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  1 / 1104 MEDLINE  
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Andrade-Souza, Vanderly
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[PMID]:29281704
[Au] Autor:Andrade-Souza V; Silva JG; Hamada N
[Ad] Endereço:Instituto Nacional de Pesquisas da Amazônia (INPA), Coordenação de Biodiversidade, Laboratório de Citotaxonomia e Insetos Aquáticos, Manaus, Amazonas, Brazil.
[Ti] Título:Phylogeography and population diversity of Simulium hirtipupa Lutz (Diptera: Simuliidae) based on mitochondrial COI sequences.
[So] Source:PLoS One;12(12):e0190091, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:High morphological homogeneity and cryptic speciation may cause the diversity within Simuliidae to be underestimated. Recent molecular studies on population genetics and phylogeography have contributed to reveal which factors influenced the diversity within this group. This study aimed at examining the genetic diversity of Simulium hirtipupa Lutz, 1910 in populations from the biomes Caatinga, Cerrado, and Atlantic Forest. In this study, we carried out phylogeographic and population genetic analyses using a fragment of the mitochondrial gene COI. The 19 populations studied were clustered into seven groups, most of which are associated with geography indicating certain genetic structure. The northern region of the state of Minas Gerais is most likely the center of origin of this species. The average intergroup genetic distance was 3.7%, indicating the presence of cryptic species. The species tree as well as the haplotype network recovered all groups forming two major groups: the first comprises groups Gr-Bahia (in which the São Francisco river has not acted as geographical barrier), Gr-Pernambuco, and Gr-Mato Grosso do Sul. The second included groups comprising populations of the states of Goiás, Tocantins, Minas Gerais, Bahia, São Paulo, and Espírito Santo. The mismatch distribution for groups was consistent with the model of demographic expansion, except for the Gr-Central-East_1 group. The diversification in this group occurred about 1.19 Mya during the Pleistocene, influenced by paleoclimatic oscillations during the Quaternary glacial cycles.
[Mh] Termos MeSH primário: Complexo IV da Cadeia de Transporte de Elétrons/genética
Filogeografia
Simuliidae/classificação
[Mh] Termos MeSH secundário: Animais
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
EC 1.9.3.1 (Electron Transport Complex IV)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180206
[Lr] Data última revisão:
180206
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171228
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0190091


  2 / 1104 MEDLINE  
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[PMID]:28746824
[Au] Autor:Takaoka H; Srisuka W; Low VL; Maleewong W; Saeung A
[Ad] Endereço:Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, 50603, Malaysia. Electronic address: takaoka@oita-u.ac.jp.
[Ti] Título:Two new species of Simulium (Gomphostilbia) (Diptera: Simuliidae) from Myanmar, and their phylogenetic relationships with related species in the S. asakoae species-group.
[So] Source:Acta Trop;176:39-50, 2017 Dec.
[Is] ISSN:1873-6254
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:Two new species of Simulium (Gomphostilbia), S. (G.) myanmarense and S. (G.) monglaense, are described from females, males, pupae and larvae from Myanmar. The two new species are placed in the S. asakoae species-group, and are similar to each other in the female and male but distinguished in the pupa by the presence or absence of an anterodorsal projection of the cocoon, and in the larva by a unique pattern of colored markings on the abdomen. Taxonomic notes are given to separate these species from related species. The COI gene sequences of both species are compared with those of eight species of the S. asakoae species-group and three species of the S. ceylonicum species-group. Both new species are most closely related to each other, further supporting their morphological classification in the S. asakoae species-group.
[Mh] Termos MeSH primário: Simuliidae/anatomia & histologia
[Mh] Termos MeSH secundário: Animais
Feminino
Larva/anatomia & histologia
Masculino
Mianmar
Filogenia
Pupa/anatomia & histologia
Simuliidae/classificação
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180201
[Lr] Data última revisão:
180201
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170727
[St] Status:MEDLINE


