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  1 / 1368 MEDLINE  
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[PMID]:28749337
[Au] Autor:Dorigatti I; Hamlet A; Aguas R; Cattarino L; Cori A; Donnelly CA; Garske T; Imai N; Ferguson NM
[Ad] Endereço:MRC Centre for Outbreak analysis and Modelling, Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom.
[Ti] Título:International risk of yellow fever spread from the ongoing outbreak in Brazil, December 2016 to May 2017.
[So] Source:Euro Surveill;22(28), 2017 Jul 13.
[Is] ISSN:1560-7917
[Cp] País de publicação:Sweden
[La] Idioma:eng
[Ab] Resumo:States in south-eastern Brazil were recently affected by the largest Yellow Fever (YF) outbreak seen in a decade in Latin America. Here we provide a quantitative assessment of the risk of travel-related international spread of YF indicating that the United States, Argentina, Uruguay, Spain, Italy and Germany may have received at least one travel-related YF case capable of seeding local transmission. Mitigating the risk of imported YF cases seeding local transmission requires heightened surveillance globally.
[Mh] Termos MeSH primário: Surtos de Doenças/prevenção & controle
Modelos Teóricos
Risco
Viagem
Febre Amarela/prevenção & controle
Febre Amarela/transmissão
Vírus da Febre Amarela/isolamento & purificação
Vírus da Febre Amarela/patogenicidade
[Mh] Termos MeSH secundário: Animais
Argentina
Brasil/epidemiologia
Alemanha
Saúde Global
Seres Humanos
Insetos Vetores
Itália
Fatores de Risco
Espanha
Estados Unidos
Uruguai
Febre Amarela/epidemiologia
Vacina contra Febre Amarela/uso terapêutico
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Yellow Fever Vaccine)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180306
[Lr] Data última revisão:
180306
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170728
[St] Status:MEDLINE


  2 / 1368 MEDLINE  
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[PMID]:29315331
[Au] Autor:Invernizzi C; Nogueira E; Juri P; Santos E; Arredondo D; Branchiccela B; Mendoza Y; Antúnez K
[Ad] Endereço:Sección Etología, Instituto de Biología, Facultad de Ciencias, Montevideo, Uruguay.
[Ti] Título:Epormenis cestri secretions in Sebastiania schottiana trees cause mass death of honey bee Apis mellifera larvae in Uruguay.
[So] Source:PLoS One;13(1):e0190697, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:For more than 60 years, sporadic cases of massive summer honey bee larvae mortality in colonies located near freshwater systems with abundant riparian vegetation have been reported in Uruguay. This odd phenomenon, known as "River disease" by beekeepers, can lead to colony death by depopulation. The aim of this study was to detect the causes of larvae death. Different experiments and analyses were performed using affected apiaries located between two important water courses. 1 day old larvae were the most susceptible and substances that killed the larvae were present in the nectar but not in the pollen. A palynological analysis of nectar samples showed that bees collect this resource from commonly pollinated floral species in the country. However, abundant fungi spores and conidia were found, which indicates that the bees also collected honeydews. In the riparian vegetation, bees were observed collecting the secretions of the planthopper Epormenis cestri on Sebastiania schottiana trees. It was found that the mortality period of larvae overlaps with the presence of E. cestri. Larvae maintained in the laboratory were fed (i) nectar from healthy colonies, (ii) nectar from affected colonies, and (iii) secretions of E. cestri. The mortality of the larvae that received nectar from colonies affected with River disease and secretions of E. cestri was higher than the mortality of those receiving nectar from healthy colonies. This represents the first report of planthopper honeydew causing mass larval mortality in honey bees.
[Mh] Termos MeSH primário: Colapso da Colônia
Euphorbiaceae/química
Insetos/metabolismo
Larva
[Mh] Termos MeSH secundário: Animais
Uruguai
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180221
[Lr] Data última revisão:
180221
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180110
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0190697


  3 / 1368 MEDLINE  
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[PMID]:28747152
[Au] Autor:Skowronek MF; Velazquez T; Mut P; Figueiro G; Sans M; Bertoni B; Sapiro R
[Ad] Endereço:Departamento de Histología y Embriología, Facultad de Medicina UDELAR, Montevideo, Uruguay.
