Anuran’s habitat use drives the functional diversity of nematode parasite communities

Euclydes, Lorena; Dudczak, Amanda Caroline; Campião, Karla Magalhães

doi:10.1007/s00436-020-06994-9

Cited by 8 publications

(15 citation statements)

References 49 publications

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“…These pulmonary nematodes are among the most reported in South American amphibians [136]. Only in the Atlantic Forest, more rhabdisids than cosmocercids were found in amphibian hosts (eight vs. six taxa) [25]. The rest of the families included fewer species, which agrees with the studies in other areas.…”

Section: Systematics Of Parasitic Nematodessupporting

confidence: 85%

“…In contrast, common taxa of the Neotropical region, such as Physocephalus larvae in the Pantanal, adults of Raillietnema spp. in the Atlantic Forest, in the transition area between Cerrado and Atlantic Forest and in the Pantanal [4,23,25], have not been found in the DC or in the HC.…”

Section: Systematics Of Parasitic Nematodesmentioning

confidence: 81%

“…This is one third of the 150 nematode taxa listed for amphibians throughout South America [135]. The species richness of parasitic nematodes occurring in the Neotropical region varies among ecoregions: 21 taxa are known from the transition area between the Atlantic Forest and the Cerrado [4], 28 taxa from the Pantanal [23], 6 taxa from the Pampean region [24] and 20 taxa from the Atlantic Forest [25].…”

Section: Systematics Of Parasitic Nematodesmentioning

confidence: 99%

“…In the Neotropical region, reviews on the parasites of amphibians from specific ecoregions or biomes have been compiled during the last decade [4,[22][23][24][25]. These include, for example, studies on the digeneans of the Humid Chaco (HC), the helminths of the Pantanal, the nematodes of the Atlantic Forest, the helminths of the Pampas and the endoparasites in a transition area between the Cerrado and the Atlantic Forest.…”

Section: Introductionmentioning

confidence: 99%

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Nematodes of Amphibians from the South American Chaco: Distribution, Host Specificity and Ecological Aspects

2021

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This is the first review of the nematode parasites of amphibians from Dry Chaco (DC) and Humid Chaco (HC) ecoregions of South America, covering aspects related to their systematics, distribution, host range and ecology, including their life cycles. Of approximately 100 species of amphibians that inhabit these ecoregions, the nematode parasites of 32 species are known. The parasite species consisted of 51 taxa: 27 in HC and 18 in DC. The family Cosmocercidae alone included 18 species. Aplectana hylambatis and Cosmocerca podicipinus showed the widest geographical and host distribution. Leptodactylus bufonius and Rhinella major presented a high number of nematode parasites. The species richness of nematodes was related to the host body sizes and to the strategy to obtain prey. The mean species richness was higher in terrestrial amphibians with intermediate characteristics in the generalist–specialist spectrum in terms of diet, and in amphibians with intermediate characteristics between actively foraging and the “sit-and-wait” approach in terms of searching for prey. The patterns of similarity among amphibian species showed groups linking with their habitats. Nematodes usually have direct life cycles with the infectious form entering the host passively or actively. However, many amphibians are also involved in heteroxenous cycles that develop in the aquatic environment.

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Section: Systematics Of Parasitic Nematodessupporting

confidence: 85%

Section: Systematics Of Parasitic Nematodesmentioning

confidence: 81%

Section: Systematics Of Parasitic Nematodesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Nematodes of Amphibians from the South American Chaco: Distribution, Host Specificity and Ecological Aspects

2021

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“…Among the neotropical species of Oswaldocruzia , 13 are reported from bufonid hosts (terrestrial), 13 from leptodactylid (terrestrial) and only four in Hylidae (arboreal) (see Bursey & Goldberg, 2011; Willkens et al , 2016). Euclydes et al (2021) studied the nematode diversity of parasite communities of Atlantic species of anurans and found a positive correlation of habitat use with the variability in the parasite species composition and their functional diversity. They suggested that the higher functional diversity of parasite communities in terrestrial hosts may be related to the fact that nematodes are the main components of helminth diversity in amphibians and they are transmitted directly through contact with the soil, as pointed out by several studies (Campião et al , 2014; Hamann & González, 2015; da Silva et al , 2017; Gómez et al , 2020).…”

Section: Discussionmentioning

confidence: 99%

Do host habitat use and cospeciation matter in the evolution ofOswaldocruzia(Nematoda, Molineidae) from neotropical amphibians?

et al. 2021

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The genus Oswaldocruzia Travassos, 1917 includes approximately 90 species that are parasitic on amphibians and reptiles around the world, of which 43 occur in the neotropical region. However, molecular data supporting the taxonomic status of most species of the genus are scarce, and their phylogenetic relationships remain unknown. Using specimens of four molineid taxa (Oswaldocruzia belenensis Santos, Giese, Maldonado Jr. and Lanfredi, 2008; Oswaldocruzia chabaudi Ben Slimane & Durette-Desset, 1996, Oswaldocruzia chambrieri Ben Slimane & Durette-Desset, 1996 and Kentropyxia hylae Feitosa, Furtado, Santos and Melo, 2015) from amphibian hosts collected in different regions of Pará, Brazil, we conducted morphological studies, molecular analyses and phylogenies (maximum likelihood and Bayesian inference) using the cytochrome c oxidase subunity I (Cox1) gene. The newly generated sequences were compared with those of ten publicly available Cox1 sequences of Oswaldocruzia from Mexico. Our findings demonstrated significant differences between the sequences of amazonian specimens and sequences from specimens collected in Mexico, and we suggest that host–parasite cospeciation or habitat use might be related to molineid evolution in amphibian hosts. Additionally, this work presents new hosts and new geographical records for species of Oswaldocruzia from the neotropics.

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Patterns in parasite diversity and interactions with anurans from the Atlantic Forest

Euclydes,

Campião

2024

Parasitology International

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Anuran’s habitat use drives the functional diversity of nematode parasite communities

Cited by 8 publications

References 49 publications

Nematodes of Amphibians from the South American Chaco: Distribution, Host Specificity and Ecological Aspects

Nematodes of Amphibians from the South American Chaco: Distribution, Host Specificity and Ecological Aspects

Do host habitat use and cospeciation matter in the evolution ofOswaldocruzia(Nematoda, Molineidae) from neotropical amphibians?

Patterns in parasite diversity and interactions with anurans from the Atlantic Forest

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