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Bellinzona G, Nardi T, Castelli M, Batisti Biffignandi G, Adjou K, Betson M, Blanchard Y, Bujila I, Chalmers R, Davidson R, D'Avino N, Enbom T, Gomes J, Karadjian G, Klotz C, Östlund E, Plutzer J, Rimhanen-Finne R, Robinson G, Sannella AR, Sroka J, Stensvold CR, Troell K, Vatta P, Zalewska B, Bandi C, Sassera D, Cacciò SM. Comparative genomics of Cryptosporidium parvum reveals the emergence of an outbreak-associated population in Europe and its spread to the United States. Genome Res 2024; 34:877-887. [PMID: 38977307 DOI: 10.1101/gr.278830.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 06/05/2024] [Indexed: 07/10/2024]
Abstract
The zoonotic parasite Cryptosporidium parvum is a global cause of gastrointestinal disease in humans and ruminants. Sequence analysis of the highly polymorphic gp60 gene enabled the classification of C. parvum isolates into multiple groups (e.g., IIa, IIc, Id) and a large number of subtypes. In Europe, subtype IIaA15G2R1 is largely predominant and has been associated with many water- and food-borne outbreaks. In this study, we generated new whole-genome sequence (WGS) data from 123 human- and ruminant-derived isolates collected in 13 European countries and included other available WGS data from Europe, Egypt, China, and the United States (n = 72) in the largest comparative genomics study to date. We applied rigorous filters to exclude mixed infections and analyzed a data set from 141 isolates from the zoonotic groups IIa (n = 119) and IId (n = 22). Based on 28,047 high-quality, biallelic genomic SNPs, we identified three distinct and strongly supported populations: Isolates from China (IId) and Egypt (IIa and IId) formed population 1; a minority of European isolates (IIa and IId) formed population 2; and the majority of European (IIa, including all IIaA15G2R1 isolates) and all isolates from the United States (IIa) clustered in population 3. Based on analyses of the population structure, population genetics, and recombination, we show that population 3 has recently emerged and expanded throughout Europe to then, possibly from the United Kingdom, reach the United States, where it also expanded. The reason(s) for the successful spread of population 3 remain elusive, although genes under selective pressure uniquely in this population were identified.
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Affiliation(s)
- Greta Bellinzona
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy
| | - Tiago Nardi
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy
| | - Michele Castelli
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy
| | | | - Karim Adjou
- UMR BIPAR, Anses, Laboratoire de Santé Animale, INRAE, École Nationale Vétérinaire d'Alfort, 94700 Maisons-Alfort, France
| | - Martha Betson
- Department of Comparative Biomedical Sciences, School of Veterinary Medicine, University of Surrey, Guildford GU2 7AL, United Kingdom
| | - Yannick Blanchard
- Viral Genetics and Biosecurity Unit (GVB), French Agency for Food, Environmental and Occupational Health Safety (ANSES), 22440 Ploufragan, France
| | - Ioana Bujila
- Department of Microbiology, Public Health Agency of Sweden, SE-171 82 Solna, Sweden
| | - Rachel Chalmers
- Cryptosporidium Reference Unit, Public Health Wales, Swansea SA2 8QA, United Kingdom
- Swansea Medical School, Swansea University, Swansea SA2 8PP, United Kingdom
| | | | - Nicoletta D'Avino
- Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche, 06126 Perugia, Italy
| | - Tuulia Enbom
- Animal Health Diagnostic Unit, Finnish Food Authority, FI-70210 Kuopio, Finland
| | - Jacinto Gomes
- National Institute for Agricultural and Veterinary Research, 1300 Lisbon, Portugal
| | - Gregory Karadjian
- UMR BIPAR, Anses, Laboratoire de Santé Animale, INRAE, École Nationale Vétérinaire d'Alfort, 94700 Maisons-Alfort, France
| | - Christian Klotz
- Department of Infectious Diseases, Robert Koch Institute, 13353 Berlin, Germany
| | - Emma Östlund
- Swedish Veterinary Agency, SE-751 89 Uppsala, Sweden
| | - Judith Plutzer
- National Institute for Public Education, Budapest, 1007, Hungary
| | | | - Guy Robinson
- Cryptosporidium Reference Unit, Public Health Wales, Swansea SA2 8QA, United Kingdom
- Swansea Medical School, Swansea University, Swansea SA2 8PP, United Kingdom
| | - Anna Rosa Sannella
- Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Jacek Sroka
- Department of Parasitology and Invasive Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland
| | | | - Karin Troell
- Swedish Veterinary Agency, SE-751 89 Uppsala, Sweden
| | - Paolo Vatta
- Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Barbora Zalewska
- Veterinary Research Institute, Department of Food and Feed Safety, 621 00 Brno, Czech Republic
| | - Claudio Bandi
- Department of Biosciences, University of Milan, 20133 Milan, Italy
| | - Davide Sassera
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy;
- IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy
| | - Simone M Cacciò
- Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy;
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Alsulami MN, El-Wakil ES. Green Synthesis of Chitosan/Silver Nanoparticles Using Citrus paradisi Extract and Its Potential Anti-Cryptosporidiosis Effect. Pharmaceutics 2024; 16:968. [PMID: 39065665 PMCID: PMC11279850 DOI: 10.3390/pharmaceutics16070968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 07/28/2024] Open
Abstract
Cryptosporidium parvum (C. parvum) is one of the most prevalent species infecting humans and animals. Currently, the only FDA-licensed drug to treat cryptosporidiosis is nitazoxanide (NTZ), with no efficacy in immunocompromised hosts. Citrus paradisi (C. paradisi) has demonstrated anti-protozoal activities. This study aimed to investigate the anti-cryptosporidiosis effect of C. paradisi peel extract, either alone or in mediating the green synthesis of chitosan silver nanoparticles (Cs/Ag NPs), compared to NTZ. Mice were sorted into nine different groups. The effectiveness of the treatments was evaluated using parasitology, histopathology, immunohistochemistry, and immunology. C. paradisi outperformed nitazoxanide regarding oocyst shedding (79% vs. 61%). The effectiveness of NTZ Cs/Ag NPs and Citrus Cs/Ag NPs was enhanced to 78% and 91%, respectively. The highest oocyst inhibition was obtained by combining NTZ and Citrus Cs/Ag NPs (96%). NF-κB, TNF-α, and Il-10 levels increased in response to infection and decreased in response to various treatments, with the highest reduction in the group treated with combined NTZ citrus Cs/Ag NPs. Combining C. paradisi with NTZ could have a synergistic effect, making it a potentially effective anti-cryptosporidiosis agent. Utilizing C. paradisi in the green synthesis of Cs/Ag NPs improves the therapeutic response and can be used to produce novel therapeutic antiparasitic drugs.
