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Melanoides tuberculata

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https://www.readbyqxmd.com/read/29624583/the-life-cycle-of-a-zoonotic-parasite-reassessed-experimental-infection-of-melanoides-tuberculata-mollusca-thiaridae-with-centrocestus-formosanus-trematoda-heterophyidae
#1
Hudson A Pinto, Nicole Q Gonçalves, Danimar López-Hernandez, Eduardo A Pulido-Murillo, Alan L Melo
Centrocestus formosanus is a foodborne intestinal trematode that is native to Asia and has been introduced into the Americas and Europe. Although there are several studies of C. formosanus in definitive vertebrate hosts (birds and mammals, including humans), and in intermediate vertebrate hosts (fish and amphibians), there is little published information regarding interaction with its transmitting mollusc. In this study we studied the miracidial development of C. formosanus using a mouse as a source of eggs...
2018: PloS One
https://www.readbyqxmd.com/read/29503348/trematode-infections-in-farm-animals-and-their-vector-snails-in-saint-martin-s-island-the-southeastern-offshore-area-of-bangladesh-in-the-bay-of-bengal
#2
M Golam Yasin, Md Abdul Alim, Syed Ali Ahasan, Md Nuruzzaman Munsi, Emdadul Haque Chowdhury, Takeshi Hatta, Naotoshi Tsuji, Md Motahar Hussain Mondal
The prevalence of snail-borne trematode (SBT) infections in farm animals on the offshore Saint (St.) Martin's Island of Bangladesh were 68.9% for cattle, 76.7% for buffaloes, 56.3% for goats, respectively. Examination of fecal samples showed that paramphistomes infection was the most common at 50.5% followed by schistosomes at 23.7% and Fasciola at 2.3%. Fasciola infection was found in cattle (1.9%) and buffaloes (16.7%) but not in goats. Schistosome infection in cattle, buffaloes and goats were 31.1%, 6.7% and 17...
March 5, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29460753/fishborne-zoonotic-trematodes-transmitted-by-melanoides-tuberculata-snails-peru
#3
Eduardo A Pulido-Murillo, Luis Fernando V Furtado, Alan L Melo, Élida M L Rabelo, Hudson A Pinto
We investigated the transmission of the fishborne trematodes Centrocestus formosanus and Haplorchis pumilio by Melanoides tuberculata snails in Peru. We report on results of experimental, morphological, and molecular approaches and discuss the potential risk for future human cases, given the existence of food habits in the country involving the ingestion of raw fish.
March 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29237445/cost-of-resistance-to-trematodes-in-freshwater-snail-populations-with-low-clonal-diversity
#4
Yael Dagan, Evsey Kosman, Frida Ben-Ami
BACKGROUND: The persistence of high genetic variability in natural populations garners considerable interest among ecologists and evolutionary biologists. One proposed hypothesis for the maintenance of high levels of genetic diversity relies on frequency-dependent selection imposed by parasites on host populations (Red Queen hypothesis). A complementary hypothesis suggests that a trade-off between fitness costs associated with tolerance to stress factors and fitness costs associated with resistance to parasites is responsible for the maintenance of host genetic diversity...
December 13, 2017: BMC Ecology
https://www.readbyqxmd.com/read/29141037/edna-for-detection-of-five-highly-invasive-molluscs-a-case-study-in-urban-rivers-from-the-iberian-peninsula
#5
Laura Clusa, Laura Miralles, Ana Basanta, Carmelo Escot, Eva García-Vázquez
Biological invasions are an important threat to biodiversity especially in aquatic ecosystems, and their frequency is generally higher near urban areas. Potentially invasive non-indigenous molluscs were deliberately introduced into European waters for food (Corbicula fluminea) and biocontrol (Melanoides tuberculata), and unintentionally introduced by ballast water (Mytilopsis leucophaeata, Corbicula fluminea), stock contamination (Sinanodonta woodiana), accidental escapes from aquaculture (Sinanodonta woodiana), aquarium trade releases (Melanoides tuberculata) and even attached to aquatic birds (Corbicula fluminea)...
