Bulinus
Snails
Schistosoma
Schistosomiasis
Infection with flukes (trematodes) of the genus SCHISTOSOMA. Three species produce the most frequent clinical diseases: SCHISTOSOMA HAEMATOBIUM (endemic in Africa and the Middle East), SCHISTOSOMA MANSONI (in Egypt, northern and southern Africa, some West Indies islands, northern 2/3 of South America), and SCHISTOSOMA JAPONICUM (in Japan, China, the Philippines, Celebes, Thailand, Laos). S. mansoni is often seen in Puerto Ricans living in the United States.
Schistosoma haematobium
Schistosomiasis haematobia
Disease Vectors
Biomphalaria
Nigeria
Trematoda
Glutathione Transferase
Isoenzymes
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Techniques for estimating densities of Bulinus truncatus rohlfsi and its horizontal distribution in Volta Lake, Ghana. (1/36)
Bulinus truncatus rohlfsi is the intermediate host of urinary schistosomiasis, which is highly endemic in the man-made Volta Lake. In 1971, a WHO/UNDP schistosomiasis project was established in the Pawmpawm branch and part of the Afram branch of Volta Lake. Malacological findings of the preliminary phase indicated that the snails were distributed in the littoral zone of the lake, and that this distribution was correlated with the presence of vegetation, especially Ceratophyllum. Transmission nearly always occurred in "water contact sites", i.e., places where people come into contact with water.A snail-sampling technique with palm-leaf mats was developed and standardized after it had been shown in sensitivity trials to compare favourably with a modified version of the "man-time" sampling method, in which the number of snails collected per man-hour is recorded. It is recommended that both these methods should be used to conduct ecological studies of B. rohlfsi in water contact sites. (+info)A large-scale snail control trial with trifenmorph in the Gezira irrigation scheme, Sudan. (2/36)
A large-scale field trial was carried out during December 1973 to assess the effect of trifenmorph on Bulinus truncatus and Biomphalaria pfeifferi in 379 000 feddans ( approximately 159 000 ha) of the Gezira irrigation system in the Sudan. The commercial formulation used (Frescon) is an emulsifiable concentrate containing 16.5% trifenmorph. Five dispensers were used to add the commercial product to the water continuously for 7.5 days; 18 121 litres were used to treat 28.4 million m(3) of water. In addition, each minor canal was hand-sprayed from the tail to 300 m upstream of the last open field outlet pipe; 360 litres of the commercial formulation were used for this operation.A minimum concentration of 0.035 mg trifenmorph per litre of water was produced at the head of each minor canal. The use of caged snails showed that a concentration as low as 0.015 mg/litre was sufficient to produce 100% mortality in B. truncatus in 7.5 days; this is equivalent to a concentration x time product of 0.12 mg/litre days. (+info)Toxic activities of the plant Jatropha curcas against intermediate snail hosts and larvae of schistosomes. (3/36)
The aim of studies on plant molluscicides is to complement methods for controlling snails acting as intermediate hosts of schistosomes. We report on the toxic activity of extracts from Jatropha curcas L. (Euphorbiaceae) against snails transmitting Schistosoma mansoni and S. haematobium. We studied different extracts' effects on infectious larvae, cercariae and miracidia of S. mansoni. Compared to aqueous extract, methanol extract showed the highest toxicity against all tested organisms with LC100-values of 25 p.p.m. for cercariae and the snail Biomphalaria glabrata and 1 p.p.m. for the snails Bulinus truncatus and B. natalensis. Attenuation of cercariae leading to reduced infectivity in mice could be achieved in concentrations below those exerting acute toxicity. In view of our results and the ongoing exploitation of J. curcas for other purposes, this plant could become an affordable and effective component of an integrated approach to schistosomiasis control. (+info)Evaluation of environmental methods to control snails in an irrigation system in Central Morocco. (4/36)
The Moroccan Ministry of Public Health has launched a programme to eliminate schistosomiasis. One of the components in this process is the control of Bulinus truncatus, the intermediate host snail of Schistosoma haematobium. We evaluated three environmentally safe measures to control B. truncatus in siphon boxes, the main breeding sites for these snails in the Tessaout Amont irrigation system. The first method involved covering the siphon boxes to exclude light and reduce algal growth, the second consisted of increasing the frequency of emptying and cleaning the siphon boxes, and the third method increased water velocity to hinder the establishment of the intermediate hosts. The results showed that covering had a pronounced effect on snail and egg mass density, was accepted by the local community and prevented water contact. Cleaning the siphons three times during the irrigation season led to a reduction in snail density although it was not statistically significant and recolonization was rapid. Increasing water velocity by reducing the dimensions of siphon boxes delayed recolonization, but such a control measure can be applied only in specific situations where it does not pose hydraulic problems. The three interventions were selectively effective against B. truncatus, whereas other snails such as Physa acuta and Lymnaea peregra were hardly affected. Covering, the most promising control measure, could be useful in the Moroccan schistosomiasis eradication programme. However, further investigations are needed to assess its impact on water quality. (+info)PCR-RFLP analysis of the ITS2 region to identify Schistosoma haematobium and S. bovis from Kenya. (5/36)
Schistosoma haematobium, primarily a human parasite, and the closely related Schistosoma bovis from ruminants, are sympatric in many African countries such as Kenya. Because these two species 1) can inhabit the same Bulinus snails, 2) may be found in the same freshwater habitat, and 3) have morphologically similar cercariae, better means are needed to tell them apart. The second internal transcribed spacer (ITS2) region of the ribosomal gene complex (rDNA) of recent Kenyan isolates of both species was sequenced and found to be a 98% match. The S. bovis sequences were nearly identical (99%) to conspecific sequences from Niger; the S. haematobium sequences were nearly identical (99%) to conspecific sequences from Egypt, Mali, and Niger. Restriction fragment length polymorphism (RFLP) analysis of a 480 base pair (bp) PCR product containing the ITS2 region using two restriction enzymes, Taq1 and Sau3A1, yielded species-specific fragment patterns that allowed successful identification of a single S. haematobium cercaria. The protocol outlined here is useful in providing a rapid, one-day identification of S. haematobium (and likely S. bovis) cercariae (the infective larval stage) and/or other life cycle stages in a basic molecular biology laboratory. By helping to determine whether schistosome-infected bulinid snails in a particular body of water are transmitting a human or an animal schistosome, or both, this analysis will aid in disease control and in ongoing epidemiological studies. (+info)Studies on the biology of schistosomiasis with emphasis on the Senegal river basin. (6/36)
