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de Araújo AD, Carvalho ODS, Gava SG, Caldeira RL. DNA barcoding as a valuable tool for delimiting mollusk species of the genus Biomphalaria Preston, 1910 (Gastropoda: Planorbidae). Front Cell Infect Microbiol 2023; 13:1167787. [PMID: 37168391 PMCID: PMC10165093 DOI: 10.3389/fcimb.2023.1167787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 03/22/2023] [Indexed: 05/13/2023] Open
Abstract
Introduction The genus Biomphalaria in Brazil includes 11 species and one subspecies, three of which are intermediate hosts of Schistosoma mansoni. Due to the recent evolution of this group, some species are difficult to identify based on morphological characters, making the use of genetic markers necessary for species identification. This study aimed to evaluate the use of partial sequences of the cytochrome c oxidase I (coi) gene for the identification of Biomphalaria species using phylogenetic reconstruction and species delimitation algorithms. The study tested the use of DNA barcoding technique for species delimitation within the genus. Methods DNA barcoding was performed by sequencing a partial region of the coi gene from specimens, and the sequences were analyzed using phylogenetic reconstruction and algorithms to delimit Operational Taxonomic Units (OTUs). Results The study found that the use of the coi gene in the reconstruction of the phylogeny of the genus might be an alternative for understanding the evolution and dispersion of species. However, this marker alone is not enough to solve complex taxonomic problems within the genus. A total of 223 sequences were analyzed, 102 of which could be separated using the barcode gap, enabling the correct identification of seven taxa. Discussion The study demonstrated that accurate mollusk identification is necessary for effective schistosomiasis control. The DNA barcoding methodology was found to be promising for accurate mollusk identification, which is crucial for concentrating schistosomiasis control efforts in places where it is needed.
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Al-Olayan E, Elamin M, Alshehri E, Aloufi A, Alanazi Z, Almayouf M, Bakr L, Abdel-Gaber R. Morphological, Molecular, and Pathological Appraisal of Hymenolepis nana (Hymenolepididae) Infecting Laboratory Mice ( Mus musculus). MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2020; 26:348-362. [PMID: 32131927 DOI: 10.1017/s1431927620000161] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Hymenolepis nana, typically a parasite found in conventionally established mouse colonies, has zoonotic potential characterized by autoinfection and direct life cycle. The objective of this study was to determine the rate of parasite infection in laboratory mice. The hymenolepidide cestode infected 40% of the 50 mice sampled. The rate of infection in males (52%) was higher than in females (28%). Morphological studies on the cestode parasite showed that worms had a globular scolex with four suckers, a retractable rostellum with 20-30 hooks, and a short unsegmented neck. In addition, the remaining strobila consisted of immature, mature, and gravid proglottids, irregularly alternating genital pores, lobulated ovaries, postovarian vitelline glands, and uteri with up to 200 eggs in their gravid proglottids. The parasite taxonomy was confirmed by using molecular characterization based on the sequence analysis of the mitochondrial cytochrome c oxidase subunit 1 (mtCOX1) gene. The parasite recovered was up to 80% identical to other species in GenBank. High blast scores and low divergence were noted between the isolated parasite and previously described H. nana (gb| AP017666.1). The phylogenetic analysis using the COX1 sequence places this hymenolepidid species of the order Cyclophyllidea.
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Affiliation(s)
- Ebtsam Al-Olayan
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Maha Elamin
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Eman Alshehri
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Abeer Aloufi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
- Research Chair of Vaccines, Deanship of Scientific Research, King Saud University, Riyadh, Saudi Arabia
| | - Zainab Alanazi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mina Almayouf
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Lamia Bakr
- Department of Zoology, Faculty of Science, Tanta University, Tanta, Egypt
| | - Rewaida Abdel-Gaber
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
- Department of Zoology, Faculty of Science, Cairo University, Cairo, Egypt
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Habib MR, Lv S, Guo YH, Gu WB, Standley CJ, Caldeira RL, Zhou XN. Morphological and molecular characterization of invasive Biomphalaria straminea in southern China. Infect Dis Poverty 2018; 7:120. [PMID: 30526682 PMCID: PMC6286595 DOI: 10.1186/s40249-018-0505-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Accepted: 11/15/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Schistosomiasis is a common parasitic disease designated as a neglected tropical disease by the World Health Organization. Schistosomiasis mansoni is a form of the disease that is caused by the digenean trematode Schistosoma mansoni, transmitted through Biomphalaria spp. as an intermediate host. Biomphalaria was introduced to Hong Kong, China in aquatic plants shipments coming from Brazil and the snail rapidly established its habitats in southern China. Earlier studies of Biomphalaria spp. introduced to southern China identified the snails as Biomphalaria straminea, one of the susceptible species implicated in S. mansoni transmission in South America. However, recent molecular investigations also