[Ti] Título:Associations between male infertility and ancestry in South Americans: a case control study.
[So] Source:BMC Med Genet;18(1):78, 2017 07 26.
[Is] ISSN:1471-2350
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Infertility affects 15% of human couples, with men being responsible in approximately 50% of cases. Moreover, the aetiology of male factor infertility is poorly understood. The majority of male factor infertility remains idiopathic and potentially genetic in origin. The association of the Y chromosome and mitochondrial haplogroups with male infertility has been previously reported. This association differs between studied populations and their geographical distributions. These effects have been only rarely analysed in mixed populations, such as South Americans. METHODS: In this study, we analysed the contributions of the Y chromosome and mitochondrial haplogroups to male infertility in a mixed population. A case control study was conducted. Regular PCR and high-resolutionmelting- real-time PCR were performed to type haplogroups from fertile and infertile men. The sperm parameters from infertile men were compared in each haplogroup by logistic regression analysis and ANOVA. RESULTS: The genotyping confirmed the known admixture characteristic of the Uruguayan population. The European paternal contribution was higher than the maternal contribution in both fertile and infertile men. Neither maternal nor paternal ancestry presented differences between the cases and controls. Men belonging to the Y chromosome haplogroup F(xK) more frequently presented with an abnormal sperm morphology than men from other haplogroups. The sperm parameters were not associated with the mitochondrial haplogroups. CONCLUSIONS: The data presented in this study showed an association between male infertility and ancestry in the Uruguayan population. Specifically, abnormal sperm morphology was associated with the Y chromosome haplogroup F(xK). Since the Y chromosome lacks recombination, these data suggest that some genes that determine sperm morphology might be inherited in blocks with the region that determines specific haplogroups. However, the possible association between the Y chromosome haplogroup F(xK) and sperm morphology requires further confirmatory testing. Data linking infertility with ancestry are needed to establish the possible causes of infertility and define male populations susceptible to infertility. Whether the admixed characteristics of the Uruguayan population exert any pressure on male fertility potential must be further investigated.
[Mh] Termos MeSH primário: Cromossomos Humanos Y
Grupos de Populações Continentais
Infertilidade Masculina/etnologia
Infertilidade Masculina/genética
[Mh] Termos MeSH secundário: Estudos de Casos e Controles
Cromossomos Humanos Y/genética
Grupos de Populações Continentais/genética
Grupos de Populações Continentais/estatística & dados numéricos
Fertilidade/genética
Genes Mitocondriais
Haplótipos
Seres Humanos
Masculino
Filogenia
Análise do Sêmen
América do Sul/epidemiologia
Uruguai/epidemiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, N.I.H., EXTRAMURAL; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180116
[Lr] Data última revisão:
180116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170728
[St] Status:MEDLINE
[do] DOI:10.1186/s12881-017-0438-z


  4 / 1368 MEDLINE  
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[PMID]:29176839
[Au] Autor:Peçanha WT; Althoff SL; Galiano D; Quintela FM; Maestri R; Gonçalves GL; Freitas TRO
[Ad] Endereço:Programa de Pós-Graduação em Genética e Biologia Molecular, Universidade Federal do Rio Grande do Sul, Rio Grande do Sul, Brazil.
[Ti] Título:Pleistocene climatic oscillations in Neotropical open areas: Refuge isolation in the rodent Oxymycterus nasutus endemic to grasslands.
[So] Source:PLoS One;12(11):e0187329, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Pleistocene climatic oscillations favoured the expansion of grassland ecosystems and open vegetation landscapes throughout the Neotropics, and influenced the evolutionary history of species adapted to such environments. In this study, we sampled populations of the rodent Oxymycterus nasutus endemic to open areas in the Pampas and Atlantic Forest biomes to assess the tempo and mode of population divergence using an integrative approach, including coalescence theory, ecological niche models, and morphometry. Our results indicated that these O. nasutus populations exhibited high levels of genetic structure. Six major mtDNA clades were found, structuring these biomes into distinct groups. Estimates of their divergence times was indicated to be 0.571 myr. The high degree of genetic structure is reflected in the analyses of geometric morphometric; skull differences between lineages in the two ecoregions were detected. During the last glacial maximum, there was a strong increase in suitable abiotic conditions for O. nasutus. Distinct molecular markers revealed a population expansion over time, with a possible demographic retraction during the post-glacial period. Considering that all clades coalesce with the last interglacial maximum, our results indicated that reduction in suitable conditions during this period may have resulted in a possible vicariance associated with refuge isolation.