The construction of the Diama dam on the Senegal river, the Manantali dam on the Bafing river, Mali and the ensuing ecological changes have led to a massive outbreak of Schistosoma mansoni in Northern Senegal, associated with high intensity of infections, due to intense transmission, and the creation of new foci of S. haematobium. Data on the vectorial capacity of Biomphalaria pfeifferi from Ndombo, near Richard Toll, Senegal are presented with sympatric and allopatric (Cameroon) S. mansoni. Comparisons are made on infectivity, cercarial production, chronobiology of cercarial emergence and longevity of infected snails. Recent data on the intermediate host specificity of different isolates of S. haematobium from the Lower and Middle Valley of the Senegal river basin (SRB) demonstrate the existence of at least two strains of S. haematobium. The role of Bulinus truncatus in the transmission of S. haematobium in the Lower and Middle Valleys of the SRB is reviewed. Both S. haematobium and S. mansoni are transmitted in the same foci in some areas of the SRB. (+info)Ontogenetic reaction norm for binary traits: the timing of phallus development in the snail Bulinus truncatus. (7/36)
The ontogenetic trajectory of plastic binary traits may provide valuable insights into their evolutionary rate of change. In this paper, the timing of the plastic response of a temperature-dependent sexual polymorphism, aphally, is investigated in the freshwater snail Bulinus truncatus. Aphally is defined as the loss of the male copulatory organ in otherwise hermaphroditic animals. Individuals from two inbred lines were switched at various times during their early development between 25 and 30 degrees C, and their phally status ascertained, in order to evaluate the parameters characterising the ontogenetic reaction norm of aphally to temperature. A series of nested models including parameters for the onset, offset, and the intensity of the response to temperature were fitted to the data, allowing for a wide range of reaction norms. One genotype did not show any variation in aphally ratio with switching temperature, while a switch-point model (onset and offset corresponding to the same developmental point in time) best fitted the second genotype. The results suggest that the plasticity of aphally is expressed before eggs hatch. Their consequences on the evolution of aphally are discussed. More generally, the methodology proposed here can be used to analyse variation in ontogenetic parameters of discrete traits. (+info)Identification of snails within the Bulinus africanus group from East Africa by multiplex SNaPshot trade mark analysis of single nucleotide polymorphisms within the cytochrome oxidase subunit I. (8/36)
Identification of populations of Bulinus nasutus and B. globosus from East Africa is unreliable using characters of the shell. In this paper, a molecular method of identification is presented for each species based on DNA sequence variation within the mitochondrial cytochrome oxidase subunit I (COI) as detected by a novel multiplexed SNaPshotTM assay. In total, snails from 7 localities from coastal Kenya were typed using this assay and variation within shell morphology was compared to reference material from Zanzibar. Four locations were found to contain B. nasutus and 2 locations were found to contain B. globosus. A mixed population containing both B. nasutus and B. globosus was found at Kinango. Morphometric variation between samples was considerable and UPGMA cluster analysis failed to differentiate species. The multiplex SNaPshotTM assay is an important development for more precise methods of identification of B. africanus group snails. The assay could be further broadened for identification of other snail intermediate host species. (+info)
Proteomic identification of an alpha class glutathione S-transferase in freshwater snails (Bulinus globosus): supplementary...
Molecular characterisation of Bulinus snails - intermediate hosts of schistosomes in Ogun State, South-western Nigeria
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IUCr) Structures of designed armadillo-repeat proteins show propagation of inter-repeat interface effects
Breeding system and demography shape population genetic struct...
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The American Journal of Tropical Medicine and Hygiene | Evaluation of Sodium-Pentachlorophenate as a Molluscicide in Egypt1
Observations on the population dynamics of snail vectors in the delta of the Senegal River Basin<...
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Parasite Schistosoma Haematobium: Life Cycle, Mode of Transmission and Treatment
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A micro-epidemiological analysis of febrile malaria in Coastal Kenya showing hotspots within hotspots
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The American Journal of Tropical Medicine and Hygiene | Effect of Mass Chemotherapy and Piped Water on Numbers of Schistosoma...
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Schistosoma bovis adult worm pairs credit Aidan Emery Dec 2013 | SCAN: The Schistosomiasis Collection at the NHM
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Calflora: Lupinus truncatus
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Wildlife of Cameroon
"Bulinus camerunensis". IUCN Red List of Threatened Species. Retrieved 14 February 2013.old-form url "Lymnaea natalensis". IUCN ... Molluscs Some of the non-marine molluscs species found in the wild in Cameroon are: Bulinus camerunensis, an endangered species ...
List of non-marine molluscs of Benin
Bulinus globosus (Morelet, 1866) Bulinus senegalensis Müller, 1781 Gyraulus costulatus (Krauss, 1848) Segmentorbis kanisaensis ... Appleton C., Ghamizi M., Jørgensen A., Kristensen T. K., Ngereza C., Stensgaard A-S. & Van Damme D. (2009). Bulinus forskalii. ... Kristensen T. K. & Stensgaard A-S. (2006). Bulinus senegalensis. In: IUCN 2010. IUCN Red List of Threatened Species. Version ... Planorbidae Africanogyrus coretus (de Blainville, 1826) Biomphalaria camerunensis (C. R. Boettger, 1941) Bulinus forskalii ( ...
List of non-marine molluscs of Uganda
Kyambadde R. (2004). Bulinus mutandensis. 2006 IUCN Red List of Threatened Species. Downloaded on 6 August 2007. Appleton C., ... Planorbidae Africanogyrus coretus (de Blainville, 1826) Bulinus mutandensis Preston, 1913 - endemic Lymnaeidae Radix natalensis ...