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Affiliation(s)
- Muslimah N. Alsulami
- Department of Biology, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia;
| | - Eman S. El-Wakil
- Department of Parasitology, Theodor Bilharz Research Institute, Kornaish El-Nile, Warrak El-Hadar, Imbaba (P.O. 30), Giza 12411, Egypt
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Mwaba F, Robertson LJ, Tembo R, Zulu M, Ngalamika O, Phiri AM, Siwila J. Occurrence and factors associated with Cryptosporidium infection in livestock in three districts of Zambia. Vet Parasitol Reg Stud Reports 2024; 52:101057. [PMID: 38880570 DOI: 10.1016/j.vprsr.2024.101057] [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: 12/18/2023] [Revised: 05/23/2024] [Accepted: 06/01/2024] [Indexed: 06/18/2024]
Abstract
Cryptosporidium is one of the most important enteric diarrhoeal parasites that infect humans and animals worldwide. The current study investigated the occurrence and risk factors associated with Cryptosporidium infection in ruminants aged ≤6 months in Monze, Mumbwa, and Lusaka districts of Zambia. Faecal samples were collected from 328 calves, 190 lambs, and 245 goat kids and analysed for Cryptosporidium oocysts using modified Ziehl Neelsen staining. A closed structured questionnaire was used to obtain epidemiological characteristics and potential risk factors for Cryptosporidium infection. The overall occurrence of Cryptosporidium was 7.9% (60/763), while that in calves, lambs and goat kids was 14.5% (47/328), 5.3% (10/190), and 1.2% (3/245) respectively. Watery/pasty stool and sampling during the rainy season were independently associated with increased risk of infection. In calves, the odds of infection increased during the rainy season, while daily kraal cleaning reduced the infection risk. Lambs showed increased odds of infection with pasty/watery stool and male sex, whereas the wearing of protective clothing by handlers significantly reduced the risk. There were district variations in infection occurrence with Mumbwa district having higher prevalence. The findings of this study show that livestock in Zambia continue to be frequently infected with Cryptosporidium. Protective measures and appropriate farm cleanliness should be implemented in control of this infection. Regional and host-species-specific variations emphasize the need for targeted interventions. These findings, therefore, contribute to effective strategies for Cryptosporidium control, promoting good livestock health and management.
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Affiliation(s)
- Florence Mwaba
- Department of Pathology and Microbiology, School of Medicine, University of Zambia, P. O. Box 32379, Lusaka, Zambia; Department of Clinical Studies, School of Veterinary Medicine, University of Zambia, P. O. Box 32379, Lusaka, Zambia; Africa Centre of Excellence for Infectious Diseases of Humans and Animals, University of Zambia, Lusaka, Zambia.
| | - Lucy J Robertson
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, P. O. Box 5003, Ås 1432, Norway
| | - Rabecca Tembo
- Department of Pathology and Microbiology, School of Medicine, University of Zambia, P. O. Box 32379, Lusaka, Zambia; Africa Centre of Excellence for Infectious Diseases of Humans and Animals, University of Zambia, Lusaka, Zambia
| | - Mildred Zulu
- Department of Pathology and Microbiology, School of Medicine, University of Zambia, P. O. Box 32379, Lusaka, Zambia; Africa Centre of Excellence for Infectious Diseases of Humans and Animals, University of Zambia, Lusaka, Zambia
| | - Owen Ngalamika
- School of Medicine, University of Zambia, P. O. Box 32379, Lusaka, Zambia
| | - Andrew M Phiri
- Department of Clinical Studies, School of Veterinary Medicine, University of Zambia, P. O. Box 32379, Lusaka, Zambia; Africa Centre of Excellence for Infectious Diseases of Humans and Animals, University of Zambia, Lusaka, Zambia
| | - Joyce Siwila
- Department of Clinical Studies, School of Veterinary Medicine, University of Zambia, P. O. Box 32379, Lusaka, Zambia
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Mi R, Silayi A, Wang Y, Xia C, Tang W, Gong H, Huang Y, Zhang Y, Yan G, Chen Z. Molecular characterization of Cryptosporidium spp. in Bactrian camels ( Camelus bactrianus) from Yili Kazak Autonomous Prefecture of Xinjiang, China. Front Vet Sci 2024; 11:1411377. [PMID: 38915888 PMCID: PMC11195013 DOI: 10.3389/fvets.2024.1411377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 05/02/2024] [Indexed: 06/26/2024] Open
Abstract
Introduction Cryptosporidium spp. is a significant zoonotic parasite. The prevalence and infection characteristics of Cryptosporidium spp. in Bactrian camels in Yili Kazak Autonomous Prefecture have yet to be fully understood. Thus, the molecular epidemiology of cryptosporidiosis in camels was investigated in this region. Methods A total of 1,455 fecal samples were collected from 6 counties in three regions (Altay, Tacheng, and Yili) in Yili Prefecture. Nested PCR targeting the small subunit ribosomal RNA (ssu rRNA) gene was used to identify the species or genotypes of Cryptosporidium infection in camels. For C. parvum positive samples, the subtypes were identified using the 60-kDa glycoprotein (gp60) gene. Results and discussion The overall infection rate was 8.7% (126/1,455), ranging from 5.6% to 11.7% in different regions, and 4.2% to 15.8% in different counties. A significant difference was observed amongst the counties (p < 0.001). Three species were detected, namely C. andersoni (65.1%, 82/126), C. parvum (34.1%, 43/126), and C. occultus (0.8%, 1/126). Three C. parvum subtypes, If-like-A15G2 (n = 29), IIdA15G1 (n = 4), and IIdA19G1(n = 1) were detected, with If-like-A15G2 being the most prevalent subtype. Camels aged 3-12 months exhibited the highest infection rate (11.4%, 44/387), with no significant difference among age groups (p > 0.05). C. parvum was predominant in camels under 3 months, while C. andersoni prevailed in camels over 3 months. There was an extremely significant difference observed among seasons (p < 0.001), summer had the highest infection rates (16.9%, 61/360). This study collected nearly 1,500 samples and, for the first time, investigated Cryptosporidium spp. infection in camels based on different age groups and seasons. All three Cryptosporidiumspecies identified were zoonotic, posing a potential threat to human health and requiring close attention.