[Mh] Termos MeSH primário: Pradaria
Paleontologia
Roedores/fisiologia
Clima Tropical
[Mh] Termos MeSH secundário: Animais
Sequência de Bases
Teorema de Bayes
Brasil
Núcleo Celular/genética
DNA Mitocondrial/genética
Marcadores Genéticos
Variação Genética
Geografia
Haplótipos/genética
Mitocôndrias/genética
Modelos Teóricos
Filogenia
Roedores/genética
Crânio/anatomia & histologia
Especificidade da Espécie
Fatores de Tempo
Uruguai
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Mitochondrial); 0 (Genetic Markers)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171219
[Lr] Data última revisão:
171219
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0187329


  5 / 1368 MEDLINE  
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[PMID]:28877254
[Au] Autor:Irazola V; Rubinstein A; Bazzano L; Calandrelli M; Chung-Shiuan C; Elorriaga N; Gutierrez L; Lanas F; Manfredi JA; Mores N; Olivera H; Poggio R; Ponzo J; Seron P; He J
[Ad] Endereço:South American Center of Excellence for Cardiovascular Health, CESCAS, Institute for Clinical Effectiveness and Health Policy, IECS, Buenos Aires, Argentina.
[Ti] Título:Prevalence, awareness, treatment and control of diabetes and impaired fasting glucose in the Southern Cone of Latin America.
[So] Source:PLoS One;12(9):e0183953, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:AIMS: To determine the prevalence, treatment and control of diabetes mellitus (DM) and impaired fasting glucose (IFG) as well as associated factors in the adult population of four cities of the Southern Cone of Latin America (SCLA). METHODS: This is a cross-sectional population-based study that included 7407 adults between 35 and 74 years old in four cities of the SCLA: Temuco (Chile), Marcos Paz and Bariloche (Argentina), and Pando-Barros Blancos (Uruguay). DM was defined as fasting plasma glucose ≥126 mg/dL or self-reported history of diabetes. Awareness, treatment, and control of DM were defined as subjects self-reporting a DM previous diagnosis, the use of a prescription medication or nonpharmacological intervention for DM, and fasting plasma glucose <126 mg/dl, respectively. RESULTS: Prevalence of DM varied among cities, between 8.4% in Bariloche and 14.3% in Temuco. Prevalence of IFG varied at different sites, from 3.5% in Barros Blancos to 6.8% in Marcos Paz. Of the total number of people with diabetes, 20% were newly diagnosed at the time of the study. Overall, 79.8% of patients with diabetes were aware of their condition. The treatment and control rate were 58.8% and 46.2%, respectively. Older age, family history of diabetes, lower educational attainment, overweight, obesity, central obesity, low physical activity, hypertension, hypercholesterolemia and hypertriglyceridemia were all significantly associated with an increased risk of diabetes. CONCLUSIONS: The prevalence of DM and IFG in the adult population of the SCLA is high and varies among cities. These conditions represent a public health challenge since the rates of awareness, treatment, and control are still low.
[Mh] Termos MeSH primário: Diabetes Mellitus/epidemiologia
Estado Pré-Diabético/epidemiologia
[Mh] Termos MeSH secundário: Adulto
Idoso
Argentina/epidemiologia
Glicemia/análise
Chile/epidemiologia
Estudos Transversais
Diabetes Mellitus/psicologia
Diabetes Mellitus/terapia
Feminino
Conhecimentos, Atitudes e Prática em Saúde
Seres Humanos
Masculino
Meia-Idade
Estado Pré-Diabético/psicologia
Estado Pré-Diabético/terapia
Prevalência
Fatores de Risco
Uruguai/epidemiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Blood Glucose)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171003
[Lr] Data última revisão:
171003
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170907
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0183953


  6 / 1368 MEDLINE  
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[PMID]:28853626
[Au] Autor:Pereira JG; Soares VM; Santos EAR; Tadielo LE; Pellegrini DCP; Duval EH; Silva WP
[Ad] Endereço:1 Universidade Federal de Pelotas, Campus Capão do Leão, Avenida Eliseu Maciel, s/n, Capão do Leão, Rio Grande do Sul, Brazil, CEP 96010900.
