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Performance and carcass characteristics of Santa Inês lambs fed different protein sources
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Araújo, Tiago Gonçalves Pereira

; Furtado, Dermeval Araújo

; Miranda, Jaciara Ribeiro

; Marques, Carlo Aldrovandi Torreão

; Lisboa, Ana Cristina Chacon

; Suassuna, Alberto

; Medeiros, Ariosvaldo Nunes de

Acta Scientiarum. Animal Sciences

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2023, Volume 45 elocation e57352

Abstract: En | Text: En | PDF: En

ABSTRACT. The objective of this study was to evaluate the productive performance and carcass characteristics of confined Santa Inês sheep, fed different diets, in a Semiarid environment. Twenty whole sheep with 5 ± 0.5 months of age and 27 ± 2.0 kg were used, receiving two different diets for 72 experimental days, one composed of defatted soybean meal and the other of protein-enriched cactus meal. They were evaluated for different diets, consumption, production, carcass characteristics, morphometric measures and edible components. The experimental design was in randomized blocks with two treatments and 10 replications. Performance data and carcass characteristics were evaluated by analysis of variance and means compared by t test at 5% probability level using Statistical Analysis System [SAS]® (1999). Thus, the use of emulsified palm forage protein in the feeding of Santa Inês male lambs proved to be an excellent protein source when compared to the use of defatted soybean meal, since the results of performance and carcass characteristics were similar, being the use of this alternative source advised as it presents the best benefit-cost ratio.

https://doi.org/10.4025/actascianimsci.v45i1.57352

A saúde da mulher no climatério: assistência da equipe multiprofissional no contexto da atenção primária à saúde
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Oliveira, Jaciara Xavier

; Rosa, Randson Souza

; Bomfim, Eliane dos Santos

; Oliveira, Bruno Gonçalves de

; Cruz, Diego Pires

; Viana, Tatiana Barreto Pereira

; Silva, Jaine Kareny da

; Alves, Jeorgia Pereira

; Cardoso, Berta Leni Costa

Revista de Salud Pública

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dec 2022, Volume 24 N. 6 elocation 65270

Abstract: En Es Pt | Text: En Es Pt | PDF: En | PDF: Es | PDF: Pt

ABSTRACT Objective To know and analyze the care practices developed by multidisciplinary health care team in favor of women in Climacteric, and verify the knowledge of professionals about this phase. Method Methodology for data analysis used the Collective Subject Discourse (CSD). The instrument used was semi-structured interview. The sample consisted of 15 health professionals, and the data were collected in the period May-June 2013, in three of the county Guanambi ESF-BA. Results The study revealed a curative care practice, strengthening the biomedical model whose behavior therapy was associated with medical treatment, seen by many professionals as a solution for women who experience this phase and are only assisted when referring climacteric symptoms. Conclusion This study may serve as a reflexive basis for conducting new research in the context of primary health care with perspectives of new education strategies and permanent education for women, through individual, collective knowledge, and training of health professionals, who work Directly with this audience to think about a moment in the FHS agenda focusing on the attention to climacteric women.

RESUMEN Objetivo Conocer y analizar las prácticas asistenciales desarrolladas por el equipo multiprofesional de salud en favor de la mujer en el climaterio, así como verificar el conocimiento de los profesionales acerca de esa fase. Método El instrumento utilizado fue una entrevista semiestructurada. La muestra fue constituida por 15 profesionales de salud, y la recolección de datos tuvo lugar en el período de mayo a junio del 2013, en tres ESF del municipio de Guanambi-BA, y para análisis de datos se utilizó el discurso del sujeto colectivo (DSC). Resultados El estudio reveló una práctica asistencial curativa, que reforzaba el modelo biomédico, cuya conducta terapéutica se asociaba al tratamiento médico, visto por muchos profesionales como la solución para las mujeres que viven esa fase y solamente son asistidas cuando se refieren a los síntomas del climaterio. Conclusión El presente estudio podría servir de base reflexiva para llevar a cabo nuevas investigaciones en el contexto de la atención primaria en salud, con perspectivas de nuevas estrategias educativas y de educación permanente destinada a las mujeres. Esto, mediante saberes individuales y colectivos, así como la capacitación de los profesionales de la salud que actúan directamente con ese público, para pensar en la agenda de la ESF, con el foco puesto en la atención a la mujer climatérica.

