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Chaúque BJM, da Silva TCB, Dos Santos DL, Benitez GB, Chaúque LGH, Benetti AD, Zanette RA, Rott MB. Global prevalence of free-living amoebae in solid matrices - A systematic review with meta-analysis. Acta Trop 2023; 247:107006. [PMID: 37633571 DOI: 10.1016/j.actatropica.2023.107006] [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: 07/05/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
The ubiquitous free-living amoebae (FLA) are microorganisms of significant medical, sanitary, and ecological importance. However, their characterization within solid matrices such as soil, dust, sediment, mud, sludge, and compost remain to be systematized. In this study, we conducted a systematic review with meta-analysis to explore the global distribution of FLA in solid matrices. From the analysis of 104 out of 4,414 scientific articles retrieved from different databases, it was found that the general global prevalence of FLA in solid matrices was of 55.13% (95% confidence interval (CI) 49.32-60.94). Specifically, FLA prevalence was high in soil (72.40%, 95% CI 69.08-75.73), sediment (57.91%, 95% CI 50.01-65.81), mud (52.90%, 95% CI 24.01-81.78), dust (48.60%, 95% CI 43.00-54.19), and sewage sludge (40.19%, 95% CI 30.68-49.70). In aerosols it was comparatively lower (17.21%, 95% CI 12.76-21.66). Acanthamoeba spp. (52.23%) and Hartmanella/Vermamoeba spp. (36.06%) were found to be more prevalent, whereas Naegleria spp. (34.98%) and Balamuthia spp. (27.32%) were less prevalent. The distribution of the highest global prevalence values for species of Acanthamoeba spp., considering different publication periods of the studies, is as follows: A. hatchetti (51.46%), A. rhysodes (47.49%), A. polyphaga (36.37%), A. culbertsoni (34.31%), A. castellanii (34.21%), and A. lenticulata (32.82%). For other FLA species, the distribution is: Hartmannella/Vermamoeba vermiformis (91.57%), Naegleria fowleri (42.32%), Naegleria gruberi (32.39%), and Balamuthia mandrillaris (25%). The most prevalent Acanthamoeba genotypes were T4 (33.38%) and T3 (23.94%). Overall, the global prevalence of FLA in solid matrices is as high as or greater than that reported in water by previous systematic reviews. Thus, actions aimed at reducing exposure to FLA or exploring their ecological dynamics should consider not only water but also the various solid matrices. The finding outlined here can provide valuable insights for such actions, e.g., informing on the level of exposure to FLA, or on the microbial biodiversity of specific environmental compartments.
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Affiliation(s)
- Beni Jequicene Mussengue Chaúque
- Graduate Program in Agricultural and Environmental Microbiology, Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Brazil; Postgraduate Program in Biological Sciences: Pharmacology and Therapeutics, UFRGS, Rio Grande do Sul, Brazil; Center of Studies in Science and Technology (NECET), Biology Course, Universidade Rovuma, Niassa Branch, Lichinga, Mozambique
| | - Thaisla Cristiane Borella da Silva
- Graduate Program in Agricultural and Environmental Microbiology, Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Brazil
| | - Denise Leal Dos Santos
- CAPES Clinical Research Pilot Program at Hospital de Clínicas de Porto Alegre, Rio Grande do Sul, Brazil
| | - Guilherme Brittes Benitez
- Industrial and Systems Engineering Graduate Program, Polytechnic School, Pontifical Catholic University of Parana (PUCPR), Brazil
| | | | | | - Régis Adriel Zanette
- Postgraduate Program in Biological Sciences: Pharmacology and Therapeutics, UFRGS, Rio Grande do Sul, Brazil
| | - Marilise Brittes Rott
- Graduate Program in Agricultural and Environmental Microbiology, Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Brazil.