List of non-marine molluscs of Nigeria
Bulinus senegalensis O. F. Müller, 1781 Bulinus truncatus (Audouin, 1827) - synonym: Bulinus rohlfsi Clessin Bulinus ... Bulinus camerunensis Mandahl-Barth, 1957 Bulinus forskalii (Ehrenberg, 1831) Bulinus globosus (Morelet, 1866) Bulinus ... Akinwale O., Oso O., Salawu O., Odaibo A., Tang P., Chen T.-W. & Gyang P. (2015). "Molecular characterisation of Bulinus snails ... Betterton C., Fryer S. E. & Wright C. A. (1983). "Bulinus senegalensis (Mollusca: Planorbidae) in northern Nigeria". Annals of ...
List of non-marine molluscs of Somalia
Freshwater gastropods in Somalia include: Planorbidae Bulinus abyssinicus (von Martens, 1866) Lymnaeidae Radix natalensis ( ... Bulinus abyssinicus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. . Downloaded on 21 June 2011. Appleton ...
List of non-marine molluscs of Mauritius
Brown D. S. (1996). Bulinus cernicus. 2006 IUCN Red List of Threatened Species. Retrieved 6 August 2007. Brown D. S. (1996). ... endemic Bulinus cernicus Morelet, 1867 Gyraulus mauritianus Morelet - endemic Pomatiidae Tropidophora articulata (Gray, 1834 ...
List of non-marine molluscs of Cameroon
Bulinus camerunensis Mandahl-Barth, 1957 Bulinus forskalii (Ehrenberg, 1831) Bulinus globosus (Morelet, 1866) Bulinus ... Bulinus camerunensis. 2006 IUCN Red List of Threatened Species. Downloaded on 6 August 2007. Appleton C., Ghamizi M., Jørgensen ...
List of non-marine molluscs of Ethiopia
Bulinus hexaploidus Bulinus octaploidus Lymnaeidae Radix natalensis (Krauss, 1848) Lists of molluscs of surrounding countries: ... Van Damme D. (2008). Bulinus abyssinicus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. . Downloaded on ... Planorbidae Ancylus ashangiensis Ancylus regularis Biomphalaria barthi Bulinus abyssinicus (von Martens, 1866) ...
List of non-marine molluscs of Tunisia
1774 Bulinus truncatus (Audouin, 1827) Hippeutis complanatus Linnaeus, 1758 Sphincterochilidae Sphincterochila candidissima ( ... Bulinus truncatus. The IUCN Red List of Threatened Species 2018: e.T99507883A120114540. https://dx.doi.org/10.2305/IUCN.UK.2018 ...
Drymaeus strigatus
This article incorporates CC-BY-3.0 text from the reference Sowerby G. B. (1838). "The conchological illustrations, Bulinus, ...
Schistosoma
Freshwater snails of the genus Bulinus are an important intermediate host for this parasite. Among final hosts humans are most ... Known snail intermediate hosts include Bulinus forskalii. S. haematobium, commonly referred to as the bladder fluke, originally ...
Radix natalensis
Cridland, C. C. (1967). "Resistance of Bulinus (Physopsis) globosus, Bulinus (Ph.) africanus, Biomphalaria pfeifferi and ... Nguma, J. F.; McCullough, F. S.; Masha, E. (1982). "Elimination of Biomphalaria pfeifferi, Bulinus tropicus and Lymnaea ...
List of non-marine molluscs of Iran
Chu K. Y., Massoud J. & Arfaa F. (1968). "Distribution and Ecology of Bulinus truncatus in Khuzestan, Iran". Bulletin of the ... Planorbidae Bulinus truncatus (Audouin, 1827) Planorbis intermixtus Mousson, 1874 Planorbis carinatus O. F. Müller, 1774 Anisus ...
Freshwater snail
The tiny Bulinus snails are hosts for Schistosoma haematobium. Lymnaeid snails (Lymnaeidae) serve as hosts for Fasciola and the ...
Schistosoma bovis
S bovis is mostly transmitted by Bulinus freshwater snail species. It is one of nine haematobium group species and exists in ... Miracidia penetrate into the intermediate host, the freshwater snails of the Bulinus spp., (e.g. B. globosus, B. forskalii, B. ... Bulinus sp. and Planorbarius sp.). In water, its free swimming infective larval cercariae can burrow into the skin of its ... Bulinus truncatus, B. wright and Planorbarius metidjensis". Int J Parasitol. 17 (8): 1431-4. doi:10.1016/0020-7519(87)90078-6. ...
Lake Barombi Koto
Bulinus snails (including the near-endemic B. camerunensis) infested with Schistosoma, which causes the disease bilharzia in ... population dynamics and schistosome infection in Bulinus spp. from a crater lake in the South West Province of Cameroon. ...
Indoplanorbis
The most phylogenetically related genus to Indoplanorbis is genus Bulinus. The freshwater snail Indoplanorbis exustus is found ...
List of non-marine molluscs of Mozambique
Bulinus globosus (Morelet, 1866) Bulinus natalensis (Küster, 1841) Bulinus reticulatus Mandahl-Barth, 1954 Bulinus tropicus ( ... Appleton C., Curtis B., Jørgensen A., Kristensen T. K., Lange C. N., Stensgaard A-S. & Van Damme D. (2009). Bulinus africanus. ... Appleton C., Lange C. N., Kristensen T. K., Stensgaard A-S. & Van Damme D. (2009). Bulinus reticulatus. In: IUCN 2010. IUCN Red ... Curtis B., Jørgensen A., Kristensen T. K., Lange C. N., Stensgaard A-S. & Van Damme D. (2009). Bulinus tropicus. In: IUCN 2010 ...
Lake Malawi
Bulinus, Gabbiella, Lanistes and Melanoides. Lake Malawi is home to a total of four snail species in the genus Bulinus, which ... ISBN 0-7484-0026-5 Wright, C. A.; Klein, J.; Eccles, D. H. (1967). "Endemic species of Bulinus (Mollusca: Planorbidae) in Lake ...
List of parasites of humans
skin exposure to water contaminated with infected Bulinus sp. snails Schistosomiasis by Schistosoma japonicum Schistosoma ...
Lake Victoria
... is home to 28 species of freshwater snails (e.g., Bellamya, Biomphalaria, Bulinus, Cleopatra, Gabbiella, and ... Two of the snail genera, Biomphalaria and Bulinus, are intermediate hosts of the parasite bilharzia (schistosomiasis). Human ...
Carcinogenic parasite
... species of Bulinus. The larvae live in water bodies from where they infect the hosts by penetrating the skin. Adults are found ...
