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Holubová N, Zikmundová V, Kicia M, Zajączkowska Ż, Rajský M, Konečný R, Rost M, Mravcová K, Sak B, Kváč M. Genetic diversity of Cryptosporidium spp., Encephalitozoon spp. and Enterocytozoon bieneusi in feral and captive pigeons in Central Europe. Parasitol Res 2024; 123:158. [PMID: 38460006 DOI: 10.1007/s00436-024-08169-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 02/22/2024] [Indexed: 03/11/2024]
Abstract
Cryptosporidium spp., Enterocytozoon bieneusi and Encephalitozoon spp. are the most common protistan parasites of vertebrates. The results show that pigeon populations in Central Europe are parasitised by different species of Cryptosporidium and genotypes of microsporidia of the genera Enterocytozoon and Encephalitozoon. A total of 634 and 306 faecal samples of captive and feral pigeons (Columba livia f. domestica) from 44 locations in the Czech Republic, Slovakia and Poland were analysed for the presence of parasites by microscopy and PCR/sequence analysis of small subunit ribosomal RNA (18S rDNA), 60 kDa glycoprotein (gp60) and internal transcribed spacer (ITS) of SSU rDNA. Phylogenetic analyses revealed the presence of C. meleagridis, C. baileyi, C. parvum, C. andersoni, C. muris, C. galli and C. ornithophilus, E. hellem genotype 1A and 2B, E. cuniculi genotype I and II and E. bieneusi genotype Peru 6, CHN-F1, D, Peru 8, Type IV, ZY37, E, CHN4, SCF2 and WR4. Captive pigeons were significantly more frequently parasitised with screened parasite than feral pigeons. Cryptosporidium meleagridis IIIa and a new subtype IIIl have been described, the oocysts of which are not infectious to immunodeficient mice, whereas chickens are susceptible. This investigation demonstrates that pigeons can be hosts to numerous species, genotypes and subtypes of the studied parasites. Consequently, they represent a potential source of infection for both livestock and humans.
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Affiliation(s)
- Nikola Holubová
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, České Budějovice, Czech Republic.
| | - Veronika Zikmundová
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, České Budějovice, Czech Republic
- Faculty of Agriculture and Technology, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - Marta Kicia
- Department of Biology and Medical Parasitology, Wrocław Medical University, Wrocław, Poland
| | - Żaneta Zajączkowska
- Department of Biology and Medical Parasitology, Wrocław Medical University, Wrocław, Poland
| | - Matúš Rajský
- Research Institute for Animal Production Nitra, National Agricultural and Food Centre, Lužianky, Slovakia
| | - Roman Konečný
- Faculty of Agriculture and Technology, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - Michael Rost
- Faculty of Agriculture and Technology, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - Kristina Mravcová
- Institute of Vertebrate Biology, Czech Academy of Sciences, Brno, Czech Republic
| | - Bohumil Sak
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, České Budějovice, Czech Republic
| | - Martin Kváč
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, České Budějovice, Czech Republic
- Faculty of Agriculture and Technology, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
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Egan S, Barbosa AD, Feng Y, Xiao L, Ryan U. The risk of wild birds contaminating source water with zoonotic Cryptosporidium and Giardia is probably overestimated. Sci Total Environ 2024; 912:169032. [PMID: 38123098 DOI: 10.1016/j.scitotenv.2023.169032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 12/23/2023]
Abstract
Cryptosporidium and Giardia are important waterborne protozoan parasites that are resistant to disinfectants commonly used for drinking water. Wild birds, especially wild migratory birds, are often implicated in the contamination of source and wastewater with zoonotic diseases, due to their abundance near water and in urban areas and their ability to spread enteric pathogens over long distances. This review summarises the diversity of Cryptosporidium and Giardia in birds, with a focus on zoonotic species, particularly in wild and migratory birds, which is critical for understanding zoonotic risks. The analysis revealed that both avian-adapted and zoonotic Cryptosporidium species have been identified in birds but that avian-adapted Cryptosporidium species dominate in wild migratory birds. Few studies have examined Giardia species and assemblages in birds, but the non-zoonotic Giardia psittaci and Giardia ardeae are the most commonly reported species. The identification of zoonotic Cryptosporidium and Giardia in birds, particularly C. parvum and G. duodenalis assemblages A and B in wild migratory birds, is likely due to mechanical carriage or spillback from birds co-grazing pastures contaminated with C. parvum from livestock. Therefore, the role of wild migratory birds in the transmission of zoonotic Cryptosporidium and Giardia to source water is likely overestimated. To address knowledge gaps, it is important to conduct more extensive studies on the prevalence of Cryptosporidium and Giardia in a broader range of migratory wild birds. There is also a need to investigate the extent to which zoonotic infections with C. hominis/C. parvum and G. duodenalis assemblages A and B are mechanical and/or transient, and to assess the load and viability of zoonotic oo/cysts shed in avian faeces. Understanding the contribution of birds to zoonoses is essential for effective disease surveillance, prevention, and control.
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Affiliation(s)
- Siobhon Egan
- Harry Butler Institute, Vector- and Water-Borne Pathogen Research Group, Murdoch University, Murdoch, Western Australia 6150, Australia.
| | - Amanda D Barbosa
- Harry Butler Institute, Vector- and Water-Borne Pathogen Research Group, Murdoch University, Murdoch, Western Australia 6150, Australia; CAPES Foundation, Ministry of Education of Brazil, Brasilia, DF 70040-020, Brazil
| | - Yaoyu Feng
- Guangdong Laboratory for Lingnan Modern Agriculture, Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Lihua Xiao
- Guangdong Laboratory for Lingnan Modern Agriculture, Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Una Ryan
- Harry Butler Institute, Vector- and Water-Borne Pathogen Research Group, Murdoch University, Murdoch, Western Australia 6150, Australia
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Ryan UM, Feng Y, Fayer R, Xiao L. Taxonomy and molecular epidemiology of Cryptosporidium and Giardia - a 50 year perspective (1971-2021). Int J Parasitol 2021; 51:1099-1119. [PMID: 34715087 DOI: 10.1016/j.ijpara.2021.08.007] [Citation(s) in RCA: 106] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/25/2021] [Accepted: 08/31/2021] [Indexed: 12/11/2022]
Abstract
The protozoan parasites Cryptosporidium and Giardia are significant causes of diarrhoea worldwide and are responsible for numerous waterborne and foodborne outbreaks of diseases. Over the last 50 years, the development of improved detection and typing tools has facilitated the expanding range of named species. Currently at least 44 Cryptosporidium spp. and >120 genotypes, and nine Giardia spp., are recognised. Many of these Cryptosporidium genotypes will likely be described as species in the future. The phylogenetic placement of Cryptosporidium at the genus level is still unclear and further research is required to better understand its evolutionary origins. Zoonotic transmission has long been known to play an important role in the epidemiology of cryptosporidiosis and giardiasis, and the development and application of next generation sequencing tools is providing evidence for this. Comparative whole genome sequencing is also providing key information on the genetic mechanisms for host specificity and human infectivity, and will enable One Health management of these zoonotic parasites in the future.