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Biglarnia F, Solhjoo K, Rezanezhad H, Taghipour A, Armand B. Isolation and identification of potentially pathogenic free-living amoeba in dialysis fluid samples of hydraulic systems in hemodialysis units. Trans R Soc Trop Med Hyg 2021; 116:454-461. [PMID: 34676414 DOI: 10.1093/trstmh/trab155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/03/2021] [Accepted: 09/21/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Free-living amoeba (FLA), including Acanthamoeba, Naegleria, Balamuthia and Vermamoeba, have been isolated from water, sand, soil, dust and air. Numerous studies considered that FLA are a significant cause of neurological and ocular complications in high-risk groups, including immunocompromised individuals. The present study aimed to identify morphological and molecular characteristics of FLA isolates in dialysis fluid samples of hydraulic systems in hemodialysis units in Iran. METHODS A total of 328 dialysis fluid samples were collected from 16 dialysis machines, including 164 samples before hemodialysis sessions (after cleaning) and 164 samples after hemodialysis sessions (before cleaning). Filtration and cultivation were performed on non-nutrient agar medium. Also, PCR and sequencing were applied by using the genus-specific primers along with a common primer set on positive samples. RESULTS Both morphology and molecular investigations showed that 22.5% (74/328) of dialysis fluid samples were positive for FLA. There was a positive relationship between the high frequency of FLA after hemodialysis sessions (before cleaning) compared with before hemodialysis sessions (after cleaning) (OR=2.86; 95% CI 1.5 to 5.45). Considering the PCR assay, 16.46% (54/328) samples were identified as Acanthamoeba spp. (belonging to T3 and T4 genotypes), 5.18% (17/328) as Vermamoeba vermiformis and 0.91% (3/328) as Vahlkampfiidae family (Naegleria australiensis, Naegleria pagei and Allovahlkampfia). CONCLUSION The present results support a need to improve filtration and purification methods for dialysis fluid of hydraulic systems in hemodialysis units. They also highlight the relevance of periodic screenings for FLA-related diseases in hemodialysis patients.
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Affiliation(s)
- Farzaneh Biglarnia
- Department of Medical Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom 7167715258, Iran
| | - Kavous Solhjoo
- Department of Medical Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom 7167715258, Iran.,Zoonoses Research Center, School of Medicine, Jahrom University of Medical Sciences, Jahrom 7167712521, Iran
| | - Hassan Rezanezhad
- Department of Medical Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom 7167715258, Iran.,Zoonoses Research Center, School of Medicine, Jahrom University of Medical Sciences, Jahrom 7167712521, Iran
| | - Ali Taghipour
- Zoonoses Research Center, School of Medicine, Jahrom University of Medical Sciences, Jahrom 7167712521, Iran
| | - Belal Armand
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Furtwangen 78120, Germany
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Sousa-Ramos D, Reyes-Batlle M, Bellini NK, Rodríguez-Expósito RL, Piñero JE, Lorenzo-Morales J. Free-Living Amoebae in Soil Samples from Santiago Island, Cape Verde. Microorganisms 2021; 9:microorganisms9071460. [PMID: 34361894 PMCID: PMC8306126 DOI: 10.3390/microorganisms9071460] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/01/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022] Open
Abstract
Free-Living Amoebae (FLA) are widely distributed protozoa, which contain some groups considered as pathogenic microorganisms. These members are able to produce several opportunistic diseases including epithelial disorders, such as keratitis and fatal encephalitis. Even though they have been reported in numerous sources, such as soils, dust and water, there is no legislation related to the presence of these protozoa in soil-related environments worldwide. Therefore, there are no established prevention or disinfection protocols to advise the population regarding FLA infections or eliminate these microorganisms from human-related environments to date. Acanthamoeba spp. are the most common FLA isolated in soil samples, which is also the most common genera found in clinical cases. Thus, the aim of the present study was to evaluate the presence of potentially pathogenic FLA in human-related soil samples of Santiago Island, Cabo Verde. A total of 26 soil samples were seeded in non-nutrient agar plates (2%), incubated at 26 °C, and monitored daily to evaluate the presence of FLA. DNA was extracted from those plates on which there was suspected FLA growth, and PCR amplification of the 18S rRNA gene was carried out. A total of 17 from the 26 analysed samples were positive for FLA, where Acanthamoeba is the most abundant isolated genus (14/17; 82.4%), with the T4 genotype being the most common (13/14; 92.9%), followed by the T5 genotype, A. lenticulata (1/14; 7.1%). Moreover, Vermamoeba vermiformis, Stenamoeba dejonckheerei and Vannella pentlandi were isolated in three other samples. To the best of our knowledge, this is the first report of FLA presence in Cape Verde and the first report of V. vermiformis in beach sand worldwide.
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Affiliation(s)
- Djeniffer Sousa-Ramos
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avda. Astrofísico Fco. Sánchez s/n, 38203 San Cristóbal de La Laguna, Tenerife, Spain; (D.S.-R.); (N.K.B.); (R.L.R.-E.)
| | - María Reyes-Batlle
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avda. Astrofísico Fco. Sánchez s/n, 38203 San Cristóbal de La Laguna, Tenerife, Spain; (D.S.-R.); (N.K.B.); (R.L.R.-E.)
- Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Universidad de Salamanca, 37008 Salamanca, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna (ULL), 38200 San Cristóbal de La Laguna, Tenerife, Spain
- Correspondence: (M.R.-B.); (J.E.P.); (J.L.-M.)
| | - Natália K. Bellini
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avda. Astrofísico Fco. Sánchez s/n, 38203 San Cristóbal de La Laguna, Tenerife, Spain; (D.S.-R.); (N.K.B.); (R.L.R.-E.)
- Instituto de Física de São Carlos, Universidade de São Paulo, Caixa Postal 369, São Carlos 13560-590, SP, Brazil
| | - Rubén L. Rodríguez-Expósito
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avda. Astrofísico Fco. Sánchez s/n, 38203 San Cristóbal de La Laguna, Tenerife, Spain; (D.S.-R.); (N.K.B.); (R.L.R.-E.)
- Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Universidad de Salamanca, 37008 Salamanca, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna (ULL), 38200 San Cristóbal de La Laguna, Tenerife, Spain
| | - José E. Piñero
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avda. Astrofísico Fco. Sánchez s/n, 38203 San Cristóbal de La Laguna, Tenerife, Spain; (D.S.-R.); (N.K.B.); (R.L.R.-E.)
- Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Universidad de Salamanca, 37008 Salamanca, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna (ULL), 38200 San Cristóbal de La Laguna, Tenerife, Spain
- Correspondence: (M.R.-B.); (J.E.P.); (J.L.-M.)
| | - Jacob Lorenzo-Morales
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avda. Astrofísico Fco. Sánchez s/n, 38203 San Cristóbal de La Laguna, Tenerife, Spain; (D.S.-R.); (N.K.B.); (R.L.R.-E.)
- Red de Investigación Cooperativa en Enfermedades Tropicales (RICET), Universidad de Salamanca, 37008 Salamanca, Spain
- Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna (ULL), 38200 San Cristóbal de La Laguna, Tenerife, Spain
- Correspondence: (M.R.-B.); (J.E.P.); (J.L.-M.)
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“Feast-Fit-Fist-Feat”: Overview of Free-living Amoeba Interactions with Fungi and Virulence as a Foundation for Success in Battle. CURRENT TROPICAL MEDICINE REPORTS 2021. [DOI: 10.1007/s40475-020-00220-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Geisen S, Mitchell EAD, Adl S, Bonkowski M, Dunthorn M, Ekelund F, Fernández LD, Jousset A, Krashevska V, Singer D, Spiegel FW, Walochnik J, Lara E. Soil protists: a fertile frontier in soil biology research. FEMS Microbiol Rev 2018; 42:293-323. [DOI: 10.1093/femsre/fuy006] [Citation(s) in RCA: 212] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 02/12/2018] [Indexed: 12/27/2022] Open
Affiliation(s)
- Stefan Geisen
- Department of Terrestrial Ecology, Netherlands Institute of Ecology, 6708 PB Wageningen, The Netherlands
- Laboratory of Nematology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Edward A D Mitchell
- Laboratory of Soil Biodiversity, University of Neuchâtel, Rue Emile-Argand 11, Neuchâtel 2000, Switzerland
- Jardin Botanique de Neuchâtel, Chemin du Perthuis-du-Sault 58, Neuchâtel 2000, Switzerland
| | - Sina Adl
- Department of Soil Sciences, College of Agriculture and Bioresources, University of Saskatchewan, 51 Campus Drive, Saskatoon, Canada
| | - Michael Bonkowski
- Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Institute of Zoology, Terrestrial Ecology, Zülpicher Straße 47b, 50674 Köln, Germany
| | - Micah Dunthorn
- Department of Ecology, University of Kaiserslautern, Erwin-Schrödinger Straße, 67663 Kaiserslautern, Germany
| | - Flemming Ekelund
- Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark
| | - Leonardo D Fernández
- Centro de Investigación en Recursos Naturales y Sustentabilidad (CIRENYS), Universidad Bernardo O’Higgins, Avenida Viel 1497, Santiago, Chile
| | - Alexandre Jousset
- Department of Ecology and Biodiversity, Utrecht University, 3584 CH Utrecht, The Netherlands
| | - Valentyna Krashevska
- University of Göttingen, J.F. Blumenbach Institute of Zoology and Anthropology, Untere Karspüle 2, 37073 Göttingen, Germany
| | - David Singer
- Laboratory of Soil Biodiversity, University of Neuchâtel, Rue Emile-Argand 11, Neuchâtel 2000, Switzerland
| | - Frederick W Spiegel
- Department of Biological Sciences, University of Arkansas, Fayetteville, AR, 72701, United States of America
| | - Julia Walochnik
- Molecular Parasitology, Institute of Tropical Medicine, Medical University, 1090 Vienna, Austria
