, multiple clusters of Holostephanus volgensis cysts during the metamorphosis of moor frog larvae cause the appearance of skeletal anomalies [15]. Cercariae of the genus Ribeiroia lead to limb malformations in tadpoles of North American amphibians [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

Chikhlyaev

Ruchin

2021

Diversity

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This is the first review of the helminth fauna of the moor frog Rana arvalis Nilsson, 1842 from the Volga river basin (Russia). The article summarizes the authors’ and literature data on the helminthic fauna of this species. The method of complete helminthological dissection was used. Thirthy-eight helminth species were recorded from three classes: Cestoda (1), Trematoda (28), and Chromadorea (9). Nine helminth species are new to the moor frog in Russia: trematodes Gorgodera varsoviensis Sinitzin, 1905, Strigea falconis Szidat, 1928, larvae, Neodiplostomum spathoides Dubois, 1937, larvae, Tylodelphys excavata (Rudolphi, 1803), larvae, Pharyngostomum cordatum (Diesing, 1850), larvae, Astiotrema monticelli Stossich, 1904, larvae and Encyclometra colubrimurorum (Rudolphi, 1819), larvae, nematodes Strongyloides spiralis Grabda-Kazubska, 1978 and Icosiella neglecta (Diesing, 1851). The cestode Spirometra erinacei (Rudolphi, 1918), larvae were observed of this amphibian species in the Volga basin for the first time. The nematodes Rhabdias bufonis, Oswaldocruzia filiformis, Cosmocerca ornata and the trematode Haplometra cylindracea form the core of the helminth fauna of the moor frog. Information on species of helminths includes systematic position, localization, areas of detection, type and scheme of life cycle, geographical distribution, and degree of specificity to host amphibians.

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The role of trematode infestation in the specifics of skeleton morphogenesis of Rana arvalis Nilsson, 1842

Cited by 8 publications

References 3 publications

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

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

The incidence of the anomaly P syndrome in water frogs (Anura, Ranidae, Pelophylax) from the Middle Volga River (Russia)

An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

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The role of trematode infestation in the specifics of skeleton morphogenesis of Rana arvalis Nilsson, 1842

Cited by 8 publications

References 3 publications

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

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

﻿The incidence of the anomaly P syndrome in water frogs (Anura, Ranidae, Pelophylax) from the Middle Volga River (Russia)

An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

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The incidence of the anomaly P syndrome in water frogs (Anura, Ranidae, Pelophylax) from the Middle Volga River (Russia)