RESUMO Objetivo Conhecer e analisar as práticas assistenciais desenvolvidas pela equipe multiprofissional de saúde em prol da mulher no climatério, bem como verificar o conhecimento dos profissionais acerca dessa fase. Método O instrumento utilizado foi entrevista semi estruturada. A amostra foi constituída por 15 profissionais de saúde, e a coleta de dados ocorreu no período de maio a junho de 2013, em três ESF do município de Guanambi-BA e para analise de dados utilizou-se o Discurso do Sujeito Coletivo (DSC). Resultados O estudo revelou uma prática assistencial curativista, reforçando o modelo biomédico cuja conduta terapêutica associava-se ao tratamento médico, visto por muitos profissionais como a solução para as mulheres que vivenciam essa fase e só são assistidas quando referem sintomas do climatério. Conclusão Esse estudo poderá servir de base reflexiva para a realização de novas pesquisas no contexto da atenção primária à saúde com perspectivas de novas estratégias educacionais e de educação permanente destinada às mulheres, através de saberes individuais, coletivos, e capacitação dos profissionais de saúde, que atuam diretamente com esse público para se pensar em um momento na agenda da ESF focalizando na atenção à mulher climatérica.

https://doi.org/10.15446/rsap.v24n6.65270

Diceraeus melacanthus (Dallas) (Hemiptera: Pentatomidae) development, preference for feeding and oviposition related to different food sources
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Queiroz, Ana Paula de

; Gonçalves, Jaciara

; Silva, Débora Mello da

; Panizzi, Antônio Ricardo

; Bueno, Adeney de Freitas

Revista Brasileira de Entomologia

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2022, Volume 66 N. 4 elocation e20220038

Abstract: En | Text: En | PDF: En

ABSTRACT The dispersion of Diceraeus melacanthus (Dallas) from soybean (first crop season) to maize (second crop season) is facilitated by the presence of weeds (e.g. Commelina benghalensis) and soybean grains on the ground. Understanding insect development and behavior on different food sources is important to develop pest management strategies. Thus, three independent experiments were conducted to study D. melacanthus nymph development, and adult preference for feeding and oviposition in different food source scenarios in the field. The first two trials studied development and food preference of D. melacanthus related to different food sources (C. benghalensis branches, moistened soybean grain + soybean seedlings, maize seedlings + C. benghalensis branches, moistened soybean grains + maize seedlings, moistened soybean grains + C. benghalensis branches, maize seedlings, as well as a standard diet). The third trial evaluated D. melacanthus oviposition preferences between the aforementioned plants. Overall, moistened soybean grains resulted in better nutritional quality, thus being crucial for D. melacanthus development, triggering faster nymph development as well as better overall adult fitness. The combination of soybean grains and maize seedlings or C. benghalensis branches showed great potential to benefit D. melacanthus, since these complementary food sources improved stink bug fitness, increasing mainly adult longevity, fecundity and egg viability. Therefore, it can be concluded that in order to reduce D. melacanthus outbreaks in second season maize, it is important to reduce soybean harvest loss (reducing, therefore, moistened soybean grain on the ground) and eliminate stink bug associated plants like C. benghalensis.

https://doi.org/10.1590/1806-9665-rbent-2022-0038

Experience of treatment of prosthetic valve endocarditis: a retrospective single-center cross-sectional study
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Andrade, Matheus de Oliveira

; Raffoul, Gabriel Elias Salmen

; Macedo, Murilo Teixeira

; Silva, Claudia Neto Gonçalves Neves da

; Teixeira, Maria Aparecida Santos

; Pontes, Sônia Jaciara Neto

; Daher, Mauricio

; Cunha, Claudio Ribeiro da

; Atik, Fernando Antibas

Sao Paulo Medical Journal

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aug 2018, Volume 136 N. 4 Pages 287 - 291

