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Rzeżutka A, Kaupke A. Cryptosporidium infections in asymptomatic calves up to 4 months in Poland: a cross-sectional population study. Sci Rep 2023; 13:20997. [PMID: 38017032 PMCID: PMC10684609 DOI: 10.1038/s41598-023-47810-5] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 11/18/2023] [Indexed: 11/30/2023] Open
Abstract
Cattle cryptosporidiosis is noted worldwide with varied frequency of infection prevalence depending on geographical, environmental and husbandry factors. In this study, the prevalence of Cryptosporidium infections in cattle was determined on the basis of molecular results obtained by testing 1601 faecal samples collected from calves up to 4 months of age housed in all Polish provinces from 2014 to 2018. Detection and identification of Cryptosporidium species was performed at the 18 small subunit ribosomal RNA (18S rRNA) locus by conducting PCR-RFLP analysis of the amplified DNA fragments. The prevalence of Cryptosporidium infections in the cattle population was 45.3% (CI 95%: 42.8-47.7; 725/1601). The infected animals were housed on 233/267 (87.3%) of monitored farms with regional prevalence ranging from 27.8 to 62%. The restriction pattern of 18S rRNA amplicons for positive samples was characteristic of C. parvum, C. bovis, C. ryanae, C. andersoni, and unexpectedly also of C. baileyi and C. suis. Infections of C. bovis and C. ryanae prevailed in the studied cattle population relegating C. parvum to third in prevalence. Likewise, mixed infections caused by C. bovis and C. ryanae as well as C. parvum and C. bovis were observed. A relationship between the infecting parasite species and animal breed was found. For instance, C. parvum prevailed in Black and White lowland breed, C. ryanae in Limousine cattle and C. andersoni in dairy animals of mixed dairy breeds. Furthermore, differences in prevalence of particular parasite species between cattle breeds were also shown.
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Affiliation(s)
- Artur Rzeżutka
- Department of Food and Environmental Virology, National Veterinary Research Institute, Al. Partyzantów 57, 24-100, Puławy, Poland.
| | - Agnieszka Kaupke
- Department of Food and Environmental Virology, National Veterinary Research Institute, Al. Partyzantów 57, 24-100, Puławy, Poland
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Klotz C, Sannella AR, Weisz F, Chaudhry U, Sroka J, Tůmová P, Nohýnková E, Ignatius R, Aebischer T, Betson M, Troell K, Cacciò SM. Extensive testing of a multi-locus sequence typing scheme for Giardia duodenalis assemblage A confirms its good discriminatory power. Parasit Vectors 2022; 15:489. [PMID: 36572928 PMCID: PMC9791779 DOI: 10.1186/s13071-022-05615-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/08/2022] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND The flagellated parasite Giardia duodenalis is a major and global cause of diarrhoeal disease. Eight genetically very distinct groups, known as assemblages A to H, have been recognized in the G. duodenalis species complex, two of which (assemblages A and B) infect humans and other mammalian hosts. Informative typing schemes are essential to understand transmission pathways, characterize outbreaks and trace zoonotic transmission. In this study, we evaluated a published multi-locus sequence typing (MLST) scheme for G. duodenalis assemblage A, which is based on six polymorphic markers. METHODS We genotyped 60 human-derived and 11 animal-derived G. duodenalis isolates collected in Europe and on other continents based on the published protocol. After retrieving previously published genotyping data and excluding isolates whose sequences showed allelic sequence heterozygosity, we analysed a dataset comprising 146 isolates. RESULTS We identified novel variants at five of the six markers and identified 78 distinct MLST types in the overall dataset. Phylogenetic interpretation of typing data confirmed that sub-assemblage AII only comprises human-derived isolates, whereas sub-assemblage AI comprises all animal-derived isolates and a few human-derived isolates, suggesting limited zoonotic transmission. Within sub-assemblage AII, isolates from two outbreaks, which occurred in Sweden and Italy, respectively, had unique and distinct MLST types. Population genetic analysis showed a lack of clustering by geographical origin of the isolates. CONCLUSION The MLST scheme evaluated provides sufficient discriminatory power for epidemiological studies of G. duodenalis assemblage A.