| | - Enrique Lara
- Laboratory of Soil Biodiversity, University of Neuchâtel, Rue Emile-Argand 11, Neuchâtel 2000, Switzerland
- Real Jardín Botánico, CSIC, Plaza de Murillo 2, 28014 Madrid, Spain
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Milanez GD, Masangkay FR, Thomas RC, Ordona MOGO, Bernales GQ, Corpuz VCM, Fortes HSV, Garcia CMS, Nicolas LC, Nissapatorn V. Molecular identification of Vermamoeba vermiformis from freshwater fish in lake Taal, Philippines. Exp Parasitol 2017; 183:201-206. [DOI: 10.1016/j.exppara.2017.09.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 09/06/2017] [Accepted: 09/11/2017] [Indexed: 11/28/2022]
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Parasitic amoebae found in water bodies of Ukraine. Exp Parasitol 2017; 183:81-84. [PMID: 29103901 DOI: 10.1016/j.exppara.2017.10.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 10/01/2017] [Accepted: 10/29/2017] [Indexed: 11/20/2022]
Abstract
Two parasitic amoebian species are found in mollusks of the water bodies of Ukraine. Vahlkampfia sp. is found in hepatopankreas of Unio conus Spengler, 1793, and Acanthamoeba sp. is observed in mantle cavity of Viviparus viviparus Linnaeus, 1758. For these protist species, the mollusks are shown to be intermediate hosts where amoebae feed and reproduce. An experimental infection with Vahlkampfia sp. and Acanthamoeba sp. was not successful, no pathological changes in mollusks were observed. These amoebae are successfully cultured in fresh water and agar medium, hence we can safely consider them free-living.
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Diversity of free-living amoebae in soils and their associated human opportunistic bacteria. Parasitol Res 2017; 116:3151-3162. [DOI: 10.1007/s00436-017-5632-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 09/21/2017] [Indexed: 02/06/2023]
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Moreno-Mesonero L, Moreno Y, Alonso JL, Ferrús MA. Detection of viable Helicobacter pylori inside free-living amoebae in wastewater and drinking water samples from Eastern Spain. Environ Microbiol 2017; 19:4103-4112. [PMID: 28707344 DOI: 10.1111/1462-2920.13856] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 06/29/2017] [Accepted: 07/06/2017] [Indexed: 12/26/2022]
Abstract
Helicobacter pylori is one of the most concerning emerging waterborne pathogens. It has been suggested that it could survive in water inside free-living amoebae (FLA), but nobody has studied this relationship in the environment yet. Thus, we aimed to detect viable H. pylori cells from inside FLA in water samples. Sixty-nine wastewater and 31 drinking water samples were collected. FLA were purified and identified by PCR and sequencing. For exclusively detecting H. pylori inside FLA, samples were exposed to sodium hypochlorite and assayed by specific PMA-qPCR, DVC-FISH and culture. FLA were detected in 38.7% of drinking water and 79.7% of wastewater samples, even after disinfection. In wastewater, Acanthamoeba spp. and members of the family Vahlkampfiidae were identified. In drinking water, Acanthamoeba spp. and Echinamoeba and/or Vermamoeba were present. In 39 (58.2%) FLA-positive samples, H. pylori was detected by PMA-qPCR. After DVC-FISH, 21 (31.3%) samples harboured viable H. pylori internalized cells. H. pylori was cultured from 10 wastewater samples. To our knowledge, this is the first report that demonstrates that H. pylori can survive inside FLA in drinking water and wastewater, strongly supporting the hypothesis that FLA could play an important role in the transmission of H. pylori to humans.
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Affiliation(s)
- Laura Moreno-Mesonero
- Research Institute of Water and Environmental Engineering (IIAMA), Universitat Politècnica de València, Valencia 46022, Spain
| | - Yolanda Moreno
- Research Institute of Water and Environmental Engineering (IIAMA), Universitat Politècnica de València, Valencia 46022, Spain
| | - José Luis Alonso
- Research Institute of Water and Environmental Engineering (IIAMA), Universitat Politècnica de València, Valencia 46022, Spain
| | - M Antonia Ferrús
- Research Institute of Water and Environmental Engineering (IIAMA), Universitat Politècnica de València, Valencia 46022, Spain.,Biotechnology Department, Universitat Politècnica de València, Valencia 46022, Spain
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