  3 / 1104 MEDLINE  
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[PMID]:29187277
[Au] Autor:Verocai GG; Hassan HK; Lakwo T; Habomugisha P; Katabarwa MN; Begumisa S; Clouds P; Katamanywa J; Nahabwe C; Unnasch TR
[Ad] Endereço:Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, Georgia.
[Ti] Título:Molecular Identification of spp. Larvae in sensu lato Collected in Northern Uganda.
[So] Source:Am J Trop Med Hyg;97(6):1843-1845, 2017 Dec.
[Is] ISSN:1476-1645
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Previous studies have demonstrated that the presence of larvae of other filarial species in sensu lato can distort estimates of transmission potential for in West Africa. However, studies conducted in foci of onchocerciasis in West Central Uganda indicated that larvae other than were not common in vectors collected there. Recent data collected in Northern Uganda revealed a striking discordance between estimates of the prevalence of flies carrying infective larvae obtained from molecular pool screening and dissection methods. To resolve this discrepancy, sequences from three mitochondrially encoded genes were analyzed from the larvae collected by dissection. All larvae analyzed were v. Siisa, a parasite of cattle, or , a parasite of warthogs. These results suggest that nonhuman parasite larvae are common in vectors in Northern Uganda, underscoring the necessity for molecular identification methods to accurately estimate transmission.
[Mh] Termos MeSH primário: Onchocerca/isolamento & purificação
Simuliidae/parasitologia
[Mh] Termos MeSH secundário: Animais
Bovinos/parasitologia
Doenças dos Bovinos/parasitologia
Insetos Vetores/parasitologia
Larva
Onchocerca/classificação
Oncocercose/diagnóstico
Oncocercose/veterinária
Suínos/parasitologia
Doenças dos Suínos/parasitologia
Uganda
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171207
[Lr] Data última revisão:
171207
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE
[do] DOI:10.4269/ajtmh.17-0525


  4 / 1104 MEDLINE  
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[PMID]:29031285
[Au] Autor:Loum D; Katholi CR; Lakwo T; Habomugisha P; Tukahebwa EM; Unnasch TR
[Ad] Endereço:Nwoya District Local Government, Nwoya, Uganda.
[Ti] Título:Evaluation of Community-Directed Operation of Black Fly Traps for Entomological Surveillance of Transmission in the Madi-Mid North Focus of Onchocerciasis in Northern Uganda.
[So] Source:Am J Trop Med Hyg;97(4):1235-1242, 2017 Oct.
[Is] ISSN:1476-1645
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Entomological measures of transmission are important metrics specified by the World Health Organization to document the suppression and interruption of transmission of , the causative agent of onchocerciasis. These metrics require testing of large numbers of vector black flies. Black fly collection has relied on human landing collections, which are inefficient and potentially hazardous. As the focus of the international community has shifted from onchocerciasis control to elimination, replacement of human landing collections has become a priority. The Esperanza window trap (EWT) has shown promise as an alternative method for collection of s.l., the primary vector of in Africa. Here, we report the results of a community-based trial of the EWT in northern Uganda. Traps operated by residents were compared with human landing collections in two communities over 5 months. Three traps, when operated by a single village resident, collected over four times as many as did the two-men collection team. No significant differences were noted among the bait formulations. The results suggest that EWTs may be effectively operated by community residents and that the trap represents a viable alternative to human landing collections for entomological surveillance of transmission.
[Mh] Termos MeSH primário: Onchocerca volvulus/fisiologia
Simuliidae/fisiologia
Simuliidae/parasitologia
[Mh] Termos MeSH secundário: Distribuição Animal/efeitos dos fármacos
Animais
Seres Humanos
Feromônios/farmacologia
Uganda/epidemiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Pheromones); 0 (insect attractants)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171030
[Lr] Data última revisão:
171030
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:171017
[St] Status:MEDLINE
[do] DOI:10.4269/ajtmh.17-0244


