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Pathogens
Special Issues
Helminth Infection and Molecular Identification in Wild and Domestic Animals
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Helminth Infection and Molecular Identification in Wild and Domestic Animals

A special issue of Pathogens (ISSN 2076-0817). This special issue belongs to the section "Parasitic Pathogens".

Deadline for manuscript submissions: closed (1 August 2023) | Viewed by 7006

Special Issue Editors

Dr. Wei Liu

E-Mail Website
Guest Editor
Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
Interests: parasite; epidemiology; molecule identification; omics; genetic evolution; phylogeny
Special Issues, Collections and Topics in MDPI journals
Dr. Xi Zhang

E-Mail Website
Guest Editor
Department of Parasitology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
Interests: parasitological infection; genetics; evolution
Dr. Yisong Liu

E-Mail Website
Guest Editor
Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
Interests: parasitological molecular biology; molecule identification; omics; genetic evolution
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wild and domestic animals are reservoirs for a wide range of helminths, including many nematodes, trematodes, and cestodes, several of which pose a public health concern. The increased urbanization and introduction of exotic species act as drivers for the transmission of zoonotic helminths through the environment. In addition, as a part of the human diet, domestic animals are sources of life-threatening parasitoses. An awareness of wild and domestic animal-borne zoonotic helminths is essential to advocate for the control, prevention, and surveillance of these neglected diseases. Therefore, this Special Issue focuses on significant advances in epidemiological and molecule identification of wild and domestic animal parasites. Epidemiological studies include etiology and surveillance of parasitic diseases using fecal or gross examination and immunological, molecular, or meta-analysis tools. Molecule identification studies include genetic variants within parasite populations, genetic variants in response to the environment or host revealed by genome sequencing, and bioinformatic analysis using cutting-edge tools.

We are inviting the submission of original research papers that help us to better understand parasites' epidemiology, genetic variants driven by climate change, anthelmintic treatment, and host immune responses. We also welcome papers covering the epidemiological and molecule identification of parasites, contributing to better management and welfare policies for domestic and wild animals, as well as studies focusing on the One Health approach to prevent the transmission of parasites from animals to human beings. 

Dr. Wei Liu
Dr. Xi Zhang
Dr. Yisong Liu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Pathogens is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • infection
  • molecule identification
  • nematode
  • cestode
  • trematode
  • wild animals
  • domestic animals

Published Papers (3 papers)

