Results 11 to 20 of about 482 (148)

The morphology, genetic structure, and haplotype distribution of the invasive freshwater snails Biomphalaria straminea and Physa acuta in Guangdong, China [PDF]

Tropical Medicine and Health
Background Biomphalaria and Physa (order Gastropoda) serve as vectors and reservoirs for infectious agents that affect both humans and animals. This study provides updated insights into the epidemiology, morphology, phylogeny, and haplotype diversity of ...
Ping He, Yunyi Hu, Jehangir Khan, Yan Huang, Zhanhong Yuan, Benjamin Sanogo, Du Gao, Jun Liu, De Wu, Jingdiao Chen, Zhongdao Wu, Song Liang, Xi Sun, Datao Lin   +13 more
doaj   +2 more sources

Anomalias em conchas de Biomphalaria straminea (Dunker, 1848), criadas em laboratório. (Pulmonata, Planorbidae) Anomalies in Biomphalaria straminea a whorl (Dunker, 1848) kept in laboratory (Pulmonata, Planorbidae)

Revista de Saúde Pública, 1973
Assinala-se o encontro de anomalias em conchas de 90 espécimens de Biomphalaria straminea, traduzidas por acentuada deformação da última espiral. Os exemplares pertencem à população criada em laboratório e procedente de Curvelo, Minas Gerais, Brasil.The ...
Roberto Milward de Andrade, Osmar S. Carvalho   +1 more
doaj   +2 more sources

Dispersão de Biomphalaria straminea no estado de Sergipe: um estudo comparativo com dezenove anos de intervalo Dispersion of Biomphalaria straminea in the State of Sergipe, Brazil

Memorias do Instituto Oswaldo Cruz, 1989
No presente trabalho, realizado no Estado de Sergipe, procurou-se determinar a distribuição geográfica e as interrelações entre populações naturais de duas espécies do gênero Biomphalaria, os caramujos vetores do Schistosoma mansoni no nordeste do Brasil.
Constança C. S. B. Figueiredo
doaj   +2 more sources

Effect of Biomphalaria straminea plasma in the phagocytosis of Biomphalaria glabrata hemolymph cells [PDF]

Memórias do Instituto Oswaldo Cruz, 1998
Mollusc defensive system that discriminates self from non self molecules, include fixed cells that can trap particles like endothelial cells, reticular and pore-cells, and circulating elements (WPW Van Der Knaap & ES Loker 1990 Parasitol Today 6: 175-182).
Elizabeth Malagueño, Cecília Albuquerque, Célia MMB de Castro, Morgana Gadelha, João Inácio Irmão, José Valfrido Santana   +5 more
openaire   +5 more sources

An annotated checklist of Planorbinae (Heterobranchia, Hygrophila, Planorbidae) from northwestern Argentina [PDF]

Check List, 2021
The family Planorbidae comprises freshwater gastropods with planispiral, spiral and limpet-shaped shells. Subfamily Planorbinae sensu stricto, has a richness of almost 300 species, with some of the main genera being Biomphalaria Preston, 1910 and ...
Ximena M. C. Ovando, Giovanna F. Marchi
doaj   +3 more sources

Novos focos de transmissão do Schistosoma mansoni no Estado do Pará New foci of transmission of Schistosoma mansoni in the State of Para

Memorias do Instituto Oswaldo Cruz, 1984
É registrado o encontro de dois novos focos de transmissão do Schistosoma mansoni, com a presença da Biomphalaria glabrata naturalmente infectada, em uma localidade do município de Viseu e na cidade de Belém Estado do Pará.
W. Lobato Paraense, Paulo Edson F. Pereira Souza, Reinaldo Ferreira Braun   +2 more
doaj   +1 more source

Growth changes induced by gamma radiation on Biomphalaria straminea (Dunker, 1848) [PDF]

Memórias do Instituto Oswaldo Cruz, 1999
Doses of 60Co gamma radiation with 2.5; 5; 7.5; 10; 15; 20; 25; 30; 35; 40; 45; 50; 55; 60; 80; 160; 320 and 640 Gy were applied to 1, 080 snails Biomphalaria straminea, an intermediate host of Schistosoma mansoni, divided in groups containing 30 mollusks. In addition, 60 non irradiated snails were kept as control.
Motta, Mauricy A da, Catanho, Maria Teresa J, Melo, Ana MMA   +2 more
openaire   +4 more sources

Competitive interactions between species of fresh-water snails: I. Laboratory. IC. Comparative survival of Biomphalaria glabrata and B. Straminea kept out of water

Memorias do Instituto Oswaldo Cruz, 1985
Biomphalaria glabrata and B. straminea were submitted to an out-door laboratory experiment for testing their comparative ability to resist desiccation. Results have shown that B. straminea is significantly higher resistant than B. glabrata.
Fredterico Simões Barbosa, D. P. Pereira da Costa, Francisco Arruda   +2 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

Cadernos 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, Roberto Mitsuyoshi Hiramoto, João Carlos Nascimento de Oliveira, José Antônio de Aveiro   +3 more
doaj   +1 more source

Competitive interactions between species of freshwater snails. I. Laboratory studies: Ib. Comparative studies of the dispersal and the vagility capabilities of Biomphalaria glabrata and Biomphalaria straminea

Memorias do Instituto Oswaldo Cruz, 1984
Experiments reported in the current paper, carried out under semi-field conditions created in the laboratory, have shown that b. straminea has competitive superiority when compared with B. glabrata.
Frederico S. Barbosa, D. P. Pereira da Costa, F. Arruda   +2 more
doaj   +1 more source