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Dumidae A, Homkeaw C, Subkrasae C, Ardpairin J, Pansri S, Polseela R, Phoungpetchara I, Kumchantuek T, Tandhavanan S, Thanwisai A, Vitta A. Molluscicidal property of symbiotic bacteria associated with entomopathogenic nematodes against Indoplanorbis exustus and Radix rubiginosa, the intermediate hosts of trematode parasites. Parasite Epidemiol Control 2024; 27:e00375. [PMID: 39286263 PMCID: PMC11402155 DOI: 10.1016/j.parepi.2024.e00375] [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: 02/22/2024] [Revised: 05/09/2024] [Accepted: 08/25/2024] [Indexed: 09/19/2024] Open
Abstract
Indoplanorbis exustus and Radix rubiginosa act as intermediate hosts for veterinary and medical trematode parasites. Snail control is a strategy used to decrease the number of snails and interrupt the life cycle of parasites. The objective of this study was to evaluate the efficacy of Xenorhabdus and Photorhabdus extracts against I. exustus and R. rubiginosa in the laboratory. Ethyl acetate extracts of selected symbiotic bacteria were tested for their molluscicidal activities according to World Health Organization guidelines. Additionally, pathological changes in the snails were observed after treatment with the LC50 values under a light microscope. Indoplanorbis exustus and R. rubiginosa were susceptible to all ethyl acetate extracts of symbiotic bacteria. The lowest LC50 and LC90 at 24 h for I. exustus after exposure to Photorhabdus laumondii subsp. laumondii (bALN18.2_TH) extracts were 81.66 and 151.02 ppm, respectively. Similarly, the lowest LC50 and LC90 at 24 h for R. rubiginosa after exposure to Photorhabdus luminescence subsp. akhurstii (bAPY3.5_TH) extracts were 49.21 and 147.66 ppm, respectively. Photorhabdus species had more substantial molluscicidal effects than Xenorhabdus on these snails. The ethyl acetate extracts of these bacteria are effective when contacting the epithelial cells and foot muscle of the snails. To our knowledge, this is the first report on using Xenorhabdus and Photorhabdus extracts to evaluate molluscicidal activities. These symbiotic bacteria, Xenorhabdus and Photorhabdus, may be useful for controlling snail intermediate hosts.
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Affiliation(s)
- Abdulhakam Dumidae
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Chanatinart Homkeaw
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Chanakan Subkrasae
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Jiranun Ardpairin
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Supawan Pansri
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Raxsina Polseela
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
- Centre of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
- Center of Excellence for Biodiversity, Faculty of Sciences, Naresuan University, Phitsanulok 65000, Thailand
| | - Ittipon Phoungpetchara
- Department of Anatomy, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
| | - Tewarat Kumchantuek
- Department of Anatomy, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
| | - Sarunporn Tandhavanan
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Aunchalee Thanwisai
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
- Centre of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
- Center of Excellence for Biodiversity, Faculty of Sciences, Naresuan University, Phitsanulok 65000, Thailand
| | - Apichat Vitta
- Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
- Centre of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
- Center of Excellence for Biodiversity, Faculty of Sciences, Naresuan University, Phitsanulok 65000, Thailand
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Saglam N, Melissaratos DS, Shain DH. Biocontrol of snail-borne parasites with the glossiphoniid leech, Helobdella austinensis. Biol Lett 2023; 19:20220484. [PMID: 37042130 PMCID: PMC10090873 DOI: 10.1098/rsbl.2022.0484] [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: 10/26/2022] [Accepted: 03/22/2023] [Indexed: 04/13/2023] Open
Abstract
Parasites in which freshwater snails are intermediate hosts pose a serious threat to human health worldwide. We show here that freshwater snails can potentially be controlled by leech predation; in principle, this approach could significantly reduce snail-borne parasitic diseases (SBPDs). Specifically, glossiphoniid leeches, Helobdella austinensis and congener species, consume freshwater snails indiscriminately, while other common leeches do not. A single adult H. austenensis, for example, can consume up to its weight in snails, e.g. Physella acuta, per day. Our predator-prey models suggest that snail populations could be eliminated in relatively short time periods (approximately six months) using a leech biocontrol approach. This could have considerable impact on global SBPDs by breaking the intermediate host life cycle.
