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Search Results: 1 - 10 of 157885 matches for " Jo?o Rodrigues dos Santos "
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Effect of natural selection on common bean (Phaseolus vulgaris) microsatellite alleles
Rodrigues, Taislene Butarello;Santos, Joo Bosco dos;
Genetics and Molecular Biology , 2006, DOI: 10.1590/S1415-47572006000200024
Abstract: the effect of natural selection on microsatellite simple sequence repeat (ssr) alleles was investigated in two distinct common bean (phaseolus vulgaris) generations (f8 and f24) derived from the cross between the p. vulgaris cultivars carioca mg x esal 686. the f2 segregant population was propagated by the bulk method and 107 plants were sampled in two generations (f8 and f24). each plant generated one family which was replicated by the bulk method to f8:11 and f24:27 families from which dna was extracted. thirty pairs of microsatellite primers were polymorphic for the parents and the bulk of the f24:27 families. out of 30 loci selected by natural selection, 29 microsatellite alleles came from the carioca mg parent and one allele came from the esal 686 parent. natural selection affected all the generations and its intensity was specific for each locus and generation. therefore all the alleles selected at each locus must be important for adaptation in a breeding program.
Nas fissuras dos cadernos encardidos: o bordado testemunhal de Carolina Maria de Jesus
Carrijo, Fabiana Rodrigues;Santos, Joo B?sco Cabral dos;
Linguagem em (Dis)curso , 2012, DOI: 10.1590/S1518-76322012000200003
Abstract: this paper aims at approaching the writing by an author who reached farther than her social, economic and limited conditions would allow. it also proposes to examine the writings by carolina maria de jesus as an indication of a conceptual re-meaning of a quotidian discourse, which is materialized by means of allegories of a difficult life. such experiences will be demonstrated, considering the author’s dislocation to the condition of subjective instance who reveals a discourse of social exclusion while bringing to literature such a kind of social portrait. it is registered in the theoretical contributions of ad (french), that this thesis project aims to look, closely, to the basic literary corpus, although incanonic, consisting in the work entitled “quarto de despejo - diário de uma favelada”, with a view to propose an interface that works together to sketch the processes of subjectivation; it also aims to outline what here is called the literary incanonic discursivity in carolina maria de jesus.
Possíveis intera es medicamentosas com psicotrópicos encontradas em pacientes da Zona Leste de S o Paulo
Helen Cristina dos Santos,Roberto Rodrigues Ribeiro,Márcio Ferrarini,Joo Paulo dos Santos Fernandes
Revista de Ciências Farmacêuticas Básica e Aplicada , 2010,
Abstract: Intera o medicamentosa é o resultado de uma interferência no efeito de um medicamento por outros agentes. Dentre os fatores que resultam nas intera es medicamentosas destacam-se a automedica o e a prática da polifarmácia. O objetivo deste trabalho foi realizar um levantamento de intera es medicamentosas que ocorrem com fármacos que atuam no sistema nervoso central, suas possíveis consequências, bem como os motivos que propiciam tal situa o. Foi realizado um estudo observacional transversal de 60 indivíduos da zona leste de S o Paulo que utilizam medicamentos psicotrópicos, maiores de 21 anos e de ambos os sexos, por meio de um questionário entre junho e agosto de 2008. Os principais psicotrópicos utilizados pelos indivíduos foram benzodiazepínicos e antidepressivos (54 indivíduos), sendo que estes fármacos apresentam alto índice de intera es medicamentosas. Cerca de 77% utilizam outros medicamentos em paralelo ao tratamento com psicotrópicos, sendo que destes apenas 35% o fazem com supervis o médica e 27% dos indivíduos utilizaram bebidas alcoólicas concomitantemente. As principais intera es encontradas envolveram antidepressivos com benzodiazepínicos, antiulcerogênicos, anticonvulsivantes e álcool. Conclui-se que a automedica o e o uso inadequado de medicamentos s o fatores que podem propiciar a ocorrência das intera es medicamentosas encontradas, algumas com consequências graves. Palavras-chave: Intera es de medicamentos. Intera es alimento-droga. Psicotrópicos. Assistência farmacêutica. ABSTRACT Possible drug