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Affiliation(s)
- Una M Ryan
- Harry Butler Institute, Murdoch University, Perth, Western Australia, Australia.
| | - Yaoyu Feng
- Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, Guangdong, China
| | - Ronald Fayer
- Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, United States Department of Agriculture, 10300 Baltimore Avenue, BARC-East, Building 173, Beltsville, MD 20705, USA
| | - Lihua Xiao
- Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, Guangdong, China
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Wang Y, Zhang K, Chen Y, Li X, Zhang L. Cryptosporidium and cryptosporidiosis in wild birds: A One Health perspective. Parasitol Res 2021; 120:3035-44. [PMID: 34401942 DOI: 10.1007/s00436-021-07289-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 07/29/2021] [Indexed: 10/20/2022]
Abstract
Cryptosporidium is one of the most important parasitic protozoa that can be transmitted through food and water contamination. With the increasing report of Cryptosporidium infections in wild birds, especially in herbivorous waterfowl, concerns have been raised for oocyst contamination of water and food supplies, which in turn can cause human and domestic animal infections in areas neighboring wild birds' habitats. This review discusses the epidemiology, species, and genotypes distribution of Cryptosporidium in wild birds around the world. The overall prevalence of Cryptosporidium in wild birds was calculated as 3.96% (1945/49129), with 6 Cryptosporidium species (C. andersoni, C. parvum, C. meleagridis, C. avium, C. baileyi, and C. galli) and 5 genotypes (Goose genotype I, Goose genotype II, Avian genotype I, Avian genotype III, and Avian genotype VI) reported. As wild birds mainly live in the wild, control method for the Cryptosporidium infection in wild birds is still lacking, which increases the probability of disease transmission from wild birds to humans. The main purpose of this review is to highlight the Cryptosporidium infection in wild birds and its transmission, associated risk factors, and their prevention, illustrating the necessity of multidisciplinary approaches toward screening and control of Cryptosporidium infections.
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Jian Y, Zhang X, Li X, Schou C, Charalambidou I, Ma L, Karanis P. Occurrence of Cryptosporidium and Giardia in wild birds from Qinghai Lake on the Qinghai-Tibetan Plateau, China. Parasitol Res 2021; 120:615-628. [PMID: 33415392 DOI: 10.1007/s00436-020-06993-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 11/29/2020] [Indexed: 10/22/2022]
Abstract
Cryptosporidium and Giardia are important intestinal zoonotic pathogens that can infect various hosts and cause diarrhoeal diseases. There are few reports of the epidemiological prevalence and molecular characterization of Cryptosporidium and Giardia in wild birds around Qinghai Lake and in the surrounding areas on the Qinghai-Tibetan Plateau, Northwest China. Therefore, the aim of this study was to determine the Cryptosporidium spp. and Giardia duodenalis genotypes and their epidemiological prevalence in wild birds by PCR amplification. To our knowledge, this is the first report of a variety of Cryptosporidium spp. and G. duodenalis infections in wild birds from that area, with overall prevalence rates of 8.98% (61/679) and 3.39% (23/679), respectively. Furthermore, PCR sequencing confirmed the presence of Cryptosporidium baileyi (n = 3), Cryptosporidium parvum (n = 58), and G. duodenalis assemblage B (n = 19) and E (n = 4) in wild birds from the areas around Qinghai Lake. The results of the present study demonstrated the wide distribution of Cryptosporidium and Giardia among wild birds, which has potential public health significance. Moreover, the study findings also provided useful molecular epidemiological data for monitoring and investigating the two parasitic protozoa in wild animals and surrounding environments.
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Affiliation(s)
- Yingna Jian
- Qinghai Academy of Animal Sciences and Veterinary Medicine, Qinghai University, State Key Laboratory of Plateau Ecology and Agriculture Qinghai University, Center for Biomedicine and Infectious Diseases, Xining, 810016, People's Republic of China
| | - Xueyong Zhang
- Qinghai Academy of Animal Sciences and Veterinary Medicine, Qinghai University, State Key Laboratory of Plateau Ecology and Agriculture Qinghai University, Center for Biomedicine and Infectious Diseases, Xining, 810016, People's Republic of China
| | - Xiuping Li
- Qinghai Academy of Animal Sciences and Veterinary Medicine, Qinghai University, State Key Laboratory of Plateau Ecology and Agriculture Qinghai University, Center for Biomedicine and Infectious Diseases, Xining, 810016, People's Republic of China
| | - Chad Schou
- Medical Faculty and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Iris Charalambidou
- Department of Life and Health Sciences, School of Sciences and Engineering, University of Nicosia, 2417, Nicosia, Cyprus
| | - Liqing Ma
- Qinghai Academy of Animal Sciences and Veterinary Medicine, Qinghai University, State Key Laboratory of Plateau Ecology and Agriculture Qinghai University, Center for Biomedicine and Infectious Diseases, Xining, 810016, People's Republic of China
| | - Panagiotis Karanis
- Qinghai Academy of Animal Sciences and Veterinary Medicine, Qinghai University, State Key Laboratory of Plateau Ecology and Agriculture Qinghai University, Center for Biomedicine and Infectious Diseases, Xining, 810016, People's Republic of China. .,Medical Faculty and University Hospital Cologne, University of Cologne, Cologne, Germany. .,Department of Basic and Clinical Sciences, Anatomy Centre, University of Nicosia Medical School, Nicosia, Cyprus.
