Digestive tract nematode infections in non-native invasive American mink with the first molecular identification of Molineus patens

Kołodziej‐Sobocińska, Marta; Tokarska, Małgorzata; Zalewska, Hanna; Popiołek, Marcin; Zalewski, Andrzej

doi:10.1016/j.ijppaw.2020.12.006

Cited by 5 publications

(6 citation statements)

References 43 publications

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“…Kołodziej-Sobocinska et al reported no significant genetic divergence of 18S rRNA genes was observed in A . putorii collected from different geographical distributions and various hosts [ 20 ]. However, Tamaru et al found significant nucleotide variation of 18S rRNA genes among A .…”

Section: Resultsmentioning

confidence: 99%

“…Tamaru et al observed significant nucleotide variation in the 18S rRNA sequence among specimens of A. putorii collected from various wild carnivores in Japan [ 19 ]. In contrast, Kołodziej-Sobocinska et al did not observe significant genetic divergence in it among A. putorii worms collected from either same or different hosts at distant geographical localizations [ 20 ]. Hence, the two aims of the current study were to (1) analyze the genetic divergence in the 18S rRNA sequence of A. putorii from different hosts and locations and (2) verify the status of Aonchotheca by comparing mt coding regions and analyzing phylogenetic relationships within the family Capillariidae.…”

Section: Introductionmentioning

confidence: 99%

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Aonchotheca (Nematoda: Capillariidae) is validated as a separated genus from Capillaria by both mitochondrial and nuclear ribosomal DNA

et al. 2022

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Background The family Capillariidae is a group of thread-like nematodes of 27 genera and over 300 species that infect a great variety of hosts including humans. Among these, some taxa such as the genus Aonchotheca have remained controversial regarding their systematic status for decades. The aim of the current study was to verify Aonchotheca’s systemic status and to further determine whether it is a distinct genus from Capillaria using molecular and phylogenetic analyses. Results We sequenced the mitochondrial (mt) genome and nuclear small subunit (18S) rRNA gene of Aonchotheca putorii, a representative species of the genus, and investigated its systematic status in Trichinellida using maximum likelihood and Bayesian inference. The differences in amino acid sequences of 13 protein-coding genes were 12.69–67.35% among Aonchotheca, Capillaria, Eucoleus, and Pseudocapillaria with cox1 (12.69%) and atp8 (67.35%) as the most and the least conserved gene, respectively, and the difference of two mt rRNAs was 18.61–34.15%. Phylogenetic analyses of the complete mt genome and 18S rRNAs unequivocally showed that Aonchotheca was a distinct genus from Capillaria. Conclusions Large difference exists among Aonchotheca, Capillaria, Eucoleus, and Pseudocapillarias. Aonchotheca putorii is the first species in the genus Aonchotheca for which a complete mitogenome has been sequenced. These data are useful for phylogenetics, systematics and the evolution of Capillariidae. Graphical Abstract

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Aonchotheca (Nematoda: Capillariidae) is validated as a separated genus from Capillaria by both mitochondrial and nuclear ribosomal DNA

et al. 2022

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“…A bit north, the parasite was noticed in wild mink in Lithuania (Naugaraitė et al 2014 ). More recently, A. putorii was described as a dominating gastrointestinal nematode species in non-native wild American mink, which had been examined from 2005 to 2017 in Poland (Kołodziej-Sobocińska et al 2021 ). However, it should be also taken into consideration that eggs of similar shape may be found in a host infected with Eucoleus aerophila (previously Capillaria aerophila ) .…”

Section: Discussionmentioning

confidence: 99%

Identification of intestinal parasites in wild American mink (Neovison vison) from Biebrza and Narew national parks (Poland)

Klockiewicz

Jakubowski²,

Karabowicz

et al. 2023

Parasitol Res

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American mink (Neovison vison) is an invasive species in the sylvatic environment of Poland. Mink are exposed to different parasite infections as their preys serve as intermediate and/or paratenic hosts. The study aimed to discriminate the pattern of intestinal parasite infections in mink inhabiting Biebrza (BNP) and Narew (NNP) national parks. Gastrointestinal tract examinations revealed Coccidia, Echinostomatidae, Taenidae, and Capillariidae parasites. There was no significant difference in the parasite burden of mink, but patterns of infections varied between both localizations. Coccidia were found in 3.8% of BNP vs. 6.7% of NNP mink. Fluke prevalence was significantly higher in NNP 27.5% compared to 7.7% in BNP mink. Tapeworms were only found in 3.4% of NNP mink. Significantly more Aonchotheca eggs were found in BNP 34.6% vs. 11.4% in NNP mink. The intensity of coccidiosis and aonchothecosis was low in both parks. Fluke intensity varied between low to moderate (ranging from 1 to 16) in BNP and low to massive (ranging from 1 to 117) in NNP mink. Coinfections of various parasite species were noted in both areas. Morphological and DNA analysis revealed that flukes belonged to Isthiomorpha melis and tapeworms to Versteria mustelae. It was the first isolation of V. mustelae in mink of those localizations. In conclusion, our study showed that mink indwelling Biebrza and Narew national parks are moderately infested with parasites. Results suggest that mink play an important role as a reservoir for parasites endangering endemic mustelids, becoming also a potential risk factor in case of accidental transmissions to farm mink. That is why, more strict biosecurity measures are required to protect farm mink.

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“…However, these nematodes are rarely studied, and our knowledge of the biology of A. putorii and M. patens and their impact on host species is still limited, despite their potentially important effects on mustelids and other carnivores. Most A. putorii individuals concentrate in the stomach, a relatively small part of the gastrointestinal tract, whereas M. patens is distributed along the intestines ( Kołodziej-Sobocińska et al, 2021 ). Furthermore, in some cases, infection with A. putorii was very high (e.g.…”

Section: Discussionmentioning

confidence: 99%

“…Ivonin and Ivonina, 2019 ; Kontrimavichus, 1969 ; Kretschmar, 2016 ; Martínez-Rondán et al, 2017 ). Our previous analyses have shown that these nematodes heavily infect the introduced American mink ( Neovison vison ) in Europe, and the severity of infection results in reduced body condition of the mink, probably affecting its population sizes ( Brzeziński et al, 2019 ; Kołodziej-Sobocińska et al, 2018 , 2021 ). This suggests that these nematodes (especially A. putorii ) may have a negative impact on mustelids in general.…”

Section: Introductionmentioning

confidence: 99%

A tale of two nematodes: Climate mediates mustelid infection by nematodes across the geographical range

Zalewski

Kołodziej‐Sobocińska

Bartoń

2022

International Journal for Parasitology: Parasites and Wildlife

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Digestive tract nematode infections in non-native invasive American mink with the first molecular identification of Molineus patens

Cited by 5 publications

References 43 publications

Aonchotheca (Nematoda: Capillariidae) is validated as a separated genus from Capillaria by both mitochondrial and nuclear ribosomal DNA

Aonchotheca (Nematoda: Capillariidae) is validated as a separated genus from Capillaria by both mitochondrial and nuclear ribosomal DNA

Identification of intestinal parasites in wild American mink (Neovison vison) from Biebrza and Narew national parks (Poland)

A tale of two nematodes: Climate mediates mustelid infection by nematodes across the geographical range

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