Abstract: En | Text: En | PDF: En

ABSTRACT BACKGROUND: The aim of this study was to describe the experience of treatment of early prosthetic valve endocarditis at a heart center. DESIGN AND SETTING: Retrospective single-center study on data collected from electronic medical records covering the period from January 2009 to December 2015. METHODS: Over the study period, 1,557 consecutive valve operations were performed on adult patients. The study population comprised 32 patients (2%) who were diagnosed with prosthetic valve endocarditis within 12 months after the index surgery. Medical records were retrieved from electronic hospital records, retrospectively. Descriptive clinical, echocardiographic, microbiological and treatment-type data were used. Risk factors for early mortality were studied through univariate and multivariate analyses. RESULTS: The main clinical manifestation of infective endocarditis was fever, and this was present in all patients. Most of the prostheses were affected in the aortic position (40.6% of cases). The most commonly cultured microorganisms were Staphylococcus epidermidis and Staphylococcus aureus. Twenty-six patients (81.3%) underwent surgical treatment and six (18.7%) underwent exclusive clinical treatment. The prevalence of postoperative complications was 31.3% and hospital mortality occurred in seven cases (21.9%). The mortality rate was 50% among the patients who underwent medical treatment and 15.4% among those who underwent surgery. There were no independent risk factors for mortality. CONCLUSION: Prosthetic valve endocarditis is an infrequent complication of valve replacement. Surgical treatment has mortality rates compatible with the severity of patients’ conditions. Surgical indication should not be delayed when clinical treatment has been ineffective

https://doi.org/10.1590/1516-3180.2018.031150418 875 downloads

Avaliação da eficiência de extratos de plantas nativas da caatinga sobre o controle da podridão seca (Lasiodiplodia theobromae) em cachos da videira cv. Itália
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Peixinho, Georgia de Souza

; Santos, Caio Márcio Guimarães

; Valtemir, Gonçalves Ribeiro

; Amorim, Edna Peixoto da Rocha

; Bispo, Jaciara de Souza

; Carvalho, Valdeir Nunes

Summa Phytopathologica

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jun 2017, Volume 43 N. 2 Pages 155 - 157

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Com a realização deste trabalho objetivou-se verificar o controle de L. theobromae através da utilização de extratos vegetais. Inicialmente, foi avaliada a inibição do crescimento micelial de L. theobromae em placas de Petri contendo o meio BDA suplementado com os extratos de Boldo Baiano, Jurema Preta, Pata de Vaca e Pau-ferro, nas concentrações 10, 20 e 30%, para todos os extratos. Posteriormente, foram realizados dois experimentos in vivo com o objetivo de avaliar o efeito direto e protetor dos extratos vegetais testados in vitro sobre a intensidade da podridão seca em cachos da videira cv. Itália, utilizando-se a concentração de 30%, sendo a água destilada esterilizada (ADE) utilizada como testemunha. Os resultados mostraram que extratos de Pau-ferro, Pata de vaca, Jurema preta e Boldo baiano com concentrações de 30% inibiram o crescimento micelial em 85,6; 83,3; 85,6 e 88,9%, respectivamente, contudo, os extratos testados não foram eficientes para inibir a incidência e a severidade da doença.

ABSTRACT This study aimed to verify L. theobromae control by using plant extracts. Initially, L. theobromae mycelial growth inhibition was evaluated on Petri dishes containing PDA medium supplemented with extracts of “boldo baiano”, “jurema preta”, “pata-de-vaca” and “pau-ferro” at the concentrations of 10, 20 and 30% for all extracts. Afterwards, two in vivo experiments were carried out to evaluate the direct and protective effect of the plant extracts tested in vitro on dry rot intensity in bunches of grape cv. Itália, using the concentration of 30%, while sterile distilled water (ADE) was adopted as control. Results showed that extracts of “pau-ferro”, “pata-de-vaca”, “jurema preta” and “boldo baiano” at concentrations of 30% inhibited mycelial growth by 85.6, 83.3, 85.6 and 88.9%, respectively; however, the tested extracts were not efficient in inhibiting the disease incidence and severity.

