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Search Results: 1 - 10 of 563433 matches for " Mário Luiz Teixeira de MORAES "
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“Datamining” dos genes da celulose sintase relacionados com ESTs de Eucalyptus spp. (Nota Científica). Cellulose synthase genes dataming related with Eucalyptus spp. expressed sequence tags. (SCIENTIFIC NOTE)
Léo ZIMBACK,Edson Seizo MORI,Mário Luiz Teixeira de MORAES,Edson Luiz FURTADO
Revista do Instituto Florestal , 2008,
Abstract: Trata-se de um estudo sobre “datamining”envolvendo genes ligados ao crescimento decontrole n o hormonal, utilizando o banco dedados de ESTs de eucalipto, efetuado atravésdo Projeto Genoma do Eucalipto (FORESTs)comparados ao nível de aminoácidos. Foramidentificados os clusters de ESTsEGBGFB1211D01.g, EGEZRT6201E10.g,EGCCFB1220G07.g, EGRFCL1206E01.g,EGEQST2006A06.g, EGRFCL1206E01.g,EGEQRT3001H05.b e EGBFRT3106G11.g,similares às proteínas de celulose sintase e suassubunidades controlando o crescimento emArabidopsis thaliana, Gossipium hirsutum,Populus tremuloides, Zea mays e Nicotiana alata,registradas no National Center of BiotechnologiesInformation - NCBI, informa o valiosa parafuturos programas de melhoramento genético dogênero Eucalyptus.This is a study about data mining ofexpressed sequence tags (ESTs) involved withcellulose synthase growth effect genes resultedfrom the Eucalyptus ESTs Genome Project(FORESTs) compared at aminoacids level. Using asequencing of derived from cDNAs librariesinduced and not induced by bacteria, wereidentified EST clusters EGBGFB1211D01.g,EGEZRT6201E10.g, EGCCFB1220G07.g,EGRFCL1206E01.g, EGEQST2006A06.g,EGRFCL1206E01.g, EGEQRT3001H05.b, andEGBFRT3106G11.g, similar to cellulose synthaseproteins controlling growth effect in Arabidopsisthaliana, Gossipium hirsutum, Populustremuloides, Zea mays, and Nicotiana alata,registered on National Center of BiotechnologiesInformation - NCBI. These mining results areimportant to improve Eucalyptus breeding programs.
ESTIMATIVAS DE PAR?METROS GENéTICOS E PREDI??O DE VALORES GENOTíPICOS NO MELHORAMENTO DO CAFEEIRO PELO PROCEDIMENTO REML/BLUP
RESENDE, MARCOS DEON VILELA DE;FURLANI-JúNIOR, ENES;MORAES, MáRIO LUíZ TEIXEIRA DE;FAZUOLI, LUIZ CARLOS;
Bragantia , 2001, DOI: 10.1590/S0006-87052001000300005
Abstract: the aim of this paper is to apply the reml/blup methodology in coffee breeding programs, using it in the parameter estimation and genotypic values prediction in a cultivar trial of coffea arabica. a trial established in selvíria-ms by unesp/campus de ilha solteira, was studied. the trial evaluated 12 cultivars developed by the instituto agron?mico de campinas in a complete block design with four replications and 10 plants per plot. the results showed a low genetic variability among cultivars for the traits height, stem diameter and number of primary branches, at age of 26 months. only the cultivars catuaí amarelo, icatu vermelho and catuaí vermelho showed predicted genotypic values for stem diameter superior to the general mean of the trait. the accuracy of the genotypic evaluation of the cultivars for stem diameter was, in average, 76%. the use of an experimental design with two plants per plot and 20 replications can lead to an accuracy of 90% for stem diameter. the mixed model methodology (reml/blup) showed to be adequate for genetic parameter estimation and genotypic values prediction in coffee breeding and then, could be used routinely.
ESTIMATIVAS DE PAR METROS GENéTICOS E PREDI O DE VALORES GENOTíPICOS NO MELHORAMENTO DO CAFEEIRO PELO PROCEDIMENTO REML/BLUP
RESENDE MARCOS DEON VILELA DE,FURLANI-JúNIOR ENES,MORAES MáRIO LUíZ TEIXEIRA DE,FAZUOLI LUIZ CARLOS
Bragantia , 2001,
Abstract: Objetivou-se aplicar o método REML/BLUP em programas de melhoramento genético do cafeeiro, utilizando-o na estima o de parametros genéticos e predi o de valores genotípicos para a espécie Coffea arabica. O experimento foi instalado em julho de 1998 pela Universidade Estadual Paulista (UNESP), em Selvíria (MS). As 12 cultivares selecionadas pelo Instituto Agron mico (IAC), Campinas (SP), foram avaliadas no delineamento em blocos ao acaso com quatro repeti es e dez plantas por parcela. Os resultados revelaram baixa variabilidade genética entre as cultivares para os caracteres altura da planta, diametro do caule e número de ramos plagiotrópicos, avaliados aos 26 meses. Apenas as cultivares Catuaí Amarelo, Icatu Vermelho e Catuaí Vermelho apresentaram valores genotípicos preditos para o diametro do caule superiores à média geral desse caráter. A acurácia na avalia o dos valores genotípicos das cultivares para o caráter diametro do caule equivaleu, em média, a 76%. A ado o de uma experimenta o com duas plantas por parcela e 20 repeti es poderá elevar a 90% a acurácia seletiva para o caráter diametro do caule. O método de modelos mistos (REML/BLUP) mostrou-se adequado à estima o de parametros genéticos e predi o de valores genotípicos no melhoramento do cafeeiro, podendo ser empregado rotineiramente.
