Helminth communities of two green frogs (<i>Rana perezi</i>and<i>Rana saharica</i>) from both shores of the Alboran Sea

Navarro, Pilar Chías; Serrá, Juan Antonio Monsoriu

doi:10.1051/parasite/2006134291

Cited by 14 publications

(15 citation statements)

References 23 publications

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“…A much shorter "aquatic" period "during the development of R. amu rensis causes a relatively lower infestation of this spe cies with trematodess, the cercariae of which invade their hosts in water, but more frogs are infected with geohelminths, the larvae of which penetrate into them from soil. A similar situation (differences in the indices of infestation though sharing a similar species compo sition of helminths) was observed in other two syntopic species of frogs (Navarro and Lluch, 2006). When liv ing at the same territory, the highest abundance and diversity of helminths is, as a rule, observed in a larger frog species, which is more confined to water (Muz zall, 1991).…”

Section: Resultsmentioning

confidence: 58%

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Zhigileva

Kirina

2015

Contemp. Probl. Ecol.

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The composition of helminths and infestation indices of two frog species of living in Western Sibe ria (Rana arvalis (n = 1082) and Rana amurensis (n = 33)) have been studied. Nine helminth species, includ ing four nematodes and five trematodes, have been found. The following species were dominant and infected both frog species: nematodes Rhabdias bufonis, Oswaldocruzia filiformis, and Cosmocerca ornata and trema todes Haplometra cylindracea. The moor frog also hosted Dolichosaccus rastellus, Opisthioglyphe ranae, Phar ingostomum cordatum (larvae), Parastrigea robusta (larvae), and Neyraplectana schneideri. The moor frog was characterized by higher species richness and diversity of helminths than the Siberian tree frog. The overall rates of helminth infestation have been the same in the moor frog and the Siberian tree frog. The invasion extensity was 85-100%; the index of abundance was 5.2-27.5. Differences in infestation rates of certain spe cies by helminths were due to the biological peculiarities of the frog species.

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Section: Resultsmentioning

confidence: 58%

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Zhigileva

Kirina

2015

Contemp. Probl. Ecol.

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“…Our results confirm that I. neglecta has a wide range, from the Iberian Peninsula to Central Asia (Kyrgyzstan). According to the literature survey, the species was also detected in countries that were not involved in this study, specifically France (Desportes, 1941; Lefoulon et al, 2015), including Corsica (Barta et al, 1989), Italy (Comas et al, 2014), Spain (Jiménez et al, 2001; Navarro & Lluch, 2006), United Kingdom [ Icosiella neglecta (Diesing, 1851) in GBIF Secretariat 2019], Poland (Okulewicz et al, 2014; Starzynska, 1958), the European part of Russia (Chikhlyaev & Ruchin, 2014, 2021), and Moldova (Gherasim, 2020) (Figure 1). Anderson (2000) reported I. neglecta from North Africa as well but did not specify any localities.…”

Section: Discussionmentioning

confidence: 72%

Weak population‐genetic structure of a widely distributed nematode parasite of frogs in the western Palearctic

Mikulíček

Mešková

Cyprich

et al. 2021

J Zool Syst Evol Res

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The genetic structure of parasite populations is affected by various factors such as host–parasite interactions, life‐history strategies, and the evolutionary histories of both interacting organisms. In this study, we investigated the distribution, prevalence, and population‐genetic structure of Icosiella neglecta (Spirurida, Onchocercidae), a nematode parasite found in Ranidae frogs. We reported this parasite from eight species of water frogs (genus Pelophylax) in Europe, the Middle East, and Central Asia. Its prevalence across investigated localities varied from 3.03% to 95.83%. Based on nucleotide variation in a 28S ribosomal RNA gene, all investigated I. neglecta sequences formed a well‐supported phylogenetic clade and were placed in the sister position to the genus Ochoterenella. Despite the substantial genetic variability in a mitochondrial cytochrome c oxidase subunit I (COI) fragment (33 unique haplotypes recognized among 91 sequences), we found only weak population‐genetic structure across the study area. There was no obvious association of COI haplotypes with geography, except haplotypes from eastern Turkey, Lebanon, and Iraq which formed a homogeneous, albeit only weakly differentiated group. The historical demographic analyses suggest that the species underwent a sudden and relatively recent population expansion. According to our results, we assume that the population‐genetic structure of I. neglecta might be linked to the evolutionary history and dispersal of its dipteran vectors than water frog hosts.

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“…Experimental infections of G. truncatula with this digenean are difficult to do because frogs are often poly-infected by several digenean species (Navarro and Lluch 2006;Düşen and Öz 2013;Okulewicz et al 2014), which strongly complicates the collection of H. cylindracea eggs. For this reason, snails naturally infected with H. cylindracea were used for this study.…”

Section: Natural Infections Of Snails With H Cylindraceamentioning

confidence: 99%

Natural light influences cercarial emergence of Calicophoron daubneyi but not that of Haplometra cylindracea from temperature-challenged Galba truncatula

et al. 2014

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Laboratory investigations on Galba truncatula experimentally infected with Calicophoron daubneyi were carried out to study the influence of natural light and sky nebulosity on cercarial emergence in snails subjected every week outdoors to a thermal shock (a mean of 12 °C for 3 h) during the patent period. The same study was also performed in G. truncatula naturally infected with Haplometra cylindracea according to the same protocol. Compared to infected controls always reared indoors at 20 °C, the number of cercariae emerging from snails subjected outdoors to a thermal shock was significantly greater, whatever parasite species. Natural light had an effect on snails releasing C. daubneyi cercariae after the thermal shock because their numbers were significantly higher between 601 and 1,200 lx and for the highest nebulosity values (7-8 octas). In contrast, the type of light used during thermal shock did not influence cercarial emergence of H. cylindracea because the numbers of cercariae per shedding snail noted under natural light or a 3,000-lx artificial light did not significantly differ from each other. Most snails releasing H. cylindracea cercariae were significantly more numerous for light levels higher than 3,000 lx. As for Fasciola hepatica cercariae, natural light had a significant influence on cercarial emergence of C. daubneyi, and this behavioural particularity for cercariae of both digeneans might be due to the fact that both species develop in the same ruminants and the same snail host.

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Helminth communities of two green frogs (Rana pereziandRana saharica) from both shores of the Alboran Sea

Cited by 14 publications

References 23 publications

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Weak population‐genetic structure of a widely distributed nematode parasite of frogs in the western Palearctic

Natural light influences cercarial emergence of Calicophoron daubneyi but not that of Haplometra cylindracea from temperature-challenged Galba truncatula

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