[Ti] Título:Profile of the Illegal Import of Products of Animal Origin to Brazilian Cities at the Border with Argentina and Uruguay.
[So] Source:J Food Prot;80(10):1605-1612, 2017 Oct.
[Is] ISSN:1944-9097
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:International food transit is a risk to public and animal health when not subject to legal importation sanitation procedures. Due to the extensive border area, illegal food import in Brazil is a common practice, especially in Rio Grande do Sul (RS), a state that borders with Argentina and Uruguay. The objective of this study was to evaluate the profile of Brazilians living in cities in RS that border with Argentina (BR-AR) or Uruguay (BR-UR) regarding the practice of illegal import of products of animal origin and to determine associations between the population characteristics and illegal import. A questionnaire with information related to the personal profile, habits of acquisition of imported food, and knowledge of health risks deriving from the consumption of the imported products was elaborated. The questionnaire was administered in six cities in RS (three cities bordering Argentina and three cities bordering Uruguay) and responses were obtained from 744 individuals. The variables city, sex, level of education, and knowledge were subjected to the chi-square test to verify the association between these variables and food import. Part of the interviewees admitted to illegally importing products of animal origin at both BR-AR (65.17%) and BR-UR (76.28%) borders. Dairy products were the main imported goods, followed by raw and processed meat. The study revealed that illegal import is common at the frontier region of RS, especially that of products of animal origin, dairy, and raw and processed meat. Although illegal importation occurs at all the cities under study, it was higher at the BR-UR border. Also, knowledge of the health risks influences the decision to import food or not.
[Mh] Termos MeSH primário: Comércio/legislação & jurisprudência
Carne
[Mh] Termos MeSH secundário: Animais
Argentina
Brasil
Cidades
Seres Humanos
Uruguai
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171102
[Lr] Data última revisão:
171102
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170831
[St] Status:MEDLINE
[do] DOI:10.4315/0362-028X.JFP-17-123


  7 / 1368 MEDLINE  
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Rados, Pantelis Varvaki
Texto completo SciELO Brasil
[PMID]:28678951
[Au] Autor:Cortegoso AVB; Laureano NK; Silva ADD; Danilevicz CK; Magnusson AS; Visioli F; Rados PV
[Ad] Endereço:Universidad de la República del Uruguay, Facultad de Odontología, Montevideo, Uruguay.
[Ti] Título:Cell proliferation markers at the invasive tumor front of oral squamous cell carcinoma: comparative analysis in relation to clinicopathological parameters of patients.
[So] Source:J Appl Oral Sci;25(3):318-323, 2017 May-Jun.
[Is] ISSN:1678-7765
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:Objectives: To evaluate the number of AgNORs per nucleus and the expression of Ki-67 at the tumor invasion front (TIF) in relation to clinical parameters (TNM), TIF classification and the prognosis of oral squamous cell carcinomas in an Uruguayan population. Material and Methods: This study was conducted through a retrospective survey from 2000 to 2010 at the National Institute of Cancer Montevideo, Uruguay and included 40 patients. The samples were obtained from the resection of the tumor and the TIF was defined according with Bryne, et al.5 (1992). Expression of Ki-67 was assessed by the percentage of positive tumor cells and the AgNOR was recorded as the mean AgNOR (mAgNOR) and the percentage of AgNOR per nucleus (pAgNOR). All analyzes were performed by a blinded and calibrated observer. Results: No statistically significant association was observed between immunostaining of Ki-67 and AgNOR with the different types of TIF, regional metastasis and patients prognosis, however it was observed an increase in Ki-67 expression associated with worse patient's clinical staging, although not statistically significant. Conclusions: Our results suggest that proliferation markers as AgNOR and Ki-67 are not prognostic markers at the tumor invasive front of carcinoma of oral squamous cell.