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Affiliation(s)
- Rongsheng Mi
- College of Animal Science and Technology, Shihezi University, Shihezi, China
- Key Laboratory of Animal Parasitology of Ministry of Agriculture and Rural Affairs, Laboratory of Quality and Safety Risk Assessment for Animal Products on Biohazards (Shanghai) of Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Amanguli Silayi
- Yili Prefecture Center for Animal Disease Control and Diagnosis of Xinjiang, Yining, China
| | - Yongsheng Wang
- Yili Prefecture Center for Animal Disease Control and Diagnosis of Xinjiang, Yining, China
| | - Chenyang Xia
- Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Wenqiang Tang
- Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Haiyan Gong
- Key Laboratory of Animal Parasitology of Ministry of Agriculture and Rural Affairs, Laboratory of Quality and Safety Risk Assessment for Animal Products on Biohazards (Shanghai) of Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Yan Huang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture and Rural Affairs, Laboratory of Quality and Safety Risk Assessment for Animal Products on Biohazards (Shanghai) of Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Yan Zhang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture and Rural Affairs, Laboratory of Quality and Safety Risk Assessment for Animal Products on Biohazards (Shanghai) of Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Genqiang Yan
- College of Animal Science and Technology, Shihezi University, Shihezi, China
| | - Zhaoguo Chen
- Key Laboratory of Animal Parasitology of Ministry of Agriculture and Rural Affairs, Laboratory of Quality and Safety Risk Assessment for Animal Products on Biohazards (Shanghai) of Ministry of Agriculture and Rural Affairs, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
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Hao Y, Liu A, Li H, Zhao Y, Yao L, Yang B, Zhang W, Yang F. Molecular characterization and zoonotic potential of Cryptosporidium spp. and Giardia duodenalis in humans and domestic animals in Heilongjiang Province, China. Parasit Vectors 2024; 17:155. [PMID: 38528567 PMCID: PMC10964600 DOI: 10.1186/s13071-024-06219-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 02/27/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Cryptosporidiosis and giardiasis are significant parasitic diseases shared between humans and domestic animals. Due to the close contact between humans and domestic animals in rural areas, it is important to consider the potential transmission of zoonotic parasites from infected domestic animals to humans. This investigation aimed to determine the prevalence and molecular characteristics of Cryptosporidium spp. and Giardia duodenalis in domestic animals and villagers. METHODS A total of 116 fecal samples from villagers and 686 fecal samples from domestic animals in Heilongjiang Province, China, were analyzed for two parasites using nested polymerase chain reaction (PCR) targeting various genetic loci and DNA sequence analysis of the PCR products. RESULTS By sequence analysis of the SSU rRNA gene, the prevalence of Cryptosporidium in humans was 0.9% (1/116), with one species of C. parvum (n = 1) detected; among domestic animals, the prevalence was 2.6% (18/686), with five species identified: C. suis (n = 7) and C. scrofarum (n = 7) in pigs, C. meleagridis (n = 1) in chickens, C. andersoni (n = 1) in cattle, and C. canis (n = 2) in foxes. C. parvum and C. canis were further subtyped as IIdA19G1 and XXa4 on the basis of gp60 gene. Regarding G. duodenalis, based on the SSU rRNA, bg, gdh, and tpi genes, the prevalence in domestic animals was 5.1% (31/608), with three assemblages identified: A (n = 1) in pigs, D (n = 1) in foxes, and E (n = 27) in geese, cattle, pigs, ducks, and sheep, along with mixed infection of A + E (n = 1) in one pig and B + E (n = 1) in one sheep. No G. duodenalis was detected in humans (0/116). CONCLUSIONS The present results show that no overlap of subtypes between animals and villagers was found in Cryptosporidium spp. and G. duodenalis, indicating a minor role of domestic animals in infecting humans in this population. However, the presence of zoonotic protozoa in domestic animals highlights the need for special attention to high-risk individuals during close contact with domestic animals.
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Affiliation(s)
- Yaru Hao
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China
| | - Aiqin Liu
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China
| | - He Li
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China
| | - Yiyang Zhao
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China
| | - Lan Yao
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China
| | - Bo Yang
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China
| | - Weizhe Zhang
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China.
| | - Fengkun Yang
- Department of Parasitology, Harbin Medical University, Harbin, 150081, Heilongjiang, China.
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Parkins MD, Lee BE, Acosta N, Bautista M, Hubert CRJ, Hrudey SE, Frankowski K, Pang XL. Wastewater-based surveillance as a tool for public health action: SARS-CoV-2 and beyond. Clin Microbiol Rev 2024; 37:e0010322. [PMID: 38095438 PMCID: PMC10938902 DOI: 10.1128/cmr.00103-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2024] Open
Abstract
Wastewater-based surveillance (WBS) has undergone dramatic advancement in the context of the coronavirus disease 2019 (COVID-19) pandemic. The power and potential of this platform technology were rapidly realized when it became evident that not only did WBS-measured SARS-CoV-2 RNA correlate strongly with COVID-19 clinical disease within monitored populations but also, in fact, it functioned as a leading indicator. Teams from across the globe rapidly innovated novel approaches by which wastewater could be collected from diverse sewersheds ranging from wastewater treatment plants (enabling community-level surveillance) to more granular locations including individual neighborhoods and high-risk buildings such as long-term care facilities (LTCF). Efficient processes enabled SARS-CoV-2 RNA extraction and concentration from the highly dilute wastewater matrix. Molecular and genomic tools to identify, quantify, and characterize SARS-CoV-2 and its various variants were adapted from clinical programs and applied to these mixed environmental systems. Novel data-sharing tools allowed this information to be mobilized and made immediately available to public health and government decision-makers and even the public, enabling evidence-informed decision-making based on local disease dynamics. WBS has since been recognized as a tool of transformative potential, providing near-real-time cost-effective, objective, comprehensive, and inclusive data on the changing prevalence of measured analytes across space and time in populations. However, as a consequence of rapid innovation from hundreds of teams simultaneously, tremendous heterogeneity currently exists in the SARS-CoV-2 WBS literature. This manuscript provides a state-of-the-art review of WBS as established with SARS-CoV-2 and details the current work underway expanding its scope to other infectious disease targets.