interactions with psychotropics found in patients in East S o Paulo A drug interaction is the interference in the effect of a drug by another substance. Outstanding among the factors that result in drug interactions are selfmedication and the practice of polypharmacy. The aim of this work was to conduct a survey of drug interactions that occur with drugs that act on the central nervous system, their possible consequences and the reasons for their occurrence. An observational cross-sectional study was performed on 60 subjects from East Sao Paulo who take psychotropic drugs (over 21 years old and of both genders), by means of a questionnaire applied from June to August 2008. The main drugs taken by those interviewed were benzodiazepines and antidepressants (54 subjects), which are drugs that have high rates of drug interactions. About 77% took other drugs, in parallel with the psychotropic drug treatment, of which only 35% were under medical supervision, and 27% of subjects drank alcohol while taking psychotropic drugs. The main interac
Produ o e caracteriza o da bananeira 'Prata An ' (AAB) em dois ciclos de produ o (Juazeiro, Bahia) Production and characterization of banana 'Prata An ' (AAB) in two production cycles (Juazeiro, Bahia/Brazil)
Marlon Jocimar Rodrigues da Silva,Joo Marcos Chagas dos Anjos,Paulo Ricardo Rodrigues de Jesus,Gabiane Souza dos Santos
Revista Ceres , 2013,
Abstract: A avalia o do comportamento de genótipos de bananeira em diferentes ecossistemas é essencial ao programa de melhoramento genético, tornando-se de fundamental importancia para o sistema produtivo. O objetivo deste trabalho foi avaliar o crescimento da bananeira 'Prata An ' (AAB), nos 1° e 2° ciclos de produ o, e os atributos físico-químicos dos frutos, no Submédio S o Francisco. As mudas foram produzidas pelo processo de cultura de tecidos, na Biofábrica de Cruz das Almas, BA, e transplantadas para o campo com seis meses de idade, cultivadas no espa amento 3 x 3 m. Foram avaliados os ciclos de produ o (em dias) e, em cada ciclo, a altura das plantas, o perímetro do pseudocaule e o número de folhas adultas. Quanto à produ o, foram avaliadas as seguintes características: massa da matéria fresca do cacho; número de pencas e de frutos por cacho; massa da matéria fresca da 2a penca; número, comprimento e diametro de frutos da 2a penca; rela o polpa/casca; firmeza; pH; sólidos solúveis (SS); acidez titulável (AT) e a rela o SS/AT. Verificou-se diferen a significativa para a maioria das variáveis analisadas: o segundo ciclo de produ o da bananeira 'Prata An ' foi menor do que o primeiro, sendo que, no segundo ciclo, ocorreram tendências de maior crescimento e de melhor desempenho dos caracteres que expressam a produ o e a qualidade física dos frutos. Evaluation of the behavior of banana genotypes in different ecosystems is essential in a breeding program, making it crucial for the production system. The aim of this study was to evaluate the growth behavior of banana 'Prata An ' (AAB) in the 1st and 2nd cycles of production and fruit physical-chemical attributes in the sub- middle region of the S o Francisco River Valley. The seedlings were produced by tissue culture in a Biofactory in Cruz das Almas - BA and transplanted to the field after six months, in a spacing of 3 x 3 m. It was evaluated the production cycles (in days) and in each cycle, plant height, pseudostem perimeter and the number of mature leaves. The following characteristicsof production were evaluated: bunch fresh mass, number of cluster and fruits per bunch; fresh mass of the 2nd cluster, number, length and diameter of fruits in the 2nd cluster; pulp/skin ratio; firmness, pH, soluble solids (SS), titratable acidity (TA) and SS/TA ratio. There was significant difference for most variables: the second production cycle of banana 'Prata An ' was shorter than the first, on the second cycle occurred trends of increased growth and better performance of the characters that express production and
Antiviral activities of plants occurring in the state of Minas Gerais, Brazil: Part 2. Screening Bignoniaceae species Atividade antiviral de extratos de plantas coletadas no estado de Minas Gerais: Parte 2. Triagem de Bignoniaceae
Geraldo Célio Brand?o,Erna G. Kroon,Joo Rodrigues dos Santos,Joo Renato Stehmann
Revista Brasileira de Farmacognosia , 2010,
