SnailsPfeifferiGlabrataBulinusSnailSchistosomaGenusStramineaSchistosomiasis transmissionMansoniSpeciesInfectionAbstractFreshwaterTaxonomicAfricanBiologySubjectFoundStudyPopulationContact with fresh waterParasitesAfricaReducing transmission of schistosomiasisDiseaseEcologicalGeneticPotentiallyHumanHostsRiskConditionsModeControl
Snails11
- Biomphalaria sudanica is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod belonging to the family Planorbidae, the ram's horn snails. (wikipedia.org)
- In the present study, glucose, acid and alkaline phosphatases (ACP and ALP), α-amylase and lipase were measured for the first time in tissue homogenates of Biomphalaria arabica snails, molluscan intermediate host for Schistosoma mansoni in Saudi Arabia. (scialert.net)
- It is transmitted by intermediate host snails such as Bulinus and Biomphalaria . (biomedcentral.com)
- Results of this study provide updated information on the distribution of schistosomiasis intermediate host snails in the study area and contributes towards the understanding of the transmission dynamics of schistosomiasis at the micro-geographical scale in this area. (biomedcentral.com)
- Biomphalaria snails are instrumental in transmission of the human blood fluke Schistosoma mansoni. (westminster.ac.uk)
- The sampling included both laboratory-reared and wild snails from a broad taxonomic range within the taxa of interest: seven Biomphalaria spp. (myspecies.info)
- Molecular monitoring of prepatent schistosome infection in snails by the polymerase chain reaction (PCR) has been used for studying human-to-snail transmission, and snail prepatent infection rates were found to correspond to infection prevalence and average intensity in human populations contacting the sites studied. (huji.ac.il)
- The study revealed B. truncates as the most frequent occurring vector (71.0%), followed by Biomphalaria (12.0%) and B. globosus (6.1%) The mean numbers of vector snails sampled per m were B. Truncates 61/m2, B. globosus 5/m2, and B. pfeifferi 11/m2. (edu.gh)
- Biomphalaria glabrata are freshwater snails that are natural vectors of Schistosoma mansoni , one of the three main schistosome species infecting humans and responsible for schistosomiasis. (txbiomed.org)
- This also occurs with fresh water snails of the genus biomphalaria, which are vectors for schistosomiasis (Forsyth 1991). (atvs-motorcycles.com)
- The effects of methanol extracts of plant molluscicide, Brassaia actinophylla (Araliaceae) had been assessed on development of eggs f snails, Biomphalaria glabrata and Indoplanorbis exustus at sublethal concentrations. (accesson.kr)
Pfeifferi4
- This form of schistosomiasis is caused by Schistosoma mansoni , which uses Biomphalaria pfeifferi as intermediate host. (myspecies.info)
- The first aim is to investigate whether the diminution of prevalence of intestinal schistosomiasis in the Senegal River Basin (SRB) is related to the interactions between Schistosoma mansoni and other parasite species within Biomphalaria pfeifferi . (myspecies.info)
- Après infestation, les Rongeurs libèrent, dans le milieu extérieur, des oeufs viables dont les miracidia sont infestants pour l'hôte intermédiaire ( Biomphalaria pfeifferi ). (parasite-journal.org)
- Spatial and temporal heterogeneity in the population dynamics of Bulinus globosus and Biomphalaria pfeifferi and in the epidemiology of their infection with schistosomes. (ajtmh.org)
Glabrata4
- There is paucity of information on functional relationship and characterization of Biomphalaria glabrata thioester-containing proteins ( Bg TEP) to other well-annotated homologues. (ac.ir)
- Biomphalaria glabrata transcriptome: identifi-cation of cell-signalling, transcriptional control and immune-related genes from open reading frame expressed sequence tags (ORESTES). (ac.ir)
- Here, we characterize the genome of Biomphalaria glabrata, a lophotrochozoan protostome, and provide timely and important information on snail biology. (westminster.ac.uk)
- Biomphalaria glabrata와 Indoplanorbis exustus의 알에 대한 식물성 살패제 Brassaia actinophylla (Araliaceae)의 메탄올 추출물을 아치사 농도로 처리하였을 때 효과를 평가하였다. (accesson.kr)
Bulinus2
- The objective of this systematic review and meta-analysis was to summarize prior experience in molluscicide-based control of Bulinus and Biomphalaria spp. (scite.ai)
- The intermediate host snail of S. haematobium ( Bulinus truncatus ) occurred at water contact sites near both study villages, revealing the potential for local transmission. (biomedcentral.com)
Snail5
- Transmission of the schistosomes to humans is via contact with fresh water that contains the parasite`s intermediate snail host and that has been contaminated by urine or faecal material from infected individuals. (scialert.net)
- Lardans V, Dissous C. Snail control strat-egies for reduction of schistosomiasis transmission. (ac.ir)
