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Arussi D, Salant H, Rojas A, Dvir E. Prevalence and molecular characterization of Giardia duodenalis in companion dogs, domestic livestock and wildlife in the Jordan Basin, Israel. Vet Parasitol Reg Stud Reports 2024; 52:101042. [PMID: 38880565 DOI: 10.1016/j.vprsr.2024.101042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 05/04/2024] [Accepted: 05/20/2024] [Indexed: 06/18/2024]
Abstract
Giardiasis is a small intestinal disease caused by the zoonotic parasite, Giardia duodenalis. This study presents the molecular findings of G. duodenalis infection in companion dogs, domestic livestock and wildlife in the Northern Jordan Basin, Israel. Identification of G. duodenalis was accomplished by nested PCR (nPCR) targeting the 18S rRNA gene. Samples were collected from water (five samples from four sources of which one was recycled water), as well as feces from wolves (Canis lupus) (n = 34), jackals (Canis aureus) (n = 24), wild boars (Sus scrofa) (n = 40), cattle (Bos taurus) (n = 40), dogs (Canis lupus familiaris) (n = 37) and nutria (Mayocastor coypus) (n = 100). All positive samples were sequenced and a phylogenetic tree was drawn using the Bayesian Inference (BI) algorithm. Differences in G. duodenalis prevalence between the different hosts were analyzed by Pearson's chi-square (p < 0.05). Of the total 275 fecal samples, 36 were positive for G. duodenalis (13%). Frequency rates among different animal species was highest in wolves (32.3%), whilst rates in wild boars (22.5%), dogs (16.2%), cattle (12.5%) and jackals (4.2%), were observed to be significantly lower (p < 0.001). Three out of 5 recycled water (RW) samples were G. duodenalis positive. Three clusters with high posterior probabilities (PP) were found in the BI: Cluster 1: samples from wolves, wild boars, water and cattle together with database sequences of assemblages A, B and F, Cluster 2: samples from dogs, nutria and a jackal with sequences from assemblage D and Cluster 3: samples from cattle, wild boars, wolves and dogs with sequences from assemblage C and D. We suggest that wolves serve as reservoirs of G. duodenalis in this region. The finding of Giardia in RW suggests that this vehicle may further contaminate crops intended for human consumption as this water source is used for agricultural irrigation.
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Affiliation(s)
- Dvir Arussi
- Department of Animal Sciences, Tel Hai College, Upper Galilee, Israel
| | - Harold Salant
- Koret School of Veterinary Medicine, Hebrew University of Jerusalem, Israel
| | - Alicia Rojas
- Laboratory of Helminthology, Faculty of Microbiology, University of Costa Rica, San Jose, Costa Rica
| | - Eran Dvir
- Department of Animal Sciences, Tel Hai College, Upper Galilee, Israel.
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Kanski S, Weber K, Busch K. [Feline and canine giardiosis: An Update]. TIERARZTLICHE PRAXIS. AUSGABE K, KLEINTIERE/HEIMTIERE 2023; 51:411-421. [PMID: 38056479 DOI: 10.1055/a-2191-1723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Giardia duodenalis is a facultative pathogenic intestinal parasite. Giardiosis in dogs and cats may appear with or without clinical signs. Typical signs include diarrhea with or without vomiting. The prevalence in young animals is high and may amount to up to 50%. There are 8 different genotypes (A - H), which are called assemblages. Assemblages C and D are most common in dogs and assemblage F most frequent in cats. However, animals may also be infected with the zoonotically effective assemblages A and B or exhibit mixed infections. The immunofluorescence test (IFA), the enzyme-linked immunosorbent assay (ELISA) and fecal centrifugation using zinc sulphate solution are currently recommended as diagnostic methods. Polymerase chain reaction (PCR) may be used to determine the corresponding assemblage. Approved treatments for giardiosis include fenbendazole and metronidazole. In addition, undertaking specific hygiene measures is warranted. Only animals showing clinical signs or those living in the same household with high-risk patients (e. g. immunosuppressed humans) are recommended to receive medication. The aim of treatment is clinical improvement of the diseased dogs and cats. Frequently, complete elimination of Giardia is not attained.