https://doi.org/10.1590/0100-5405/2166 1125 downloads

Extratos de Aroeira, Angico, Umburana e Quebra-faca no controle de Lasiodiplodia theobromae em cachos da videira cv. Itália
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Peixinho, Georgia de Souza

; Santos, Caio Márcio Guimarães

; Ribeiro, Valtemir Gonçalves

; Amorim, Edna Peixoto da Rocha

; Carvalho, Valdeir Nunes

; Bispo, Jaciara de Souza

Summa Phytopathologica

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jun 2017, Volume 43 N. 2 Pages 158 - 160

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO O objetivo deste estudo foi avaliar o efeito dos extratos vegetais sobre L. theobromae pela utilização de produtos como método alternativo. Foi analisado o crescimento micelial de L. theobromae em placas de Petri contendo o meio BDA suplementado com os extratos de Aroeira, Angico, Umburana e Quebra-faca nas concentrações de 10, 20 e 30%. Para avaliação do efeito direto dos extratos sobre o desenvolvimento de L. theobromae, cachos da cv Itália foram inoculados com o patógeno e, após 4 h, pulverizados com os diferentes extratos: Angico e Umburana (30%) e Quebra-faca (10%). Água destilada esterilizada (ADE) foi utilizada como testemunha. Posteriormente, para avaliar o potencial dos extratos como indutores de resistência, cachos da cv Itália foram submetidas aos mesmos tratamentos e, inoculados após 4 horas com L. theobromae. Os resultados mostraram que os extratos de Angico e Umburana nas concentrações de 30%, inibiram o crescimento micelial in vitro em 61,66 e 60% respectivamente, contudo os extratos testados não foram eficientes em inibir a incidência e a severidade da doença.

ABSTRACT The aim of this study was to evaluate the effect of plant extracts on L. theobromae by using products as an alternative method. Mycelial growth of L. theobromae was analyzed on Petri dishes containing PDA medium supplemented with extracts of Brazilian peppertree, angico, amburana and “quebra-faca” at the concentrations of 10, 20 and 30%. To evaluate the direct effect of extracts on the development of L. theobromae, bunches of grape cv Itália were inoculated with the pathogen and, after 4 h, sprayed with the different extracts: angico and amburana (30%) and “quebra-faca” (10%). Sterile distilled water (ADE) was used as control. Subsequently, to evaluate the potential of extracts as resistance inducers, bunches of grape cv Itália were subjected to the same treatments and inoculated, after 4 hours, with L. theobromae. Results showed that extracts of angico and amburana at the concentration of 30% inhibited in vitro mycelial growth by 61.66 and 60%, respectively; however, the tested extracts were not efficient in inhibiting the disease incidence and severity.

https://doi.org/10.1590/0100-5405/2155 1022 downloads

Vida útil pós-colheita do repolho roxo minimamente processado, armazenado em diferentes embalagens
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Gioppo, Mariane

; Souza, Adenilson Mroginski de

; Gonçalves, Jaciara

; Ayub, Ricardo Antonio

Revista Ceres

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aug 2012, Volume 59 N. 4 Pages 560 - 564

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

A demanda por alimentos minimamente processados deve-se necessidade de economia de tempo e de maior facilidade de preparo dos alimentos. O objetivo deste trabalho foi avaliar o comportamento do repolho roxo 'Red Dynasty', minimamente processado, submetido a quatro tipos de embalagens e a armazenamento refrigerado. Após minimamente processados, 200g de repolho foram acondicionados em quatro tipos de embalagens: tereftalato de polietileno, com tampa; bandejas de poliestireno expandido, revestidas com filme flexível de policloreto de vinila de 12 µm; filme de polietileno de baixa densidade de 70 µm e polipropileno perfurado. A temperatura durante o período de armazenagem em câmara fria foi de 5 ± 2 °C. As avaliações foram feitas a cada quatro dias, totalizando doze dias de armazenamento. Os parâmetros avaliados foram: perda de matéria fresca, teor de sólidos solúveis, pH, acidez titulável, vitamina C e antocianina. A embalagem PP não é recomendada por causa da grande perda de matéria fresca do repolho. As embalagens PET e PEBD foram as melhores para o armazenamento de repolho minimamente processado; proporcionaram menor perda de massa por doze dias, porém, aos quatro dias já apresentavam aparência escurecida, por causa da oxidação.

