Natural infection of Deroceras laeve (Mollusca: gastropoda) with metastrongylid larvae in a transmission focus of abdominal angiostrongyliasis

Maurer, Rafael Lucyk; Graeff-Teixeira, Carlos; Thomé, José Willibaldo; Chiaradia, Luís Antonio; Sugaya, Hiroko; Yoshimura, Kazuya

doi:10.1590/s0036-46652002000100009

Cited by 24 publications

(14 citation statements)

References 6 publications

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“…Debido a que no existe una estricta especifi cidad por los hospedadores intermediarios, ambos moluscos cumplen este rol en el ciclo de nemátodos Angiostrongylus cantonensis 25 y A. costarricenses que producen enfermedad en humanos. Helix aspersa 26 , D. reticulatum y D. laeve 27 se han infectado en forma natural por Angiostrongylus, cuyo primer estado larval es eliminado por las heces de roedores y los moluscos los ingieren o son infectados por penetración a través del tegumento, donde producen el tercer estado larval infectante 28 . En esta infección, los pacientes han manifestado el haber consumido caracoles crudos, previo a enfermar, con un período de incubación que fl uctúa entre uno y 25 días 29 .…”

Section: Discussionunclassified

Cryptosporidium parvum en gastrópodos silvestres como bioindicadores de contaminación fecal en ecosistemas terrestres

Stanley

et al. 2010

Rev. chil. infectol.

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IntroducciónL a criptosporidiosis es una infección por protozoos coccidios que afecta a los seres humanos, los animales domésticos y otros vertebrados. En los animales, especialmente en los terneros, previo a su destete, provoca una grave enteritis que ocasiona importante morbilidad, mortalidad y pérdidas económi-cas. En los seres humanos, surgió como una importante infección gastrointestinal en la segunda mitad de la década de los años '80, junto con la aparición del SIDA. El protozoo da lugar a una infección aguda autolimitada del aparato digestivo en humanos inmunocompetentes, y una enfermedad crónica, de riesgo vital en pacientes inmunocomprometidos. En nuestra especie, varias son las vías de transmisión posibles, incluida la de persona a persona (antroponótica y la infección zoonótica), a través de la contaminación fecal del agua y los alimentos. Frecuentemente, se desconoce la fuente específi ca de ooquistes de Cryptosporidium implicados en la infección o en la contaminación de alimentos y agua, por carencia de investigación epidemiológica en nuestro país.En los últimos años, el desarrollo de herramientas moleculares ha permitido detectar y diferenciar los coccidios Cryptosporidium en los niveles de especie, genotipo y subgenotipos. A la fecha, en Chile sólo se ha identifi cado C. parvum y C. hominis en humanos y C. parvum en humanos y otros vertebrados 1 . En personas inmunocomprometidas e inmunocompetentes de Perú, Cryptosporidium parvum en gastrópodos silvestres como bioindicadores de contaminación fecal en ecosistemas terrestres Patricia Neira O., Nelson Muñoz S., Bárbara Stanley V., Marianne Gosh C. y M. José Rosales L. Cryptosporidium parvum in wild gastropods as bioindicators of fecal contamination in terrestrial ecosystemsCryptosporidium sp oocysts were detected in snails (Helix aspersa Müller) and slug (Deroceras reticulatum Müller) from the Valparaíso Region, Chile. Snails and slug were collected from public squares and private domestic gardens. Cryptosporidium sp oocysts were recovered from faeces of both species. Ziehl Neelsen stain, nested PCR, and sequencing analysis demonstrated a profi le similar to that described for genotype C or 2 of the parasite. These results demonstrate that snails and slug could act as a reservoir and mechanic vector of C. parvum infection for humans and animals. Moreover, gastropods could serve as bioindicators of fecal soil contamination.

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Section: Discussionunclassified

Cryptosporidium parvum en gastrópodos silvestres como bioindicadores de contaminación fecal en ecosistemas terrestres

Stanley

et al. 2010

Rev. chil. infectol.

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“…However, it is not clear that all are definitive rather than accidental hosts. Intermediate hosts . Various species of Veronicellidae (Caballero et al ., 1991; Anderson, 2000; Maldonado et al ., 2012), including Sarasinula marginata , experimentally (Mendonça et al ., 2008); Limax maximus Linnaeus, Limacus flavus (Linnaeus) and Bradybaena similaris (Rang) (Graeff Teixeira et al ., 1993); Meghimatium pictum (Stoliczka) (Rodriguez et al ., 2018); possibly Deroceras laeve (Müller) (Maurer et al ., 2002); various Biomphalaria species experimentally (Lima et al ., 1992; Guerino et al ., 2017); Lissachatina fulica (Bowdich) experimentally (Carvalho et al ., 2003); probably many others. Known range . Southern USA to northern Argentina, including Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama, Mexico, Brazil, Ecuador, Colombia, Peru, Venezuela and islands of the Caribbean (Núñez & Mirambell, 1981; Santos, 1985; Jeandel et al ., 1988; Caballero et al ., 1991; Incani et al ., 2007; Maldonado et al ., 2012; Dard et al ., 2018).…”