List of non-marine molluscs of Madagascar
... there are 4 species of Bulinus: Bulinus bavayi - endemic Bulinus forskalii - introduced Bulinus liratus - endemic Bulinus ... Stothard, J. R.; Brémond, P.; Andriamaro, L.; Sellin, B.; Sellin, E.; Rollinson, D. (2001). "Bulinus species on Madagascar: ...
Lista de gasterópodos de Galicia, a enciclopedia libre
Bulinus contortus. Michaud, 1829. ........... ........... En Wikimedia Commons: Category:Bulinus Bulla striata. Bruguière, 1792 ...
Trematocranus placodon
2006). "The schistosome intermediate host, Bulinus nyassanus, is a 'preferred' food for the cichlid fish, Trematocranus ... 2011). "The burrowing behaviour of Bulinus nyassanus, intermediate host of Schistosoma haematobium, in Lake Malaŵi". African ... It feeds mainly on aquatic snails and has a preference for Bulinus nyassanus, making this cichlid beneficial to humans as that ...
List of non-marine molluscs of Zambia
1908 Planorbidae Bulinus africanus (Krauss, 1848) Bulinus globosus (Morelet, 1866) Land gastropods in Zambia include: ... Brown D. S. & Rollinson D. (1996). "Aquatic snails of the Bulinus africanus group in Zambia identified according to morphometry ...
List of non-marine molluscs of Namibia
Brown D. S., Curtis B. A. & Rollinson D. (1996). "The freshwater snail Bulinus tropicus (Planorbidae) in Namibia, characterised ... Freshwater gastropods in Namibia include 26 species in 9 families: Planorbidae Bulinus tropicus (Krauss, 1848) Land gastropods ...
Schistosoma haematobium
Species of snail belonging to the genus Bulinus, including B. globosus, B. forskalii, B. nasutus, B. nyassanus, and B. ... now Bulinus) and Planorbis, which were collected from El Marg canal near Cairo; proving that snails are the intermediate hosts ... "Interactions between intermediate snail hosts of the genus Bulinus and schistosomes of the Schistosoma haematobium group". ...
Paramphistomum cervi
Most common intermediate hosts are snails belonging to the genera Bulinus, Planorbis, Physa Stagnicola and Pseudosuccinea. When ...
Clausena anisata
A methanolic extract from the roots shows molluscicidal results in Bulinus globosus, the intermediate host in schistosomiasis. ...
Bulinus jousseaumei - Wikipedia
Bulinus jousseaumei is a species of tropical freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ... The distribution of Bulinus jousseaumei includes Western Africa: Burkina Faso Gambia Mali Niger Nigeria Senegal Togo The type ... The male part of the reproductive system is developed "slightly earlier" (protandry) in Bulinus jousseaumei. This species is an ... Kristensen T. K. & Stensgaard A.-S. (2006). Bulinus jousseaumei. In: IUCN 2011. IUCN Red List of Threatened Species. Version ...
Bulinus hightoni - Wikipedia
Get PDF - Physiological studies on Biomphalaria alexandrina and Bulinus truncatus, the snail vectors of Schistosommiasis
Physiological studies on Biomphalaria alexandrina and Bulinus truncatus, the snail vectors of Schistosommiasis ... Laboratory studies on Biomphalaria alexandrina (Ehrenberg) and Bulinus (Bulinus) truncatus truncatus (Audouin), the ... Laboratory studies on Biomphalaria alexandrina (Ehrenberg) and Bulinus (Bulinus) truncatus truncatus (Audouin), the ... Some helminths of Bulinus truncatus and Biomphalaria alexandrina from the irrigation system near Cairo. Folia Parasitologica 21 ...
Get PDF - Carbohydrate metabolism in uninfected and trematode-infected snails Biomphalaria alexandrina and Bulinus truncatus
Carbohydrate metabolism in uninfected and trematode-infected snails Biomphalaria alexandrina and Bulinus truncatus ... Laboratory studies on Biomphalaria alexandrina (Ehrenberg) and Bulinus (Bulinus) truncatus truncatus (Audouin), the ... Laboratory studies on Biomphalaria alexandrina (Ehrenberg) and Bulinus (Bulinus) truncatus truncatus (Audouin), the ... Effects of some heavy metals on the fecundity, egg-hatching and growth rate of the freshwater snails Bulinus truncatus and ...
Sabinet | Geographical distribution and habitats of the freshwater snail Bulinus reticulatus and its susceptibility to...
A brief account is given of the geographical distribution and habitats of Bulinus reticulatus as reflected by the 278 samples ... A brief account is given of the geographical distribution and habitats of Bulinus reticulatus as reflected by the 278 samples ... n African Zoology - Geographical distribution and habitats of the freshwater snail Bulinus reticulatus and its susceptibility ... Keyword(s) : Bulinus reticulatus, Epidemiology of schistosomiasis, Experimental infection, Geographical distribution and ...
Potential of Lanistes varicus in limiting the population of Bulinus truncatus | BMC Research Notes | Full Text
Potential of Lanistes varicus in limiting the population of Bulinus truncatus *Francis Anto1Email authorView ORCID ID profile ... Bulinus truncatus snails were collected from the Tono irrigation canals in the Kassena-Nankana district of northern Ghana (10° ... Lanistes varicus Bulinus truncatus Schistosoma haematobium Tono irrigation systemBiological control. Introduction. Human ... To determine the ability of the Ampullariid, Lanistes varicus to prey on egg masses and juveniles of Bulinus truncatus snails, ...
Molecular identification of Bulinus spp. intermediate host snails of Schistosoma spp. in crater lakes of western Uganda with...
Bulinus tropicus was dominating, Bulinus forskalii was found in two lakes and Bulinus truncatus in one. The latter two species ... However, Bulinus tropicus is an important species for schistosomiasis transmission in ruminants. Bulinus tropicus comprised 31 ... This first detailed malacological study of the crater lakes systems in western Uganda revealed presence of Bulinus species that ... Out of the 58 crater lakes surveyed, three species of Bulinus snails were found in 34 crater lakes. ...