The demand for minimally processed foods is due to the need for saving time and facility in food preparation. The aim of this study was to evaluate the behavior of the cabbage cv. Red Dynasty minimally processed and subjected to four types of packaging and cold storing. After minimal processing, 200g of cabbage were stored into four types of packaging: polyethylene terephthalate with cover, polystyrene trays with flexible film coated with 12 µm polyvinyl chloride; film of low density polyethylene of 70 µm and perforated polypropylene. The temperature during the storage period in the cold chamber was 5 ± 2 C. Evaluations were made every four days, totaling twelve days of storage. The parameters evaluated were: weight loss, soluble solids, pH, titratable acidity, vitamin C and anthocyanins. The PP packaging is not recommended due to the cabbage loss of weight. PET and PEBD were the best material of packaging for the storage of minimally processed cabbage, providing lower mass loss for twelve days, but, as soon as four days, its appearance had already become darkened due to oxidation.

3839 downloads Cited 1 time in SciELO

TÉTANO GRAVE ASSOCIADO A CHOQUE SÉPTICO EM UMA PACIENTE IDOSA INTERNADA EM UNIDADE DE TERAPIA INTENSIVA
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Gonçalves Menegueti, Mayra

; Alkmim-Teixeira, Gil Cezar

; Machado Viana, Jaciara

; Basile-Filho, Aníbal

; Martins-Filho, Olindo Assis

; Martins, Maria Auxiliadora

Ciencia y enfermería

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apr 2012, Volume 18 N. 1 Pages 125 - 130

Abstract: Es En Pt | Text: Es En Pt | PDF: Es | PDF: En | PDF: Pt

Nós relatamos um caso de tétano grave associado a choque séptico em uma paciente de 61 anos admitida na Unidade de Terapia Intensiva (UTI) após perfurar o pé direito. A paciente apresentou perda de força muscular, paresia em membro inferior direito e disfagia. A paciente evoluiu com espasmos musculares generalizados, dispnéia e insuficiência respiratória. O espasmo intenso levou ao uso prolongado de ventilação mecânica invasiva, sedação e bloqueador neuromuscular. A evolução favorável deste caso está provavelmente relacionada aos avanços na gestão de UTI e uma equipe médica e de enfermagem bem treinadas.

We report a case of severe tetanus associated with septic shock in a 61-year-old female admitted to the Intensive Care Unit (ICU) after perforating injury in the right foot. The patient presented with loss of muscle strength, paresis in the right lower limb and dysphagia. The patient’s conditions worsened, progressing to generalized muscle spasms, dyspnea, and respiratory failure. Intense spasm made the prolonged use of invasive mechanical ventilation, sedation, and neuromuscular blockers necessary. The favorable outcome in the present case is probably related to advances in ICU management and well-trained medical and nursing staff.

5467 downloads Cited 1 time in SciELO

Diretrizes para o ensino na atenção primária à saúde na graduação em medicina
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Demarzo, Marcelo Marcos Piva

; Almeida, Rodrigo Cariri Chalegre de

; Marins, João José Neves

; Trindade, Thiago Gomes da

; Anderson, Maria Inez Padula

; Stein, Airton Tetelbom

; Guimarães, Fabiano Gonçalves

; Oliveira, Felipe Proenço de

; Carvalho, Fernanda Plesmann de

; Silva, Flavio Dias

; Oliveira, Francisco Arsego de

; Carlos, Gustavo Tenório

; Marques, Jaciara Bezerra

; Geniole, Leika Aparecida Ishigama

; Silveira, Lia Márcia Cruz da

; Pinto, Maria Eugênia Bresolin

; Silva, Nayra Almeida da

; Bagatelli, Rodrigo Cechelero

; Batista, Sandro Rogério Rodrigues

; Barboza, Tânia de Araújo

; Sarti, Thiago Dias

; Barreto, Vitor

; Gusso, Gustavo Diniz Ferreira

; Belaciano, Mourad Ibrahim

Revista Brasileira de Educação Médica

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mar 2012, Volume 36 N. 1 Pages 143 - 148

