Results 21 to 30 of about 486 (156)

Resistance of Biomphalaria alexandrina to Schistosoma mansoni and Bulinus truncatus to Schistosoma haematobium Correlates with Unsaturated Fatty Acid Levels in the Snail Soft Tissue

open access: yesJournal of Parasitology Research, Volume 2020, Issue 1, 2020., 2020
Only a fraction of the Biomphalaria and Bulinus snail community shows patent infection with schistosomes despite continuous exposure to the parasite, indicating that a substantial proportion of snails may resist infection. Accordingly, exterminating the schistosome intermediate snail hosts in transmission foci in habitats that may extend to kilometres ...
Marian Elias   +5 more
wiley   +1 more source

ITS2 variability of Biomphalaria (Mollusca, Planorbidae) species from the Paranapanema Valley (São Paulo State, Brazil): diversity patterns, population structure, and phylogenetic relationships

open access: yesGenetics and Molecular Biology, 2007
The ribosomal DNA internal transcribed spacer 2 (ITS2) has been shown to be a useful genetic marker for species identification and phylogenetic reconstruction in the genus of freshwater snails Biomphalaria (Preston 1910).
Roseli Tuan, Priscila dos Santos
doaj   +1 more source

Latex of "Coroa de Cristo" (Euphorbia Splendens): an effective molluscicide

open access: yesMemorias do Instituto Oswaldo Cruz, 1986
An aqueous solution of the latex of "coroa de cristo" (Euphorbia splendens var. hislopii) showed molluscicide action (LD90) at a concentration lower than 0.5 ppm on Biomphalaria glabrata and B.
Maurício C. de Vasconcelos   +1 more
doaj   +1 more source

Ocorrência de vetores da esquistossomose mansônica no litoral norte do Estado de São Paulo, Brasil Occurrence of schistosomiasis mansoni vectors on the Northern coast of the State of São Paulo, Brazil

open access: yesCadernos de Saúde Pública, 2003
Seguem detalhes da descoberta de exemplares de Biomphalaria tenagophila (d’Orbigny, 1835,) infectados por Schistosoma mansoni Sambon, 1907, em Caraguatatuba, e da introdução de Biomphalaria straminea (Dunker, 1848) em Ilha Bela, dois municípios da Região
Horacio Manuel Santana Teles   +3 more
doaj   +1 more source

Situação atual da esquistossomose mansoni no Lago da Pampulha, Belo Horizonte, MG, Brasil The present position regarding schistosomiasis mansoni in Pampulha lake, Belo Horizonte, MG, Brazil

open access: yesRevista de Saúde Pública, 1985
Descreve-se a atual distribuição dos planorbídeos hospedeiros intermediários do Schistosoma mansoni no Lago da Pampulha, Belo Horizonte, MG (Brasil) e a rápida dispersão de Biomphalaria tenagophila por todo o perímetro lacustre.
Omar dos Santos Carvalho   +3 more
doaj   +1 more source

Competição biológica entre Biomphalaria glabrata (Say, 1818) e Biomphalaria tenagophila (d'Orbigny, 1835) em criadouros naturais no município de Ourinhos, SP (Brasil) Biological competition between Biomphalaria glabrata (Say, 1818) and Biomphalaria tenagophila (d'Orbigny, 1835), observed in their natural breeding sites in Ourinhos, SP (Brazil)

open access: yesRevista de Saúde Pública, 1980
Foram feitas observações sobre a provável competição entre Biomphalaria tenagophila e Biomphalaria glabrata, em três criadouros do tipo vala, situados no Município de Ourinhos (SP), durante o período de 27-11-73 a 20-02-79.
Urara Kawazoe   +3 more
doaj   +1 more source

Biomphalaria aff. tenagophila do Sítio Arqueológico do Corondo, São Pedro da Aldeia, RJ

open access: yesMemorias do Instituto Oswaldo Cruz, 1985
O presente estudo levou-nos a identificar as conchas de planorbídeos provenientes do Sítio Arqueológico do Corondó, RJ, como Biomphalaria aff. tenagophila. O Sítio foi datado entre 3.000 e 4.000 anos (C-14).
L. Clark Lima, Maria Augusta Alexandre
doaj   +1 more source

Histological aspects of the penial complex and vagina of taxa of the Biomphalaria tenagophila complex (Mollusca: Planorbidae)

open access: yesBiotemas, 2022
Histological studies were carried out with 49 specimens; 18 Biomphalaria tenagophila guaibensis, 19 B. t. tenagophila and 12 B. occidentalis, collected in 10 municipalities in the states of São Paulo and Rio Grande do Sul, Brazil.
Tatiane Eni da Silva Tavares   +1 more
doaj   +1 more source

Use of Molecular Methods for the Rapid Mass Detection of Schistosoma mansoni (Platyhelminthes: Trematoda) in Biomphalaria spp. (Gastropoda: Planorbidae)

open access: yesJournal of Tropical Medicine, Volume 2017, Issue 1, 2017., 2017
The low stringency‐polymerase chain reaction (LS‐PCR) and loop‐mediated isothermal amplification (LAMP) assays were used to detect the presence of S. mansoni DNA in (1) Brazilian intermediate hosts (Biomphalaria glabrata, B. straminea, and B. tenagophila) with patent S. mansoni infections, (2) B. glabrata snails with prepatent S. mansoni infections, (3)
Roberta Lima Caldeira   +3 more
wiley   +1 more source

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