Section: Explanatory Informationmentioning

confidence: 99%

Annotated catalogue of species of Angiostrongylus and the related genera Gallegostrongylus, Rodentocaulus and Stefanskostrongylus (Nematoda: Metastrongyloidea, Angiostrongylidae)

Cowie

2019

J. Helminthol.

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This catalogue is concerned with the closely related angiostrongylid generaAngiostrongylus,Gallegostrongylus,RodentocaulusandStefanskostrongylus. Three species,Angiostrongylus cantonensis,A. costaricensisandA. vasorum, have attracted most attention because of their importance in human and domestic animal disease. Many of the remaining species are poorly known and the number of valid taxa is unclear. The catalogue lists all nomenclaturally available and unavailable genus-group and species-group names that have been applied to the above genera and the species included in them, indicating their current nomenclatural status and providing the rigorous nomenclatural basis for future work. The catalogue lists 14 published and nomenclaturally available genus-group names, with the above four treated as valid, the other ten being junior synonyms. There are 42 published species-group names: 36 are valid, two are junior synonyms, four are nomenclaturally unavailable. One additional species, described inChabaudistrongylus(synonym ofAngiostrongylus), is listed asincertae sedisin Angiostrongylidae. Also listed are two unpublished collection names. The catalogue provides bibliographic details for all published names, and for available names provides locations of type material, details of type localities, geographic distributions and details of type and other hosts, both definitive and intermediate, to the extent known. The catalogue is a work of nomenclature, not a revisionary taxonomic work. No new names or new combinations are proposed. The apparently new family-group synonymy of Cardionematinae with Angiostrongylidae is introduced, as are four genus-group synonymies, three withAngiostrongylusand one withStefaskostrongylus.

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“…Since the discovery of the role of snails in the development of Muellerius capillaris by Hobmaier and Hobmaier in 1929 [ 3 ], several studies have been implemented in order to identify intermediate hosts and to describe the infestation pathways. Life cycle of Angiostrongylidae has been largely studied, because of its involvement in a human infestation [ 4 - 6 ]. The intermediate hosts of Protostrongylidae of domestic ruminants, parasites involved in diseases affecting pulmonary tract of livestock and responsible for economic losses [ 7 ], have also been well studied [ 8 - 12 ].…”

Section: Introductionmentioning

confidence: 99%

Intermediate hosts of Protostrongylus pulmonalis (Frölich, 1802) and P. oryctolagi Baboš, 1955 under natural conditions in France

et al. 2015

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BackgroundProtostrongylus oryctolagi and P. pulmonalis are causative agents of pulmonary protostrongyliasis in Lagomorphs in France. These nematodes need usually one intermediate host for its life cycle, a terrestrial snail. However, some studies, mainly in experimental conditions, have identified the species of snails acting as intermediate hosts.MethodsIn total, 3315 terrestrial snails and 307 slugs were collected in the field in South-Eastern France and analyzed to detect the presence of parasites. Identification of nematode parasites and snails were performed according to morphological and molecular approaches (D2 domain of the 28S rDNA for parasites; 18S and ITS-1 rDNA, COI and 16S mtDNA for snails).ResultsEighteen snails were found positive for Protostrongylids larvae. Haplotypes of the larvae corresponding to sequences of P. oryctolagi and P. pulmonalis were detected. Morphological identification of molluscs based on shell characters revealed 4 different morphotypes, and molecular results confirm the membership of these gastropods to the Hygromiidae and revealed 4 different species: Candidula gigaxii, 2 species of Cernuella sp. and Xeropicta derbentina. All infested snails were collected in wine cultures.ConclusionThis study displays the first description of intermediate hosts of P. oryctolagi and the first report of X. derbentina as natural intermediate host of P. pulmonalis.

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Natural infection of Deroceras laeve (Mollusca: gastropoda) with metastrongylid larvae in a transmission focus of abdominal angiostrongyliasis

Cited by 24 publications

References 6 publications

Cryptosporidium parvum en gastrópodos silvestres como bioindicadores de contaminación fecal en ecosistemas terrestres

Cryptosporidium parvum en gastrópodos silvestres como bioindicadores de contaminación fecal en ecosistemas terrestres

Annotated catalogue of species of Angiostrongylus and the related genera Gallegostrongylus, Rodentocaulus and Stefanskostrongylus (Nematoda: Metastrongyloidea, Angiostrongylidae)

Intermediate hosts of Protostrongylus pulmonalis (Frölich, 1802) and P. oryctolagi Baboš, 1955 under natural conditions in France

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