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O presente documento traz diretrizes construídas conjuntamente pela Associação Brasileira de Educação Médica (ABEM) e a Sociedade Brasileira de Medicina de Família e Comunidade (SBMFC) com a intenção de apoiar as escolas médicas de forma objetiva e prática, na elaboração de projetos político-pedagógicos no contexto da Atenção Primária à Saúde. Um marco reconhecido na política educacional brasileira é a publicação das Diretrizes Curriculares Nacionais, as quais flexibilizam as organizações curriculares, possibilitando a construção de projetos político-pedagógicos contemporâneos e consonantes com o Sistema Único de Saúde brasileiro. A Atenção Primária à Saúde é o ponto de convergência entre estas duas políticas, descentralizando o ensino da Medicina dos hospitais para toda a rede de saúde no Brasil. Destaca-se a imperiosidade de que o ensino na Atenção Primária à Saúde esteja presente longitudinalmente, ao longo de todo o curso, de preferência com inserções significativas (de aprendizado real e a partir do trabalho), mas que, sobretudo, deva fazer parte do núcleo de ensino da prática clínica do futuro médico.

These are a set of guidelines built by the Brazilian Association of Medical Education (ABEM) and the Brazilian Society of Family and Community Medicine (SBMFC) with the aim of supporting medical schools in a practical and objective manner, when elaborating pedagogical-political projects on Primary Health Care (PHC). The advent of the Brazilian National Curricular Guidelines for Medical Education, which are approved by the Ministry of Education in 2001 have since improved the teaching of undergraduate medical students on PHC, but there are still wide variations in implementation and quality of it in medical curricula. These guidelines by ABEM/SBMFC partnership can exert considerable influence on medical curricula by establishing minimum requirements and core competencies for PHC in Brazil.

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Reações de defesas químicas e estruturais de Lonchocarpus muehlbergianus Hassl. (Fabaceae) à ação do galhador Euphalerus ostreoides Crawf. (Hemiptera: Psyllidae)
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Oliveira, Dênis Coelho de

; Christiano, Jaciara de Cássia Souza

; Soares, Geraldo Luiz Gonçalves

; Isaias, Rosy Mary dos Santos

Brazilian Journal of Botany

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dec 2006, Volume 29 N. 4 Pages 657 - 667

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Galhas são estruturas vegetais induzidas em resposta ao ataque de organismos indutores. Euphalerus ostreoides (Psyllidae) induz galhas sobre a face adaxial de folíolos nas nervuras de segunda ordem de Lonchocarpus muehlbergianus (Fabaceae). Seções anatômicas foram realizadas e comparados os tecidos de folíolos sadios com os de galhas imaturas e maduras. Testes histoquímicos para detecção de derivados fenólicos, flavonóides, ligninas, lipídios e amido foram realizados para avaliar o impacto químico causado pelo galhador. Em termos estruturais, a perda de sinuosidade das células epidérmicas, a neoformação de tricomas, de células condutoras e de fibras foram os caracteres mais conspícuos observados em decorrência da indução das galhas. Destaca-se a hiperplasia e hipetrofia do mesofilo com manutenção da estratificação, a produção de gotículas lipídicas e amido, flavonas, flavonóis e flavanonas nos tecidos das galhas. Contudo, a formação de cristais de oxônio pela adição de ácido sulfúrico somente nos tecidos das galhas foi uma característica marcante. Os resultados sugerem que L. muehlbergianus está submetida a alto estresse oxidativo induzido pela ação do E. ostreoides. Conclui-se que as alterações são consideradas reações de defesa da planta contra herbivoria e mecanismos de adaptação que em conjunto favorecem o estabelecimento do galhador nos tecidos vegetais.