Montpellier 2009: Jarne Lab Snail Aquaria Bulinus MA-4 | Macrostomorpha
Bulinus wrighti credit Richard Kane | SCAN: The Schistosomiasis Collection at the NHM
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Molecular characterisation of Bulinus snails - intermediate hosts of schistosomes in Ogun State, South-western Nigeria
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Freshwater snails of the genus Bulinus O. F. Müller, 1781 are intermediate hosts for schistosomes, trematode parasites which ... Subdivisione su base morfologica e genetica del genere Bulinus in tre ge-neri: Bulinus Muller, Physopsis Krauss e ... Four Bulinus species, namely B. globosus (Morelet, 1866), B. forskalii (Ehrenberg, 1831), B. camerunensis Mandahl-Barth, 1957 ... Phylogeny of seven Bulinus species originating from endemic areas in three African countries, in relation to the human blood ...
Proteomic identification of an alpha class glutathione S-transferase in freshwater snails (Bulinus globosus): supplementary...
Bulinus globosus is a freshwater snail that serves as intermediate host for Schistosoma haematobium and is known to be drought- ... Proteomic identification of an alpha class glutathione S-transferase in freshwater snails (Bulinus globosus): supplementary ... Proteomic identification of an alpha class glutathione S-transferase in freshwater snails (Bulinus globosus) ... Proteomic identification of an alpha class glutathione S-transferase in freshwater snails (Bulinus globosus) ...
Parasites, infections and diseases of fishes in Africa: An update
f. Physopsis globosus, Ghana; g. Bulinus truncatus, Ghana. h. Ascocotyle metacercaria from heart of Liza ramada, Israel. i. ... 1. Ecology of Bulinus (Physopsis) globosus the snail host of Schistosoma haematobium in South East Ghana. Ghana J. Science, 8: ... Water bodies from the Jordan system throughout the Nile to the Rift Valley lakes share common snails (Bulinus truncatus, same ... Bulinus truncatus, the snail host of Bolbophorus levantinus was found shedding 7 weeks after being placed with freshly laid ...
Further data on the compatibility between Schistosoma intercalatum (lower Guinea strain) and Bulinus forskalii: epidemiological...
Effects of Bt crop residues on the development, growth, and reproduction of the freshwater snail, Bulinus tropicus
The lethal effect of ambrosia maritima [damsissa]on bulinus deccarii from Gizan, Saudi Arabia | Virtual Health Sciences Library
The lethal effect of ambrosia maritima [damsissa]on bulinus deccarii from Gizan, Saudi Arabia Authors ... Citation: Mohamed F. El Sawy , The lethal effect of ambrosia maritima [damsissa]on bulinus deccarii from Gizan, Saudi Arabia, J ... A concentration of 1000 ppm, w/v was found to have a quite lethal effect on Bulinus beccarii snails in the laboratory ... Experimentations were carried out to determine the effect of Ambrosia maritima [damsissa] on Bulinus beccarii, the vector of ...
Morphometry and genetic analyzes of <em>Bulinus globosus</em> (Gastropoda:Planorbidae) from region of Bengo,...
Calado, M. M. P., Afonso, A. J. P. F. S., & Grácio, M. A. A. (2010, Jan 1). Morphometry and genetic analyzes of Bulinus ... Calado, MMP, Afonso, AJPFS & Grácio, MAA 2010, Morphometry and genetic analyzes of Bulinus globosus (Gastropoda:Planorbidae) ... Morphometry and genetic analyzes of Bulinus globosus (Gastropoda:Planorbidae) from region of Bengo, Angola. / Calado, Maria ... Morphometry and genetic analyzes of Bulinus globosus (Gastropoda:Planorbidae) from region of Bengo, Angola. 2010. ...
Schistosomiasis in Cattle in Corsica, France - Volume 20, Number 12-December 2014 - Emerging Infectious Diseases journal - CDC
Cycle évolutif du Schistosoma bovis (Bilharzia crassa); infection spontanée de Bulinus contortus en Corse C.-R. Acad. Sci. 1929 ... In a more comprehensive study (9), Bulinus snails were found in all of Corsicas coastal rivers, except for those in the ... Infection naturelle en Corse et infection expérimentale de Bulinus contortus. Ann Parasitol Hum Comp. 1930;VIII:17-50. ... Bulinus snails were identified in 4 rivers, the Rizzanese, Baraci, Ortolo and Spartano, especially in residual ponds of ...
Simulation of population dynamics of Bulinus globosus: Effects of environmental temperature on production of Schistosoma...
Simulation of population dynamics of Bulinus globosus: Effects of environmental temperature on production of Schistosoma ... Bulinus globosus climate change schistosomiasis control programmes life history traits Schistosoma haematobium cercariae ... Simulation of population dynamics of Bulinus globosus: Effects of environmental temperature on production of Schistosoma ...
Strong genetic structure in Cameroonian populations of Bulinus truncatus (Gastropoda: Planorbidae), intermediate host of...
Bulinus truncatus, was studied using four variable microsatellite loci. A substantial polymorphism mainly distributed among ... Strong genetic structure in Cameroonian populations of Bulinus truncatus (Gastropoda: Planorbidae), intermediate host of ... Bulinus truncatus, was studied using four variable microsatellite loci. A substantial polymorphism mainly distributed among ... Strong genetic structure in Cameroonian populations of Bulinus truncatus (Gastropoda: Planorbidae), intermediate host of ...
Curriculum Vitae | Faculty History Project
The immunological response of South African Bulinus natalensis antigens to diploid and polyploid Bulinus antisera. Zoologica ... Infection of diploid Bulinus s.s. with Schistosoma haematobium. Malacological Review, 3(2): 121-126. [C.T. Lo, John B. Burch & ... Bulinus sericinus (Gastropoda: Planorbidae) from Ethiopia. Malacological Review, 8(1/2): 31-46 S.-K. Wu & John B. Burch]. ... The Snail Genus Bulinus: Factors Concerned with its Transmission of Schistosomiasis in Africa. National Institutes of Health, ...