2017: PloS One
https://www.readbyqxmd.com/read/28615867/first-record-of-a-rare-transversotrematid-cercaria-larva-trematoda-digenea-from-rajasthan-india-focus-on-seasonal-occurrence-and-host-specificity-of-diverse-cercariae
#6
Shanti Lal Choubisa, Vishva Jeet Jaroli, Zulfiya Sheikh
During the survey of freshwater snail hosts and their digenean larval trematode parasites, a rare cercaria larva belonging to family Transversotrematidae and subclass Digenea (Trematoda) was recovered from the snail species Melanoides striatella tuberculata inhabiting perennial Som river of Udaipur district, Rajasthan, India. More than 28 % mature specimens of these snails were found to be infected with transversotrematid cercaria larvae in the spring season. Body of this cercaria is large, bowl-shaped, biocellate, spinose, transparent and laterally extended having two pigmented eye spots, two hold fast organs extended from the junction of body and tail, large tail with two foliated furcal rami, and cyclocoel intestinal caeca...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28300942/evaluation-of-the-feeding-preference-between-the-aquatic-macrophytes-egeria-densa-and-chara-indica-by-the-invasive-mollusk-melanoides-tuberculata
#7
E L Medeiros, G G Henry-Silva
This study evaluated the feeding preference of the invasive mollusk Melaniudes tuberculata between the aquatic macrophytes Egeria densa and Chara indica. The experiment consisted of twelve experimental units (glass aquariums) each of which contained three liters of water and three compartments. Fragments of E. densa and C. indica were placed in separate compartments within each unit; the third compartment, which did not contain macrophytes, was used as the control. Twenty Melanoides tuberculata individuals were placed in each unit and monitored hourly over the course of 24 hours for preferential movements...
April 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/27882434/new-locality-record-for-haplorchoides-mehrai-and-possible-interactions-with-opisthorchis-viverrini-metacercariae-in-cyprinid-fishes-in-northeast-thailand
#8
Yupin Manpratum, Wanlop Kaewkes, Pierre Echaubard, Banchob Sripa, Sasithorn Kaewkes
Metacercariae of Opisthorchis viverrini, a carcinogenic liver fluke, and Haplorchoides sp., a trematode maturing in catfish, are commonly found in cyprinid fish, the second intermediate hosts of both flukes. However, the specific identity of Haplorchoides sp. in Thailand and a precise assessment of the effects of co-infections with O. viverrini have never been clarified. Therefore, we aimed to identify the species of Haplorchoides and to investigate possible interactions of the two trematode species in cyprinid fishes...
February 2017: Parasitology Research
https://www.readbyqxmd.com/read/27599102/centrocestus-formosanus-trematoda-heterophyidae-in-melanoides-tuberculata-gastropoda-thiaridae-from-vila-do-abra%C3%A3-o-ilha-grande-rio-de-janeiro-brazil
#9
R F Ximenes, I C B Gonçalves, I C Miyahira, H A Pinto, A L Melo, S B Santos
Pleurolophocercous cercariae found in the invasive gastropod Melanoides tuberculata (Müller, 1774) collected in a stream of the Vila do Abraão, Ilha Grande, Angra dos Reis, Rio de Janeiro, Brazil were used for experimental infection that enabled the identification of the heterophyid trematode Centrocestus formosanus (Nishigori, 1924). The parasite has been found in the locality since 2007, after two years of the introduction of M. tuberculata. Recently, from a sample of 483 specimens collected in June 2013, 101 (21%) were found infected with parasite...
April 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/27498505/studies-on-monitoring-the-heavy-metal-contents-in-water-sediment-and-snail-species-in-latipada-reservoir
#10
Bhalchandra Waykar, Ram Petare
The concentrations of zinc, copper, cadmium and lead in surface water, sediments and two native snail species, Bellamya bengalensis and Melanoides tuberculata from Latipada reservoir were determined. The concentrations of cadmium and lead in surface water were higher than the WHO recommended limits for drinking water standards; where as those of zinc and copper were within the permissible limits. The concentrations of zinc, copper, cadmium and lead were higher in sediments than in water. The observed bioaccumulated level of zinc, copper, cadmium and lead in Bellamya bengalensis were Zn- 197...
July 2016: Journal of Environmental Biology
https://www.readbyqxmd.com/read/27328972/the-first-record-of-centrocestus-formosanus-nishigori-1924-digenea-heterophyidae-in-egypt
#11
F Yousif, M Ayoub, M Tadros, S El Bardicy
The life cycle of Centrocestus formosanus (Digenea: Heterophyidae) was to be successfully completed in the laboratory in the present study. Hundreds of the thiarid snail, Melanoides tuberculata, were collected from the main water course Mansouriya Canal, Giza Governorate, Egypt. The snails were individually exposed to artificial light to determine possible infection with trematode larvae. Fifteen snails were found infected with opthalmopleurolophocercous cercariae (infection index of 1.97). These opthalmopleurolophocercous cercariae shedded from snails were collected and placed in an aquarium with fish intermediate host, Gambusia affinis, to obtain metacercariae encysted in the gills...