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Affiliation(s)
- Naim Saglam
- Department of Aquaculture and Fish Diseases, Fisheries Faculty, Firat University, 23200 Elazig, Turkey
| | - Diana S. Melissaratos
- Biology Department, Rutgers The State University of New Jersey, Joint Health Sciences Center, 201 South Broadway, Camden, NJ 08103, USA
| | - Daniel H. Shain
- Biology Department, Rutgers The State University of New Jersey, Joint Health Sciences Center, 201 South Broadway, Camden, NJ 08103, USA
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Lu XT, Gu QY, Limpanont Y, Song LG, Wu ZD, Okanurak K, Lv ZY. Snail-borne parasitic diseases: an update on global epidemiological distribution, transmission interruption and control methods. Infect Dis Poverty 2018; 7:28. [PMID: 29628017 PMCID: PMC5890347 DOI: 10.1186/s40249-018-0414-7] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 03/27/2018] [Indexed: 12/30/2022] Open
Abstract
Background Snail-borne parasitic diseases, such as angiostrongyliasis, clonorchiasis, fascioliasis, fasciolopsiasis, opisthorchiasis, paragonimiasis and schistosomiasis, pose risks to human health and cause major socioeconomic problems in many tropical and sub-tropical countries. In this review we summarize the core roles of snails in the life cycles of the parasites they host, their clinical manifestations and disease distributions, as well as snail control methods. Main body Snails have four roles in the life cycles of the parasites they host: as an intermediate host infected by the first-stage larvae, as the only intermediate host infected by miracidia, as the first intermediate host that ingests the parasite eggs are ingested, and as the first intermediate host penetrated by miracidia with or without the second intermediate host being an aquatic animal. Snail-borne parasitic diseases target many organs, such as the lungs, liver, biliary tract, intestines, brain and kidneys, leading to overactive immune responses, cancers, organ failure, infertility and even death. Developing countries in Africa, Asia and Latin America have the highest incidences of these diseases, while some endemic parasites have developed into worldwide epidemics through the global spread of snails. Physical, chemical and biological methods have been introduced to control the host snail populations to prevent disease. Conclusions In this review, we summarize the roles of snails in the life cycles of the parasites they host, the worldwide distribution of parasite-transmitting snails, the epidemiology and pathogenesis of snail-transmitted parasitic diseases, and the existing snail control measures, which will contribute to further understanding the snail-parasite relationship and new strategies for controlling snail-borne parasitic diseases. Electronic supplementary material The online version of this article (10.1186/s40249-018-0414-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiao-Ting Lu
- School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Qiu-Yun Gu
- School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yanin Limpanont
- Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand
| | - Lan-Gui Song
- Fifth Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangdong, China.,Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China.,Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, 510080, China
| | - Zhong-Dao Wu
- Fifth Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangdong, China.,Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China.,Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, 510080, China
| | - Kamolnetr Okanurak
- Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand
| | - Zhi-Yue Lv
- Fifth Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangdong, China. .,Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China. .,Provincial Engineering Technology Research Center for Biological Vector Control, Guangzhou, 510080, China.
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Yang F, Long E, Wen J, Cao L, Zhu C, Hu H, Ruan Y, Okanurak K, Hu H, Wei X, Yang X, Wang C, Zhang L, Wang X, Ji P, Zheng H, Wu Z, Lv Z. Linalool, derived from Cinnamomum camphora (L.) Presl leaf extracts, possesses molluscicidal activity against Oncomelania hupensis and inhibits infection of Schistosoma japonicum. Parasit Vectors 2014; 7:407. [PMID: 25174934 PMCID: PMC4158126 DOI: 10.1186/1756-3305-7-407] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 08/20/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Schistosomiasis japonicum remains a considerable economic and public health concern in China, the Philippines and Indonesia. Currently available measures to control the unique intermediate host Oncomelania hupensis are frequently associated with severe side effects. Previous studies have demonstrated that linalool-rich extracts from various plants exhibited promising biological activities including cytotoxic, anti-microbial and anti-parasitic properties. METHODS We identified the components of leaf extracts from Cinnamomum camphora by gas chromatography coupled to mass spectrometry (GC-MS) and investigated molluscicidal and larvicidal effects of linalool against O. hupensis and Schistosoma japonicium. The ultrastructural alterations in gills, salivary gland, stomach and hepatopancreas of snails were observed under the light microscope and transmission electron microscope, and lesions to tegument of cercaria were examined under a light microscope and fluorescence microscope. We then evaluated the effects of linalool on skin penetration and migration of schistosomula and adult survival by measurement of worm burden and egg counts in Balb/C mice infected with linalool-treated cercariae. RESULTS In the present work, 44 components were identified from the leaf extracts of C. camphora, of which linalool was the most abundant constituent. Linalool exhibited the striking molluscicidal and larvicidal effects with LC50 = 0.25 mg/L for O. hupensis and LC50 = 0.07 mg/L for cercaria of S. japonicium. After exposure to linalool, damage to the gills and hepatopancreas of the snails, and to the tegument and body-tail joint of cercariae was apparent. In addition, linalool markedly reduced the recovered schistosomulum from mouse skin after challenge infection, and therefore decreased the worm burden in infected animals, but not fecundity of female adults of the parasite. CONCLUSIONS Our findings indicated that linalool might be a novel chemotherapeutic agent against S. japonicium and the snail intermediate host.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Zhongdao Wu
- Zhongshan School of Medicine, Sun Yat-sen University, 74 2nd Zhongshan Road, Guangzhou 510080, China.
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