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Affiliation(s)
- Sabrina Kanski
- Medizinische Kleintierklinik, Ludwig-Maximilians-Universität München
| | - Karin Weber
- Medizinische Kleintierklinik, Ludwig-Maximilians-Universität München
| | - Kathrin Busch
- Medizinische Kleintierklinik, Ludwig-Maximilians-Universität München
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Baptista CB, Araújo MJ, Inácio SV, de Araújo Mendes BC, Costa de Aquino MC, Ferrari ED, Bresciani KDS, da Costa AJ. First report of Giardia duodenalis in pet rabbits in Brazil. Prev Vet Med 2023; 218:105981. [PMID: 37544081 DOI: 10.1016/j.prevetmed.2023.105981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 08/08/2023]
Abstract
Giardia duodenalis is a flagellate protozoan that multiplies in the small intestine of a wide variety of hosts, animals and humans. It has a worldwide distribution, however it is considered a neglected disease by the World Health Organization (WHO). Nowadays, rabbits are being chosen as pets, especially by children. There are already reports of the occurrence of G. duodenalis in rabbits from other countries, but research has not been carried out in Brazil yet. Thus, the objective of our work was to verify the occurrence and molecularly characterize G. duodenalis that affect pet rabbits, through the polymerase chain reaction (PCR) in the northwest region of the state of São Paulo, Brazil. Fecal samples from 100 rabbits were collected, which later underwent a process of DNA extraction and amplification by nested-PCR (nPCR), using the SSU rRNA gene, and β-giardin (bg), glutamate dehydrogenase (gdh) and triosephosphate isomerase (tpi) to determine the assemblage. A questionnaire was answered by the owners with information about gender, age, deworming, diarrhea, water source, food, place of residence and contact with other animals. From those samples, 40 were positive for G. duodenalis. Good quality of the SSU rRNA gene by nPCR were obtained from two samples. For the first time, we report the occurrence of G. duodenalis assemblage A on pet rabbits in Brazil.
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Affiliation(s)
| | - Matheus Janeck Araújo
- São Paulo State University (Unesp), School of Veterinary Medicine, Araçatuba, Brazil
| | - Sandra Valéria Inácio
- São Paulo State University (Unesp), School of Veterinary Medicine, Araçatuba, Brazil; Castelo Branco University, UCB, RJ, Brazil; São Paulo State University (Unesp), School of Agricultural and Veterinarian Sciences, Jaboticabal, Brazil
| | | | | | - Elis Domingos Ferrari
- São Paulo State University (Unesp), School of Veterinary Medicine, Araçatuba, Brazil
| | | | - Alvimar José da Costa
- São Paulo State University (Unesp), School of Veterinary Medicine, Araçatuba, Brazil
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Wang N, Wang K, Liu Y, Zhang X, Zhao J, Zhang S, Zhang L. Molecular characterization of Cryptosporidium spp., Enterocytozoon bieneusi and Giardia duodenalis in laboratory rodents in China. Parasite 2022; 29:46. [PMID: 36219067 PMCID: PMC9552759 DOI: 10.1051/parasite/2022046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/17/2022] [Indexed: 11/07/2022] Open
Abstract
Cryptosporidium spp., Enterocytozoon bieneusi and Giardia duodenalis are significant zoonotic intestinal pathogens that can cause gastrointestinal symptoms such as diarrhea and induce a host immune response. A total of 1237 fecal samples were collected from laboratory rodents (rats, mice and guinea pigs) from four different locations in China to investigate the infection rates and molecular characterization of these pathogens on experimental animals. Genomic DNA was extracted from each sample, and PCR amplifications were done. Overall, the Cryptosporidium spp. infection rate was 3.8% (47/1237). Four known Cryptosporidium species were identified, namely C. parvum, C. muris, C. tyzzeri and C. homai, the three former being zoonotic species. The overall E. bieneusi infection rate was 3.0% (37/1237). Seven known E. bieneusi genotypes, namely S7, BEB6, J, Henan-IV, CHG10, D and WL6, were detected by sequence analysis. Among these, genotypes D, Henan-IV and CHG10 have a high zoonotic risk. Giardia duodenalis was not detected at any of the three loci (SSU rRNA, bg and gdh) after PCR amplification. This study provides basic data for these pathogens in laboratory rodents in China and lays the foundation for their prevention and control in laboratory animals.
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Affiliation(s)
- Nanhao Wang
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China,International Joint Research Laboratory for Zoonotic Diseases of Henan Zhengzhou Henan PR China,Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs Zhengzhou Henan PR China
| | - Ke Wang
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China,International Joint Research Laboratory for Zoonotic Diseases of Henan Zhengzhou Henan PR China,Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs Zhengzhou Henan PR China
| | - Yufeng Liu
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China,International Joint Research Laboratory for Zoonotic Diseases of Henan Zhengzhou Henan PR China,Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs Zhengzhou Henan PR China
| | - Xiaotian Zhang
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China,International Joint Research Laboratory for Zoonotic Diseases of Henan Zhengzhou Henan PR China,Key Laboratory of Quality and Safety Control of Poultry Products (Zhengzhou), Ministry of Agriculture and Rural Affairs Zhengzhou Henan PR China
| | - Jinfeng Zhao
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China
| | - Sumei Zhang
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China,International Joint Research Laboratory for Zoonotic Diseases of Henan Zhengzhou Henan PR China,Corresponding authors: (S.Z.); (L.Z.)
| | - Longxian Zhang
- College of Veterinary Medicine, Henan Agricultural University Zhengzhou 450046 Henan PR China,International Joint Research Laboratory for Zoonotic Diseases of Henan Zhengzhou Henan PR China,Corresponding authors: (S.Z.); (L.Z.)