September 2016: Experimental Parasitology
https://www.readbyqxmd.com/read/26812231/trematode-fluke-procerovum-varium-as-cause-of-ocular-inflammation-in-children-south-india
#12
Lalan Kumar Arya, Sivakumar R Rathinam, Prajna Lalitha, Usha R Kim, Sudeep Ghatani, Veena Tandon
Trematodes are recognized as a group of emerging parasites in tropical countries. We identified a trematode as a cause of ocular granulomas that developed in children who bathed in ponds or rivers in South India. DNA was isolated from patients' surgically excised granulomas and from the trematode cercariae (larvae) released by the snail Melanoides tuberculata in water in which the children bathed. Real-time and conventional PCRs were performed that targeted ribosomal DNA regions spanning the internal transcribed spacer 2 and 28S sequences of this trematode...
February 2016: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/26642755/the-role-of-rice-fields-fish-ponds-and-water-canals-for-transmission-of-fish-borne-zoonotic-trematodes-in-aquaculture-ponds-in-nam-dinh-province-vietnam
#13
Henry Madsen, Bui Thi Dung, Dang Tat The, Nguyen Khue Viet, Anders Dalsgaard, Phan Thi Van
BACKGROUND: Fish-borne zoonotic trematodes (FZT), such as Clonorchis sinensis, Opistorchis viverini (Opisthorchiidae) and intestinal trematodes of the family Heterophyidae, constitute a public health hazard in Vietnam and infections with these trematodes has been linked to consumption of raw or undercooked fish from aquaculture. The FZT transmission pathways, however, are more complicated than just the presence of intermediate snail hosts in aquaculture ponds as ponds may exchange water with surrounding habitats such as rice fields and irrigation canals and thereby these surrounding habitats may be a source of snails and cercariae and contribute to FZT infection in cultured fish...
2015: Parasites & Vectors
https://www.readbyqxmd.com/read/26335181/first-record-of-transversotrema-witenberg-1944-digenea-from-the-americas-with-comments-on-the-taxonomy-of-transversotrema-patialense-soparkar-1924-crusz-and-sathananthan-1960-and-an-updated-list-of-its-hosts-and-geographic-distribution
#14
Matthew R Womble, Stephanie J Cox-Gardiner, Thomas H Cribb, Stephen A Bullard
Specimens of Transversotrema patialense (sensu lato) ( Soparkar, 1924 ) Crusz and Sathananthan, 1960 (Digenea: Transversotrematidae) infected the skin (epidermal spaces beneath scales near pectoral fins) of 4 of 126 (prevalence 3%; mean intensity 1.8) zebrafish ( Danio rerio (Hamilton, 1822) [Cypriniformes: Cyprinidae]) purchased in 2009 and cultured by a California (USA) fish supplier. These fish were sold as "laboratory-reared" and "specific pathogen free," purportedly raised in a recirculating aquaculture system that included zebrafish only...
December 2015: Journal of Parasitology
https://www.readbyqxmd.com/read/26152614/associations-between-trematode-infections-in-cattle-and-freshwater-snails-in-highland-and-lowland-areas-of-iringa-rural-district-tanzania
#15
Jahashi Nzalawahe, Ayub A Kassuku, J Russell Stothard, Gerald C Coles, Mark C Eisler
The epidemiology of trematode infections in cattle was investigated within highland and lowland areas of Iringa Rural District, in southern Tanzania. Fecal samples were collected from 450 cattle in 15 villages at altitudes ranging from 696 to 1800 m above the sea level. Freshwater snails were collected from selected water bodies and screened for emergence of cercariae. The infection rates in cattle were Fasciola gigantica 28·2%, paramphistomes 62·8% and Schistosoma bovis 4·8%. Notably, prevalence of trematode infections in cattle was much higher in highland (altitude > 1500 m) as compared with lowland (altitude < 1500 m) areas and was statistically significant (P-value = 0·000) for F...