indicated the presence of another South American species, B. kuhniana, which is refractory to infection. As such, it is important to identify accurately the species currently distributed in southern China, especially with emerging reports of active S. mansoni infections in Chinese workers returning from Africa. METHODS We combined morphological and molecular taxonomy tools to precisely identify Biomphalaria spp. distributed in Guangdong Province, southern China. In order to clearly understand the molecular profile of the species, we constructed a phylogeny using mtDNA data (COI and 16S rRNA sequences) from six populations of Biomphalaria spp. from Shenzhen City in Guangdong Province. In addition, we examined the external morphology of the shell and internal anatomy of the reproductive organs. RESULTS Both morphological and molecular evidences indicated a close affinity between Biomphalaria spp. populations from Guangdong and B. straminea from Brazil. The shell morphology was roughly identical in all the populations collected with rounded whorls on one side and subangulated on the other, a smooth periphery, an egg-shaped aperture bowed to one side, and a deep umbilicus. The shape and number of prostate diverticula (ranged from 11.67 to 17.67) in Guangdong populations supports its close affinity to B. straminea rather than B. kuhniana. Molecular analysis did not conflict with morphological analysis. Little genetic differentiation was observed within Biomphalaria populations collected. Phylogenetic analysis of COI and 16S rRNA haplotypes from snails collected and B. straminea sequences from Brazil and China using Bayesian inference revealed that Guangdong populations were clustered in one clade with B. straminea from Hong Kong of China and B. straminea from Brazil indicating their close affinity to each other. CONCLUSIONS Data obtained in the current study clearly show that the populations of Biomphalaria spp. investigated are B. straminea, and we assume that those snails were either introduced via passive dispersal from Hong Kong of China or as a result of multiple introduction routes from Brazil.
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Affiliation(s)
- Mohamed R. Habib
- Medical Malacology Laboratory, Theodor Bilharz Research Institute, Giza, 12411 Egypt
- National Institute of Parasitic Diseases, Chinese Center for Diseases Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health, Shanghai, 200025 China
- Chinese Center for Tropical Diseases Research; WHO Collaborating Centre for Tropical Diseases; National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai, 200025 China
| | - Shan Lv
- National Institute of Parasitic Diseases, Chinese Center for Diseases Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health, Shanghai, 200025 China
- Chinese Center for Tropical Diseases Research; WHO Collaborating Centre for Tropical Diseases; National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai, 200025 China
| | - Yun-Hai Guo
- National Institute of Parasitic Diseases, Chinese Center for Diseases Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health, Shanghai, 200025 China
- Chinese Center for Tropical Diseases Research; WHO Collaborating Centre for Tropical Diseases; National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai, 200025 China
| | - Wen-Biao Gu
- National Institute of Parasitic Diseases, Chinese Center for Diseases Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health, Shanghai, 200025 China
- Chinese Center for Tropical Diseases Research; WHO Collaborating Centre for Tropical Diseases; National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai, 200025 China
| | - Claire J. Standley
- Milken Institute, School of Public Health, George Washington University, Washington, D.C, 20052 USA
| | - Roberta L. Caldeira
- Grupo de Pesquisas em Helmintologia e Malacologia Médica, Instituto René Rachou/Fiocruz, Av. Augusto de Lima, Belo Horizonte, MG 1715 Brazil
| | - Xiao-Nong Zhou
- National Institute of Parasitic Diseases, Chinese Center for Diseases Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health, Shanghai, 200025 China
- Chinese Center for Tropical Diseases Research; WHO Collaborating Centre for Tropical Diseases; National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai, 200025 China
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Bezerra FSDM, Pinheiro MCC, Silva Filho JDD, Castro IMND, Caldeira RL, Sousa MS, Cavalcante AB, Ramos Júnior AN. Identification of Biomphalaria sp. and other freshwater snails in the large-scale water transposition project in the Northeast of Brazil. Rev Inst Med Trop Sao Paulo 2018; 60:e41. [PMID: 30133601 PMCID: PMC6103326 DOI: 10.1590/s1678-9946201860041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 07/06/2018] [Indexed: 12/22/2022] Open
Abstract
The wide eco-bio-social intervention generated by the SaoFrancisco River
Integration Project (PISF) may contribute to the dispersion or introduction of
schistosomiasis intermediate hosts in areas without prior recording. The
objective was to characterize the limnic malacofauna and its distribution along
watersheds involved in the PISF. A cross-sectional study based on the collection
of mollusks from 33 water bodies, from Aurora, Brejo Santo, Jaguaretama,
Jaguaribara, Jati e Mauriti municipalities in the Ceara (CE) State was
developed. The conchological characteristics were used to identify snails at the
genus level. The snails of the genus Biomphalaria were analyzed
for the presence of Schistosoma mansoni cercariae and the
molecular identification (only mollusks from Brejo Santo-CE) for differentiation
between species. The following species were found: Biomphalaria
sp.; Drepanotrema sp.; Melanoides sp.;
Physa sp.; and Pomacea sp.