Galls are plant structure induced in response to stimuli of a gallinducing organism. Euphalerus ostreoides induces galls on the adaxial surface of leaflets directly on secondary veins of Lonchocarpus muehlbergianus. Anatomical analyses were performed to compare healthy leaflets, immature and mature gall tissues. Histochemical tests for detection of phenolic derivatives, flavonoids, lignins, lipids and starch were performed to check the chemical impact of gall-inducing action. The lost of sinuosity of epidermal cells, the neoformation of trichomes, of conducting cells, and fibres were the most conspicuous plant responses features to gall induction. Mesophyll hiperplasia with maintenance of tissue stratification, and accumulation of lipids, starch, flavones, flavonols and flavanones in gall tissues were observed. Nevertheless, the formation of oxonium salts by the reaction with sulfuric acid only in gall tissues was a remarkable feature. The results suggested that L. muehlbergianus was submitted to a high oxidative stress induced by the action of E. ostreoides. It was possible to conclude that the structural and chemical alterations observed were considered as plant defensive reactions against herbivory and adaptive mechanisms that favor the galling insect establishment within plant tissues.

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ANÁLISE COMPARATIVA ENTRE AS DEFESAS MECÂNICAS E QUÍMICAS DE Aspidosperma australe MÜELL. ARG. E Aspidosperma cylindrocarpon MÜELL. ARG. (APOCYNACEAE) CONTRA HERBIVORIA MÜELL ARG APOCYNACEAE (APOCYNACEAE
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ISAIAS, ROSY MARY DOS SANTOS

; SOARES, GERALDO LUIZ GONÇALVES

; CHRISTIANO, JACIARA DE CÁSSIA SOUZA

; GONÇALVES, SAMUEL JOSÉ DE MELO REIS

Floresta e Ambiente

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dec 2000, Volume 7 N. 1 Pages 19 - 30

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Aspidosperma australe e Aspidosperma cylindrocarpon são muito utilizadas na arborização do Campus Pampulha da Universidade Federal de Minas Gerais. Contudo, a infestação por insetos galhadores compromete sensivelmente apenas o vigor de mudas recém-plantadas e de espécimes já adultos de A. australe. O estudo anatômico, histoquímico e a análise do perfil cromatográfico das folhas de A. australe e A. cylindrocarpon teve por objetivo avaliar caracteres morfológicos e químicos que possam constituir mecanismos de defesa, afetando a aceitabilidade e/ou a resistência dessas espécies a infestação pelo inseto galhador (Pseudophacopteron sp.). A análise estrutural permitiu caracterizá-las como espécies vegetais anatomicamente distintas, com diferenças relevantes observadas nos sistemas de revestimento e fundamental. As diferenças químicas relacionadas à produção de derivados fenólicos nas duas espécies sugerem estratégias de proteção contra a infestação pelo inseto galhador e por outros possíveis herbívoros em A. cylindrocarpon. Em A. australe, tanto as características anatômicas quanto as químicas denotam maior susceptibilidade ao ataque pelo Pseudophacopteron sp. e por todos os demais componentes da teia alimentar envolvidos nesta galha. Gerais Contudo recémplantadas recém plantadas anatômico defesa eou ou sp.. sp . sp.) caracterizálas caracterizá las distintas fundamental galha

ABSTRACT Aspidosperma australe and Aspidosperma cylindrocarpon are widely used in the arborization of Pampulha Campus of Universidade Federal de Minas Gerais. Gall insects are very common only in young and adult specimens of A. australe. The anatomical and histochemical studies, as well as the chromatografic profiles of the leaves of A. australe and A. cylindrocarpon, meant to analyse the morphological and chemical characteristics that could constitute defense strategies and should affect the acceptability and/or resistance of these species to the attack of a gall inducing insect (Pseudophacopteron sp.). A. australe and A. cylindrocarpon are anatomically distinct species, with relevant characteristics observed on epidermis and mesophyll. Chemical differences in the production of phenolics in both species suggest that A. cylindrocarpon presented defense strategies to the gall insect as well as to some other possible herbivores. On the other hand, A. australe presented morphological and chemical characteristics that could imply in its greater susceptibility to the attack of Pseudophacopteron sp. and to all the other members of the guild involved in its gall food web. Gerais A studies andor or sp.. sp . sp.) mesophyll herbivores hand web

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