33 resultados para Goiás (Estado)
em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em História - FCHS
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em História - FCHS
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As anemias hereditárias, em especial as talassemias e hemoglobinas (Hb) variantes, são as mais comuns das alterações genéticas humanas; sua freqüência na população brasileira é muito variável, dependendo dos grupos raciais formadores de cada região. O povoamento de Goiás, que teve início logo após o seu descobrimento, em 1726, motivado pela procura de ouro, foi composto principalmente por portugueses e escravos africanos, contexto que favoreceu a mestiçagem entre eles. Considerando que esses povos apresentam genes para as hemoglobinas anormais com freqüências variadas, é esperado que se encontrem essas alterações genéticas na nossa população. O objetivo deste trabalho foi avaliar a prevalência de talassemias e hemoglobinas variantes na população de Goiás. Para isso a casuística foi composta por 404 alunos participantes dos diversos cursos da Universidade Católica de Goiás (UCG), oriundos de 55 cidades do estado de Goiás. A prevalência de anemia hereditária por talassemias e hemoglobinas variantes em Goiás foi de 10,1%, cuja ordem decrescente foi a seguinte: talassemia alfa heterozigótica (5,2%), heterozigose para hemoglobina S (Hb AS) (2,2%), heterozigose para hemoglobina C (Hb AC) (1%), talassemia beta menor (0,7%), associação entre talassemia alfa e heterozigose para Hb S (0,5%), associação entre talassemia alfa e heterozigose para Hb C (0,3%) e heterozigose para hemoglobina D (Hb AD) (0,3%). Nenhum caso de homozigose foi encontrado no presente estudo. Este trabalho demonstrou a dispersão dos genes para Hb S, Hb C e Hb D, bem como de talassemias alfa e beta em uma população do estado de Goiás. Por essa razão, concluímos que é importante realizar programas com maior abrangência da população para estudo da epidemiologia das talassemias e hemoglobinas variantes no estado de Goiás.
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Granitic to trondhjemitic gneisses from the Pontalina region in the southern part of Goiás State, Central Brazil, have calcic to calc-alkaline, metaluminous to peraluminous compositions. They have low concentrations of alkaline elements, and are enriched in Ba, Sr, K, Rb in relation to Nb, Y, Zr and REE, and have negative anomalies of Nb and Ti, features which are similar to those of magmas generated in magmatic arc environments. Those rocks were previously interpreted as part of the basement of the Brasília Belt, attributed to the Archean to Paleoproterozoic, but new Sm - Nd isotopic data indicate a neoproterozoic age (TDM = 0,9 a 1,2 Ga), and the preliminary geochemical data reveal compositions similar to the gneisses of the other regions belonging to the Goiás Magmatic Arc.
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The common beans (Phaseolus vulgaris L.) is a fabacea sufficiently spread out in all domestic territory. However, the quality of its seeds represents one of the main causes of low productivity in the beans farmings in Brazil. The objective of this work was to evaluate physiological and sanitary seed qualities of eleven bean cultivars. The physiological seed quality was evaluated trough standard germination and vigor tests. The sanitary seed quality was evaluated through two tests: blotter test was employed to evaluate fungi incidence and Koch & Menten method was employed to observe Sclerotinia sclerotiorum (Lib) de Bary occurrence. Xamego, BRS Valente, Bambu and Pérola had the best results of physiological tests. Jalo Precoce, Roxo 90, Corrente and Aporé had no good results of vigor and germination, besides presenting the lowest indices of died seeds. Fusarium sp., Aspergillus spp., Penicillium sp., Phoma sp., Rhizopus sp. and Botrytis sp. were the fungi detected in the sanity tests.
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In the Morrinhos region, Goiás state, Brazil, the rocks of the Araxá Group have mineral assemblages related to the metamorphic peak which occurred in this region and is typical of the amphibolite facies (kyanite zone). These rocks are associated with the initial stage of the main ductile deformation that occurred in this area. Thermobarometric calculations, including the associations, garnet + plagioclase + biotite + muscovite; garnet + plagioclase +biotite + muscovite + kyanite; garnet + plagioclase + biotite + muscovite + amphibole, with quartz in excess, indicate that the metamorphic peak occurred at temperatures of approximately 610°C and pressures in the order of 10 kbar. The P-T path is probably clockwise and is in agreement with the tectonic conditions observed in collisional settings.
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The bronze bug Thaumastocoris peregrinus Carpintero & Dellapé (Hemiptera: Thaumastocoridae) was found in Goiás state attacking Eucalyptus camaldulensis Dehnh. e E. urophylla S. T. Blake. The insect was detected in the cities of São Luiz do Norte, São Francisco de Goiás and Goiânia.
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In the S - SW region of Goiás State, Brazil, the Araxá Group is constituted of a metasedimentary sequence containing schistose and gneissic (garnet-biotite-quartz schists, feldspatic garnet-biotite-quartz schists, garnet-biotite-quartz paragneisses, with muscovite and locally amphibole, epidote, kyanite and staurolite. This sequence presents intercalations of metaul-tramafc rocks (serpentinite, actinolite schist, talc schist, chlorite schist), metamafc ones (amphibolite, amphibole schist containing or not garnet, garnet amphibolite) and associated granitic bodies. Chemically, the Araxá Group metasediments present peraluminous composition, showing enrichment in LILE, when compared with HFSE and REE, and displaying negative anomalies of Nb, Ta, Sr, P and Ti. Their chemical composition is that of greywake and the chemical characteristics of the sediments are generated in magmatic arcs. Isotopic data for Sm/Nd - model ages (TDM) between 1,04 - 1,51 and 1,76 - 2,26 Ga - and U/Pb (predominance of zircon with ages < 900 Ma) suggest that these metasediments have Neoproterozoic rocks as the source rocks. Chemical and isotopic characteristics of the studied metasediments suggest that their source are rocks originated in magmatic arcs and that they were deposited in a fore arc basin developed in the margins of Neoproterozoic island arcs.
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Pós-graduação em Educação Escolar - FCLAR
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)