Pomacea sp. (75.8%) and Biomphalaria sp.
(72.7%) were the most prevalent species. All municipalities showed
Biomphalaria sp. Biomphalaria straminea
(Porcos Stream) and Biomphalaria kuhniana was identified in the
Boi 1 and Cipo reservoirs (Brejo Santo). The evaluated municipalities under the
influence of the PISF present areas with potential for schistosomiasis
transmission. It is necessary to intensify control actions and health
surveillance in these areas.
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Affiliation(s)
- Fernando Schemelzer de Moraes Bezerra
- Universidade Federal do Ceará, Faculdade de Medicina, Programa de Pós-Graduação em Patologia, Fortaleza, Ceará, Brazil.,Universidade Federal do Ceará, Faculdade de Medicina, Programa de Pós-Graduação em Ciências Médicas, Fortaleza, Ceará, Brazil.,Universidade Federal do Ceará, Departamento de Análises Clínicas e Toxicológicas, Laboratório de Pesquisa em Parasitologia e Biologia de Moluscos, Fortaleza, Ceará, Brazil
| | | | - José Damião da Silva Filho
- Universidade Federal do Ceará, Departamento de Análises Clínicas e Toxicológicas, Laboratório de Pesquisa em Parasitologia e Biologia de Moluscos, Fortaleza, Ceará, Brazil
| | | | - Roberta Lima Caldeira
- Fundação Oswaldo Cruz-Fiocruz, Instituto René Rachou, Grupo de Pesquisa em Helmintologia e Malacologia Médica, Belo Horizonte, Minas Gerais, Brazil
| | - Mariana Silva Sousa
- Universidade Federal do Ceará, Faculdade de Medicina, Programa de Pós-Graduação em Ciências Médicas, Fortaleza, Ceará, Brazil
| | | | - Alberto Novaes Ramos Júnior
- Universidade Federal do Ceará, Faculdade de Medicina, Programa de Pós-Graduação em Saúde Pública, Fortaleza, Ceará, Brazil
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Sanogo B, Yuan D, Zeng X, Zhang Y, Wu Z. RETRACTED: Diversity and Compatibility of Human Schistosomes and Their Intermediate Snail Hosts. Trends Parasitol 2018; 34:493-510. [PMID: 29627269 DOI: 10.1016/j.pt.2018.03.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 02/22/2018] [Accepted: 03/15/2018] [Indexed: 01/13/2023]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal)
This article has been retracted at the request of the authors: Benjamin Sanogo, Dongjuan Yuan, Xin Zeng, Yanhua Zhang, and Zhongdao Wu.
Our article reviews the evolution, geography, diversity, genetics and host-compatibility of human schistosomes and their hosts. It has come to our attention that readers have found some of the content in the article to be confusing or misleading. As authors, we have tried our best to share our scientific discovery and understanding faithfully, but we also agree that scientific reports should stand up to doubt and discussion. After serious consideration, to avoid confusion in the Schistosoma research community, we are retracting the Review. We apologize to the community for any inconvenience we have caused.
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Affiliation(s)
- Benjamin Sanogo
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Tropical Diseases Control (SYSU), Ministry of Education, Guangzhou 510080, China; Provincial Engineering Technology Research Center for Diseases-vectors Control, Guangdong, Guangzhou 510080, China
| | - Dongjuan Yuan
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Tropical Diseases Control (SYSU), Ministry of Education, Guangzhou 510080, China; Provincial Engineering Technology Research Center for Diseases-vectors Control, Guangdong, Guangzhou 510080, China
| | - Xin Zeng
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Tropical Diseases Control (SYSU), Ministry of Education, Guangzhou 510080, China; Provincial Engineering Technology Research Center for Diseases-vectors Control, Guangdong, Guangzhou 510080, China
| | - Yanhua Zhang
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Tropical Diseases Control (SYSU), Ministry of Education, Guangzhou 510080, China; Provincial Engineering Technology Research Center for Diseases-vectors Control, Guangdong, Guangzhou 510080, China
| | - Zhongdao Wu
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Tropical Diseases Control (SYSU), Ministry of Education, Guangzhou 510080, China; Provincial Engineering Technology Research Center for Diseases-vectors Control, Guangdong, Guangzhou 510080, China
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Simões LF, Bastos LDB, Camargo EAF, Neves MF, Linhares AX, Magalhães LA, Zanotti-Magalhães EM. Host-parasite relationship between Biomphalaria amazonica (Paraense, 1966) and Schistosoma mansoni (Sambon, 1907). BRAZ J BIOL 2016; 77:340-346. [PMID: 27683807 DOI: 10.1590/1519-6984.14415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 02/04/2016] [Indexed: 11/22/2022] Open
Abstract
Biomphalaria amazonica is a planorbid species considered a potential host of Schistosoma mansoni. It is widely distributed in the Neotropical zone, particularly in the North and Centre-West of Brazil and in the North of Bolivia. The aim of the present study was to determine the host-parasite relationship between B. amazonica and S. mansoni (BH and SJ strains). Specimens of B. amazonica and their snail-conditioned water were examined in terms of their ability to attract miracidia. The infectivity of the mollusks was determined by exposing them to 20 miracidia of both strains. Sporocyst development and amebocyte reactions were studied after each mollusk specimen was exposed to 100 miracidia. Although no cercariae were eliminated, specimens of B. amazonica proved capable of attracting 77% of the miracidia they were exposed to. Viable sporocysts with no amebocyte reaction were found 96 hours after the exposure to miracidia. These results indicate the susceptibility of B. amazonica to the BH and SJ strains of S. mansoni, and therefore demonstrate the importance of this planorbid species as a potential vector of the trematode in the areas where it occurs.