[Mh] Termos MeSH primário: Antígenos Nucleares/análise
Carcinoma de Células Escamosas/patologia
Neoplasias Bucais/patologia
[Mh] Termos MeSH secundário: Adulto
Idoso
Idoso de 80 Anos ou mais
Análise de Variância
Biomarcadores Tumorais
Proliferação Celular
Feminino
Seres Humanos
Imuno-Histoquímica
Antígeno Ki-67/análise
Masculino
Meia-Idade
Invasividade Neoplásica/patologia
Prognóstico
Valores de Referência
Reprodutibilidade dos Testes
Estudos Retrospectivos
Carga Tumoral
Uruguai
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antigens, Nuclear); 0 (Biomarkers, Tumor); 0 (Ki-67 Antigen); 0 (nucleolar organizer region associated proteins)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170912
[Lr] Data última revisão:
170912
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170706
[St] Status:MEDLINE


  8 / 1368 MEDLINE  
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[PMID]:28661966
[Au] Autor:Pírez MC; Mota MI; Giachetto G; Sánchez Varela M; Galazka J; Gutierrez S; Varela A; Picón T; Algorta G
[Ad] Endereço:From the *Facultad de Medicina, Universidad de la República. Hospital Pediátrico, Centro Hospitalario Pereira Rossell; †Laboratorio de Microbiología, Centro Hospitalario Pereira Rossell. Facultad de Medicina, Universidad de la República; ‡Departamento de Pediatría, British Hospital; §Departamento de Atención Integral del Niño, Niña y Adolescente, Asociación Española Primera en Salud; ¶Centro Asistencial Sindicato Médico del Uruguay and ¥Laboratorio de Microbiología, Centro Hospitalario Pereira Rossell, Montevideo, Uruguay.
[Ti] Título:Pneumococcal Meningitis Before and After Universal Vaccination With Pneumococcal Conjugate Vaccines 7/13, Impact on Pediatric Hospitalization in Public and Nonpublic Institutions, in Uruguay.
[So] Source:Pediatr Infect Dis J;36(10):1000-1001, 2017 Oct.
[Is] ISSN:1532-0987
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:This is the first study showing the impact of 13-valent pneumococcal conjugate vaccine on pneumococcal meningitis in Latin America; a significant (63.5%) reduction in hospitalization was observed during the first 6 years after starting vaccination. A 90% reduction of pneumococcal conjugate vaccines 7/13 serotypes was observed (P < 0.0001). After vaccination, all strains were penicillin susceptible. Mortality had a reduction of 71%.
[Mh] Termos MeSH primário: Vacina Pneumocócica Conjugada Heptavalente
Hospitalização/estatística & dados numéricos
Imunização/estatística & dados numéricos
Meningite Pneumocócica
Vacinas Pneumocócicas
[Mh] Termos MeSH secundário: Vacina Pneumocócica Conjugada Heptavalente/administração & dosagem
Vacina Pneumocócica Conjugada Heptavalente/uso terapêutico
Hospitais Pediátricos
Seres Humanos
Lactente
Meningite Pneumocócica/epidemiologia
Meningite Pneumocócica/prevenção & controle
Vacinas Pneumocócicas/administração & dosagem
Vacinas Pneumocócicas/uso terapêutico
Streptococcus pneumoniae
Uruguai/epidemiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (13-valent pneumococcal vaccine); 0 (Heptavalent Pneumococcal Conjugate Vaccine); 0 (Pneumococcal Vaccines)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170929
[Lr] Data última revisão:
170929
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170630
[St] Status:MEDLINE
[do] DOI:10.1097/INF.0000000000001671


  9 / 1368 MEDLINE  
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Texto completo SciELO Saúde Pública
[PMID]:28614447
[Au] Autor:Giménez A; Saldamando L; Curutchet MR; Ares G
[Ad] Endereço:Facultad de Química, Universidad de la República, Canelones, Uruguay.
[Ti] Título:Package design and nutritional profile of foods targeted at children in supermarkets in Montevideo, Uruguay.
[So] Source:Cad Saude Publica;33(5):e00032116, 2017 Jun 12.
