The catholic taste of broad tapeworms – multiple routes to human infection

Waeschenbach, Andrea; Brabec, Jan; Scholz, Tomáš; Littlewood, D. Timothy J.; Kuchta, Roman

doi:10.1016/j.ijpara.2017.06.004

Cited by 111 publications

(98 citation statements)

References 52 publications

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“…They also demonstrate that the diplogonadic forms have arisen on several independent occasions within the family Diphyllobothriidae, as shown on the present phylogenetic tree ( Fig. 5; see also Waeschenbach et al 2017): during the anageneses of both Ligula interrupta D r a f t Rudolphi 1810 and Diph. balanopterae, and at least once during the evolution of Diph.…”

Section: Discussionsupporting

confidence: 81%

“…Recently, Waeschenbach et al (2017) confirmed synonymization of Diplogonoporus with Diphyllobothrium.…”

Section: Introductionmentioning

confidence: 82%

“…stemmacephalum . As a result, the previously established genus Diplogonoporus, as well as Digramma, which is currently considered as a synonym of Ligula (see Kuchta and Scholz 2017), is not natural and has been correctly synonymized by Waeschenbach et al (2017).…”

Section: Discussionmentioning

confidence: 99%

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Does the number of genital organs matter? Case of the seal tapeworm Diphyllobothrium (syn. Diplogonoporus) tetrapterum (Cestoda: Diphyllobothriidea)

et al. 2018

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The seal tapeworm Diphyllobothrium tetrapterum (von Siebold, 1848) Baer, 1932 (syn. Diplogonoporus tetrapterus) is exceptional among cestodes because it possesses two types of the strobila, one with a multiple set of genitalia per proglottid and another with a single set of reproductive organs per proglottid. In this study, Diph. tetrapterum is redescribed on the basis of extensive, well-fixed material from the northern fur seal (Callorhinus ursinus (Linnaeus, 1758)) from Alaska, USA. A critical morphological and molecular study of comprehensive material from several hosts throughout the Northern Hemisphere is provided. As a result, Diplogonoporus mutabilis Belopolskaia, 1960 and Diplogonoporus violettae Yurakhno, 1986 become junior synonyms of Diph. tetrapterum. Our study provides evidence of intraspecific and even individual variability of Diph. tetrapterum in the number of genital complexes, thus making this generic feature questionable for circumscription of the diphyllobothriid genera. The seal tapeworm has been found exclusively in the Northern Hemisphere and exhibits a wide (euryxenous) specificity at the level of the definitive host, having been found in a number of seals, the sea otter (Enhydra lutris (Linnaeus, 1758)), and exceptionally, in other terrestrial mammals. Plerocercoids of Diph. tetrapterum are reported from the second (fish) intermediate host for the first time, in this case the pink salmon (Oncorhynchus gorbuscha (Walbaum, 1792)) from Alaska.

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Section: Discussionsupporting

confidence: 81%

“…Recently, Waeschenbach et al (2017) confirmed synonymization of Diplogonoporus with Diphyllobothrium.…”

Section: Introductionmentioning

confidence: 82%

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Does the number of genital organs matter? Case of the seal tapeworm Diphyllobothrium (syn. Diplogonoporus) tetrapterum (Cestoda: Diphyllobothriidea)

et al. 2018

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“…However, foodborne parasitic infections, which are closely associated with the Japanese food custom of eating raw fish, have remained. Diphyllobothriasis caused by the adult tapeworm Diphyllobothrium nihonkaiense (proposed as Dibothriocephalus nihonkaiensis in 2017) ( 2 ), an infection closely associated with the consumption of raw Pacific salmon, is the most frequently occurring foodborne parasitic infection in Japan. Paleoparasitologic studies have revealed that diphyllobothriasis has existed in Japan for ≈1,000 years ( 3 ).…”

mentioning

confidence: 99%

“…In Japan, the causative agent of diphyllobothriasis has long been considered to be the tapeworm Diphyllobothrium latum (proposed as Dibothriocephalus latus in 2017) ( 2 ), ever since the first case of diphyllobothriasis reported in 1889 ( 12 ). This belief has caused confusion over diagnostics; whether the cases of diphyllobothriasis reported in Japan in the past were caused by D. latum tapeworm or another species was debatable ( 13 ).…”

mentioning

confidence: 99%

Epidemiology ofDiphyllobothrium nihonkaienseDiphyllobothriasis, Japan, 2001–2016

Ikuno¹,

Akao²,

Yamasaki³

2018

Emerg. Infect. Dis.

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Seasonal dietary shifts enhance parasite transmission to lake salmonids during ice cover

Prati

Henriksen

Knudsen

et al. 2020

Ecology and Evolution

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Changes in abiotic and biotic factors between seasons in subarctic lake systems are often profound, potentially affecting the community structure and population dynamics of parasites over the annual cycle. However, few winter studies exist and interactions between fish hosts and their parasites are typically confined to snapshot studies restricted to the summer season whereas host‐parasite dynamics during the ice‐covered period rarely have been explored. The present study addresses seasonal patterns in the infections of intestinal parasites and their association with the diet of sympatric living Arctic charr (Salvelinus alpinus) and brown trout (Salmo trutta) in Lake Takvatn, a subarctic lake in northern Norway. In total, 354 Arctic charr and 203 brown trout were sampled from the littoral habitat between June 2017 and May 2018. Six trophically transmitted intestinal parasite taxa were identified and quantified, and their seasonal variations were contrasted with dietary information from both stomachs and intestines of the fish. The winter period proved to be an important transmission window for parasites, with increased prevalence and intensity of amphipod‐transmitted parasites in Arctic charr and parasites transmitted through fish prey in brown trout. In Arctic charr, seasonal patterns in parasite infections resulted mainly from temporal changes in diet toward amphipods, whereas host body size and the utilization of fish prey were the main drivers in brown trout. The overall dynamics in the community structure of parasites chiefly mirrored the seasonal dietary shifts of their fish hosts.

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The catholic taste of broad tapeworms – multiple routes to human infection

Cited by 111 publications

References 52 publications

Does the number of genital organs matter? Case of the seal tapeworm Diphyllobothrium (syn. Diplogonoporus) tetrapterum (Cestoda: Diphyllobothriidea)

Does the number of genital organs matter? Case of the seal tapeworm Diphyllobothrium (syn. Diplogonoporus) tetrapterum (Cestoda: Diphyllobothriidea)

Epidemiology ofDiphyllobothrium nihonkaienseDiphyllobothriasis, Japan, 2001–2016

Seasonal dietary shifts enhance parasite transmission to lake salmonids during ice cover

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