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Research

20 pages, 2738 KiB  
Article
Helminths in Invasive Raccoons (Procyon lotor) from Southwest Germany
by Nico P. Reinhardt, Marion Wassermann, Jessica Härle, Thomas Romig, Lina Kurzrock, Janosch Arnold, Ernst Großmann, Ute Mackenstedt and Reinhard K. Straubinger
Pathogens 2023, 12(7), 919; https://doi.org/10.3390/pathogens12070919 - 08 Jul 2023
Cited by 4 | Viewed by 1558
Abstract
As hosts of numerous zoonotic pathogens, the role of raccoons needs to be considered in the One Health context. Raccoons progressively expand their range as invasive alien species in Europe. This study aimed to investigate the intestinal helminth fauna of raccoons in Baden-Wuerttemberg, [...] Read more.
As hosts of numerous zoonotic pathogens, the role of raccoons needs to be considered in the One Health context. Raccoons progressively expand their range as invasive alien species in Europe. This study aimed to investigate the intestinal helminth fauna of raccoons in Baden-Wuerttemberg, Germany, as no such screening had ever been conducted there. In total, we obtained 102 animals from hunters in 2019 and 2020. Intestinal helminths were retrieved using the SSCT (segmented sedimentation and counting technique) and identified morphologically and by PCR-based Sanger sequencing. Fecal samples were assessed using the ELISA PetChekTM IP assay (IDEXX, Germany) and flotation technique. The artificial digestion method was employed for analyzing muscle tissue. We detected species of four nematode genera (Baylisascaris procyonis, Toxocara canis, Capillaria spp., and Trichuris spp.), three cestode genera (Atriotaenia cf. incisa/procyonis, Taenia martis, and Mesocestoides spp.), and three trematode genera (Isthmiophora hortensis/melis, Plagiorchis muris, and Brachylaima spp.). Echinococcus spp. and Trichinella spp. were not found. The invasive behavior and synanthropic habits of raccoons may increase the infection risk with these helminths in wildlife, domestic and zoo animals, and humans by serving as a connecting link. Therefore, it is crucial to initiate additional studies assessing these risks. Full article
(This article belongs to the Special Issue Helminth Infection and Molecular Identification in Wild and Domestic Animals)
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17 pages, 2159 KiB  
Article
Epidemiology and Integrative Taxonomy of Helminths of Invasive Wild Boars, Brazil
by Patricia Parreira Perin, Ivan Moura Lapera, Carmen Andrea Arias-Pacheco, Talita Oliveira Mendonça, Wilson Junior Oliveira, Andressa de Souza Pollo, Carolina dos Santos Silva, José Hairton Tebaldi, Bruna da Silva and Estevam Guilherme Lux-Hoppe
Pathogens 2023, 12(2), 175; https://doi.org/10.3390/pathogens12020175 - 23 Jan 2023
Cited by 2 | Viewed by 2694
Abstract
Wild boars (Sus scrofa) are a significant invasive species in Brazil. We evaluated the helminth diversity of 96 wild boars in São Paulo state. Helminth infection descriptors were calculated, the species were identified and their 18S, 28S rDNA and internal transcribed [...] Read more.
Wild boars (Sus scrofa) are a significant invasive species in Brazil. We evaluated the helminth diversity of 96 wild boars in São Paulo state. Helminth infection descriptors were calculated, the species were identified and their 18S, 28S rDNA and internal transcribed spacer (ITS) regions were amplified for phylogenetic analyses. Ascarops strongylina, Strongyloides ransomi, Globocephalus urosubulatus, Oesophagostomum dentatum, Trichuris suis, Metastrongylus salmi, Metastrongylus pudendotecus, Ascaris suum and Stephanurus dentatus and Macracanthorhynchus hirudinaceus were identified. Globocephalus urosubulatus had the highest prevalence and mean abundance, and most animals had mixed infections with three parasite species. There was no association between parasite intensity and prevalence and host sex and body condition index (p > 0.05). Novel DNA sequences were obtained from G. urosubulatus, A. strongylina, and S. dentatus. This is the first study on the helmint diversity of non-captive wild boars in Brazil, and the first report of the occurrence of M. hirudinaceus, G. urosubulatus and S. dentatus in Brazilian wild boars. Non-captive wild boars of São Paulo State did not act as capture hosts for native helminth species but maintained their typical parasites, common to domestic pigs. They may act as parasite dispersers for low-tech subsistence pig farming and for native Tayassuidae. Full article
(This article belongs to the Special Issue Helminth Infection and Molecular Identification in Wild and Domestic Animals)
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12 pages, 867 KiB  
Article
Comparison of Three Diagnostic Methods to Detect the Occurrence of Fasciola Species in Communally Grazed Cattle in the North West Province, South Africa
by Sunday C. Olaogun, Charles Byaruhanga, Sunday O. Ochai, Geoffrey T. Fosgate and Munyaradzi C. Marufu
Pathogens 2022, 11(12), 1398; https://doi.org/10.3390/pathogens11121398 - 23 Nov 2022
Cited by 2 | Viewed by 2134
Abstract
Fasciolosis causes significant economic losses in commercial cattle herds in South Africa, but its prevalence is unknown in most communal areas. A cross-sectional study was conducted with the aim of determining the occurrence of bovine fasciolosis using three different diagnostic methods in Moretele [...] Read more.
Fasciolosis causes significant economic losses in commercial cattle herds in South Africa, but its prevalence is unknown in most communal areas. A cross-sectional study was conducted with the aim of determining the occurrence of bovine fasciolosis using three different diagnostic methods in Moretele Local Municipality in Bojanala District, North West Province. Faecal samples were collected from 277 cattle of different breeds, ages, sex and faecal condition scores and examined using the sedimentation technique, quantitative real-time polymerase chain reaction (qPCR) and faecal antigen enzyme-linked immunosorbent assay (coproELISA). All samples were negative for bovine fasciolosis using coproELISA. A total of 73 (26.4%) samples were positive using the qPCR, while 36 were positive using the sedimentation technique, with low faecal egg counts (1 to 20 eggs per gram). The qPCR detected the highest positivity (26.4%, 95% CI 21.3, 32.0) followed by the sedimentation test (13.0%; 95% CI 9.3, 17.5). Location, breed, sex, age and faecal consistency score were not associated with positive qPCR results (p > 0.05). There was also no significant agreement (kappa = −0.011, p = 0.843) between qPCR and the sedimentation technique for the detection of Fasciola spp. The qPCR appeared to be the most sensitive method for detection of Fasciola spp. Further studies are required on the characterisation of Fasciola spp. in communal cattle in South Africa. Full article
(This article belongs to the Special Issue Helminth Infection and Molecular Identification in Wild and Domestic Animals)
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