Abstract: Ethanol extracts of eighteen Bignoniaceae species have been evaluated by the MTT assay for cytotoxicity in Vero cells and for antiviral activity against Human herpes virus type 1, Vaccinia virus and murine Encephalomyocarditis virus. Among such species, seven are reported to be of traditional medicinal use No cytotoxicity was observed for most of the extracts up to the concentration of 500 μg/mL. Fourteen (50%) of the 28 extracts assayed have disclosed antiviral activity with EC50 values in the range of 4.6+0.3 to 377.2+17.7 μg/mL. Only two species, Arrabidaea samydoides and Callichlamys latifolia, have shown activity against all the three viruses. The extracts were chemically characterized by their TLC and HPLC-DAD profiles. Mangiferin is the major constituent of A. samydoides but the isolated compound has been less active than the crude extract. This is the first report on the antiviral evaluation of the eighteen Bignoniaceae species assayed. Extratos etanólicos de dezoito espécies vegetais pertencentes à família Bignoniaceae, das quais sete s o descritas como de uso medicinal, foram avaliados, pelo ensaio colorimétrico do MTT, para atividades citotóxica, em células Vero, e antiviral, frente aos vírus herpes simplex-tipo 1, vaccinia e encefalomiocardite murina. A maior parte dos extratos n o apresentou citotoxicidade até a concentra o de 500 μg/mL. Dos 28 extratos testados quatorze (50%) apresentaram atividade antiviral com valores de CE50 na faixa de 4,6+03 a 377,2+17,7 μg/mL. Somente duas espécies, Arrabidaea samydoides e Callichlamys latifolia, foram ativas frente aos três vírus. Os extratos foram caracterizados pelos seus perfís cromatográficos em CCD e CLAE-FR. Análises por CLAE-FR mostraram que a mangiferina é o constituinte majoritário em A. samydoides mas a substancia isolada foi menos ativa do que o extrato bruto. Esta é a primeira vez que se relata a atividade antiviral de extratos das dezoito espécies avaliadas.
Natural selection in common bean microsatellite alleles and identification of QTLs for grain yield
Leite,Monik Evelin; Santos,Joo Bosco dos; Carneiro,Flávia Fernandes; Couto,Karla Rodrigues;
Electronic Journal of Biotechnology , 2011,
Abstract: natural selection acts to select better adapted individuals or alleles in segregating population and help plant breeding. the objective of this work was to verify the effect of natural selection on microsatellite alleles as indicators of better adaptation and identification of quantitative trait loci (qtls) for grain yield. this study evaluated 107 progenies from the f8 and 107 from the f24 generation derived from crossing carioca mg and esal 686 lines, carried out by the bulk method, and evaluated in three different seasons: winter 2001; rainy 2001 and dry 2002. it was utilized 22 polymorphic markers and the natural selection acted in all of them. the frequency of the alleles of the parent carioca mg, the most adapted, was increased in all of the 22 loci in f8 and 19 loci in f24. selection affected each locus with different intensities in different generations. all of the selected alleles can be important for breeding program. qtls were identified in generation f8 and f24 at varied magnitudes. the best marker pvttc002 explained 11.76% of variation in grain yield. however, an elevated interaction between qtls and the environments was observed, showing the great difficulty in assisted selection.
Influence of different levels of aluminum on the development of citrus rootstock swingle citrumelo (Citrus paradisi mcf. x Poncirus trifoliata raf.) in nutrient solution
Santos, Carlos Henrique dos;Grassi Filho, Hélio;Rodrigues, Joo Domingos;Pinho, Sheila Zambello de;
Brazilian Archives of Biology and Technology , 2000, DOI: 10.1590/S1516-89132000000100004
Abstract: this work aimed at evaluating the influence of different levels of aluminum on the physiological parameters of the citrus rootstock swingle citrumelo in hydroponic solution. the experiment was carried out with a completely randomized design with three replications, subdivided in several lots. the levels of aluminum used were: 0, 7.5, 15, 22.5 and 30 mg l-1 in form of alcl3.6h2o in nutrient solution. following physiological parameters were evaluated: specific and relative foliar area, relative foliar mass, and the ratio of aerial part dry matter/root system dry matter. the results showed that aluminum did not influence the parameters evaluated except the specific foliar area, which decreased starting at the 7.5 mg l-1 level.