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Affiliation(s)
- Michael D. Parkins
- Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- O’Brien Institute of Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Bonita E. Lee
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Nicole Acosta
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Maria Bautista
- Department of Biological Sciences, Faculty of Science, University of Calgary, Calgary, Alberta, Canada
| | - Casey R. J. Hubert
- Department of Biological Sciences, Faculty of Science, University of Calgary, Calgary, Alberta, Canada
| | - Steve E. Hrudey
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Kevin Frankowski
- Advancing Canadian Water Assets, University of Calgary, Calgary, Alberta, Canada
| | - Xiao-Li Pang
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
- Provincial Health Laboratory, Alberta Health Services, Calgary, Alberta, Canada
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Egan S, Barbosa AD, Feng Y, Xiao L, Ryan U. Critters and contamination: Zoonotic protozoans in urban rodents and water quality. WATER RESEARCH 2024; 251:121165. [PMID: 38290188 DOI: 10.1016/j.watres.2024.121165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/10/2024] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
Rodents represent the single largest group within mammals and host a diverse array of zoonotic pathogens. Urbanisation impacts wild mammals, including rodents, leading to habitat loss but also providing new resources. Urban-adapted (synanthropic) rodents, such as the brown rat (R. norvegicus), black rat (R. rattus), and house mouse (Mus musculus), have long successfully adapted to living close to humans and are known carriers of zoonotic pathogens. Two important enteric, zoonotic protozoan parasites, carried by rodents, include Cryptosporidium and Giardia. Their environmental stages (oocysts/cysts), released in faeces, can contaminate surface and wastewaters, are resistant to common drinking water disinfectants and can cause water-borne related gastritis outbreaks. At least 48 species of Cryptosporidium have been described, with C. hominis and C. parvum responsible for the majority of human infections, while Giardia duodenalis assemblages A and B are the main human-infectious assemblages. Molecular characterisation is crucial to assess the public health risk linked to rodent-related water contamination due to morphological overlap between species. This review explores the global molecular diversity of these parasites in rodents, with a focus on evaluating the zoonotic risk from contamination of water and wasterwater with Cryptosporidium and Giardia oocysts/cysts from synanthropic rodents. Analysis indicates that while zoonotic Cryptosporidium and Giardia are prevalent in farmed and pet rodents, host-specific Cryptosporidium and Giardia species dominate in urban adapted rodents, and therefore the risks posed by these rodents in the transmission of zoonotic Cryptosporidium and Giardia are relatively low. Many knowledge gaps remain however, and therefore understanding the intricate dynamics of these parasites in rodent populations is essential for managing their impact on human health and water quality. This knowledge can inform strategies to reduce disease transmission and ensure safe drinking water in urban and peri‑urban areas.
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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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Certad G, Gantois N, Merlin S, Martel S, Even G, Viscogliosi E, Audebert C, Chabé M. Frequency and Molecular Identification of Cryptosporidium in Adult Prim'Holstein Dairy Cattle Farms in the North of France. Microorganisms 2024; 12:335. [PMID: 38399739 PMCID: PMC10892647 DOI: 10.3390/microorganisms12020335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/25/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
Cryptosporidium apicomplexan protozoa are ubiquitous intracellular agents affecting humans and animals. In particular, bovine cryptosporidiosis is recognized as endemic worldwide. However, epidemiological investigations remain limited in France regarding the burden of these parasites in cattle. To improve our understanding of the epidemiology of cryptosporidiosis, the main aim of this study was to determine the frequency and the genetic diversity of Cryptosporidium in adult Prim'Holstein dairy cattle farms in the north of France. Fecal specimens were collected from 1454 non-diarrheic and non-pregnant animals (nulli-, primi-, or multiparous) throughout 20 farms in an area of 110 km around Lille. For Cryptosporidium species identification, nested PCR followed by sequence and phylogenetic analyses were used. The overall frequency of Cryptosporidium spp. in-fection was 30.00% (C.I. 95%: 12.83-54.33) in farms and 0.89% (C.I. 95%: 0.498-1.57) at the individual level. In primi- or multiparous cows, only C. andersoni was found. C. ryanae, C. bovis/xiaoi and C. andersoni were detected in heifers. The phylogenetic tree confirmed that analyzed sequences were grouped with known reference sequences reported in dairy cattle. Further studies on the cumulative prevalence, risks factors and pathogenicity are needed to give a more accurate assessment of the impact of Cryptosporidium infection in dairy cattle in France.
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Affiliation(s)
- Gabriela Certad
- Centre National de la Rrecherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (Inserm), Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Centre d’Infection et d’Immunité de Lille, University of Lille, F-59000 Lille, France; (N.G.); (E.V.); (M.C.)
- Délégation à la Recherche Clinique et à l’Innovation, Groupement des Hôpitaux de l’Institut Catholique de Lille, F-59000 Lille, France
| | - Nausicaa Gantois
- Centre National de la Rrecherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (Inserm), Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Centre d’Infection et d’Immunité de Lille, University of Lille, F-59000 Lille, France; (N.G.); (E.V.); (M.C.)
| | - Sophie Merlin
- GD Biotech-Gènes Diffusion, F-59000 Lille, France; (S.M.); (S.M.); (G.E.); (C.A.)
- PEGASE-Biosciences (Plateforme d’Expertises Génomiques Appliquées aux Sciences Expérimentales), Institut Pasteur de Lille, F-59000 Lille, France
| | - Sophie Martel
- GD Biotech-Gènes Diffusion, F-59000 Lille, France; (S.M.); (S.M.); (G.E.); (C.A.)
- PEGASE-Biosciences (Plateforme d’Expertises Génomiques Appliquées aux Sciences Expérimentales), Institut Pasteur de Lille, F-59000 Lille, France
| | - Gaël Even
- GD Biotech-Gènes Diffusion, F-59000 Lille, France; (S.M.); (S.M.); (G.E.); (C.A.)
- PEGASE-Biosciences (Plateforme d’Expertises Génomiques Appliquées aux Sciences Expérimentales), Institut Pasteur de Lille, F-59000 Lille, France
| | - Eric Viscogliosi
- Centre National de la Rrecherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (Inserm), Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Centre d’Infection et d’Immunité de Lille, University of Lille, F-59000 Lille, France; (N.G.); (E.V.); (M.C.)
| | - Christophe Audebert
- GD Biotech-Gènes Diffusion, F-59000 Lille, France; (S.M.); (S.M.); (G.E.); (C.A.)
- PEGASE-Biosciences (Plateforme d’Expertises Génomiques Appliquées aux Sciences Expérimentales), Institut Pasteur de Lille, F-59000 Lille, France
| | - Magali Chabé
- Centre National de la Rrecherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (Inserm), Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Centre d’Infection et d’Immunité de Lille, University of Lille, F-59000 Lille, France; (N.G.); (E.V.); (M.C.)