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Altamimi MK, Al-Zubaidi MTS. High Prevalence of Cryptosporidium meleagridis in Domestic Pigeons (Columba livia domestica) Raises a Prospect of Zoonotic Transmission in Babylon Province, Iraq. Iraqi J Vet Med 2020. [DOI: 10.30539/ijvm.v44i(e0).1012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Cryptosporidium is one of the most common protozoan’s parasites with remarkable infectivity of a wide range of animals, including mammals and birds. Domestic pigeons (Columba livia domestica) act as a potential reservoir for several species of Cryptosporidium because they live in close proximity to humans. This study was conducted to assess the genetic diversity of Cryptosporidium in domestic pigeons in Iraq. A total of one hundred samples obtained from feces of domestic pigeons in Babylon province were included. After being exposed to microbial examination, all fecal samples were subsequently screened by nested polymerase chain reaction (PCR) for the possible recognition of Cryptosporidium species. Microscopy tests detected only 14/100 (14%) of infection with Cryptosporidium, while molecular tests detected 21/100 (21%) of the same targeted parasite. Sequencing experiments showed a high prevalence of C. meleagridis with 13/21 (61.90%), followed by C. baileyi with 7/21 (33.33%), while only one infection was detected with C. hominis (1/21) (4.76%). No co-infection with mixed Cryptosporidium spp. was observed, and sex factor was not found to affect the infection rate. In conclusion, this study informed a high prevalence of C. meleagridis in domestic pigeons than both C. baileyi and C. hominis, respectively, signifying a higher zoonotic potential of C. meleagridis between domestic pigeons and their handlers. This finding may raise more questions with regard to the increasing infectivity of C. meleagridis in human. This is the first important screening study in Iraq that uses molecular methods for the detection of Cryptosporidium in domesticated pigeons.
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Holubová N, Tůmová L, Sak B, Hejzlarová A, Konečný R, McEvoy J, Kváč M. Description of Cryptosporidium ornithophilus n. sp. (Apicomplexa: Cryptosporidiidae) in farmed ostriches. Parasit Vectors 2020; 13:340. [PMID: 32641157 PMCID: PMC7346416 DOI: 10.1186/s13071-020-04191-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/15/2020] [Indexed: 11/10/2022] Open
Abstract
Background Avian cryptosporidiosis is a common parasitic disease that is caused by five species, which are well characterised at the molecular and biological level, and more than 18 genotypes for which we have limited information. In this study, we determined the occurrence and molecular characteristics of Cryptosporidium spp. in farmed ostriches in the Czech Republic. Methods The occurrence and genetic identity of Cryptosporidium spp. were analysed by microscopy and PCR/sequencing of the small subunit rRNA, actin, HSP70 and gp60 genes. Cryptosporidium avian genotype II was examined from naturally and experimentally infected hosts and measured using differential interference contrast. The localisation of the life-cycle stages was studied by electron microscopy and histologically. Infectivity of Cryptosporidium avian genotype II for cockatiels (Nymphicus hollandicus (Kerr)), chickens (Gallus gallus f. domestica (L.)), geese (Anser anser f. domestica (L.)), SCID and BALB/c mice (Mus musculus L.) was verified. Results A total of 204 individual faecal samples were examined for Cryptosporidium spp. using differential staining and PCR/sequencing. Phylogenetic analysis of small subunit rRNA, actin, HSP70 and gp60 gene sequences showed the presence of Cryptosporidium avian genotype II (n = 7) and C. ubiquitum Fayer, Santín & Macarisin, 2010 IXa (n = 5). Only ostriches infected with Cryptosporidium avian genotype II shed oocysts that were detectable by microscopy. Oocysts were purified from a pooled sample of four birds, characterised morphometrically and used in experimental infections to determine biological characteristics. Oocysts of Cryptosporidium avian genotype II measure on average 6.13 × 5.15 μm, and are indistinguishable by size from C. baileyi Current, Upton & Haynes, 1986 and C. avium Holubová, Sak, Horčičková, Hlásková, Květoňová, Menchaca, McEvoy & Kváč, 2016. Cryptosporidium avian genotype II was experimentally infectious for geese, chickens and cockatiels, with a prepatent period of four, seven and eight days post-infection, respectively. The infection intensity ranged from 1000 to 16,000 oocysts per gram. None of the naturally or experimentally infected birds developed clinical signs in the present study. Conclusions The molecular and biological characteristics of Cryptosporidium avian genotype II, described here, support the establishment of a new species, Cryptosporidium ornithophilus n. sp.![]()
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Affiliation(s)
- Nikola Holubová
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i, České Budějovice, Czech Republic.,Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - Lenka Tůmová
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i, České Budějovice, Czech Republic.,Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - Bohumil Sak
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i, České Budějovice, Czech Republic
| | - Adéla Hejzlarová
- Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - Roman Konečný
- Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - John McEvoy
- Veterinary and Microbiological Sciences Department, North Dakota State University, Fargo, USA
| | - Martin Kváč
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i, České Budějovice, Czech Republic. .,Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic.
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Wang K, Gazizova A, Wang Y, Zhang K, Zhang Y, Chang Y, Cui Y, Zhang Y, Zhang S, Zhang L. First Detection of Cryptosporidium spp. in Migratory Whooper Swans ( Cygnus cygnus) in China. Microorganisms 2019; 8:E6. [PMID: 31861389 DOI: 10.3390/microorganisms8010006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/13/2019] [Accepted: 12/17/2019] [Indexed: 01/11/2023] Open
Abstract
Cryptosporidium is an important protozoan parasite that can cause gastrointestinal diseases in humans and that also causes respiratory and gastrointestinal diseases in birds. In this study, we investigated the occurrence of Cryptosporidium species in migratory whooper swans in China. Fecal samples (n = 467) from whooper swans were collected from Sanmenxia Swan Lake National Urban Wetland Park, China. The samples were analyzed for Cryptosporidium species and genotypes with PCR along a sequence analysis of the small subunit rRNA. Cryptosporidium was detected in eight of the 467 (1.7%) samples. The analysis of the small subunit rRNA sequence data revealed two zoonotic species (Cryptosporidium parvum and Cryptosporidium andersoni) and one genotype (Cryptosporidium goose genotype II). These are the first data on the positive rate of Cryptosporidium spp. in whooper swans in China, and they suggest that whooper swans can harbor the zoonotic species C. parvum and C. andersoni in China.