- We identify several potential targets for developing novel control measures aimed at reducing snail-mediated transmission of schistosomiasis. (westminster.ac.uk)
- In the search for means to better prevent new Schistosoma infections, attention has returned to an older strategy for transmission control, i.e., chemical mollusciciding, to suppress intermediate host snail species responsible for S. mansoni and S. haematobium transmission. (scite.ai)
- 2022). Genome of the ramshorn snail Biomphalaria staminea - an obligate intermediate host of schistosomiasis. (edu.hk)
Schistosoma5
- Biomphalaria sudanica is a medically important pest, due to it being an intermediate host of the intravascular trematode genus, Schistosoma. (wikipedia.org)
- Lake Ziway, Ethiopia Biomphalaria sudanica is known to be an intermediate host for the parasitic flatworms Schistosoma mansoni, which is responsible for causing intestinal schistosomiasis in humans. (wikipedia.org)
- Biomphalaria sudanica is an intermediate host for Schistosoma mansoni and for Schistosoma rodhaini. (wikipedia.org)
- We have now developed loop-mediated isothermal amplification (LAMP) assays for identifying Schistosoma mansoni and S. haematobium to facilitate large-scale evaluation of post-intervention transmission potential. (huji.ac.il)
- La susceptibilité de Arvicanthis niloticus, Mastomys huberti, Mastomys erythroleucus et Mus musculus à l'infestation par Schistosoma mansoni a été étudiée pour évaluer la capacité des Rongeurs à jouer un rôle dans la transmission de la schistosomiase intestinale à Richard-Toll. (parasite-journal.org)
Genus2
- A cladogram showing the phylogenic relations of species in the genus Biomphalaria: However, upon further analysis of the African Biomphalaria species found B. sudanica is a part of the "Nilotic Species Complex" and is more closely related to B. alexandrina, B. smithi and B. stanleyi, than the previously thought, B. choanomphala. (wikipedia.org)
- The aim of this work is study the dynamics between S. mansoni miracidium and its intermediate host, the mollusc genus Biomphalaria, accordingly with the transmission perspective. (pucrs.br)
Straminea1
- The ecology of Biomphalaria straminea (Dunker, 1848 (Gastropoda : pulmonata introduced into Hong Kong. (who.int)
Schistosomiasis transmission2
- The formation of the Kpong head pond, about 25 km below the Akosombo dam, as a result of a second dam built at Kpong became an active schistosomiasis transmission site. (edu.gh)
- The presence of aquatic weeds and favourable physicochemical conditions of the water were found to provide a conducive environment for the vectors to thrive and hence sustain schistosomiasis transmission in the head pond. (edu.gh)
Mansoni2
- O objetivo deste trabalho é estudar a dinâmica entre o miracídio de S. mansoni e seu hospedeiro intermediário, o molusco de gênero Biomphalaria, de acordo com a perspectiva de transmissão. (pucrs.br)
- In Brazil, the schistosomiasis mansoni has the highest focus on the Northeast region, being the local climate an important factor for the disease transmission. (pucrs.br)
Species2
- Biomphalaria sudanica is an African species found in freshwater habitats such as rivers, streams, ponds and the Great African Lakes. (wikipedia.org)
- Biomphalaria sudanica is not considered a threatened species, and its population is stable in its native range. (wikipedia.org)
Infection2
- In 17 studies reporting local incidence, risk of new infection was reduced 64% (RR 0.36 CI95% 0.25, 0.5), but additional drug treatment did not appear to influence incidence effects.Conclusion/SignificanceWhile there are hurdles to implementing molluscicide control, its impact on local transmission is typically strong, albeit incomplete. (scite.ai)
- Monitoring post-control transmission of schistosomes by examining humans becomes less effective as infection rates among humans decrease. (huji.ac.il)
Abstract1
- ABSTRACT Visceral leishmaniasis (VL) has shown endemic pattern and epidemic episodes in urban and rural areas, however, there are still gaps in knowledge with regards to disease transmission. (scielo.br)
Freshwater2
- In addition to its role in transmitting parasites, Biomphalaria sudanica also plays an important ecological role in its freshwater habitat. (wikipedia.org)
- Furthermore, global change is predicted to have important effects on parasitism in both freshwater and marine ecosystems, through changes in parasite distribution and transmission rates [1]. (ap24534inhibitor.com)
Taxonomic1
- taxonomic status, puzzling distribution, and transmission foci revisited. (ajtmh.org)
African1
- I have assisted WHO with on-the-ground investigations for autochthonous transmission of schistosomiasis in Western and South East Asia and helped to develop national scaled maps for various African countries. (lstmed.ac.uk)
Biology1
- schistosome biology and the role of the arthropod gut in the transmission of human pathogens. (aber.ac.uk)