Age-age correlation for early selection of rubber tree genotypes in S?o Paulo State, Brazil
Gon?alves, Paulo de Souza;Bortoletto, Nelson;Cardinal, átila Bento Beleti;Gouvêa, Lígia Regina Lima;Costa, Reginaldo Brito da;Moraes, Mário Luiz Teixeira de;
Genetics and Molecular Biology , 2005, DOI: 10.1590/S1415-47572005000500018
Abstract: in a field trial involving 68 rubber tree (hevea spp.) clones calculation of genotypic correlation coefficients revealed significant age-age correlation from age 1 to 6 (immature period) for girth a and for age 7 to 12 (mature period) for girth b and for age 7 to 12 (production of latex) for yield. rank correlation coefficients between all immature ages of girth (girth a), all ages of mature girth (girth b) and all annual rubber production (yield) were significant for the three traits, with the coefficients decreasing with increasing age. selection of the sets of best 30, 15, 10 and 5 clones from the available 68 clones at a given age was generally accompanied by a descending order of percentage success. it was suggested: (a) to have the best 30 clones of age 6, select the set of best 36 clones at age 2, (b) to have the best 15 clones of age 6, select the set of best 20 clones at age 3, (c) to have the best 5 clones of age 6, select the set of best 8 clones at age 4, and (d) to have the best 3 clones of age 6, select the set of best 3 clones at age 5. more than 80% of the targeted clones on girth a or girth b basis and more than 76.7% clones on yield basis were found to get selected at steps (a) through (d). for achieving early multiplication of the most productive clone for deployment, multiplication should be started with the best 36 (i.e. 60%) clones selected at age 2.
Genetic variation in growth traits and yield of rubber trees (Hevea brasiliensis) growing in the Brazilian state of S?o Paulo
Gon?alves, Paulo de Souza;Moraes, Mário Luiz Teixeira de;Bortoletto, Nelson;Costa, Reginaldo Brito da;Gon?alves, Elaine Cristine Pifer;
Genetics and Molecular Biology , 2005, DOI: 10.1590/S1415-47572005000500019
Abstract: analysis of variance and covariance was preformed on growth traits (stem girth, bark thickness, total height gain and rubber yield) of 22 open-pollinated progenies of the rubber tree hevea brasiliensis from an asian hevea collection introduced to agronomic institute (instituto agron?mico, campinas, s?o paulo, brazil; iac) in 1952. this progeny trial was replicated at three sites in s?o paulo state and it was found that at three years from sowing there was statistically significant variation for girth, bark thickness, height and rubber yield. an individual test sites, values of individual plant heritability for girth ranged from h= 0.36 to h= 0.89 whereas values for heritability for progeny means ranged from h= 0.77 to h= 0.87. these moderate and high heritabilities suggest that a combination of progeny and within-progeny selection would be effective at increasing girth in this population at individual sites. across sites, values of individual-plant heritability for girth ranged from h= 0.36 to h= 0.47, whereas values for heritability of progeny means girth ranged from h= 0.77 to h= 0.87. there were high positive genetic correlations between increased girth and bark thickness suggesting that breeding aimed at increasing girth would also increase bark thickness and possibly height.
Temporal stability for unpredictable annual climatic variability for Hevea genotype selection
Gon?alves, Paulo de Souza;Moraes, Mário Luiz Teixeira de;Gouvêa, Lígia Regina Lima;Aguiar, Adriano Tosoni da Eira;Scallopi Júnior, Erivaldo José;
Brazilian Archives of Biology and Technology , 2008, DOI: 10.1590/S1516-89132008000100002
Abstract: the objective of this study was to assess genotype-year interaction and determine temporal stable genotypes across six years of rubber yield evaluation. stability analyses were performed by eberhart and russell method for rubber yield. twenty-five genotypes were analyzed in a randomized complete block design with three replications. the best genotype in one year was not same always in the other year. the genotype components were partitioned into linear (genotypes within year) and nonlinear (pooled deviations) components. significant mean square for linear components was predictable. this indicated that the performance of genotypes across the years for rubber yield could be predicted. among the analyzed genotypes the iac 40 also was considered highly productive and vigorous, with suitable adaptation.