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Holubová N, Zikmundová V, Limpouchová Z, Sak B, Konečný R, Hlásková L, Rajský D, Kopacz Z, McEvoy J, Kváč M. Cryptosporidium proventriculi sp. n. (Apicomplexa: Cryptosporidiidae) in Psittaciformes birds. Eur J Protistol 2019; 69:70-87. [PMID: 30981203 DOI: 10.1016/j.ejop.2019.03.001] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/14/2019] [Accepted: 03/19/2019] [Indexed: 11/28/2022]
Abstract
Cryptosporidiosis is a common parasitic infection in birds that is caused by more than 25 Cryptosporidium species and genotypes. Many of the genotypes that cause avian cryptosporidiosis are poorly characterized. The genetic and biological characteristics of avian genotype III are described here and these data support the establishment of a new species, Cryptosporidium proventriculi. Faecal samples from the orders Passeriformes and Psittaciformes were screened for the presence of Cryptosporidium by microscopy and sequencing, and infections were detected in 10 of 98 Passeriformes and in 27 of 402 Psittaciformes. Cryptosporidium baileyi was detected in both orders. Cryptosporidium galli and avian genotype I were found in Passeriformes, and C. avium and C. proventriculi were found in Psittaciformes. Cryptosporidium proventriculi was infectious for cockatiels under experimental conditions, with a prepatent period of six days post-infection (DPI), but not for budgerigars, chickens or SCID mice. Experimentally infected cockatiels shed oocysts more than 30 DPI, with an infection intensity ranging from 4,000 to 60,000 oocysts per gram (OPG). Naturally infected cockatiels shed oocysts with an infection intensity ranging from 2,000 to 30,000 OPG. Cryptosporidium proventriculi infects the proventriculus and ventriculus, and oocysts measure 7.4 × 5.8 μm. None of the birds infected C. proventriculi developed clinical signs.
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Affiliation(s)
- Nikola Holubová
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i., České Budějovice, Czech Republic; Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
| | - Veronika Zikmundová
- Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
| | - Zlata Limpouchová
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i., České Budějovice, Czech Republic; Faculty of Science, University of South Bohemia in České Budějovice, Czech Republic
| | - Bohumil Sak
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i., České Budějovice, Czech Republic
| | - Roman Konečný
- Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
| | - Lenka Hlásková
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i., České Budějovice, Czech Republic
| | - Dušan Rajský
- Faculty of Forestry, Department of Applied Zoology and Game Management, Technical University in Zvolen, Zvolen, Slovakia
| | - Zaneta Kopacz
- Department of Biology and Medical Parasitology, Wrocław Medical University, Wrocław, Poland
| | - John McEvoy
- Veterinary and Microbiological Sciences Department, North Dakota State University, Fargo, USA
| | - Martin Kváč
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, v.v.i., České Budějovice, Czech Republic; Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic.
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Cui Z, Song D, Qi M, Zhang S, Wang R, Jian F, Ning C, Zhang L. Revisiting the infectivity and pathogenicity of Cryptosporidium avium provides new information on parasitic sites within the host. Parasit Vectors 2018; 11:514. [PMID: 30231919 PMCID: PMC6146613 DOI: 10.1186/s13071-018-3088-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 08/30/2018] [Indexed: 11/24/2022] Open
Abstract
Background Cryptosporidium spp. are protozoans that cause diarrheal illness in humans and animals, including birds, worldwide. The present study was aimed to revisit the infectivity and pathogenicity of C. avium, recently considered to be a valid avian-infecting species of Cryptosporidium, and foster further understanding of its biological characteristics. Results Results showed that no Cryptosporidium oocysts were detected in the feces of experimentally inoculated BALB/c mice, Mongolian gerbils, quail or budgerigars within 30 days post-infection (dpi). Oocysts were first detected in feces of 3-day-old and 40-day-old hens at 8 and 9 dpi, respectively. In ducks infected with C. avium, oocysts were first detected at 9 dpi. Oocysts of infected animals were studied using a nested-polymerase chain reaction (PCR) technique for the SSU rRNA gene, actin gene, HSP70 gene and Cryptosporidium oocyst wall protein gene (COWP) detection. Restriction fragment length polymorphism (RFLP), using SspI and VspI restriction enzymes, was carried out to genotype the species and obtained amplification products were sequenced. Cryptosporidium developmental stages were found in the longitudinal plica of the bursa fabricii (BF) of hens, with high levels observed in histological sections and scanning electron microscopy. No pathological changes were observed. Conclusions These findings indicate that the bursa fabricii may be the primary site of C. avium infection. More biological data are needed to support the establishment of new species and contribute to the taxonomy of Cryptosporidium. Electronic supplementary material The online version of this article (10.1186/s13071-018-3088-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zhaohui Cui
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China
| | - Dan Song
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China
| | - Meng Qi
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China
| | - Sumei Zhang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China
| | - Rongjun Wang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China
| | - Fuchun Jian
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China
| | - Changshen Ning
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China.,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China
| | - Longxian Zhang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China. .,International Joint Research Laboratory for Zoonotic Diseases of Henan, Zhengzhou, China.
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Makino I, Inumaru M, Abe N, Sato Y. A new avian Cryptosporidium genotype in a 1-month-old caged brown wood owl (Strix leptogrammica) with severe dehydration and diarrhea. Parasitol Res 2018; 117:3003-3008. [PMID: 29876860 DOI: 10.1007/s00436-018-5951-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 05/25/2018] [Indexed: 10/14/2022]
Abstract
A 1-month-old brown wood owlet (Strix leptogrammica) purchased from a wholesaler and housed as a companion bird by an individual owner in Japan showed severe dehydration and anorexia following a week of vomiting and severe diarrhea. A great number of approximately 5 × 4-μm-sized Cryptosporidium oocysts were found in the feces by microscopy. The owlet was administered subcutaneous fluid and intragastric tube feeding for 2 weeks, resulting in improvement of the condition with a decreased number of oocysts in the feces. At days 51 and 119, no oocysts were found in the feces by microscope and PCR detection. These results suggested that this parasite was a possible agent of severe diarrhea in the affected bird. Molecular analysis of DNA extracted from oocysts based on the 18SrRNA loci identified C. avium; however, analysis of actin and hsp (heat shock protein) genes identified a novel genotype indicating a mixed infection with C. avium and a novel genotype.
