Species of Angiostrongylus (Nematoda: Metastrongyloidea) in wildlife: A review

Spratt, David M.

doi:10.1016/j.ijppaw.2015.02.006

Cited by 119 publications

(191 citation statements)

References 97 publications

(115 reference statements)

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“…We only briefly summarize some key traits below. For a more extensive discussion of the life histories of these three species, we refer readers to an excellent review by Spratt (2015). …”

Section: Discussionmentioning

confidence: 99%

“…Despite these limitations, some results confirm past morphological‐based surveys and some interesting patterns have also emerged. For example, although originally described from Malaysia, there are morphological‐based reports of A. malaysiensis in Thailand (Spratt, 2015). In particular, a mixed infection of A. cantonensis and A. malaysiensis has been reported from rats in Bangkok, Thailand (Bhaibulaya & Techasoponmani, 1972).…”

Section: Discussionmentioning

confidence: 99%

“…Eosinophilic meningitis has only been attributed to A. cantonensis (Barratt et al., 2016), and Spratt (2015) indicates there has not been unequivocal evidence to show that A. mackerrasae or A. malaysiensis are zoonotics. However, as discussed above, morphological identifications of these species are difficult due to their similarities.…”

Section: Discussionmentioning

confidence: 99%

“…Our study focuses on these three species due to their morphological and life‐history similarities (Spratt, 2015; details given in the Discussion). Our results reveal three important complications that researchers will need to be aware of, or will need to resolve, prior to conducting future molecular evolutionary studies on A. cantonensis .…”

Section: Introductionmentioning

confidence: 99%

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Hurdles in the evolutionary epidemiology of Angiostrongylus cantonensis: Pseudogenes, incongruence between taxonomy and DNA sequence variants, and cryptic lineages

Dusitsittipon

Criscione

Morand

et al. 2018

Evolutionary Applications

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Angiostrongylus cantonensis, the rat lungworm, is a zoonotic pathogen that is one of the leading causes of eosinophilic meningitis worldwide. This parasite is regarded as an emerging pathogen with a global range expansion out of southeastern Asia post‐WWII. To date, molecular systematic/phylogeographic studies on A. cantonensis have mainly used two mitochondrial (mtDNA) markers, cytochrome c oxidase 1 (CO1) and cytochrome b (CYTB), where the focus has largely been descriptive in terms of reporting local patterns of haplotype variants. In order to look for more global evolutionary patterns, we herein provide a collective phylogenetic assessment using the six available whole mtDNA genome samples that have been tagged as A. cantonensis, A. malaysiensis, or A. mackerrasae along with all other GenBank CO1 and CYTB partial sequences that carry these species identifiers. The results reveal three important complications that researchers will need to be aware of, or will need to resolve, prior to conducting future molecular evolutionary studies on A. cantonensis. These three problems are (i) incongruence between taxonomic identifications and mtDNA variants (haplotypes or whole mtDNA genome samples), (ii) the presence of a CYTB mtDNA pseudogene, and (iii) the need to verify A. mackerrasae as a species along with other possible cryptic lineages, of which there is suggestive evidence (i.e., A. cantonensis could be a species complex). We provided a discussion of how these complications are hurdles to our understanding of the global epidemiology of angiostrongyliasis. We call for future studies to be more explicit in morphological traits used for identifications (e.g., provide measurements). Moreover, it will be necessary to repeat prior morphological and life‐history studies while simultaneously using sequence data in order to assess possible associations between critical epidemiological data (e.g., biogeography, virulence/pathology, host species use) and specific lineages.

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“…We only briefly summarize some key traits below. For a more extensive discussion of the life histories of these three species, we refer readers to an excellent review by Spratt (2015). …”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Hurdles in the evolutionary epidemiology of Angiostrongylus cantonensis: Pseudogenes, incongruence between taxonomy and DNA sequence variants, and cryptic lineages

Dusitsittipon

Criscione

Morand

et al. 2018

Evolutionary Applications

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“…This superfamily includes the Angiostrongylidae family, which contains the genus Angiostrongylus, with nematodes found mostly in the pulmonary artery, its ramifications, and the right ventricle of carnivores (BOWMAN, 2010;SPRATT, 2015). A parasitological review of wild carnivores in Brazil revealed Angiostrongylus in crab-eating fox (C. thous) (VIEIRA et al, 2008); however, the information about the morphological changes caused by these parasites is scarce.…”

mentioning

confidence: 99%

Anatomo-pathological aspects of parasitism by nematodes of the superfamily Metastrongyloidea in wild crab-eating fox (Cerdocyon thous) in Midwestern Brazil

et al. 2017

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Nematodes of the superfamily Metastrongyloidea affect the respiratory, cardiovascular, and nervous systems of domestic carnivores and are uncommonly detected in wild animals. This report describes the lesions associated with pulmonary parasitism by nematodes of the superfamily Metastrongyloidea in a wild crab-eating fox ( Cerdocyon thous ) in the Federal District, Brazil. Grossly, there was pulmonary hyperemia, edema, and emphysema. Microscopically, there was granulomatous arteritis associated with intravascular metastrongylid. The anatomical location, characteristic lesion, and histological features of the parasite suggested that the nematode involved in this case is Angiostrongylus vasorum . This worm is frequently reported parasitizing pulmonary arteries of domestic canids but is uncommonly described in wild canids in Midwestern Brazil.

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