Similar yet different: co-analysis of the genetic diversity and structure of an invasive nematode parasite and its invasive mammalian host

Osten‐Sacken, Natalia; Heddergott, Mike; Schleimer, Anna; Anheyer-Behmenburg, H.; Runge, Martin; Horsburgh, Gavin J.; Camp, Lauren E.; Nadler, Steven A.; Frantz, Alain C.

doi:10.1016/j.ijpara.2017.08.013

Cited by 15 publications

(28 citation statements)

References 73 publications

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“…As a result of joint translocation with raccoons, B. procyonis roundworms have increased their geographic range (5). Raccoons are common in Germany and Luxembourg (Figure, panel A).…”

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Geographic Distribution of Raccoon Roundworm, Baylisascaris procyonis, Germany and Luxembourg

Heddergott¹,

Steinbach²,

Schwarz³

et al. 2020

Emerg. Infect. Dis.

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“…As a result of joint translocation with raccoons, B. procyonis roundworms have increased their geographic range (5). Raccoons are common in Germany and Luxembourg (Figure, panel A).…”

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confidence: 99%

“…B) Population genetic structure of raccoons in Germany and Luxembourg. Reanalysis of the dataset by (5) but including 26 raccoons from Luxembourg (genotyped following[5]) and omitting animals from the city of Kassel (no distinct introduction[6]). The genetic data were analyzed by using the clustering of individuals algorithm implemented in BAPS v.6.0 (7).…”

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confidence: 99%

Geographic Distribution of Raccoon Roundworm, Baylisascaris procyonis, Germany and Luxembourg

Heddergott¹,

Steinbach²,

Schwarz³

et al. 2020

Emerg. Infect. Dis.

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“…The population genetics of Baylisascaris procyonis infecting raccoons ( Procyon lotor ) has been studied using both ribosomal and microsatellite loci in its native range [ 140 , 141 ], with microsatellite loci revealing genetic differentiation across the Grand River (Michigan, USA). Among invasive B. procyonis populations in Germany, two well-differentiated clades have been detected by both ITS and mitochondrial sequence analysis, suggesting two independent introductions of B. procyonis into Germany [ 142 ]. Both German B. procyonis clades showed very low genetic diversity, likely the result of population bottlenecks (see Table 1 ) in the founding populations [ 142 ].…”

Section: Influence Of Anthropogenic Disruption On Parasitic Nematode mentioning

confidence: 99%

“…Among invasive B. procyonis populations in Germany, two well-differentiated clades have been detected by both ITS and mitochondrial sequence analysis, suggesting two independent introductions of B. procyonis into Germany [ 142 ]. Both German B. procyonis clades showed very low genetic diversity, likely the result of population bottlenecks (see Table 1 ) in the founding populations [ 142 ]. Low genetic diversity was seen also in Rhabdias pseudosphaerocephala in invasive cane toads ( Bufo marinus ) in Australia [ 143 ], and in Passalurus ambiguus in invasive rabbits ( Oryctolagus cuniculus ) in China [ 144 ], and is typical due to founder effects in these introduced species [ 145 ].…”

Section: Influence Of Anthropogenic Disruption On Parasitic Nematode mentioning

confidence: 99%

The population genetics of parasitic nematodes of wild animals

Cole

Viney

2018

Parasites Vectors

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Parasitic nematodes are highly diverse and common, infecting virtually all animal species, and the importance of their roles in natural ecosystems is increasingly becoming apparent. How genes flow within and among populations of these parasites - their population genetics - has profound implications for the epidemiology of host infection and disease, and for the response of parasite populations to selection pressures. The population genetics of nematode parasites of wild animals may have consequences for host conservation, or influence the risk of zoonotic disease. Host movement has long been recognised as an important determinant of parasitic nematode population genetic structure, and recent research has also highlighted the importance of nematode life histories, environmental conditions, and other aspects of host ecology. Commonly, factors influencing parasitic nematode population genetics have been studied in isolation, such that an integrated view of the drivers of population genetic structure of parasitic nematodes is still lacking. Here, we seek to provide a comprehensive, broad, and integrative picture of these factors in parasitic nematodes of wild animals that will be a useful resource for investigators studying non-model parasitic nematodes in natural ecosystems. Increasingly, new methods of analysing the population genetics of nematodes are becoming available, and we consider the opportunities that these afford in resolving hitherto inaccessible questions of the population genetics of these important animals.

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“…Raccoons originating from North America have been imported into Europe (i.e., Germany, Russia and Poland) and Japan many decades ago (Bauer, 2013; Mackenstedt et al, 2015). In Germany, it is believed that several independent introductions of the raccoon occurred, which then widespread throughout the country (Fischer et al, 2015; Osten-Sacken et al, 2018), representing the largest population outside America with an impressive hunting statistic of about 172,000 individuals for the season 2017/2018 (Anonymus, 2019). It has been estimated that up to 700 raccoons found per square mile live in the U.S. (https://study.com/academy/answer/how-many-raccoons-are-there-in-the-world.html).…”

Section: Soil-transmitted Nematode Zoonosesmentioning

confidence: 99%

Zoonotic nematodes of wild carnivores

Otranto

Deplazes

2019

International Journal for Parasitology: Parasites and Wildlife

101

117

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For a long time, wildlife carnivores have been disregarded for their potential in transmitting zoonotic nematodes. However, human activities and politics (e.g., fragmentation of the environment, land use, recycling in urban settings) have consistently favoured the encroachment of urban areas upon wild environments, ultimately causing alteration of many ecosystems with changes in the composition of the wild fauna and destruction of boundaries between domestic and wild environments. Therefore, the exchange of parasites from wild to domestic carnivores and vice versa have enhanced the public health relevance of wild carnivores and their potential impact in the epidemiology of many zoonotic parasitic diseases. The risk of transmission of zoonotic nematodes from wild carnivores to humans via food, water and soil (e.g., genera Ancylostoma , Baylisascaris , Capillaria , Uncinaria , Strongyloides , Toxocara , Trichinella ) or arthropod vectors (e.g., genera Dirofilaria spp., Onchocerca spp., Thelazia spp.) and the emergence, re-emergence or the decreasing trend of selected infections is herein discussed. In addition, the reasons for limited scientific information about some parasites of zoonotic concern have been examined. A correct compromise between conservation of wild carnivores and risk of introduction and spreading of parasites of public health concern is discussed in order to adequately manage the risk of zoonotic nematodes of wild carnivores in line with the ‘One Health’ approach.

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Similar yet different: co-analysis of the genetic diversity and structure of an invasive nematode parasite and its invasive mammalian host

Cited by 15 publications

References 73 publications

Geographic Distribution of Raccoon Roundworm, Baylisascaris procyonis, Germany and Luxembourg

Geographic Distribution of Raccoon Roundworm, Baylisascaris procyonis, Germany and Luxembourg

The population genetics of parasitic nematodes of wild animals

Zoonotic nematodes of wild carnivores

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