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Affiliation(s)
- Ikuko Makino
- Graduate School of Veterinary Medicine, Nihon University, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan.,Fujisawa Avian Clinic, 201 ACE BuildingI2-1-13 Kugenuma-Ishigami, Fujisawa, Kanagawa, 251-0025, Japan
| | - Mizue Inumaru
- Graduate School of Veterinary Medicine, Nihon University, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan
| | - Niichiro Abe
- Microbiology Section, Division of Microbiology, Osaka Institute of Public Health, 8-34 Tojo-cho, Tennoji-ku, Osaka, 543-0026, Japan
| | - Yukita Sato
- Graduate School of Veterinary Medicine, Nihon University, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan.
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12
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Ren GJ, Fan XC, Liu TL, Wang SS, Zhao GH. Genome-wide analysis of differentially expressed profiles of mRNAs, lncRNAs and circRNAs during Cryptosporidium baileyi infection. BMC Genomics 2018; 19:356. [PMID: 29747577 PMCID: PMC5946474 DOI: 10.1186/s12864-018-4754-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 05/02/2018] [Indexed: 01/17/2023] Open
Abstract
Background Cryptosporidium baileyi is the most common Cryptosporidium species in birds. However, effective prevention measures and treatment for C. baileyi infection were still not available. Long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs) play important roles in regulating occurrence and progression of many diseases and are identified as effective biomarkers for diagnosis and prognosis of several diseases. In the present study, the expression profiles of host mRNAs, lncRNAs and circRNAs associated with C. baileyi infection were investigated for the first time. Results The tracheal tissues of experimental (C. baileyi infection) and control chickens were collected for deep RNA sequencing, and 545,479,934 clean reads were obtained. Of them, 1376 novel lncRNAs were identified, including 1161 long intergenic non-coding RNAs (lincRNAs) and 215 anti-sense lncRNAs. A total of 124 lncRNAs were found to be significantly differentially expressed between the experimental and control groups. Additionally, 14,698 mRNAs and 9085 circRNAs were identified, and significantly different expressions were observed for 1317 mRNAs and 104 circRNAs between two groups. Bioinformatic analyses of gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway for their targets and source genes suggested that these dysregulated genes may be involved in the interaction between the host and C. baileyi. Conclusions The present study revealed the expression profiles of mRNAs, lncRNAs and circRNAs during C. baileyi infection for the first time, and sheds lights on the roles of lncRNAs and circRNAs underlying the pathogenesis of Cryptosporidium infection. Electronic supplementary material The online version of this article (10.1186/s12864-018-4754-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Guan-Jing Ren
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Xian-Cheng Fan
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Ting-Li Liu
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Sha-Sha Wang
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - Guang-Hui Zhao
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China.
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da Cunha MJR, Cury MC, Santín M. Molecular characterization of Cryptosporidium spp. in poultry from Brazil. Res Vet Sci 2018; 118:331-335. [PMID: 29605466 DOI: 10.1016/j.rvsc.2018.03.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 03/15/2018] [Accepted: 03/18/2018] [Indexed: 11/29/2022]
Abstract
Cryptosporidiosis is an important zoonotic disease caused by Cryptosporidium. Infections in birds are mainly caused by C. meleagridis, C. baileyi, and C. galli. C. meleagridis is the third most common cause of cryptosporidiosis in humans and the only Cryptosporidium species known to infect both birds and mammals. One hundred and fifty-five fecal specimens from different poultry species (chicken, turkey, ostrich, helmeted guinea fowl, quail, pheasant, and emu) were collected at local markets in the state of Minas Gerais, Brazil. Twenty-three (14.8%) birds (20 chickens, 2 quails, and 1 turkey) were found Cryptosporidium-positive. This constitutes the first report of Cryptosporidium in turkeys from Brazil. Nucleotide sequence analysis identified C. meleagridis in chickens (15), a turkey (1), and a quail (1), C. baileyi in chickens (4) and a quail (1), and a mixed infection C. meleagridis/C. baileyi in a chicken (1). This is the first report of C. meleagridis in turkeys and quails from Brazil. Using the gp60 gene, three subtype families were identified, IIIa, IIIb and IIIg. Within subtype family IIIg, four subtypes were identified in chickens, two novel (IIIgA25G3R1 and IIIgA21G3R1) and two previously reported (IIIgA22G3R1 and IIIgA24G2R1). Within subtype family IIIb two subtypes were identified, IIIbA24G1R1 in a chicken and IIIbA23G1R1 in a quail. A novel subtype in the family IIIa was identified (IIIaA22G3R1) in a turkey. The finding of C. meleagridis subtypes previously identified in humans (IIIgA22G3R1, IIIbA24G1R1 and IIIbA23G1R1) indicates that they can be potentially zoonotic. Further subtyping studies that clarify genetic diversity of C. meleagridis are required to better understand host specificity, source of infection, and transmission dynamics of C. meleagridis.
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Affiliation(s)
- Maria Júlia Rodrigues da Cunha
- Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC-East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA; Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Laboratório de Parasitologia, Av. Pará, 1720, Campus Umuarama, 38400-902 Uberlândia, Minas Gerais, Brazil; CAPES Foundation, Ministry of Education of Brazil Caixa, Postal 250, 70040-020 Brasília, DF, Brazil
| | - Márcia Cristina Cury
- Universidade Federal de Uberlândia, Instituto de Ciências Biomédicas, Laboratório de Parasitologia, Av. Pará, 1720, Campus Umuarama, 38400-902 Uberlândia, Minas Gerais, Brazil
| | - Monica Santín
- Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC-East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA.