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Agresti A, Berrilli F, Maestrini M, Guadano Procesi I, Loretti E, Vonci N, Perrucci S. Prevalence, Risk Factors and Genotypes of Giardia duodenalis in Sheltered Dogs in Tuscany (Central Italy). Pathogens 2021; 11:pathogens11010012. [PMID: 35055960 PMCID: PMC8781685 DOI: 10.3390/pathogens11010012] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/17/2021] [Accepted: 12/21/2021] [Indexed: 11/16/2022] Open
Abstract
In sheltered dogs, the prevalence of Giardia duodenalis is frequently high and may include potential zoonotic genotypes. The prevalence, genotypes and potential risk factors of G. duodenalis were assessed in 168 dogs from four kennels (Pistoia, Prato, Florence, Valdarno) in Tuscany, central Italy and compared with data from previous Italian studies. The prevalence of other intestinal parasites was also investigated. Individual dog faecal samples collected from each kennel were examined by parasitological techniques and a rapid immunoassay for the detection of G. duodenalis and Cryptosporidium faecal antigens. On Giardia-positive samples, molecular analysis was performed for genotype identification. Overall, 69 dogs scored positive for G. duodenalis (41%), but significant differences (p ≤ 0.05) were found among the four kennels and sampling seasons. The potentially zoonotic assemblages A and B and the canine-specific assemblage C (Pistoia: A-AII, B, C; Prato: A-AII, B; Florence: A-AII; Valdarno: A and C) were identified. Toxocara canis (8.9%), Trichuris vulpis (3.6%), hookworms (1.19%) and Cryptosporidium sp. (0.6%) were also identified. The high prevalence of G. duodenalis and the identification of potentially zoonotic genotypes in all examined kennels underline the need to improve routine parasite monitoring and control measures and to provide insights into the zoonotic potential of G. duodenalis.
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Affiliation(s)
- Andrea Agresti
- Department of Veterinary Sciences, University of Pisa, 56124 Pisa, Italy; (A.A.); (M.M.)
| | - Federica Berrilli
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy; (F.B.); (I.G.P.)
| | - Michela Maestrini
- Department of Veterinary Sciences, University of Pisa, 56124 Pisa, Italy; (A.A.); (M.M.)
| | - Isabel Guadano Procesi
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy; (F.B.); (I.G.P.)
- Department of Biology, Ph.D. Program in Evolutionary Biology and Ecology, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Enrico Loretti
- Unità Funzionale Aziendale Igiene Urbana, Az. USL Centro Toscana, 50127 Firenze, Italy;
| | - Niccolò Vonci
- Unità Funzionale Igiene Epidemiologia e Sanità Pubblica, Azienda USL Toscana Centro, 50032 Borgo San Lorenzo, Italy;
| | - Stefania Perrucci
- Department of Veterinary Sciences, University of Pisa, 56124 Pisa, Italy; (A.A.); (M.M.)
- Correspondence: ; Tel.: +39-050-2216949
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Hernández PC, Morales de la Pava L, Chaparro-Olaya J, López-Osorio S, López-Arias Á, Chaparro-Gutiérrez JJ. Multilocus genotyping of Giardia intestinalis in pet dogs of Medellín Colombia. Vet Parasitol Reg Stud Reports 2020; 23:100520. [PMID: 33678375 DOI: 10.1016/j.vprsr.2020.100520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/05/2020] [Accepted: 12/21/2020] [Indexed: 11/18/2022]
Abstract
According to a few parasitological and epidemiological studies, Giardia is the most prevalent parasitic infection among pet dogs in the city of Medellín, the second-largest city in Colombia. This study determined the assemblages of Giardia in the fecal samples of dogs obtained from 18 veterinary centers of Medellín. One hundred fecal samples of dogs diagnosed with Giardia using microscopy were analyzed via nested polymerase chain reaction (PCR) using three genes (gdh, bg, and tpi). The PCR products were purified and sequenced, and phylogenetic analyses were conducted using the maximum likelihood algorithm of the three loci. From the 100 samples analyzed, 47 were Giardia-positive via PCR. Genotypes C and D were detected in six samples, neither of which were associated with human infection. However, the zoonotic potential of Giardia cannot be ruled out because of the small number of samples that could be sequenced for assemblage assignation.
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Affiliation(s)
- Paula C Hernández
- Laboratorio de Parasitología Molecular, Vicerrectoría de Investigaciones, Universidad El Bosque, Bogotá, Colombia
| | - Liliana Morales de la Pava
- Laboratorio de Parasitología Molecular, Vicerrectoría de Investigaciones, Universidad El Bosque, Bogotá, Colombia
| | - Jacqueline Chaparro-Olaya
- Laboratorio de Parasitología Molecular, Vicerrectoría de Investigaciones, Universidad El Bosque, Bogotá, Colombia.
| | - Sara López-Osorio
- Grupo de investigación CIBAV, Facultad de Ciencias Agrarias, Universidad de Antioquia-UdeA, Medellín, Colombia
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