Breeding system and demography shape population genetic structure across ecological and climatic zones in the African...
keywords = "Bulinus forskalii, gene flow, metapopulation, microsatellites, null allele, self-fertilization, MATING SYSTEM, ... Bulinus forskalii (Gastropoda, Pulmonata), intermediate host for schistosomes, Molecular Ecology, vol. 13, no. 11, pp. 3561- ... Bulinus forskalii (Gastropoda, Pulmonata), intermediate host for schistosomes. Molecular Ecology. 2004 Nov;13(11):3561-3573. ... Bulinus forskalii (Gastropoda, Pulmonata), intermediate host for schistosomes. In: Molecular Ecology. 2004 ; Vol. 13, No. 11. ...
Laboratory studies on the prevalence and cercarial rhythms of trematodes from Bulinus truncatus and Biomphalaria pfeifferi...
Results: Out of 1,257 screened Bulinus truncatus, 187 (14.9%) shed four types of cercariae. The highest prevalence of natural ... Results: Out of 1,257 screened Bulinus truncatus, 187 (14.9%) shed four types of cercariae. The highest prevalence of natural ... Results: Out of 1,257 screened Bulinus truncatus, 187 (14.9%) shed four types of cercariae. The highest prevalence of natural ... Results: Out of 1,257 screened Bulinus truncatus, 187 (14.9%) shed four types of cercariae. The highest prevalence of natural ...
Phylogeny of seven Bulinus species originating from endemic areas in three African countries, in relation to the human blood...
Sequences clustered into two lineages; (A) groups Bulinus truncatus, B. tropicus, B. globosus and B. umbilicatus; while (B) ... Interesting patterns emerge regarding schistosome susceptibility: Bulinus species with lower genetic diversity are predicted to ... 18S and 28S genes to investigate the haplotype diversity and phylogeny of seven Bulinus species originating from three endemic ... The cox1 region showed much more variation than the ribosomal markers within Bulinus sequences. High levels of genetic ...
Laboratory studies on the prevalence and cercarial rhythms of trematodes from Bulinus truncatus and Biomphalaria pfeifferi...
a] To determine the natural infection rate of Bulinus truncatus and Biomphalaria pfeifferi snails with trematodes cercariae. [ ... Out of 1,257 screened Bulinus truncatus, 187 [14.9%] shed four types of cercariae. The highest prevalence of natural infection ... Laboratory studies on the prevalence and cercarial rhythms of trematodes from Bulinus truncatus and Biomphalaria pfeifferi ... Laboratory studies on the prevalence and cercarial rhythms of trematodes from Bulinus trun ...
The spatial and seasonal distribution of Bulinus truncatus, Bulinus forskalii and Biomphalaria pfeifferi, the intermediate host...
Overall, 413 Bulinus truncatus, 369 Bulinus forskalii and 108 Biomphalaria pfeifferi snails were collected and subjected to ... The spatial and seasonal distribution of Bulinus truncatus, Bulinus forskalii and Biomphalaria pfeifferi, the intermediate host ... schistosomiasis, intermediate host snail, Bulinus truncatus, Bulinus forskalii, Biomphalaria pfeifferi, spatio- temporal ... The spatial and seasonal distribution of Bulinus truncatus, Bulinus forskalii and Biomphalaria pfeifferi, the intermediate host ...
2008) Schistosoma haematobium in Lake Malawi: susceptibility and molecular diversity of the snail hosts Bulinus globosus and B....
Trinder, P. (1969) Determination of glucose in blood using glucose oxidase with an alternative oxygen acceptor. Annals of...
KEYWORDS: Bulinus truncatus; Schistosoma Haematobium Miracidia; Sesbania sesban Plant JOURNAL NAME: Advances in Biological ... TITLE: Biological and physiological parameters of Bulinus truncatus snails exposed to methanol extract of the plant Sesbania ... egg laying of Bulinus truncatus snails, hatchability of their eggs, infection rate with Schistosoma haemato- bium miracidia, ...
SchistosomaBiomphalariaGlobosusSchistosomiasisForskaliiSpeciesTruncatus snailsAlexandrina and Bulinus truncatusPlanorbidaeHaematobiumPopulationsAfricanusTropicusContortusGenusPrevalenceBodies of waProves that a humanVectorSchistosomeHabitatsRibosomalMolecularCercariaCercariaeAfricaObservationsDistributionTransmissionPresence
Schistosoma20
- The rate of gluconeogenesis was decreased to 62% in Bulinus truncatus infected with Schistosoma haematobium and to 45% in Biomphalaria alexandrina infected with S. mansoni. (eurekamag.com)
- Based on extensive field sampling in western Uganda and beyond and employing an approach using sequences of the mitochondrial barcoding gene cytochrome c oxidase subunit 1 ( cox 1) this study aims were: (i) identification and establishment of the phylogenetic affinities of Bulinus species as potential hosts for Schistosoma spp. (biomedcentral.com)
- Bulinus globosus is a freshwater snail that serves as intermediate host for Schistosoma haematobium and is known to be drought-tolerant. (figshare.com)
- A study of the compatibility between Schistosoma intercalatum from Cameroon and its potential vectors Bulinus forskalii from Cameroon, Equatorial Guinea, Ivory Coast and Niger has been carried out. (schisto.com)
- Experimentations were carried out to determine the effect of Ambrosia maritima [damsissa] on Bulinus beccarii, the vector of Schistosoma hematobium in Saudi Arabia. (who.int)
- As part of the same study, slaughterhouse examination of 15 cattle from regions where Bulinus snails had been discovered revealed adult Schistosoma in the mesenteric and vesical veins, as well as in the liver and the portal system. (cdc.gov)
- However, of the 55 bodies of water where Bulinus snails were found, only 1 contained gastropods with Schistosoma cercariae, and results of a search for blood flukes in 220 small rodents (known for being susceptible to S. bovis and captured near bodies of water where Bulinus snails had been observed) were negative. (cdc.gov)
- Strong genetic structure in Cameroonian populations of Bulinus truncatus (Gastropoda: Planorbidae), intermediate host of Schistosoma haematobium. (archives-ouvertes.fr)
- The role of breeding system and population bottlenecks in shaping the distribution of neutral genetic variation among populations inhabiting patchily distributed, ephemeral water bodies was examined for the hermaphroditic freshwater snail Bulinus forskalii, intermediate host for the medically important trematode Schistosoma guineensis. (elsevier.com)
- Snails species belonging to the genus Bulinus (Planorbidae) serve as intermediate host for flukes belonging to the genus Schistosoma (Digenea, Platyhelminthes). (biomedcentral.com)