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Affiliation(s)
- Christian Klotz
- grid.13652.330000 0001 0940 3744Department of Infectious Diseases, Unit for Mycotic and Parasitic Agents and Mycobacteria, Robert Koch Institute, Berlin, Germany
| | - Anna Rosa Sannella
- grid.416651.10000 0000 9120 6856Department of Infectious Diseases, Istituto Superiore Di Sanità, Rome, Italy
| | - Filip Weisz
- grid.4491.80000 0004 1937 116XInstitute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Umer Chaudhry
- grid.5475.30000 0004 0407 4824Department of Comparative Biomedical Sciences, School of Veterinary Medicine, University of Surrey, Guildford, UK
| | - Jacek Sroka
- grid.419811.4Department of Parasitology and Invasive Diseases, National Veterinary Research Institute in Pulawy, Pulawy, Poland
| | - Pavla Tůmová
- grid.4491.80000 0004 1937 116XInstitute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Eva Nohýnková
- grid.4491.80000 0004 1937 116XInstitute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Ralf Ignatius
- Medizinisches Versorgungszentrum Labor 28 GmbH (MVZ Labor 28 GmbH), Mecklenburgische Str. 28, 14197 Berlin, Germany ,grid.6363.00000 0001 2218 4662Institute of Microbiology, Infectious Diseases and Immunology, Charité-University Medicine Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12200 Berlin, Germany
| | - Toni Aebischer
- grid.13652.330000 0001 0940 3744Department of Infectious Diseases, Unit for Mycotic and Parasitic Agents and Mycobacteria, Robert Koch Institute, Berlin, Germany
| | - Martha Betson
- grid.5475.30000 0004 0407 4824Department of Comparative Biomedical Sciences, School of Veterinary Medicine, University of Surrey, Guildford, UK
| | - Karin Troell
- grid.419788.b0000 0001 2166 9211National Veterinary Institute, Uppsala, Sweden ,grid.8993.b0000 0004 1936 9457Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Simone M. Cacciò
- grid.416651.10000 0000 9120 6856Department of Infectious Diseases, Istituto Superiore Di Sanità, Rome, Italy
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Kaupke A, Rzeżutka A. Population genetics of Cryptosporidium parvum subtypes in cattle in Poland: the geographical change of strain prevalence and circulation over time. BMC Vet Res 2022; 18:263. [PMID: 35794543 PMCID: PMC9258080 DOI: 10.1186/s12917-022-03328-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 05/30/2022] [Indexed: 11/10/2022] Open
Abstract
Background Cryptosporidium parvum (C. parvum) is a cosmopolitan parasite that infects various livestock animals including cattle. Microsatellite typing tools for identification of C. parvum subtypes are currently employed to better understand the species-specific epidemiology of cattle cryptosporidiosis. The aim of this study was to analyse the population genetics of C. parvum strains infecting cattle and recognise geographical distribution and time-span correlations in subtype prevalence in Poland. In total, 1601 faecal samples were collected from 2014 to 2018 from healthy cattle from dairy, meat and mixed breeds at the age of 1 week to 4 months. The 267 farms visited were randomly selected and represented all Polish provinces. PCR–RFLP based identification of C. parvum at the 18 small subunit ribosomal RNA (SSU rRNA) locus was performed, followed by strain subtyping by GP60-PCR. Results The overall prevalence of C. parvum in Polish cattle was estimated at 6.2% (100/1601). Animals below the age of 1 month were the major host for this parasite. Excluding one breed, that of dairy-meat mixed, there were no significant differences observed between breed and presence of C. parvum infections (95% TPIAll breeds: 1.67–73.53%; POPR = 0.05—0.95). Infected animals were detected in 15 out of 16 Polish provinces, with significant regional prevalence diffrences (Kruskal–Wallis rank sum test, Kruskal–Wallis χ2 = 13.46, p < 0.001). When the population genetics of C. parvum strains were analysed, 11 parasite subtypes from the IIa and IId genetic families were identified. Compared to other parasite strains, IIaA17G1R1 and IIaA17G2R1 appeared at statistically significantly higher frequency (F-test, F = 3.39; p = 0.0003). The prevalence of C. parvum subtypes in cattle was breed-related (Chi-squared test, χ2 = 143.6; p < 0.001). Conclusions The analysis of the population genetics of C. parvum subtypes showed that strains from the IIa subtype family predominated in the tested cattle population. However, relations in changes of subtype prevalence and circulation over time were observed. They were associated with the disappearance of some strains and emergence of new variants from the same genetic family in different geographical locations. C. parvum subtypes from the IIa allele family predominated in the tested cattle. The prevalence of C. parvum subtypes in cattle was breed-related. Dynamicity in the population C. parvum strains circulating in cattle was shown.