September 2015: Parasitology
https://www.readbyqxmd.com/read/26012230/studies-on-the-effect-of-pollution-on-lake-manzala-ecosystem-in-port-said-damietta-and-dakahlia-governorates-egypt
#16
Hanaa M M El-Khayat, Kadria M A Mahmoud, Hanan S Gaber, Hoda Abdel-Hamid, Hoda M A Abu Taleb
This work studied how pollution impacts the ecosystem of Lake Manzala by determination of physicochemical parameters, studying biodiversity of aquatic plants and macroinvertebrates, and determining bioaccumulation of Pb, Cu, Cd & Zn in some major organisms, Biomphalaria alexandrina and Melanoides tuberculata snails and Oreochromis niloticus fish. The more near to Mediterranean Sea and to the industrial area, Port-Said and Damietta sites showed higher dissolved oxygen and conductivity than Dakahlia sites. Distribution percentage of Eichhornia crassipes is high among Port-Said and Dakahlia sites of 100 and 88%, respectively, while Lemna giba is the most abundant among Damietta sites of 60%...
April 2015: Journal of the Egyptian Society of Parasitology
https://www.readbyqxmd.com/read/25886047/recurrent-camouflaged-invasions-and-dispersal-of-an-asian-freshwater-gastropod-in-tropical-africa
#17
Bert Van Bocxlaer, Catharina Clewing, Jean-Papy Mongindo Etimosundja, Alidor Kankonda, Oscar Wembo Ndeo, Christian Albrecht
BACKGROUND: Non-indigenous taxa currently represent a large fraction of the species and biomass of freshwater ecosystems. The accumulation of invasive taxa in combination with other stressors in these ecosystems may alter the habitats to which native taxa are adapted, which could elicit evolutionary changes in native populations and their ecological interactions. Assessing ecological and evolutionary consequences of invasions simultaneously may therefore be the most effective approach to study taxa with complex invasion histories...
2015: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/25776312/recurrent-camouflaged-invasions-and-dispersal-of-an-asian-freshwater-gastropod-in-tropical-africa
#18
Bert Van Bocxlaer, Catharina Clewing, Jean-Papy Mongindo Etimosundja, Alidor Kankonda, Oscar Wembo Ndeo, Christian Albrecht
BACKGROUND: Non-indigenous taxa currently represent a large fraction of the species and biomass of freshwater ecosystems. The accumulation of invasive taxa in combination with other stressors in these ecosystems may alter the habitats to which native taxa are adapted, which could elicit evolutionary changes in native populations and their ecological interactions. Assessing ecological and evolutionary consequences of invasions simultaneously may therefore be the most effective approach to study taxa with complex invasion histories...
December 2015: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/25586313/current-status-of-fish-borne-zoonotic-trematode-infections-in-gia-vien-district-ninh-binh-province-vietnam
#19
Nguyen Manh Hung, Do Trung Dung, Nguyen Thi Lan Anh, Phan Thi Van, Bui Ngoc Thanh, Nguyen Van Ha, Hoang Van Hien, Le Xuan Canh
BACKGROUND: Ninh Binh province is known as an endemic area of fish-borne zoonotic trematode (FZT) transmission in Vietnam. A cross-sectional study was conducted in Gia Minh and Gia Thinh communes of Gia Vien district, Ninh Binh province to investigate the infections with different stages of FZT in various host species. METHODS: Faecal samples from 1,857 humans were examined for trematode eggs using the Kato-Katz method, while faecal samples from 104 dogs, 100 cats, and 100 pigs were examined using the Formalin-ethyl acetate concentration technique (FECT)...
2015: Parasites & Vectors
https://www.readbyqxmd.com/read/25229292/a-malacological-survey-in-the-manso-power-plant-state-of-mato-grosso-brazil-new-records-of-freshwater-snails-including-transmitters-of-schistosomiasis-and-exotic-species
#20
Monica Ammon Fernandez, Aline Carvalho de Mattos, Elizangela Feitosa da Silva, Sonia Barbosa Dos Santos, Silvana Carvalho Thiengo
INTRODUCTION: Schistosomiasis is a parasitic disease of public health concern in Brazil, and the construction of hydroelectric dams, in addition to increasing permanent human settlement and tourism, has created conditions suitable for the establishment of mollusks that can transmit schistosomiasis. Such areas require a number of actions to prevent the establishment of schistosomiasis. This paper reports on a freshwater malacological survey carried out in the geographical area of the Manso Power Plant...
July 2014: Revista da Sociedade Brasileira de Medicina Tropical
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