  5 / 1104 MEDLINE  
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[PMID]:28806785
[Au] Autor:Dissak-Delon FN; Kamga GR; Humblet PC; Robert A; Souopgui J; Kamgno J; Essi MJ; Ghogomu SM; Godin I
[Ad] Endereço:Ministry of Public Health, Yaoundé, Cameroon.
[Ti] Título:Adherence to ivermectin is more associated with perceptions of community directed treatment with ivermectin organization than with onchocerciasis beliefs.
[So] Source:PLoS Negl Trop Dis;11(8):e0005849, 2017 Aug.
[Is] ISSN:1935-2735
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: The fight against onchocerciasis in Africa has boomed thanks to the Community Directed Treatment with Ivermectin (CDTI) program. However, in Cameroon, after more than 15 years of mass treatment, onchocerciasis prevalence is still above the non-transmission threshold. This study aimed to explore a possible association between people's beliefs/perceptions of onchocerciasis and of CDTI program, and their adherence to ivermectin in three regions of Cameroon. METHODOLOGY/PRINCIPAL FINDINGS: A cross sectional survey was carried out in three health districts with persistent high onchocerciasis prevalence. Participants were randomly selected in 30 clusters per district. Adherence to ivermectin was comparable between Bafang and Bafia (55.0% and 48.8%, respectively, p>0.05) and lower in Yabassi (40.7%). Among all factors related to program perceptions and disease representations that were studied, perceptions of the program are the ones that were most determinant in adherence to ivermectin. People who had a "not positive" opinion of ivermectin distribution campaigns were less compliant than those who had a positive opinion about the campaigns (40% vs 55% in Bafang, and 48% vs 62% in Bafia, p<0.01), as well as those who had a negative appreciation of community drug distributors' commitment (22% vs 53% in Bafang, 33% vs 59% in Bafia, 27% vs 47% in Yabassi; p<0.01). The most common misconception about onchocerciasis transmission was the lack of hygiene, especially in Bafia and Yabassi. In Bafang, high proportions of people believed that onchocerciasis was due to high consumption of sugar (31% vs less than 5% in Bafia and Yabassi, p<0.001). CONCLUSION/SIGNIFICANCE: There are still frequent misconceptions about onchocerciasis transmission in Cameroon. Perceptions of ivermectin distribution campaigns are more strongly associated to adherence. In addition to education/sensitisation on onchocerciasis during the implementation of the CDTI program, local health authorities should strive to better involve communities and more encourage community distributors' work.
[Mh] Termos MeSH primário: Antiparasitários/uso terapêutico
Conhecimentos, Atitudes e Prática em Saúde
Ivermectina/uso terapêutico
Adesão à Medicação/estatística & dados numéricos
Oncocercose/tratamento farmacológico
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Idoso de 80 Anos ou mais
Animais
Camarões/epidemiologia
Serviços de Saúde Comunitária
Estudos Transversais
Feminino
Seres Humanos
Higiene/educação
Modelos Logísticos
Masculino
Meia-Idade
Análise Multivariada
Avaliação de Programas e Projetos de Saúde
Simuliidae/parasitologia
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; MULTICENTER STUDY
[Nm] Nome de substância:
0 (Antiparasitic Agents); 70288-86-7 (Ivermectin)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170906
[Lr] Data última revisão:
170906
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170815
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pntd.0005849


  6 / 1104 MEDLINE  
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[PMID]:28771577
[Au] Autor:Varotto Boccazzi I; Ottoboni M; Martin E; Comandatore F; Vallone L; Spranghers T; Eeckhout M; Mereghetti V; Pinotti L; Epis S
[Ad] Endereço:Department of Biosciences, University of Milan, Milan, Italy.
[Ti] Título:A survey of the mycobiota associated with larvae of the black soldier fly (Hermetia illucens) reared for feed production.
[So] Source:PLoS One;12(8):e0182533, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Feed security, feed quality and issues surrounding the safety of raw materials are always of interest to all livestock farmers, feed manufacturers and competent authorities. These concerns are even more important when alternative feed ingredients, new product developments and innovative feeding trends, like insect-meals, are considered. The black soldier fly (Hermetia illucens) is considered a good candidate to be used as feed ingredient for aquaculture and other farm animals, mainly as an alternative protein source. Data on transfer of contaminants from different substrates to the insects, as well as the possible occurrence of toxin-producing fungi in the gut of non-processed insects are very limited. Accordingly, we investigated the impact of the substrate/diet on the intestinal mycobiota of H. illucens larvae using culture-dependent approaches (microbiological analyses, molecular identification through the typing of isolates and the sequencing of the 26S rRNA D1/D2 domain) and amplicon-based next-generation sequencing (454 pyrosequencing). We fed five groups of H. illucens larvae at the third growing stage on two substrates: chicken feed and/or vegetable waste, provided at different timings. The obtained results indicated that Pichia was the most abundant genus associated with the larvae fed on vegetable waste, whereas Trichosporon, Rhodotorula and Geotrichum were the most abundant genera in the larvae fed on chicken feed only. Differences in the fungal communities were highlighted, suggesting that the type of substrate selects diverse yeast and mold genera, in particular vegetable waste is associated with a greater diversity of fungal species compared to chicken feed only. A further confirmation of the significant influence of diet on the mycobiota is the fact that no operational taxonomic unit common to all groups of larvae was detected. Finally, the killer phenotype of isolated yeasts was tested, showing the inhibitory activity of just one species against sensitive strains, out of the 11 tested species.
[Mh] Termos MeSH primário: Ração Animal/microbiologia
Fungos/classificação
Análise de Sequência de DNA/métodos
Simuliidae/fisiologia
[Mh] Termos MeSH secundário: Animais
DNA Fúngico/análise
DNA Ribossômico/análise
Microbiologia de Alimentos
Fungos/genética
Fungos/isolamento & purificação
Microbioma Gastrointestinal
Larva/microbiologia
Pichia/classificação
Pichia/isolamento & purificação
RNA Ribossômico/análise
Rhodotorula/classificação
Rhodotorula/isolamento & purificação
Simuliidae/microbiologia
Trichosporon/classificação
Trichosporon/isolamento & purificação
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Fungal); 0 (DNA, Ribosomal); 0 (RNA, Ribosomal); 0 (RNA, ribosomal, 26S)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170829
[Lr] Data última revisão:
170829
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170804
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0182533