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9
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Ali M, Xu C, Nawaz S, Ahmed AE, Hina Q, Li K. Anti-Cryptosporidial Drug-Discovery Challenges and Existing Therapeutic Avenues: A "One-Health" Concern. Life (Basel) 2024; 14:80. [PMID: 38255695 PMCID: PMC10820218 DOI: 10.3390/life14010080] [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: 11/22/2023] [Revised: 12/20/2023] [Accepted: 12/28/2023] [Indexed: 01/24/2024] Open
Abstract
Cryptosporidiosis is the leading cause of life-threatening diarrheal infection, especially in infants. Oocysts contaminate the environment, and also, being a zoonotic disease, cryptosporidiosis is a threat to One Health. Nitazoxanide is the only FDA-approved drug, effective only in immunocompetent adults, and is not safe for infants. The absence of mitochondria and apicoplast, the presence of an electron-dense band (ED band), hindrances in its genetic and phenotypic manipulations, and its unique position inside the host cell are some challenges to the anti-cryptosporidial drug-discovery process. However, many compounds, including herbal products, have shown efficacy against Cryptosporidium during in vitro and in vivo trials. Still, the "drug of choice" against this protozoan parasite, especially in immunocompromised individuals and infants, has not yet been explored. The One-Health approach addresses this issue, focusing on the intersection of animal, human, and environmental health. The objective of this review is to provide knowledge about novel anti-cryptosporidial drug targets, available treatment options with associated limitations, and possible future shifts toward natural products to treat cryptosporidiosis. The current review is organized to address the treatment and prevention of cryptosporidiosis. An anti-cryptosporidial drug that is effective in immunocompromised individuals and infants is a necessity of our time.
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Affiliation(s)
- Munwar Ali
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.); (C.X.)
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Chang Xu
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.); (C.X.)
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Shah Nawaz
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China;
| | - Ahmed Ezzat Ahmed
- Biology Department, College of Science, King Khalid University, Abha 61413, Saudi Arabia;
| | - Qazal Hina
- Department of Animal Nutrition, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan;
| | - Kun Li
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.); (C.X.)
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
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10
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Gunasekera S, Clode PL, King B, Monis P, Thierry B, Carr JM, Chopra A, Watson M, O'Dea M, Hijjawi N, Ryan U. Comparison of in vitro growth characteristics of Cryptosporidium hominis (IdA15G1) and Cryptosporidium parvum (Iowa-IIaA17G2R1 and IIaA18G3R1). Parasitol Res 2023; 122:2891-2905. [PMID: 37776335 PMCID: PMC10667462 DOI: 10.1007/s00436-023-07979-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 09/14/2023] [Indexed: 10/02/2023]
Abstract
Cryptosporidium is a major cause of diarrhoeal disease and mortality in young children in resource-poor countries, for which no vaccines or adequate therapeutic options are available. Infection in humans is primarily caused by two species: C. hominis and C. parvum. Despite C. hominis being the dominant species infecting humans in most countries, very little is known about its growth characteristics and life cycle in vitro, given that the majority of our knowledge of the in vitro development of Cryptosporidium has been based on C. parvum. In the present study, the growth and development of two C. parvum isolates (subtypes Iowa-IIaA17G2R1 and IIaA18G3R1) and one C. hominis isolate (subtype IdA15G1) in HCT-8 cells were examined and compared at 24 h and 48 h using morphological data acquired with scanning electron microscopy. Our data indicated no significant differences in the proportion of meronts or merozoites between species or subtypes at either time-point. Sexual development was observed at the 48-h time-point across both species through observations of both microgamonts and macrogamonts, with a higher frequency of macrogamont observations in C. hominis (IdA15G1) cultures at 48-h post-infection compared to both C. parvum subtypes. This corresponded to differences in the proportion of trophozoites observed at the same time point. No differences in proportion of microgamonts were observed between the three subtypes, which were rarely observed across all cultures. In summary, our data indicate that asexual development of C. hominis is similar to that of C. parvum, while sexual development is accelerated in C. hominis. This study provides new insights into differences in the in vitro growth characteristics of C. hominis when compared to C. parvum, which will facilitate our understanding of the sexual development of both species.
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Affiliation(s)
- Samantha Gunasekera
- Harry Butler Institute, College of Environmental and Life Sciences, Murdoch University, Murdoch, Western Australia, 6150, Australia.
| | - Peta L Clode
- Centre for Microscopy, Characterisation, and Analysis and School of Biological Sciences, The University of Western Australia, Crawley, Western Australia, 6009, Australia
| | - Brendon King
- South Australian Water Corporation, Adelaide, South Australia, 5000, Australia
| | - Paul Monis
- South Australian Water Corporation, Adelaide, South Australia, 5000, Australia
| | - Benjamin Thierry
- Future Industries Institute, University of South Australia, Adelaide, South Australia, 5095, Australia
| | - Jillian M Carr
- College of Medicine and Public Health, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Abha Chopra
- Immunology and Infectious Diseases, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | - Mark Watson
- Immunology and Infectious Diseases, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | - Mark O'Dea
- Harry Butler Institute, College of Environmental and Life Sciences, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | - Nawal Hijjawi
- Department of Medical Laboratory Sciences, Faculty of Applied Health Sciences, The Hashemite University, P.O. Box 150459, Zarqa, 13115, Jordan
| | - Una Ryan
- Harry Butler Institute, College of Environmental and Life Sciences, Murdoch University, Murdoch, Western Australia, 6150, Australia.
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11
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AlFaleh FA, Ismael SS, Aguilar-Marcelino L, Silva FEM, Ashraf T, Abbas RZ, Qamar W. Use of nanoparticles, a modern means of drug delivery, against cryptosporidiosis. J Adv Vet Anim Res 2023; 10:704-719. [PMID: 38370897 PMCID: PMC10868694 DOI: 10.5455/javar.2023.j726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/19/2023] [Accepted: 10/20/2023] [Indexed: 02/20/2024] Open
Abstract
Cryptosporidium is a primary cause of waterborne epidemics, despite being previously considered only an opportunistic pathogen. The disease is associated with significant economic losses in humans and animals that are brought on by diarrhea, which frequently causes dehydration. Contact with diseased people or animals, as well as polluted water, is the major cause of infection. Different drugs are used to control the parasites. Nitazoxanide (NTZ), which is an anti-protozoan and anti-viral drug, can be used to control helminths, viruses, and protozoan parasites as a broad-spectrum antibiotic and has been approved by the food and drug authority (FDA). However, the problem is the development of resistance over a period of time in these parasites. Nanoparticles have received significant attention as possible anti-parasitic agents in recent years. By directing medications to specific cellular locations, targeted drug delivery minimizes the side effects of medications. Nanoparticles have demonstrated effectiveness against different Cryptosporidium species. Nanoparticles loaded with NTZ are found to be an effective remedy for C. parvum in young ones and decrease the oocyst count shed in the stools. Additionally, silver nanoparticles have proven to be effective against C. parvum by releasing silver ions that breach the cell wall of the oocyst, causing the escape of intracellular contents and the destruction of sporozoites within the oocyst. Implementing tiny particles for the purification of consuming water from Cryptosporidium is an economical and environmentally sustainable process. However, the use of nanoparticles in medicine requires more research.