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Peng H, Tang L, Wu C, Li J, Tao L, Li C, Chen Z, Xie Y. Recombinant Expression And Indirect ELISA For COWP And HSP70 Proteins From Cryptosporidium andersoni. Acta Trop 2021; 214:105767. [PMID: 33245908 DOI: 10.1016/j.actatropica.2020.105767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/13/2020] [Accepted: 11/17/2020] [Indexed: 10/22/2022]
Abstract
Cryptosporidium spp. infect cattle at a high rates, and reduce milk production. Cryptosporidiosis has caused economic losses for the dairy industry. Studies in Western countries have shown that Cryptosporidium can also infect humans. Therefore, the development of methods for the early detection of Cryptosporidium is an important public health objective. Total RNA isolated from C. andersoni was used as template for generating cDNA encoding the COWP and HSP70 proteins. The recombinant plasmid, pET-32a(+)-COWP-HSP70, was constructed by double digestion and subcloning. The expression of the three recombinant proteins was induced in Escherichia coli BL21 using isopropyl-β-D-thiogalactopyranoside. The antigenicity of the recombinant proteins was examined using western blotting and indirect ELISA. The identities of the COWP fusion protein (CFP), HSP70 fusion protein (HFP), and COWP-HSP70 fusion protein (CHFP) were confirmed by BLAST searches of known sequences in GenBank respectively. The ELISA and western blot analyses indicated that all three of the proteins were highly immunogenic and antigenic. An indirect ELISA method was developed using the three recombinant proteins as coating antigens for the analysis of 40 clinical samples. The results showed that CHFP was the best candidate antigen for clinical testing, with a detection rate of 100%, compared with general parasitological screening. Above of all, the recombinant CHFP protein represents the best candidate antigen among three ones for detecting anti-Cryptosporidium antibodies in clinical samples. The development of the indirect ELISA lays the foundation for further research in immunodiagnosis and disease prevention of cryptosporidiosis.
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Rzeżutka A, Kaupke A, Gorzkowski B. Detection of Cryptosporidium parvum in a Red-Eared Slider Turtle (Trachemys scripta elegans), a Noted Invasive Alien Species, Captured in a Rural Aquatic Ecosystem in Eastern Poland. Acta Parasitol 2020; 65:768-73. [PMID: 32141020 DOI: 10.2478/s11686-020-00180-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [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: 07/23/2019] [Accepted: 02/06/2020] [Indexed: 12/05/2022]
Abstract
Purpose Little is known about cryptosporidiosis in turtles of invasive alien species (IAS) inhabiting European bodies of fresh water. In this article, we report an occurrence of Cryptosporidium parvum in a red-eared slider turtle (Trachemys scripta elegans) captured in a rural aquatic ecosystem in eastern Poland.
Methods A pair of samples consisting of feces and scrapings of intestinal mucosa (taken during necropsy) were collected from 104 animals representing the four IAS turtle species red-eared slider, yellow-bellied slider, false map and Cumberland slider. The animals were trapped in running and standing freshwater ecosystems across the Lublin province. Parasite genomic DNA was extracted from samples using a modified alkali wash and a heat-lysis method and identification of the Cryptosporidium species was performed at the 18SSU rRNA and COWP loci. Results The presence of Cryptosporidium DNA was only detected in one sample of intestinal scraping collected from a red-eared slider. A phylogenetic analysis of a 18SSU rRNA gene fragment showed 100% sequence identity between the C. parvum strain isolated from the turtle and other C. parvum strains previously detected in cattle from the Lublin province. Conclusions There was no clinical evidence that the red-eared slider turtle was truly infected rather than being merely a mechanical parasite carrier. Sporadic detection of this protozoan parasite in the studied population of IAS turtles could be associated with low natural occurrence of Cryptosporidium infections in this animal species. The results provide evidence for possible transmission of zoonotic Cryptosporidium species by IAS turtles.