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Camargo VDS, Santana BN, Ferrari ED, Nakamura AA, Nagata WB, Nardi ARM, Meireles MV. Detection and molecular characterization of Cryptosporidium spp. in captive canaries (Serinus canaria) using different diagnostic methods. ACTA ACUST UNITED AC 2018; 27:61-66. [PMID: 29641795 DOI: 10.1590/s1984-296120180010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 01/17/2018] [Indexed: 11/21/2022]
Abstract
This study used several diagnostic methods to examine the occurrence of and molecularly characterize Cryptosporidium spp. in captive canaries (Serinus canaria) in southern and southeastern Brazil. A total of 498 fecal samples were purified by centrifugal-flotation using Sheather's solution. Cryptosporidium spp. diagnosis was performed using three diagnostic methods: malachite green negative staining, nested PCR targeting the 18S rRNA gene, followed by sequencing the amplified fragments, and duplex real-time PCR targeting the 18S rRNA specific to detect Cryptosporidium galli and Cryptosporidium avian genotype III. The overall positivity for Cryptosporidium spp. (total samples positive in at least one protocol) from the microscopic analysis, nested PCR and duplex real-time PCR protocol results was 13.3% (66/498). The positivity rates were 2.0% (10/498) and 4.6% (23/498) for Cryptosporidium spp. by microscopy and nested PCR, respectively. Sequencing of 20 samples amplified by nested PCR identified C. galli (3.0%; 15/498), Cryptosporidium avian genotype I (0.8%; 4/498) and Cryptosporidium avium (0.2%; 1/498). Duplex real-time PCR revealed a positivity of 7.8% (39/498) for C. galli and 2.4% (12/498) for avian genotype III. Malachite green negative staining differed significantly from nested PCR in detecting Cryptosporidium spp. Duplex real-time PCR was more sensitive than nested PCR/sequencing for detecting gastric Cryptosporidium in canaries.
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Affiliation(s)
| | - Bruna Nicoleti Santana
- Faculdade de Medicina Veterinária, Universidade Estadual Paulista - UNESP, Araçatuba, SP, Brasil
| | - Elis Domingos Ferrari
- Faculdade de Medicina Veterinária, Universidade Estadual Paulista - UNESP, Araçatuba, SP, Brasil
| | - Alex Akira Nakamura
- Curso de Medicina Veterinária, Faculdades Adamantinenses Integradas, Adamantina, SP, Brasil
| | - Walter Bertequini Nagata
- Faculdade de Medicina Veterinária, Universidade Estadual Paulista - UNESP, Araçatuba, SP, Brasil
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Santana BN, Kurahara B, Nakamura AA, da Silva Camargo V, Ferrari ED, da Silva GS, Nagata WB, Meireles MV. Detection and characterization of Cryptosporidium species and genotypes in three chicken production systems in Brazil using different molecular diagnosis protocols. Prev Vet Med 2018; 151:73-8. [PMID: 29496109 DOI: 10.1016/j.prevetmed.2018.01.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 01/23/2018] [Accepted: 01/26/2018] [Indexed: 11/22/2022]
Abstract
The objective of this study was to determine the occurrence of Cryptosporidium spp. in domestic chickens raised in different chicken production systems in Brazil using three nested PCR protocols. The purification and concentration of oocysts present in 190 fecal samples from chickens raised in extensive, semi-intensive and intensive production systems were accomplished by centrifugal flotation in Sheather's solution and were followed by the extraction of genomic DNA. The detection and molecular characterization of Cryptosporidium species and genotypes were performed using three nested polymerase chain reaction (nested PCR) protocols targeting the 18S rRNA gene followed by sequencing of the amplified fragments. Subgenotyping of C. meleagridis was performed using a nested PCR reaction targeting the gp60 gene. Sample identified as Cryptosporidium sp. genetically similar to Cryptosporidium xiaoi and Cryptosporidium bovis by 18S rRNA gene sequencing were further analyzed by nested PCR targeting the actin gene and subsequent sequencing of the amplified fragment. Positive amplification for Cryptosporidium spp. was observed in 12.6% (24/190) of the samples, including C. baileyi (9.8%; 18/190), C. meleagridis (0.5%, 1/190), C. parvum (2.1%; 4/190) and Cryptosporidium sp. (0.5%; 1/190). Subgenotyping of C. meleagridis revealed the presence of the zoonotic subtype IIIgA23G3R1. Sequencing of the 18S rRNA gene and the actin gene fragments revealed a Cryptosporidium genotype in an extensive poultry system genetically related to C. xiaoi and C. bovis. There was no significant difference in the frequency of positive results obtained by the three nested PCR protocols (p > 0.05); additionally, the agreement obtained by Kappa index ranged from substantial (0.70) to almost perfect (0.9).
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16
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Ferrari ED, Nakamura AA, Nardi ARM, Santana BN, da Silva Camargo V, Nagata WB, Bresciani KDS, Meireles MV. Cryptosporidium spp. in caged exotic psittacines from Brazil: Evaluation of diagnostic methods and molecular characterization. Exp Parasitol 2017; 184:109-114. [PMID: 29247662 DOI: 10.1016/j.exppara.2017.12.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 10/20/2017] [Accepted: 12/11/2017] [Indexed: 10/18/2022]
Abstract
The aim of this study was to evaluate the prevalence of and diagnostic methods for Cryptosporidium spp. in caged adult exotic parrots from Southern and Southeastern Brazil. Oocysts were purified from fecal samples from 463 psittacines by centrifugal-flotation in Sheather's sugar solution. Cryptosporidium spp. were detected by malachite green negative staining and nested PCR targeting the 18S rRNA gene. Cryptosporidium species were identified by sequencing nested PCR amplicons. Samples were also tested by duplex real-time PCR targeting the 18S rRNA gene of Cryptosporidium galli and Cryptosporidium avian genotype III. The prevalence rates of Cryptosporidium spp. determined by microscopy and nested PCR were 3.0% (14/463) and 5.0% (23/463), respectively. The nested PCR/sequencing identified avian genotype III (1.7%; 8/463), Cryptosporidium parvum (0.9%; 4/463) and Cryptosporidium canis (0.2%; 1/463). Duplex real-time PCR was positive for gastric Cryptosporidium in 9.5% (44/463) of the samples. Among them, 1.9% (9/463) were positive for C. galli, 5.8% (27/463) were positive for avian genotype III and 1.7% (8/463) showed mixed infections with C. galli and avian genotype III. With regards to the positive detection of Cryptosporidium spp., there was no statistically significant difference between nested PCR and microscopic analysis (p = .1237), and a fair agreement existed between them (Kappa = 0.242). A statistically significant difference (p < .0001) and fair agreement (Kappa = 0.317) were obtained between nested PCR/sequencing and duplex real-time PCR for the detection of gastric Cryptosporidium. We determined that nested PCR and duplex real-time PCR are the best options for the detection of Cryptosporidium spp. and gastric Cryptosporidium, respectively, and that avian genotype III is the most common Cryptosporidium genotype/species in psittacines.