Controle químico da ferrugem asiática da soja em fun??o de ponta de pulveriza??o e de volume de calda
Cunha, Joo Paulo Arantes Rodrigues da;Reis, Elton Fialho dos;Santos, Roberto de Oliveira;
Ciência Rural , 2006, DOI: 10.1590/S0103-84782006000500003
Abstract: the spray nozzles are one of the most important components of pesticide hydraulic sprayers. this study aimed at evaluating the chemical control of the rust and the deposition of fungicide sprayed on soybean concerning different nozzles, and application volumes. a randomized complete-block design with four replications was used, in a factorial model (4 x 2) + 1: four spray nozzles (standard flat fan, pre-orifice flat fan, air induction flat fan and air induction twin flat fan), two spray volumes (115 and 160l ha-1) and the control (non-treated plot). emgopa 313 soybean (long cycle) were sown. after the application of the fungicide tebuconazole, with the different nozzles and volume rates, the spray deposition in the plant canopy, the rust severity, and the yield were evaluated. the results showed that, despite the fact of the volume rate of 160l ha-1 and of the use of the standard flat fan nozzles have provided larger fungicide distribution uniformity in the plant canopy, there was not influence of the nozzle type neither of the application volume in the control of the rust as well as in the soybean yield. the fungicide has provided a good control of the rust, increasing the soybean yield, that was, on average, 41% superior to that obtained in the control.
Transtorno de conduta/TDAH e aprendizagem da Matemática: um estudo de caso
Rodrigues, Carolina Innocente;Sousa, Maria do Carmo;Carmo, Joo dos Santos;
Psicologia Escolar e Educacional , 2010, DOI: 10.1590/S1413-85572010000200002
Abstract: the present article aims to describe a case-study about an elementary school pupil showing high mathematics learning difficulties and previously diagnosed with conduct disorder (cd) associated to attention deficit/hyperactivity disorder (adhd). initially an operational description of the case was devised, as well as the relation between cd/adhd and mathematics learning. the case study involved interviews, documental analysis, classroom observations, and interaction with the pupil in pedagogical contexts. data showed that cd/adhd did not produced the suggested math learning difficulties, although such association, along with parental and school factors, tended to aggravate the case development. specific directions and suggestions in order to reorganize the school actions on the case are presented.
Crescimento do meloeiro Cantaloupe sob manejo de irriga??o por gotejamento em Janaúba, Minas Gerais
Lemos, Lorena Moreira Carvalho;Santos, Silvanio Rodrigues dos;Lemos, Joo Paulo;
Revista Ceres , 2012, DOI: 10.1590/S0034-737X2012000500006
Abstract: water management for the melon crop is undoubtedly one aspect that requires more care, since the hydric needs are very variable. this study aimed to analyze the vegetative development of the cantaloupe "coronado f1" melon under simplified irrigation management, in the soil and climatic conditions of the semi-arid region of minas gerais (janaúba mg). the experiment was conducted in the campus of unimontes in janaúba-mg, arranged in randomized blocks with five treatments and four replicates. the treatments consisted of: t1 (control): management recommended by the literature, t2: 50% eca (evaporation of the class-a tank), t3: 75% eca, t4: 100% eca, t5: 125% eca. the evaluated carachteristics included: the length and width of the plant, number of fruits/plant, length of the longest branch, the shaded area for the soluble solids content (° brix), sorting of fruits at the time of harvest, fruit weight, shape and business productivity relationship. twenty fruits were analyzed plot. the results indicated that it is possible to use as irrigation management, the simplified methodology based on fractions of the class-a tank compared with the methodology recommended by the literature for the planting of cantaloupe "coronado f1" melon and that the different fractions did not influence the characteristics of postharvest of the crop.
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