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Affiliation(s)
- Faleh A. AlFaleh
- Department of Biology, College of Science in Zulfi, Majmaah University, Majmaah, Saudi Arabia
| | - Shameeran Salman Ismael
- Medical Laboratory Sciences Department, College of Health Sciences, University of Duhok, Duhok, Iraq
| | | | | | - Tayyaba Ashraf
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Rao Zahid Abbas
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Warda Qamar
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
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12
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Augendre L, Costa D, Escotte-Binet S, Aubert D, Villena I, Dumètre A, La Carbona S. Surrogates of foodborne and waterborne protozoan parasites: A review. Food Waterborne Parasitol 2023; 33:e00212. [PMID: 38028241 PMCID: PMC10661733 DOI: 10.1016/j.fawpar.2023.e00212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/27/2023] [Accepted: 10/27/2023] [Indexed: 12/01/2023] Open
Abstract
The protozoan parasites Cryptosporidium parvum, Cyclospora cayetanensis, and Toxoplasma gondii are major causes of waterborne and foodborne diseases worldwide. The assessment of their removal or inactivation during water treatment and food processing remains challenging, partly because research on these parasites is hindered by various economical, ethical, methodological, and biological constraints. To address public health concerns and gain new knowledge, researchers are increasingly seeking alternatives to the use of such pathogenic parasites. Over the past few decades, several non-pathogenic microorganisms and manufactured microparticles have been evaluated as potential surrogates of waterborne and foodborne protozoan parasites. Here, we review the surrogates that have been reported for C. parvum, C. cayetanensis, and T. gondii oocysts, and discuss their use and relevance to assess the transport, removal, and inactivation of these parasites in food and water matrices. Biological surrogates including non-human pathogenic Eimeria parasites, microorganisms found in water sources (anaerobic and aerobic spore-forming bacteria, algae), and non-biological surrogates (i.e. manufactured microparticles) have been identified. We emphasize that such surrogates have to be carefully selected and implemented depending on the parasite and the targeted application. Eimeria oocysts appear as promising surrogates to investigate in the future the pathogenic coccidian parasites C. cayetanensis and T. gondii that are the most challenging to work with.
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Affiliation(s)
- Laure Augendre
- EA 7510 ESCAPE Epidemiosurveillance and Circulation of Parasites in the Environment, University of Reims Champagne Ardennes, Faculty of Medicine, SFR Cap Santé Fed 4231, 51 Rue Cognacq Jay, 51096 Reims Cedex, France
- ACTALIA Food Safety, 310 Rue Popielujko, 50000, Saint-Lô, France
| | - Damien Costa
- EA 7510 ESCAPE Epidemiosurveillance and Circulation of Parasites in the Environment, University of Rouen Normandie, University Hospital of Rouen, 22 Boulevard Gambetta, 76183 Rouen Cedex, France
| | - Sandie Escotte-Binet
- EA 7510 ESCAPE Epidemiosurveillance and Circulation of Parasites in the Environment, University of Reims Champagne Ardennes, Faculty of Medicine, SFR Cap Santé Fed 4231, 51 Rue Cognacq Jay, 51096 Reims Cedex, France
| | - Dominique Aubert
- EA 7510 ESCAPE Epidemiosurveillance and Circulation of Parasites in the Environment, University of Reims Champagne Ardennes, Faculty of Medicine, SFR Cap Santé Fed 4231, 51 Rue Cognacq Jay, 51096 Reims Cedex, France
| | - Isabelle Villena
- EA 7510 ESCAPE Epidemiosurveillance and Circulation of Parasites in the Environment, University of Reims Champagne Ardennes, Faculty of Medicine, SFR Cap Santé Fed 4231, 51 Rue Cognacq Jay, 51096 Reims Cedex, France
| | - Aurélien Dumètre
- Aix-Marseille University, IRD, AP-HM, IHU Méditerranée Infection, UMR Vectors - Tropical and Mediterranean Infections, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
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13
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Barbosa AD, Egan S, Feng Y, Xiao L, Ryan U. How significant are bats as potential carriers of zoonotic Cryptosporidium and Giardia? CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2023; 4:100155. [PMID: 38149267 PMCID: PMC10750029 DOI: 10.1016/j.crpvbd.2023.100155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/08/2023] [Accepted: 11/16/2023] [Indexed: 12/28/2023]
Abstract
Bats are known to harbour various pathogens and are increasingly recognised as potential reservoirs for zoonotic diseases. This paper reviews the genetic diversity and zoonotic potential of Cryptosporidium and Giardia in bats. The risk of zoonotic transmission of Cryptosporidium from bats to humans appears low, with bat-specific Cryptosporidium genotypes accounting for 91.5% of Cryptosporidium-positive samples genotyped from bats worldwide, and C. parvum and C. hominis accounting for 3.4% each of typed positives, respectively. To date, there have only been sporadic detections of Giardia in bats, with no genetic characterisation of the parasite to species or assemblage level. Therefore, the role bats play as reservoirs of zoonotic Giardia spp. is unknown. To mitigate potential risks of zoonotic transmission and their public health implications, comprehensive research on Cryptosporidium and Giardia in bats is imperative. Future studies should encompass additional locations across the globe and a broader spectrum of bat species, with a focus on those adapted to urban environments.