  7 / 1104 MEDLINE  
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[PMID]:28727841
[Au] Autor:Adler PH; Hamada N; Cavalcante do Nascimento JM; Grillet ME
[Ad] Endereço:Department of Plant and Environmental Sciences, Clemson University, Clemson, South Carolina, United States of America.
[Ti] Título:River-specific macrogenomic diversity in Simulium guianense s. l. (Diptera: Simuliidae), a complex of tropical American vectors associated with human onchocerciasis.
[So] Source:PLoS One;12(7):e0181679, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Simulium guianense Wise is a Latin American vector complex of black flies associated with transmission of the causal agent of human onchocerciasis (river blindness). An analysis of the chromosomal banding patterns of 607 larvae of S. guianense s. l. revealed a high level of variation involving 83 macrogenomic rearrangements across 25 populations in Brazil, French Guiana, and Venezuela. The 25 populations were assigned to 13 cytoforms (A1, A2, B1-B4, C, D, E1-E4, and F), some of which are probably valid species. Based on geographical proximity, a member of the B group of cytoforms probably represents the name-bearing type specimen of S. guianense and the primary vector in the last-remaining onchocerciasis foci in the Western Hemisphere. Cytoform B3 in Amapá State is implicated as an anthropophilic simuliid in an area currently and historically free of onchocerciasis. Distributions of cytoforms are associated with geography, elevation, and drainage basin, and are largely congruent with ecoregions. Despite extraordinarily large larval populations of S. guianense s. l. in big rivers and consequent production of female flies for dispersal, the cytoforms maintain their chromosomal distinction within individual rivers, suggesting a high degree of fidelity to the specialized breeding habitats-rocky shoals-of the natal rivers.
[Mh] Termos MeSH primário: Ecótipo
Insetos Vetores/genética
Rios
Simuliidae/genética
[Mh] Termos MeSH secundário: Distribuição Animal
Animais
Evolução Biológica
Brasil
Cromossomos de Insetos
Classificação
Guiana Francesa
Geografia
Seres Humanos
Larva/genética
Oncocercose/transmissão
Comportamento Sexual Animal
Especificidade da Espécie
Venezuela
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170926
[Lr] Data última revisão:
170926
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170721
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0181679


  8 / 1104 MEDLINE  
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[PMID]:28727733
[Au] Autor:Nascimento-Carvalho ÉSD; Cesário RA; do Vale VF; Aranda AT; Valente ACDS; Maia-Herzog M
[Ad] Endereço:Laboratório de Simulídeos e Oncocercose, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil.
[Ti] Título:A new methodology for sampling blackflies for the entomological surveillance of onchocerciasis in Brazil.
[So] Source:PLoS One;12(7):e0179754, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The effectiveness of the MosqTent® trap was evaluated in endemic area to onchocerciasis in Brazil. This study seeks to provide subsidies for the monitoring of the onchocerciasis transmission in the country. The study was carried out at the Homoxi and Thirei villages, located in the Yanomami Indigenous Land, in the state of Roraima. This area presents hyperendemicity, high blackflies densities, large population migrations and mining activities. The Homoxi and Thirei villages are assisted by the Brazilian Ministry of Health. To conduct the present study, the village leader, health leaders and the Brazilian Ethics Committee were consulted. Blackflies captures were carried out simultaneously at the Homoxi and Thirei, using systematized methods to allow for comparisons between the traditional Human Landing Catch (HLC) and HLC protected by the MosqTent®. The female blackflies were captured at two equidistant capture stations per locality, by two collectors per station, for five consecutive days. Individuals captured by interval/station/day were counted, identified and maintained at -20°C. The underlying probability distributions and the differences between the methods for the independent sample data were verified in a comparative statistical analysis between the use of the MosqTent® and the HLC. A total of 10,855 antropophilic blackflies were captured by both methodologies. A total of 7,367 (67.87%) blackflies belonging to seven species were captured by MosqTent® -Simulium incrustatum s.l (99.06%); S. guianense s.l (0.74%), S. oyapockense s.l (0.01%), S. exiguum (0.10%), S. metallicum (0.05%), S. ochraceum (0.03%) and S. minusculum s.l (0.01%). Moreover, 3,488 (32.14%) blackflies belonging to four species were captured by HLC-S. incrustatum s.l (98.33%); S. guianense s.l (1.38%), S. oyapockense s.l (0.26%) and S. metallicum (0.03%). The MosqTent® was more effective and efficient when compared to HLC. When comparing total blackflies captured/day, the MosqTent® was more efficient than HLC (p = 0.031) with a means of 799.4 blackflies/day versus 217.6 blackflies/day by HLC. The results demonstrated improved performance and high reliability of the MosqTent® compared to the traditional HLC method.
[Mh] Termos MeSH primário: Insetos Vetores
Oncocercose/epidemiologia
Simuliidae
[Mh] Termos MeSH secundário: Animais
Brasil/epidemiologia
Onchocerca volvulus
Oncocercose/transmissão
Vigilância da População
Reprodutibilidade dos Testes
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170927
[Lr] Data última revisão:
170927
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170721
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0179754