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Kaupke A, Rzeżutka A. Emergence of novel subtypes of Cryptosporidium parvum in calves in Poland. Parasitol Res 2015; 114:4709-16. [DOI: 10.1007/s00436-015-4719-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 08/28/2015] [Indexed: 10/23/2022]
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Rzeżutka A, Kaupke A. Occurrence and molecular identification of Cryptosporidium species isolated from cattle in Poland. Vet Parasitol 2013; 196:301-6. [PMID: 23566407 DOI: 10.1016/j.vetpar.2013.03.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [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: 07/06/2012] [Revised: 03/06/2013] [Accepted: 03/12/2013] [Indexed: 10/27/2022]
Abstract
Cryptosporidiosis is a disease reported in both humans and animals and is caused by a protozoan parasite Cryptosporidium. In most cases calves are infected by different Cryptosporidium species adapted to this animal host. Most infections are subclinical; however in some cases the watery diarrhea appears. The rapid development of new molecular diagnostic tools has provided an opportunity for better recognition of Cryptosporidium species and genotypes isolated from infected hosts. The aim of this study was an assessment of the prevalence of Cryptosporidium species in cattle herds in Poland. In total, 700 cattle fecal samples were tested. The examined cattle were at the age of 1 day to 6 years old. Overall 194 farms were monitored for parasite presence. Cryptosporidium detection in animal feces was performed using only molecular methods. Species identity of oocyst-positive samples were defined on the basis of PCR-RFLP and nucleotide sequence analysis of the amplified 18 SSU rRNA and COWP gene fragments. Cryptosporidium oocysts were detected in 119 (17%) of cattle feces. Most of the positive feces 55 (19.7%) were derived from young animals at the age of 1-4 weeks. The tested samples were positive for Cryptosporidium bovis, Cryptosporidium parvum, Cryptosporidium andersoni, and Cryptosporidium ryanae. C. parvum was not the most frequently detected parasite species, but calves below the age of 1 month were the major host for this parasite. The overall prevalence of C. parvum in Polish cattle herds was estimated at 5.1%. C. andersoni was the only species occurring in adult calves. The infected animals were housed in 67 (34.5%) of the monitored homesteads. Although C. bovis and C. ryanae were previously detected in cattle populations in many countries, this is the first report describing their presence in Polish cattle. Moreover, this is the first report on the prevalence of Cryptosporidium species in Polish cattle herds.
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Affiliation(s)
- Artur Rzeżutka
- Department of Food and Environmental Virology, National Veterinary Research Institute, Al. Partyzantów 57, 24-100 Puławy, Poland.
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Jex AR, Smith HV, Monis PT, Campbell BE, Gasser RB. Cryptosporidium--biotechnological advances in the detection, diagnosis and analysis of genetic variation. Biotechnol Adv 2008; 26:304-17. [PMID: 18430539 DOI: 10.1016/j.biotechadv.2008.02.003] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2007] [Revised: 01/29/2008] [Accepted: 02/14/2008] [Indexed: 11/19/2022]
Abstract
Cryptosporidiosis is predominantly a gastrointestinal disease of humans and other animals, caused by various species of protozoan parasites representing the genus Cryptosporidium. This disease, transmitted mainly via the faecal-oral route (in water or food), is of major socioeconomic importance worldwide. The diagnosis and genetic characterization of the different species and population variants (usually recognised as "genotypes" or "subgenotypes") of Cryptosporidium is central to the prevention, surveillance and control of cryptosporidiosis, particularly given that there is presently no broadly applicable treatment regimen for this disease. Although traditional phenotypic techniques have had major limitations in the specific diagnosis of cryptosporidiosis, there have been major advances in the development of molecular analytical and diagnostic tools. This article provides a concise account of Cryptosporidium and cryptosporidiosis, and focuses mainly on recent advances in nucleic acid-based approaches for the diagnosis of cryptosporidiosis and analysis of genetic variation within and among species of Cryptosporidium. These advances represent a significant step toward an improved understanding of the epidemiology as well as the prevention and control of cryptosporidiosis.
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Affiliation(s)
- A R Jex
- Department of Veterinary Science, The University of Melbourne, Werribee, Victoria, Australia.
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Abstract
The objective of this study was to compare a polymerase chain reaction (PCR) assay and a monoclonal antibody-based immunofluorescence assay (IFA) for detection of Cryptosporidium parvum in cat feces. Eight C. parvum-naive DSH cats were orally inoculated with 1 x 10(6) oocysts of a C. parvum human isolate. Fecal samples were collected before inoculation, daily for the next 30 days, and twice weekly until day 85. Methylprednisolone acetate was administered at 20 mg/kg i.m. on days 85, 92, and 99. From days 86 to 115, feces were collected daily and then up to twice weekly until day 126. Immunofluorescence assay was performed after collection of the samples, and then the samples were frozen at -70 C until assayed by PCR. Cryptosporidium parvum was detected by PCR in 101 of 353 samples and by IFA in 52 of 353 samples: 27 samples were PCR positive, IFA positive; 74 samples were PCR positive, IFA negative; 25 samples were PCR negative, IFA positive; and 227 samples were PCR negative, IFA negative. The percentage of concordance between IFA and PCR was 72%. Results of this study suggest that this PCR assay is more sensitive than IFA for detection of C. parvum in cat feces.
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Affiliation(s)
- A V Scorza
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado 80523, USA.
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