- Snails of the genus Bulinus (Müller, 1781) serve as intermediate hosts for larval development of the parasite species belonging to the Schistosoma haematobium species group in Africa, the Eastern Mediterranean and Madagascar [ 1 ], as for other Trematode species like paramphistomes. (biomedcentral.com)
- ABSTRACT: The effects of sublethal concentrations of methanol extract of sesbania sesban plant on survival rate, egg laying of Bulinus truncatus snails, hatchability of their eggs, infection rate with Schistosoma haemato- bium miracidia, cercarial production and certain physiological parameters of treated snails were stu- died. (scirp.org)
- From June 1982 to May 1986 in a small village in Kwale, Kenya, we studied seasonal fluctuations in populations of Bulinus globosus , prevalence of Schistosoma haematobium infection in this snail, and effects of chemotherapy and piped water supply on infection rate of snails. (ajtmh.org)
- Biological activity of artemisinin-naphthoquine phosphate on Schistosoma haematobium stages and the vector Bulinus truncatus. (annals.org)
- The presence of many snail species especially the Bulinus species, and increased contact time with the Schistosoma haematobium infested freshwater habitat were thought to be responsible for the prevalence of the disease in the area. (ispub.com)
- Here, we investigate whether crayfish can reduce populations of Bulinus africanus and consequently, Schistosoma haematobium prevalence in school children. (nih.gov)
- Host-parasite relationship of Bulinus forskalii (Ehrenberg) and Schistosoma intercalatum Fisher 1934, from Cameroun. (semanticscholar.org)
- Before this case, human schistomiasis had not been reported on the island, although its vector, the snail Bulinus truncatus, locally transmitted the zoonotic Schistosoma bovis. (eurosurveillance.org)
- The Bulinus and Biomphalaria snails serve as intermediate hosts for Schistosoma haematobium and Schistosoma mansoni, which are the causative agents of urinary and intestinal schistosomiasis in humans, respectively. (academicjournals.org)
- While Biomphalaria glabrata and Biomphalaria pfeifferi snails can be infected with S. mansoni (responsible for human intestinal schistosomiasis), Planorbarius metidjensis is responsible for the transmission of Schistosoma bovis , and Bulinus truncatus snails are natural hosts for S. bovis as well as S. haematobium (agent of the human urinary schistosomiasis). (frontiersin.org)
Biomphalaria8
- Objectives: (a) To determine the natural infection rate of Bulinus truncatus and Biomphalaria pfeifferi snails with trematodes' cercariae. (elsevier.com)
- Those belonging to Bulinus and Biomphalaria were examined for cercarial shedding. (geospatialhealth.net)
- Overall, 413 Bulinus truncatus, 369 Bulinus forskalii and 108 Biomphalaria pfeifferi snails were collected and subjected to cercarial shedding. (geospatialhealth.net)
- The parasitic infection is transmitted through freshwater snail vectors ( Biomphalaria and Bulinus species). (who.int)
- A total of 978 Bulinus globosus and 3612 Biomphalaria pfefferi were recorded in Makwaye reservoir with high abundance in dry season while a total of 163 B. globosus and 602 B. pfefferi was recorded in Kubanni reservoir with higher abundance in wet season. (banglajol.info)
- Bulinus globosus, Bulinus africanus, Biomphalaria pfeifferi , see text above for additional intermediate snail host. (iamat.org)
- Snails of the genera Biomphalaria, Bulinus, Neotricula , and Oncomelania are the principal intermediate hosts for S mansoni, S haematobium, S mekongi, and S japonicum, respectively. (medscape.com)
- The parasite larvae then develop and multiply inside different freshwater snails, including Bulinus and Biomphalaria species , before re-entering the water. (yourgenome.org)
Globosus1
- Morphometry and genetic analyzes of Bulinus globosus (Gastropoda:Planorbidae) from region of Bengo, Angola. (unl.pt)
Schistosomiasis10
- To determine the ability of the Ampullariid, Lanistes varicus to prey on egg masses and juveniles of Bulinus truncatus snails, an intermediate host of urogenital schistosomiasis in West Africa. (biomedcentral.com)
- However, Bulinus tropicus is an important species for schistosomiasis transmission in ruminants. (biomedcentral.com)
- This first detailed malacological study of the crater lakes systems in western Uganda revealed presence of Bulinus species that are either not known or not regionally known to be hosts for S. haematobium , the causing agent of human urogenital schistosomiasis. (biomedcentral.com)
- A negligible amount of studies have been conducted on urogenital schistosomiasis and S. haematobium and their planorbid host snails belonging to the genus Bulinus . (biomedcentral.com)
- Freshwater snails of the genus Bulinus O. F. Müller, 1781 are intermediate hosts for schistosomes, trematode parasites which cause schistosomiasis. (foliamalacologica.com)
- In any case, the discovery of human cases of schistosomiasis proves that a human- Bulinus parasitic cycle exists in Corsica, and therefore an animal- Bulinus cycle may exist as well. (cdc.gov)
- Malacological survey shows that Bulinus truncatus can be responsible of transmission of urinary schistosomiasis. (ajol.info)
- Implication of Bulinus truncatus in the transmission of urinary schistosomiasis in Senegal, West Africa. (ugent.be)
- 4,8 Schistosomiasis is transmitted to humans via cercariae released from the Bulinus snail. (scielo.org.za)
- Since urogenital schistosomiasis is contracted through total or partial immersion of the body in water containing the immature form of the S. haematobium parasite hosted by the Bulinus snail, the Agency has been asked to conduct an expert assessment of the ecology of this mollusc. (anses.fr)
Forskalii2
- Bulinus tropicus was dominating, Bulinus forskalii was found in two lakes and Bulinus truncatus in one. (biomedcentral.com)
- Bulinus tropicus comprised 31 haplotypes while both B. forskalii and B. truncatus exhibited only a single haplotype in the crater lakes. (biomedcentral.com)
Species10
- Bulinus jousseaumei is a species of tropical freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails and their allies. (wikipedia.org)
- The distribution of Bulinus jousseaumei includes Western Africa: Burkina Faso Gambia Mali Niger Nigeria Senegal Togo The type locality for this species is the Sénégal River close to Médine, Mali. (wikipedia.org)