[Is] ISSN:1678-4464
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:Marketing of unhealthy products has been identified as one of the main characteristics of the food environment that negatively affects children's eating patterns. Restrictions on advertising of unhealthy foods to children have already been imposed in different countries. However, marketing strategies are not limited to broadcast and digital advertising, but also include package design. In this context, the current study aimed to describe the food products targeted at children and sold in supermarkets in Montevideo, Uruguay, in terms of package design and nutrient profile. Two supermarkets in Montevideo were selected for data collection. In each supermarket, all products targeted at children were identified. Products were analyzed in terms of package design and nutritional profile, considering the Pan American Health Organization Nutrient Profile Model. A total of 180 unique products were identified, which included a wide range of product categories. The great majority of the products corresponded to ultra-processed products with excessive amounts of sodium, free sugars, total fat, saturated fat, and/or trans fat, which are not recommended for frequent consumption. Several marketing strategies were identified in the design of packages to attract children's attention and drive their preferences. The most common strategies were the inclusion of cartoon characters, bright colors, childish lettering, and a wide range of claims related to health and nutrition, as well as the products' sensory and hedonic characteristics. The study's findings provide additional evidence on the need to regulate packaging of products targeted at children.
[Mh] Termos MeSH primário: Embalagem de Alimentos
Marketing/métodos
Valor Nutritivo
[Mh] Termos MeSH secundário: Criança
Indústria Alimentícia
Seres Humanos
Comunicação Persuasiva
Uruguai
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170705
[Lr] Data última revisão:
170705
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170615
[St] Status:MEDLINE


  10 / 1368 MEDLINE  
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[PMID]:28610391
[Au] Autor:Serbina L; Burckhardt D
[Ad] Endereço:Naturhistorisches Museum, Augustinergasse 2, CH-4001 Basel, Switzerland. Institut für Natur-, Landschafts- und Umweltschutz der Universität Basel, St. Johanns-Vorstadt 10, CH-4056 Basel, Switzerland.. liliya_serbina@mail.ru.
[Ti] Título:Systematics, biogeography and host-plant relationships of the Neotropical jumping plant-louse genus Russelliana (Hemiptera: Psylloidea).
[So] Source:Zootaxa;4266(1):1-114, 2017 05 12.
[Is] ISSN:1175-5334
[Cp] País de publicação:New Zealand
[La] Idioma:eng
[Ab] Resumo:The Neotropical genus Russelliana (Psyllidae: Aphalaroidinae) is revised and its phylogenetic, host-plant and biogeographical relationships are discussed. Twenty-four species are described as new, bringing the number of known species to 43. An identification key is provided for the adults. A phylogenetic analysis of 26 morphological characters resulted in 54 most parsimonious trees. The consensus tree is well resolved at the base but poorly at the crown. Most Russelliana species are monophagous or oligophagous with the exception of R. solanicola which is polyphagous. With eight plant families, the host range of Russelliana is broader than that of other aphalaroidine genera. The hosts for 29 species are confirmed, those for 12 species are suggested based on phylogenetic relationships. The species associated with Asteraceae (4 spp.) and most of the Fabaceae-feeders (12 spp.) form each a monophyletic group, those associated with Verbenaceae (5 spp.) are paraphyletic and those with Solanaceae are polyphyletic (16 spp.). The two species associated with Rosaceae are not closely related. These patterns suggest repeated host shifts. Whether there is cospeciation in some groups cannot be judged as neither psyllid nor host phylogenies are sufficiently resolved. The world psylloid fauna comprises relatively few species associated with Solanaceae. The number of 16 Russelliana species with confirmed or likely solanaceous hosts is, therefore, surprising and important in view of the potential pest status of some Russelliana spp. The genus is restricted to temperate and subtropical South America (Argentina, Bolivia, Southern Brazil, Chile, Peru and Uruguay). Most species are known from the Western Andean part of the continent. Only four species are currently known from Eastern South America. The cladogram suggests that geographical vicariance may account for at least part of the observed species richness, as five vicariant events were detected for Russelliana. A better resolution of the cladogram may reveal more cases of geographical vicariance.
[Mh] Termos MeSH primário: Afídeos
[Mh] Termos MeSH secundário: Animais
Argentina
Bolívia
Brasil
Chile
Peru
Ftirápteros
Filogenia
Uruguai
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170809
[Lr] Data última revisão:
170809
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170615
[St] Status:MEDLINE
[do] DOI:10.11646/zootaxa.4266.1.1



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