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Affiliation(s)
- 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
| | - Siobhon Egan
- Harry Butler Institute, Vector- and Water-Borne Pathogen Research Group, Murdoch University, Murdoch, Western Australia 6150, Australia
| | - 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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14
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Piazzesi A, Pane S, Russo A, Del Chierico F, Francalanci P, Cotugno N, Rossi P, Locatelli F, Palma P, Putignani L. Case Report: The impact of severe cryptosporidiosis on the gut microbiota of a pediatric patient with CD40L immunodeficiency. Front Cell Infect Microbiol 2023; 13:1281440. [PMID: 37965266 PMCID: PMC10641285 DOI: 10.3389/fcimb.2023.1281440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 09/15/2023] [Indexed: 11/16/2023] Open
Abstract
Cryptosporidium parvum is a protozoan parasite and one of the leading causes of gastroenteritis in the world, primarily affecting very young children and immunocompromised patients. While infection is usually self-limiting, it can become chronic and even lethal in these vulnerable populations, in whom Cryptosporidium treatments are generally ineffective, due to their acting in concert with a functioning immune system. Here, we describe a case of chronic cryptosporidiosis in a European child with severe CD40L immunodeficiency infected with Cryptosporidium parvum of the IIa20G1 subgenotype, a lineage which has thus far only ever been described in the Middle East. After years of on-off treatment with conventional and non-conventional anti-parasitic drugs failed to clear parasitosis, we performed targeted metagenomics to observe the bacterial composition of the patient's gut microbiota (GM), and to evaluate fecal microbiota transplantation (FMT) as a potential treatment option. We found that C. parvum infection led to significant shifts in GM bacterial composition in our patient, with consequent shifts in predicted intestinal functional signatures consistent with a state of persistent inflammation. This, combined with the patient's poor prognosis and increasing parasitic burden despite many rounds of anti-parasitic drug treatments, made the patient a potential candidate for an experimental FMT procedure. Unfortunately, given the many comorbidities that were precipitated by the patient's immunodeficiency and chronic C. parvum infection, FMT was postponed in favor of more urgently necessary liver and bone marrow transplants. Tragically, after the first liver transplant failed, the patient lost his life before undergoing FMT and a second liver transplant. With this case report, we present the first description of how cryptosporidiosis can shape the gut microbiota of a pediatric patient with severe immunodeficiency. Finally, we discuss how both our results and the current scientific literature suggest that GM modulations, either by probiotics or FMT, can become novel treatment options for chronic Cryptosporidium infection and its consequent complications, especially in those patients who do not respond to the currently available anti-parasitic therapies.
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Affiliation(s)
- Antonia Piazzesi
- Unit of Human Microbiome, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Stefania Pane
- Unit of Microbiomics, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Alessandra Russo
- Unit of Microbiomics, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | | | - Paola Francalanci
- Department of Pathology, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Nicola Cotugno
- Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
- Department of Systems Medicine, Chair of Pediatrics, University of Rome “Tor Vergata”, Rome, Italy
| | - Paolo Rossi
- Department of Systems Medicine, Chair of Pediatrics, University of Rome “Tor Vergata”, Rome, Italy
- Academic Department of Pediatrics, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Franco Locatelli
- Department of Haematology/Oncology and Cell and Gene Therapy, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
- Department of Life Sciences and Public Health, Catholic University of the Sacred Heart, Rome, Italy
| | - Paolo Palma
- Unit of Clinical Immunology and Vaccinology, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
- Department of Systems Medicine, Chair of Pediatrics, University of Rome “Tor Vergata”, Rome, Italy
| | - Lorenza Putignani
- Unit of Microbiomics and Unit of Human Microbiome, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
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15
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Roche K, Dalle F, Capelli N, Borne R, Jouffroy-Bapicot I, Valot B, Grenouillet F, Le Bailly M. From modern-day parasitology to paleoparasitology: the elusive past record and evolution of Cryptosporidium. Front Microbiol 2023; 14:1249884. [PMID: 37928683 PMCID: PMC10622768 DOI: 10.3389/fmicb.2023.1249884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 10/05/2023] [Indexed: 11/07/2023] Open
Abstract
Recent efforts have been made to review the state of the art on a variety of questions and targets in paleoparasitology, including protozoan taxa. Meanwhile, these efforts seemed to let aside Cryptosporidium, and we then intended to review its paleoparasitological record to assess its past distribution and favored detection methods, and eventually highlight needed research trajectories. This review shows that contrary to other parasites, most of the positive results came from South-American sites and coprolites rather than sediment samples, highlighting the need to test this kind of material, notably in Europe where many negative results were reported in the published literature from sediment samples. Moreover, aDNA-based detections are nearly absent from the paleoparasitological record of this parasite, though punctually shown successful. With their potential to address the evolutionary history of Cryptosporidium species, notably through their 18S rRNA tree, aDNA-based approaches should be encouraged in the future. In sum, and though the limits of currently used methods and materials remain unclear, this review highlights the potential role of coprolites and aDNA for the study of Cryptosporidium species in the past and how this history shaped their current diversity and distribution, notably among human populations but also farm animals.
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Affiliation(s)
- Kévin Roche
- UMR CNRS-UFC 6249 Chrono-environnement, University of Franche-Comté, Besançon, France
| | - Frédéric Dalle
- CNR LE Cryptosporidiosis Collaborating Laboratory, Santé Publique France, Dijon, France
- Department of Parasitology/Mycology, University Hospital of Dijon, Dijon, France
| | - Nicolas Capelli
- UMR CNRS-UFC 6249 Chrono-environnement, University of Franche-Comté, Besançon, France
| | - Romain Borne
- UMR CNRS-UFC 6249 Chrono-environnement, University of Franche-Comté, Besançon, France
| | | | - Benoit Valot
- UMR CNRS-UFC 6249 Chrono-environnement, University of Franche-Comté, Besançon, France
| | - Frédéric Grenouillet
- UMR CNRS-UFC 6249 Chrono-environnement, University of Franche-Comté, Besançon, France
| | - Matthieu Le Bailly
- UMR CNRS-UFC 6249 Chrono-environnement, University of Franche-Comté, Besançon, France
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16
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Khan SM, Bajwa MR, Lahar RY, Witola WH. Combination of inhibitors for two glycolytic enzymes portrays high synergistic efficacy against Cryptosporidium parvum. Antimicrob Agents Chemother 2023; 67:e0056923. [PMID: 37655889 PMCID: PMC10583678 DOI: 10.1128/aac.00569-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 06/22/2023] [Indexed: 09/02/2023] Open
Abstract
Cryptosporidium is an intracellular protozoan parasite that causes serious enteric disease in humans and in a wide range of animals worldwide. Despite its high prevalence, no effective therapeutic drugs are available against life-threatening cryptosporidiosis in at-risk populations including malnourished children, immunocompromised patients, and neonatal calves. Thus, new efficacious drugs are urgently needed to treat all susceptible populations with cryptosporidiosis. Unlike other apicomplexans, Cryptosporidium parvum lacks the tricarboxylic acid cycle and the oxidative phosphorylation steps, making it solely dependent on glycolysis for metabolic energy production. We have previously reported that individual inhibitors of two unique glycolytic enzymes, the plant-like pyruvate kinase (CpPyK) and the bacterial-type lactate dehydrogenase (CpLDH), are effective against C. parvum, both in vitro and in vivo. Herein, we have derived combinations of CpPyK and CpLDH inhibitors with strong synergistic effects against the growth and survival of C. parvum, both in vitro and in an infection mouse model. In infected immunocompromised mice, compound combinations of NSC303244 + NSC158011 and NSC252172 + NSC158011 depicted enhanced efficacy against C. parvum reproduction and ameliorated intestinal lesions of cryptosporidiosis at doses fourfold lower than the total effective doses of individual compounds. Importantly, unlike individual compounds, NSC303244 + NSC158011 combination was effective in clearing the infection completely without relapse in immunocompromised mice. Collectively, our study has unveiled compound combinations that simultaneously block two essential catalytic steps for metabolic energy production in C. parvum to achieve improved efficacy against the parasite. These combinations are, therefore, lead compounds for the development of a new generation of efficacious anti-cryptosporidial drugs.
