A Horsehair Worm, &amp;lt;i&amp;gt;Gordius&amp;lt;/i&amp;gt; sp. (Nematomorpha: Gordiida), Passed in a Canine Feces

Hong, Eui‐Ju; Sim, Cheolho; Chae, Joon‐Seok; Kim, Hyeon-Cheol; Park, Jinho; Choi, Kyoung-Seong; Yu, Dihua; Yoo, Jae Gyu; Park, Bae‐Keun

doi:10.3347/kjp.2015.53.6.719

Cited by 7 publications

(6 citation statements)

References 18 publications

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“…For the identification of parasites, the 18S rRNA gene was analyzed as it is highly conserved and contains variable regions flanked by more conserved regions [ 18 , 22 ]. Although partial sequences of the 18S rRNA gene of T. apodemi were similar to those of genus Toxocara , they were not perfectly matched with other members of Toxocara and a few unique variable regions were observed.…”

Section: Discussionmentioning

confidence: 99%

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Morphological and Molecular Characterization of Toxocara apodemi (Nematoda: Ascarididae) from Striped Field Mice, Apodemus agrarius, in Korea

et al. 2020

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Adult ascarid worms from the field mice, Apodemus agrarius, were observed with a light and scanning electron microscope, and molecularly analized with 18S rRNA gene. In the scanning electron microscope, 3 prominent labia were present in the anterior end of male and female worms, but the interlabia and gubernaculum were absent. Scanning electron micrographs showed cervical alae as vestigial organs that looked like a slightly uplifted superficial sewing stitch. Total 6 pairs of post-cloacal papillae were observed on the tail of the male worms. The tail of female worms was blunt and conical shape with a spine-like structure, mucron. The eggs were sub-globular, coated with the albuminous layer and 73 by 82 μm in average size. The superficial pits of T. apodemi egg (mean 8.6×6.7 μm) are obviously bigger than those of Toxocara spp. The partial sequence of 18S rRNA showed the sequence homology of Toxocara canis (99.6%), Toxocara cati (99.4%), Toxascaris leonina (99.4%), and Toxocara vitulorum (99.2%). Conclusively, it was confirmed that ascarid nematodes, Toxocara apodemi, recovered from striped field mice in Korea are taxonomically conspecific relationship with genus Toxocara and genetic divergence from other Toxocara species.

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Section: Discussionmentioning

confidence: 99%

“…A phylogenetic tree based on sequence analysis was constructed by the neighbor-joining (NJ) method using the program BLAST tree. The NJ method was based on a guide tree as pairwise and multiple alignment parameters [ 18 ].…”

Section: Methodsmentioning

confidence: 99%

Morphological and Molecular Characterization of Toxocara apodemi (Nematoda: Ascarididae) from Striped Field Mice, Apodemus agrarius, in Korea

et al. 2020

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“…Several cases of parasitism and pseudo-parasitism by gordiid worms from various locations, including France, Italy, Bavaria, Dalmatia, East Africa, Southeast Africa, West Africa, Transvaal, Chile, United States and Canada, were described in the literature [55]. Horsehair worms were also identified in vomit and feces [56, 57]. However, none of the described parasitic invasions were pathogenic for humans.…”

Section: Discussionmentioning

confidence: 99%

A parasitological evaluation of edible insects and their role in the transmission of parasitic diseases to humans and animals

Gałęcki

Sokół

2019

PLoS ONE

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From 1 January 2018 came into force Regulation (EU) 2015/2238 of the European Parliament and of the Council of 25 November 2015, introducing the concept of “novel foods”, including insects and their parts. One of the most commonly used species of insects are: mealworms ( Tenebrio molitor ), house crickets ( Acheta domesticus ), cockroaches (Blattodea) and migratory locusts ( Locusta migrans ). In this context, the unfathomable issue is the role of edible insects in transmitting parasitic diseases that can cause significant losses in their breeding and may pose a threat to humans and animals. The aim of this study was to identify and evaluate the developmental forms of parasites colonizing edible insects in household farms and pet stores in Central Europe and to determine the potential risk of parasitic infections for humans and animals. The experimental material comprised samples of live insects (imagines) from 300 household farms and pet stores, including 75 mealworm farms, 75 house cricket farms, 75 Madagascar hissing cockroach farms and 75 migrating locust farms. Parasites were detected in 244 (81.33%) out of 300 (100%) examined insect farms. In 206 (68.67%) of the cases, the identified parasites were pathogenic for insects only; in 106 (35.33%) cases, parasites were potentially parasitic for animals; and in 91 (30.33%) cases, parasites were potentially pathogenic for humans. Edible insects are an underestimated reservoir of human and animal parasites. Our research indicates the important role of these insects in the epidemiology of parasites pathogenic to vertebrates. Conducted parasitological examination suggests that edible insects may be the most important parasite vector for domestic insectivorous animals. According to our studies the future research should focus on the need for constant monitoring of studied insect farms for pathogens, thus increasing food and feed safety.

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“…The phylogenetic tree was constructed based on the sequence analysis conducted using the neighbor-joining method by Basic Local Alignment Search Tool (BLAST) analysis. The neighbor-joining methods were based on a guide tree that provided pairwise and multiple alignment parameters [17].…”

Section: Methodsmentioning

confidence: 99%

Urogonimus turdi (Digenea: Leucochloridiidae) from the White’s Thrush, Zoothera aurea, in the Republic of Korea

et al. 2019

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Avian trematodes, Urogonimus turdi (Digenea: Leucochloridiidae), were collected from the intestine of wild birds, Zoothera aurea, 2013–2017 in the Daejeon Metropolitan City, Korea. The body was ellipsoidal, attenuated and/or round ends, 1,987–2,120 long and 819–831 μm wide. The oral sucker was subterminal, rounded anteriorly, and 308–425×351–432 μm in size; the prepharynx and esophagus were almost lacking; pharynx was well-developed, 142–179×78–170 μm in size; intestine narrow, bifurcating just after pharynx, ascending to the oral sucker before looping posteriorly and terminating near the posterior end; ventral sucker larger, in almost median, 536–673×447–605 μm and approximately 1.5 times larger than oral sucker. A phylogenetic tree constructed with 18S ribosomal RNA showed inter- and intraspecific relationships. Based on these morphological and molecular findings, we report here a U. turdi from White’s thrushes in Korea.

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A Horsehair Worm, <i>Gordius</i> sp. (Nematomorpha: Gordiida), Passed in a Canine Feces

Cited by 7 publications

References 18 publications

Morphological and Molecular Characterization of Toxocara apodemi (Nematoda: Ascarididae) from Striped Field Mice, Apodemus agrarius, in Korea

Morphological and Molecular Characterization of Toxocara apodemi (Nematoda: Ascarididae) from Striped Field Mice, Apodemus agrarius, in Korea

A parasitological evaluation of edible insects and their role in the transmission of parasitic diseases to humans and animals

Urogonimus turdi (Digenea: Leucochloridiidae) from the White’s Thrush, Zoothera aurea, in the Republic of Korea

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