- Bulinus hightoni is a species of freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ram's horn snails. (wikipedia.org)
- Out of the 58 crater lakes surveyed, three species of Bulinus snails were found in 34 crater lakes. (biomedcentral.com)
- Molecular approaches to the identification of Bulinus species in South-West Nigeria and observations on natural snail infections with schistosomes. (foliamalacologica.com)
- The presence of Bulinus truncatus contortus (Michaud) ( Mollusca, Gastropoda, Hygrophila ) snails was mentioned as early as 1832, and the species was formally identified in 1922 in Corsica. (cdc.gov)
- In the present study, we used the partial mitochondrial cytochrome oxidase subunit I (cox1) gene, and the nuclear ribosomal ITS, 18S and 28S genes to investigate the haplotype diversity and phylogeny of seven Bulinus species originating from three endemic countries in Africa (Cameroon, Senegal and Egypt). (biomedcentral.com)
- Bulinus species with lower genetic diversity are predicted to have higher infection prevalence than those with greater diversity in host susceptibility. (biomedcentral.com)
- The interpretation of these specific snail-parasite relationships requires a deeper understanding of the past events that have affected the population diversity and distribution of Bulinus species. (biomedcentral.com)
- Sur la présence en France et monsiosis caused by this novel species in Corsica between 1966 and the pres- en Corse du Bullinus contortus (Michaud), were identified in HIV-uninfected per- ent time. (cdc.gov)
Truncatus snails1
- Bulinus truncatus snails were collected from the Tono irrigation canals in the Kassena-Nankana district of northern Ghana (10°45′ N and 1° W) and used to establish breeding colonies in the laboratory. (biomedcentral.com)
Alexandrina and Bulinus truncatus1
- Lactic acid production was increased in schistosome-infected snails by 52 and 73% of that of uninfected B. alexandrina and Bulinus truncatus, respectively. (eurekamag.com)
Planorbidae1
- Hybrid origin of polyploidy in freshwater snails of the genus Bulinus (Mollusca: Planorbidae). (foliamalacologica.com)
Haematobium1
- At experimental schools, crayfish were introduced into nearby aquatic habitats harboring Bulinus africanus snails and serving as S. haematobium transmission sites. (nih.gov)
Populations1
- In order to evaluate the snail host contribution on the variability of mollusk/schistosome compatibility, the genetic structure of seven Cameroonian populations of the schistosome vector, Bulinus truncatus, was studied using four variable microsatellite loci. (archives-ouvertes.fr)
Africanus1
- The long period of quiescence between 1900 and 2002 is thought to be as a result of several factors, but primarily because of the impact of the area's cold winters and drought-prone climate on the survival and reproduction of both the snail intermediate host Bulinus africanus and the intramolluscan stages of the parasite. (scielo.org.za)
Tropicus1
- The aim of this study was to establish the effects of the Bt toxin on fecundity, development and growth of Bulinus tropicus, a freshwater snail. (nwu.ac.za)
Contortus2
Genus2
- It can be transmitted to humans through simple skin contact with water in bodies of water or waterways (streams, rivers, lakes or ponds) in which freshwater gastropod snails of the genus Bulinus live. (anses.fr)
- It can be transmitted to humans through simple skin contact with fresh water in which freshwater gastropod snails of the genus Bulinus live and, when infested, disperse the flatworm's larvae into the water. (anses.fr)
Prevalence1
- La prevalence de la schistosomiase urinaire est faible et l'enquete malacologique montre que Bulinus truncatus assureraient la transmission de la schistosomiase urinaire. (ajol.info)
Bodies of wa2
- To do so, the Agency has conducted an expert assessment of the ecology of the Bulinus snail, and its expert assessment work has led it to recommend acquiring further knowledge on these molluscs in order to provide a comprehensive review of their presence in bodies of water and waterways conducive to their development. (anses.fr)
- The Agency's expert assessment recommends imperatively drawing up a map in order to describe the population dynamics of the Bulinus snail in waterways and bodies of water throughout France. (anses.fr)
Proves that a human1
- Ann Para- monsiosis from Johannesburg, South somiasis proves that a human- Bulinus sitol Hum Comp. (cdc.gov)
Vector1
- un caracol, Planorbis guadeloupensis (Alarcon, 1999) y en 1922, a pesar que se desconoce la distribucion de este vector se esbozan las primeras medidas de control de esquistosomiosis, pero es desde 1943 que realmente comienza el programa con una estructura formal en el anterior Ministerio de Sanidad y Asistencia Social, hoy Ministerio del Poder Popular para la Salud (MPPS, 2009). (thefreedictionary.com)
Schistosome1
- The results reported in this study are very important since a detailed understanding of the population genetic structure of Bulinus is essential to understand the epidemiology of many schistosome parasites. (biomedcentral.com)
Habitats1
- A brief account is given of the geographical distribution and habitats of Bulinus reticulatus as reflected by the 278 samples currently on record in the database of the National Freshwater Snail Collection, Potchefstroom University. (journals.co.za)
Ribosomal1
- The cox1 region showed much more variation than the ribosomal markers within Bulinus sequences. (biomedcentral.com)
Molecular1
- Molecular identification of Bulinus spp. (biomedcentral.com)
Cercaria1
- At 2 sites, unidentifiable cercaria larvae were revealed through dissection (5 of 70 Bulinus snails in the Rizzanese, 26 of 50 in the Baraci). (cdc.gov)
Cercariae1
- Results: Out of 1,257 screened Bulinus truncatus, 187 (14.9%) shed four types of cercariae. (elsevier.com)
Africa1
- Infection naturelle en endemic to sub-Saharan Africa. (cdc.gov)
Observations1
- Observations on the compatibility between Bulinus spp. (ugent.be)
Distribution1
- ii) determining diversity, frequency and distribution patterns of Bulinus spp. (biomedcentral.com)
Transmission1
- On estime que la température mondiale augmentera en moyenne de 1,0 à 3,5 °C d ici 2100, ce qui accroîtra la probabilité de nombreuses maladies à transmission vectorielle. (scielosp.org)
Presence1
- Investigations of Bulinus snails were conducted solely in the southern part of the island, in the area where Brumpt had described their presence 30 years earlier. (cdc.gov)