  9 / 1104 MEDLINE  
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[PMID]:28700060
[Au] Autor:Nascimento-Carvalho ÉSD; Maia-Herzog M
[Ad] Endereço:Laboratório de Simulídeos e Oncocercose, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brasil.
[Ti] Título:Blackfly control from a health education perspective: the individual, the organization, and sustainability of the process.
[So] Source:Rev Soc Bras Med Trop;50(3):391-395, 2017 May-Jun.
[Is] ISSN:1678-9849
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: : This study analyzed blackfly awareness and perceptions of health education practices for blackfly control among vulnerable populations in Brazil. METHODS: : An exploratory descriptive quantitative research analysis was performed to investigate and analyze the awareness of and potential participation in blackfly control measures by vulnerable populations. RESULTS:: Countryside resident participants (n = 24/38; 63.2% of the total sample) reported that blackflies were an obstacle to the performance of their work activities. CONCLUSIONS:: Blackflies are a public health problem, and actions for blackfly control have been carried out without social participation or educational health practices that involve proper community knowledge.
[Mh] Termos MeSH primário: Educação em Saúde
Conhecimentos, Atitudes e Prática em Saúde
Controle de Mosquitos
Simuliidae
[Mh] Termos MeSH secundário: Adulto
Animais
Brasil
Feminino
Seres Humanos
Masculino
Meia-Idade
Inquéritos e Questionários
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170731
[Lr] Data última revisão:
170731
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170713
[St] Status:MEDLINE


  10 / 1104 MEDLINE  
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[PMID]:28686665
[Au] Autor:Rodríguez-Pérez MA; Garza-Hernández JA; Salinas-Carmona MC; Fernández-Salas I; Reyes-Villanueva F; Real-Najarro O; Cupp EW; Unnasch TR
[Ad] Endereço:Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa, Tamaulipas, México.
[Ti] Título:The esperanza window trap reduces the human biting rate of Simulium ochraceum s.l. in formerly onchocerciasis endemic foci in Southern Mexico.
[So] Source:PLoS Negl Trop Dis;11(7):e0005686, 2017 Jul.
[Is] ISSN:1935-2735
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: The Esperanza Window Trap (EWT) baited with CO2 and human sweat compounds is attractive to Simulium ochraceum s.l., the primary vector of Onchocerca volvulus in the historically largest endemic foci in México and Guatemala. METHODOLOGY/PRINCIPAL FINDINGS: The ability of the EWT to locally reduce numbers of questing S. ochraceum s.l. was evaluated in two formerly onchocerciasis endemic communities in Southern México. At each community, two EWTs were placed in or near a school or household and flies were collected sequentially for a total of 10 days. Black fly collections were then carried out for an additional 10 days in the absence of the EWTs. Flies were also collected outside the dwellings to control for variations in the local fly populations. When the EWTs were present, there was a significant reduction in the human biting rate at both the household and school locations at collection sites, with a greater effect observed in the schools. CONCLUSIONS/SIGNIFICANCE: These results indicate that the EWTs not only have potential as a black fly monitoring tool but may be used for reducing personal exposure to fly bites in Mesoamerica.
[Mh] Termos MeSH primário: Mordeduras e Picadas de Insetos/epidemiologia
Controle de Insetos/métodos
Oncocercose/prevenção & controle
Simuliidae
[Mh] Termos MeSH secundário: Animais
Entomologia
Interações Hospedeiro-Parasita
Seres Humanos
Insetos Vetores/parasitologia
México
Onchocerca volvulus
Oncocercose/transmissão
Análise de Regressão
Simuliidae/parasitologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170808
[Lr] Data última revisão:
170808
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170708
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pntd.0005686



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