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Affiliation(s)
- Elis Domingos Ferrari
- Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Araçatuba, Brazil - Clóvis Pestana St., 793 - Dona Amélia, 16050-680, Araçatuba, SP, Brazil.
| | - Alex Akira Nakamura
- Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Araçatuba, Brazil - Clóvis Pestana St., 793 - Dona Amélia, 16050-680, Araçatuba, SP, Brazil.
| | - Ana Rita Moraes Nardi
- Fundação Municipal de Ensino Superior, Bragança Paulista, Brazil - Estevão Diamant St., 210, Penha, 12929-590, Bragança Paulista, SP, Brazil.
| | - Bruna Nicoleti Santana
- Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Araçatuba, Brazil - Clóvis Pestana St., 793 - Dona Amélia, 16050-680, Araçatuba, SP, Brazil.
| | - Vinicius da Silva Camargo
- Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Araçatuba, Brazil - Clóvis Pestana St., 793 - Dona Amélia, 16050-680, Araçatuba, SP, Brazil.
| | - Walter Bertequini Nagata
- Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Araçatuba, Brazil - Clóvis Pestana St., 793 - Dona Amélia, 16050-680, Araçatuba, SP, Brazil.
| | - Katia Denise Saraiva Bresciani
- Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Araçatuba, Brazil - Clóvis Pestana St., 793 - Dona Amélia, 16050-680, Araçatuba, SP, Brazil.
| | - Marcelo Vasconcelos Meireles
- Universidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária, Araçatuba, Brazil - Clóvis Pestana St., 793 - Dona Amélia, 16050-680, Araçatuba, SP, Brazil.
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Oliveira BCM, Nagata WB, Arana DG, Ferreira GC, Sitton HA, de Oliveira MRF, Meireles MV. Cryptosporidium baileyi in wild captive psittacines in Brazil. Vet Parasitol Reg Stud Reports 2017; 10:154-156. [PMID: 31014590 DOI: 10.1016/j.vprsr.2017.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 10/19/2017] [Accepted: 10/20/2017] [Indexed: 10/18/2022]
Abstract
Cryptosporidiosis in birds manifests as an acute or chronic disease of the respiratory or digestive tracts. The objective of our study was to perform the molecular characterization of Cryptosporidium spp. in wild psittacines kept in captivity at the Araçatuba Municipal Zoo, São Paulo, Brazil. A total of 47 fecal samples were collected from Amazona aestiva, Psittacara leucophthalma, and Ara ararauna. All samples were collected at the time the birds defecated. DNA extraction was performed using the ZR Fecal DNA MiniPrep™ kit (Zymo Research). Screening for Cryptosporidium spp. was accomplished using nested PCR targeting the 18S RNA gene and sequencing of amplified fragments. Positivity for Cryptosporidium spp. (10.64%; 5/47) was found in A. ararauna (4) and P. leucophthalma (1) samples. The amplified fragments were sequenced and showed 100% genetic similarity with Cryptosporidium baileyi.
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Affiliation(s)
- Bruno César Miranda Oliveira
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária, Araçatuba, R. Clóvis Pestana 793, Jardim Dona Amélia, Araçatuba, São Paulo 16050-680, Brazil
| | - Walter Bertequini Nagata
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária, Araçatuba, R. Clóvis Pestana 793, Jardim Dona Amélia, Araçatuba, São Paulo 16050-680, Brazil
| | - David Giraldo Arana
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária, Araçatuba, R. Clóvis Pestana 793, Jardim Dona Amélia, Araçatuba, São Paulo 16050-680, Brazil
| | - Gabriela Cortellini Ferreira
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária, Araçatuba, R. Clóvis Pestana 793, Jardim Dona Amélia, Araçatuba, São Paulo 16050-680, Brazil
| | - Heliton Aparecido Sitton
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária, Araçatuba, R. Clóvis Pestana 793, Jardim Dona Amélia, Araçatuba, São Paulo 16050-680, Brazil
| | | | - Marcelo Vasconcelos Meireles
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária, Araçatuba, R. Clóvis Pestana 793, Jardim Dona Amélia, Araçatuba, São Paulo 16050-680, Brazil.
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Elkarim Laatamna A, Holubova N, Sak B, Kvac M. Cryptosporidium meleagridis and C. baileyi (Apicomplexa) in domestic and wild birds in Algeria. Folia Parasitol (Praha) 2017; 64. [PMID: 28620152 DOI: 10.14411/fp.2017.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 06/06/2017] [Indexed: 11/19/2022]
Abstract
A total of 345 faecal samples were collected from domestic, captive and wild birds in rural areas, urban areas and a Zoo in Algeria. Samples were screened for the presence of parasites belonging to the genus Cryptosporidium Tyzzer, 1910 by microscopy and PCR analysis of the small-subunit rRNA (SSU), actin and 60-kDa glycoprotein (gp60) genes. Cryptosporidium spp. were detected in 31 samples. Sequence analysis of SSU and actin genes revealed the presence of C. baileyi Current, Upton et Haynes, 1986 in domestic chicken broilers (n = 12), captive ostriches (n = 4) and a wild mallard (n = 1), and C. meleagridis Slavin, 1955 in a graylag goose (n = 1), chickens (n = 11) and turkeys (n = 2). Twenty-three chicken and two turkey broilers from five farms were positive for cryptosporidia, with an overall prevalence of 2% and 6%, respectively. Both C. meleagridis and C. baileyi were detected in farmed chicken broilers, with a prevalence ranging from 9% to 69%. Farmed turkeys broilers were positive only for C. meleagridis, with a 13% prevalence at the animal level. Subtyping of C. meleagridis isolates at the gp60 locus showed the presence of subtype IIIgA22G3R1 in graylag goose and chicken broilers and IIIgA23G2R1 in chicken and turkey broilers. Infection with cryptosporidia was not associated with any clinical diseases. The results of the present study, which provides the first data on the prevalence of Cryptosporidium spp. in wild birds in Africa, demonstrate the presence of human pathogenic C. meleagridis in both domestic and wild birds in Algeria.