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Affiliation(s)
- Shahbaz M. Khan
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
| | - Muhammad Rashid Bajwa
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
| | - Rachael Y. Lahar
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
| | - William H. Witola
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
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Feng X, Deng J, Zhang Z, Yu F, Zhang J, Shi T, Sun H, Qi M, Liu X. Dominant infection of Cryptosporidium baileyi in broiler chickens in Zhejiang Province, China. Parasitol Res 2023; 122:1993-2000. [PMID: 37347286 DOI: 10.1007/s00436-023-07898-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 06/09/2023] [Indexed: 06/23/2023]
Abstract
Cryptosporidium is a common enteric parasite in chickens. A total of 812 fecal specimens were collected from 11 broiler farms in Zhejiang Province, China, and analyzed by nested PCR amplification based on the small subunit ribosomal RNA (SSU rRNA) gene. The overall infection rate of Cryptosporidium was 6.3% (51/812), and five of 11 farms were Cryptosporidium positive. Broilers aged > 90 days accounted for the highest infection rate of 16.1% (6/56), followed by those aged 30-60 days (10.6%, 38/358) and 60-90 days (4/378, 1.1%). Two Cryptosporidium species were identified by sequence analysis, with the predominant species being C. baileyi (96.1%, 49/51) and the minor infection being C. meleagridis (3.9%, 2/51). Based on the 60-kDa glycoprotein (gp60) gene, two C. meleagridis-positive isolates were identified as one known subtype, IIIbA24G1R1. This study indicated the common occurrence of C. baileyi in broiler chickens in this region and low zoonotic transmission potential of Cryptosporidium to humans.
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Affiliation(s)
- Xinwei Feng
- College of Animal Science and Technology, Tarim University, Alar, 843300, Xinjiang, China
| | - Jinhua Deng
- College of Animal Science and Technology, Tarim University, Alar, 843300, Xinjiang, China
| | - Zhenjie Zhang
- College of Animal Science and Technology, Tarim University, Alar, 843300, Xinjiang, China
| | - Fuchang Yu
- College of Animal Science and Technology, Tarim University, Alar, 843300, Xinjiang, China
| | - Jianing Zhang
- College of Animal Science and Technology, Tarim University, Alar, 843300, Xinjiang, China
| | - Tuanyuan Shi
- Institute of Animal Husbandry and Veterinary Medicine, Zhejiang Academy of Agricultural Science, Hangzhou, 310000, Zhejiang Province, China
| | - Hongchao Sun
- Institute of Animal Husbandry and Veterinary Medicine, Zhejiang Academy of Agricultural Science, Hangzhou, 310000, Zhejiang Province, China
| | - Meng Qi
- College of Animal Science and Technology, Tarim University, Alar, 843300, Xinjiang, China.
| | - Xuehan Liu
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, Henan Province, China.
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Dengler F, Hammon HM, Liermann W, Görs S, Bachmann L, Helm C, Ulrich R, Delling C. Cryptosporidium parvumcompetes with the intestinal epithelial cells for glucose and impairs systemic glucose supply in neonatal calves. Vet Res 2023; 54:40. [PMID: 37138353 PMCID: PMC10156424 DOI: 10.1186/s13567-023-01172-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 03/10/2023] [Indexed: 05/05/2023] Open
Abstract
Cryptosporidiosis is one of the main causes of diarrhea in children and young livestock. The interaction of the parasite with the intestinal host cells has not been characterized thoroughly yet but may be affected by the nutritional demand of the parasite. Hence, we aimed to investigate the impact of C. parvum infection on glucose metabolism in neonatal calves. Therefore, N = 5 neonatal calves were infected with C. parvum on the first day of life, whereas a control group was not (N = 5). The calves were monitored clinically for one week, and glucose absorption, turnover and oxidation were assessed using stable isotope labelled glucose. The transepithelial transport of glucose was measured using the Ussing chamber technique. Glucose transporters were quantified on gene and protein expression level using RT-qPCR and Western blot in the jejunum epithelium and brush border membrane preparations. Plasma glucose concentration and oral glucose absorption were decreased despite an increased electrogenic phlorizin sensitive transepithelial transport of glucose in infected calves. No difference in the gene or protein abundance of glucose transporters, but an enrichment of glucose transporter 2 in the brush border was observed in the infected calves. Furthermore, the mRNA for enzymes of the glycolysis pathway was increased indicating enhanced glucose oxidation in the infected gut. In summary, C. parvum infection modulates intestinal epithelial glucose absorption and metabolism. We assume that the metabolic competition of the parasite for glucose causes the host cells to upregulate their uptake mechanisms and metabolic machinery to compensate for the energy losses.
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Affiliation(s)
- Franziska Dengler
- Institute of Physiology, Pathophysiology and Biophysics, University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, Austria.
- Institute of Veterinary Physiology, Leipzig University, An den Tierkliniken 7, Leipzig, Germany.
| | - Harald M Hammon
- Research Institute for Farm Animal Biology (FBN), Institute of Nutritional Physiology, Wilhelm-Stahl-Allee 2, Dummerstorf, Germany
| | - Wendy Liermann
- Research Institute for Farm Animal Biology (FBN), Institute of Nutritional Physiology, Wilhelm-Stahl-Allee 2, Dummerstorf, Germany
| | - Solvig Görs
- Research Institute for Farm Animal Biology (FBN), Institute of Nutritional Physiology, Wilhelm-Stahl-Allee 2, Dummerstorf, Germany
| | - Lisa Bachmann
- Research Institute for Farm Animal Biology (FBN), Institute of Nutritional Physiology, Wilhelm-Stahl-Allee 2, Dummerstorf, Germany
- Faculty of Agriculture and Food Science, University of Applied Science Neubrandenburg, Brodaer Strasse 2, Neubrandenburg, Germany
| | - Christiane Helm
- Institute of Veterinary Pathology, Leipzig University, An den Tierkliniken 33-37, Leipzig, Germany
| | - Reiner Ulrich
- Institute of Veterinary Pathology, Leipzig University, An den Tierkliniken 33-37, Leipzig, Germany
| | - Cora Delling
- Institute of Parasitology, Leipzig University, An den Tierkliniken 35, Leipzig, Germany
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