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Affiliation(s)
- L F Simões
- Department of Animal Biology, Institute of Biology, Universidade Estadual de Campinas - UNICAMP, Cidade Universitária, Barão Geraldo, CP 6109, CEP 13083-970, Campinas, SP, Brazil
| | - L D B Bastos
- Department of Animal Biology, Institute of Biology, Universidade Estadual de Campinas - UNICAMP, Cidade Universitária, Barão Geraldo, CP 6109, CEP 13083-970, Campinas, SP, Brazil
| | - E A F Camargo
- Department of Animal Biology, Institute of Biology, Universidade Estadual de Campinas - UNICAMP, Cidade Universitária, Barão Geraldo, CP 6109, CEP 13083-970, Campinas, SP, Brazil
| | - M F Neves
- Department of Animal Biology, Institute of Biology, Universidade Estadual de Campinas - UNICAMP, Cidade Universitária, Barão Geraldo, CP 6109, CEP 13083-970, Campinas, SP, Brazil
| | - A X Linhares
- Department of Animal Biology, Institute of Biology, Universidade Estadual de Campinas - UNICAMP, Cidade Universitária, Barão Geraldo, CP 6109, CEP 13083-970, Campinas, SP, Brazil
| | - L A Magalhães
- Department of Animal Biology, Institute of Biology, Universidade Estadual de Campinas - UNICAMP, Cidade Universitária, Barão Geraldo, CP 6109, CEP 13083-970, Campinas, SP, Brazil
| | - E M Zanotti-Magalhães
- Department of Animal Biology, Institute of Biology, Universidade Estadual de Campinas - UNICAMP, Cidade Universitária, Barão Geraldo, CP 6109, CEP 13083-970, Campinas, SP, Brazil
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Sharma S, Lyngdoh D, Roy B, Tandon V. Differential diagnosis and molecular characterization of Hymenolepis nana and Hymenolepis diminuta (Cestoda: Cyclophyllidea: Hymenolepididae) based on nuclear rDNA ITS2 gene marker. Parasitol Res 2016; 115:4293-4298. [PMID: 27473838 DOI: 10.1007/s00436-016-5210-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 07/21/2016] [Indexed: 11/29/2022]
Abstract
Given the widespread distribution and medical implication of members of the genus Hymenolepis, specific identification of the aetiological agent becomes imperative. For precise diagnosis of the species, molecular techniques such as PCR and RFLP of the nuclear ribosomal internal transcribed spacer 2 (rDNA-ITS2) gene marker were carried out. The results showed distinct restriction patterns for both Hymenolepis nana and Hymenolepis diminuta when digested with either of the enzymes RsaI, HaeIII or HhaI. The annotated rDNA-ITS2 sequences from the two species revealed differences in the length; the folded secondary structure also depicted clear demarcation between the two species with variations in length of the helices, pyrimidine-pyrimidine mismatches and sites where motifs occur. In phylogenetic analysis of the evolutionary relationship between the two species as well as with other members of the family Hymenolepididae, the species causing human hymenolepiasis were found to be distantly related as they diverged independently from the ancestral lineage.
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Affiliation(s)
- Sunil Sharma
- Department of Zoology, North-Eastern Hill University, Shillong, 793022, Meghalaya, India
| | - Damanbha Lyngdoh
- Department of Zoology, North-Eastern Hill University, Shillong, 793022, Meghalaya, India
| | - Bishnupada Roy
- Department of Zoology, North-Eastern Hill University, Shillong, 793022, Meghalaya, India
| | - Veena Tandon
- Department of Zoology, North-Eastern Hill University, Shillong, 793022, Meghalaya, India. .,Biotech Park, Lucknow, 226021, Uttar Pradesh, India.
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