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Affiliation(s)
- Abd Elkarim Laatamna
- Faculty of Natural Sciences and Life, University of Djelfa, Moudjbara, Djelfa, Algeria
| | - Nikola Holubova
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Ceske Budejovice, Czech Republic.,Faculty of Agriculture, University of South Bohemia, Ceske Budejovice, Czech Republic
| | - Bohumil Sak
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Ceske Budejovice, Czech Republic
| | - Martin Kvac
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Ceske Budejovice, Czech Republic.,Faculty of Agriculture, University of South Bohemia, Ceske Budejovice, Czech Republic
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Nakagun S, Horiuchi N, Sugimoto M, Tomikawa S, Watanabe K, Kobayashi Y. Proventriculitis Associated with Cryptosporidium baileyi in a Snowy Owl (Bubo scandiacus) and Its Epidemiological Investigation. J Parasitol 2017; 103:451-457. [PMID: 28528556 DOI: 10.1645/17-54] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
We describe an unusual case of proventriculitis associated with Cryptosporidium baileyi in a 7-wk-old snowy owl (Bubo scandiacus) chick kept at a zoo. Necropsy of this animal revealed diffuse mucosal thickening of the proventriculus. Subsequent histopathological examinations of the proventriculus showed marked ductal epithelial hyperplasia with intestinal metaplasia and severe inflammatory cell infiltration in the lamina propria and submucosa. These lesions were associated with numerous periodic-acid-Schiff-positive cryptosporidia-like protozoan parasites. Moreover, oocysts found within the lamina propria had a noticeably thicker wall and displayed Ziehl-Neelsen-positive test results. PCR sequencing analyses of the 18S rDNA, actin, and 70 kDa heat shock protein gene loci identified the protozoan to be C. baileyi, of which two novel sets of primers were designed for use with formalin-fixed paraffin-embedded tissue. An epidemiological survey was carried out at the zoo to investigate the source of infection, but all owl species surveyed proved negative for cryptosporidiosis. It is most likely that small animal vectors such as wild birds or rodents were responsible for this particular lethal case. This is the first report of C. baileyi associated with proventriculitis and also the first report of cryptosporidiosis in a raptor species in Asia.
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Affiliation(s)
- Shotaro Nakagun
- Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan
| | - Noriyuki Horiuchi
- Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan
| | - Miki Sugimoto
- Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan
| | - Sohei Tomikawa
- Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan
| | - Kenichi Watanabe
- Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan
| | - Yoshiyasu Kobayashi
- Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan
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Abstract
Abstract
Background
Cryptosporidiosis is a zoonotic disease caused by the important parasitic diarrheal agent Cryptosporidium spp. Cryptosporidiosis occurs in all classes of animals and man with a rapidly expanding host range and increased importance since the occurrence of human immunodeficiency virus/acquired immunodeficiency syndrome in man.
Objectives
To review the global picture of cryptosporidiosis in man and animals with emphasis on prevalence and risk factors.
Methods
Current relevant literature on cryptosporidiosis was reviewed.
Results
Cryptosporidiosis is widely distributed and the risk factors vary from one region to another with hygiene and immune status as important risk factors.
Conclusions
Cryptosporidium spp. associated mortality has not only been reported in immune-compromised patients, but also in immune-competent patients. Yet in many countries not much attention is paid to the control and prevention of this infection in animals and man. The neglect of this disease despite the serious threat it poses to animals, their husbandry, and humans, has led the World Health Organization to list it among globally neglected diseases. To control and prevent this infection more effort needs to be directed at controlling the risk factors of the infection in man and animals.
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Affiliation(s)
- Pwaveno Huladeino Bamaiyi
- Faculty of Veterinary Medicine , Universiti Malaysia Kelantan , Kelantan 16100 , Malaysia
- Department of Public Health , School of Allied Health Sciences , Kampala International University , Kampala Uganda
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da Cunha MJR, Cury MC, Santín M. Molecular identification of Enterocytozoon bieneusi, Cryptosporidium, and Giardia in Brazilian captive birds. Parasitol Res 2016; 116:487-493. [PMID: 27815734 DOI: 10.1007/s00436-016-5309-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 10/21/2016] [Indexed: 11/26/2022]
Abstract
A total of 85 fecal samples from captive birds collected from October 2013 to September 2014 in Uberlândia and Belo Horizonte in the state of Minas Gerais (Brazil) were evaluated for the presence of Enterocytozoon bieneusi, Cryptosporidium, and Giardia by PCR. Of these, three birds were found positive for E. bieneusi (3.5%), two for Cryptosporidium (2.3%), and one for Giardia (1.2%). Two genotypes of E. bieneusi were detected by nucleotide sequence analysis of the ITS region, genotypes D and Peru 6 in a swan goose and in two rock pigeons, respectively. For Cryptosporidium and Giardia, nucleotide sequence analysis of the SSU rRNA identified Cryptosporidium baileyi and Duck genotype in a swan goose and a mandarin duck, respectively, and Giardia duodenalis assemblage A in a toco toucon. Our results demonstrate that human-pathogenic E. bieneusi genotypes D and Peru6 and G. duodenalis assemblage A are present in captive birds in Brazil, corroborating their potential role as a source of human infection and environmental contamination.
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Affiliation(s)
- Maria Júlia Rodrigues da Cunha
- US Department of Agriculture, Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, Building 173, BARC-East, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA
- Instituto de Ciências Biomédicas, Laboratório de Parasitologia, Universidade Federal de Uberlândia, Av. Pará, 1720, Campus Umuarama, 38400-902, Uberlândia, Minas Gerais, Brasil
- CAPES Foundation, Ministry of Education of Brazil, Caixa Postal 250, 70040-020, Brasília, DF, Brazil
| | - Márcia Cristina Cury
- Instituto de Ciências Biomédicas, Laboratório de Parasitologia, Universidade Federal de Uberlândia, Av. Pará, 1720, Campus Umuarama, 38400-902, Uberlândia, Minas Gerais, Brasil
| | - Mónica Santín
- US Department of Agriculture, Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, Building 173, BARC-East, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA.
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