Estimative of genetic parameters in progeny test of Pinus caribaea Morelet var. hondurensis Barret & Golfari by quantitative traits and microsatellite markers
Tambarussi, Evandro Vagner;Sebbenn, Alexandre Magno;Moraes, Mário Luiz Teixeira de;Zimback, Léo;Palomino, Edwin Camacho;mori, Edson seizo;
Bragantia , 2010, DOI: 10.1590/S0006-87052010000100006
Abstract: the aims of this work were to estimate the coefficient of relatedness within families and the genetic parameters for growth related traits in a progeny test from an open-pollinated variety of pinus caribaea morelet hondurensis barret & golfari, established in mato grosso do sul state, brazil. the experimental design was the triple 10 x 10 lattice, with 96 families, three replicates, and ten plants per plot. fourteen years after planting, the trial was measured for the following traits: total height, diameter at breast height (dbh), and true volume. the estimation of coefficients of relatedness within family from microsatellite loci indicated that families are true half-sibs (^rxy = 0.253). thus, the additive genetic variance (σ2a) can be estimated assuming that the genetic variance among progenies (σ2p) accounts for ? of additive genetic variance (^σ2a = 4^σ2p). the estimative of heritability coefficients at individual level (hi2) was relatively high (0.28 for dbh and 0.44 for height). the heritability coefficient considering the average families (hm2) was also high, ranging among the traits from 0.50 to 0.58. these results suggest that the population can be improved by both massal and among families selection. additionally, the estimated genetic gains with sequential selection among and within families were high (ranging from 8.92% for height to 37.56% for volume), demonstrating that this method of selection can generate high genetic improvement.
Prediction of Hevea progeny performance in the presence of genotype-environment interaction
Gon?alves, Paulo de Souza;Moraes, Mário Luiz Teixeira de;Silva, Marcelo de Almeida;Gouvêa, Lígia Regina Lima;Aguiar, Adriano Tosoni da Eira;Costa, Reginaldo Brito da;
Brazilian Archives of Biology and Technology , 2009, DOI: 10.1590/S1516-89132009000100004
Abstract: twenty two open-pollinated hevea progenies from different parental clones of the asian origin were tested at five sites in the northwestern s?o paulo state brazil to investigate the progeny girth growth, rubber yield, bark thickness and plant height. except for the rubber yield, the analysis of variance indicated highly significant (p<0.01) genotype x environment interaction and heterogeneity of regressions among the progenies. however, the regression stability analysis identified only a few interacting progenies which had regression coefficients significantly different from the expected value of one. the linear regressions of the progeny mean performance at each test on an environmental index (mean of all the progenies in each test) showed the general stability and adaptability of most selected hevea progenies over the test environments. the few progenies which were responsive and high yielding on different test sites could be used to maximize the rubber cultivars productivity and to obtain the best use of the genetically improved stock under different environmental conditions.
Porcine Circovirus 2: Immunopathogenesis and Recent Developments in Vaccines  [PDF]
Abelardo Silva Júnior, Otávio Valério de Carvalho, Luiz Henrique Silva Bulos, Juliana Lopes Rangel Fietto, Mauro Pires Moraes, Márcia Rogéria de Almeida
World Journal of Vaccines (WJV) , 2012, DOI: 10.4236/wjv.2012.22013
Abstract: Porcine circovirus 2 (PCV2) is currently considered an important etiologic agent of swine and its infection has potentially serious economic impact on the swine industry worldwide. This virus is frequently associated with postweaning multisystemic wasting syndrome (PMWS), and also with other clinical conditions such as porcine dermatitis and nephropathy syndrome (PDNS), late-term abortions, reproductive failure in sows, proliferative and necrotizing pneumonia and congenital tremors. The term porcine circovirus-associated disease (PCVAD) is currently used to refer to any of these diseases when they are associated with PCV2 infection. The PCV2 was recognized as a pathogen in 1997, and many questions regarding its biology and pathogenesis remain unanswered. Currently, some studies have shown the production of new vaccine candidates and field efficacy testing of commercial vaccines. This review discusses some major points concerned with immunopathogenesis and vaccines for PCV2 infection.
RACIONALIDADE E IRRACIONALIDADE NAS ORGANIZA ES: AS CONTRIBUI ES DA ADMINISTRA O E DA PSICANáLISE
Carlos Roberto Alcantara de Resende,Luiz Cláudio Vieira de Oliveira,Mário Teixeira Reis Neto
Revista PRETEXTO , 2008,
Abstract: As organiza es gerenciam o desempenho dos seus trabalhadores definindo metas e utilizando modernas ferramentas de planejamento, monitoramento e controle, como um esfor o para obter vantagens competitivas e sustentáveis. Para a efetividade desse sistema de administra o, a ciência aplicada tem se dedicado à produ o de instrumentos capazes de adequar individualmente as responsabilidades e os resultados pretendidos e assegurar os resultados. Ocorre que o ambiente corporativo é determinado por contingências de difícil identifica o, previsibilidade e gerenciamento. Esse esfor o pode ocorrer em contraposi o à resistência inconsciente dos indivíduos para atuar com a racionalidade esperada. A teoria freudiana (psicanálise) aparece como alternativa para a compreens o dos processos mentais de gênese inconsciente, que escapam à raz o e à vontade. As conclus es levaram em conta a rela o estreita, dialética, conflitiva e indissociável, entre o indivíduo e a organiza o.
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