Subject1
- Biomphalaria sudanica has been the subject of multiple ecological and genetic studies. (wikipedia.org)
Found1
- Biomphalaria sudanica is found in shallow water near the shoreline in Lake Albert. (wikipedia.org)
Study1
- Being awarded a Wellcome Trust Fellowship in Biodiversity (1997-2002), I returned to the NHM to study the transmission of urogenital schistosomiasis within the Indian Ocean area. (lstmed.ac.uk)
Population2
- The population density of Biomphalaria sudanica varies during the year. (wikipedia.org)
- The highest population density of Biomphalaria sudanica is in Lake Ziway, Ethiopia from June to August, at the end of rainy season. (wikipedia.org)
Contact with fresh water1
- Transmission via skin contact with fresh water containing larvae (cercariae) released by intermediate host. (wikitropica.org)
Parasites1
- Despite the concerted efforts of MDA programs, the prevalence and transmission of schistosomiasis has remained largely unchecked due to the fact that PZQ is ineffective against juvenile schistosomes, does not prevent re-infection and the emergence of PZQ-resistant parasites. (biomedcentral.com)
Africa4
- The distribution of Biomphalaria sudanica mainly occurs in East Africa: The River Nile, Shambat, Sudan. (wikipedia.org)
- Active transmission is reported in 67 countries, of which 46 are in Africa [ 1 ]. (biomedcentral.com)
- Nevertheless, because of migration, and rapid and disordered urbanization, urban areas in Africa and South America are now foci of transmission. (biomedcentral.com)
- Anopheles gambiae senso stricto is the primary mosquito vector responsible for the transmission of malaria in most of sub-Saharan Africa. (ensembl.org)
Reducing transmission of schistosomiasis1
- Going forward, we can suggest specific strategies which could be explored further with a view to, hopefully, reducing transmission of schistosomiasis, helping the World Health Organisation in its aim to eliminate this disease by 2025. (abdn.ac.uk)
Disease4
- Two aspects, neglected in the predictions, have been investigated in the present study, and these are: the ecological changes, relevant to the transmission of the disease, in the Nile itself, and those in irrigation canals and drains in areas which had been under perennial irrigation before the constriction of the dam. (nih.gov)
- Appropriate integrated control measures need to be introduced to control the transmission of this disease in the study area. (biomedcentral.com)
- In relation to transmission conditions, schistosomiasis is classically described as a rural disease that occurs in areas without potable water and adequate sanitation. (biomedcentral.com)
- It has been suggested that global warming will cause an expansion of the areas potentially suitable for infectious disease transmission. (schisto.com)
Ecological2
- Biomphalaria sudanica has been the subject of multiple ecological and genetic studies. (wikipedia.org)
- However, the transmission of infectious diseases is governed by a myriad of ecological, economic, evolutionary and social factors. (schisto.com)
Genetic1
- An understanding of the snail's genetic repertoire helps researchers interpret how the parasite exploits metabolic or other systems of its host and may allow the development of ways to slow or halt snail-mediated parasite transmission. (nih.gov)
Potentially1
- Scientists have identified a number of crucial processes in the snail's biology that is helping them to understand how it transmits this lethal parasite, enabling them to uncover new ways to potentially stop transmission. (abdn.ac.uk)
Human1
- The findings indicate that the Nile, at least in the Delta, has become a favorite habitat for breeding of the snail hosts of both urinary and intestinal schistosomiasis, a center for human activities and evidently for transmission, and that irrigation canals and drains now harbor throughout the year undisturbed and stable populations of these snail hosts. (nih.gov)
Hosts1
- Cercariae penetrates the skin of humans and/or other mammalian hosts, shed their tails and transform into migrating larvae which enter into circulation traversing various host organs en route to the lungs. (biomedcentral.com)
Risk1
- Our findings show that there is a high transmission risk for schistosomiasis in Bamako. (biomedcentral.com)
Conditions1
- It was experimentally detected under laboratory conditions that shells of Biomphalaria sudanica are bigger in waters with higher concentration of calcium than in waters with low calcium. (wikipedia.org)
Mode1
- 2015. Living in survival mode: Intergenerational transmission of trauma from the holodomor genocide of 1932-1933 in ukraine. (nih.gov)
Control1
- These drawbacks indicate that the current control strategies are severely inadequate at interrupting transmission and therefore, implementation of other control strategies are required. (biomedcentral.com)