789 resultados para Universidade Federal de Mato Grosso


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O presente artigo pretende evidenciar o papel do Instituto Histórico e Geográfico de Mato Grosso (IHGMT) e sua atuação na reconstituição do passado de Mato Grosso, com o fim de verificar sua inserção no projeto de construção da identidade nacional e da nação, entre 1919 e 1969. Considera-se esses anos como marco temporal, entre a fundação do Instituto e a publicação da obra de Virgílio Correa Filho, História de Mato Grosso. O objetivo é dar visibilidade às práticas discursivas que tornaram possíveis as operações historiográficas, que ao reorganizar o passado silencia as diferenças redistribuindo os corpos, destituídos de seus tumultos, em um não-lugar, por uma escrita que faz falar calando.

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A introdução de negros submetidos ao cativeiro na Capitania de Mato Grosso decorreu da descoberta das minas de Cuiabá. A crise da mineração deslocou os capitais utilizados na mineração para outros setores, ou seja, Mato Grosso passava, no começo do século XIX, por uma fase de transição da economia mineradora para a agropastoril. Nesse período, uma onda povoadora oriunda de Minas Gerais e São Paulo, alcançou o núcleo de Sant’Ana do Paranaíba e dali se expandiu para grande parte do sudeste do antigo Mato Grosso, valendo-se amplamente do braço escravizado para suas incursões, apossamentos e desenvolvimento econômico. Este texto busca compreender as relações escravistas em Sant’Ana de Paranaíba, bem como o papel do escravo naquela sociedade.

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Pós-graduação em Geografia - FCT

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Patógenos transmitidos por carrapatos atingem uma variedade de hospedeiros vertebrados. Para identificar os agentes patogênicos transmitidos por carrapatos entre cães soropositivos para Leishmania infantum no município Campo Grande-MS, foi realizado um estudo sorológico e molecular para a detecção de Ehrlichia canis, Anaplasma platys e Babesia vogeli em 60 amostras de soro e baço, respectivamente. Adicionalmente, foi realizado o diagnóstico confirmatório de L. infantum por meio de técnicas sorológicas e moleculares. Também foi realizado o alinhamento e análise filogenética das sequências para indicar a identidade das espécies de parasitas que infectam esses animais. Anticorpos IgG anti-Ehrlichia spp., anti-B. vogeli e anti-L. infantum foram detectados em 39 (65%), 49 (81,6%) e 60 (100%) dos cães amostrados, respectivamente. Vinte e sete (45%), cinquenta e quatro (90%), cinquenta e três (88,3%), dois (3,3%) e um (1,6%) cães mostraram-se positivos na PCR para E. canis, Leishmania spp., Leishmania donovani complex, Babesia sp. e Anaplasma sp., respectivamente. Após o seqüenciamento, os amplicons mostraram 99% de similaridade com isolados de E. canis, B. vogeli e A. platys e Leishmania chagasi. Os resultados deste estudo indicaram que os cães soropositivos para L. infantum de Campo Grande, MS, são expostos a vários agentes transmitidos por carrapatos, e, portanto, devem ser incluídos no diagnóstico diferencial em cães com suspeita clínica de leishmaniose.

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The aim of this research was to analyze the composition and structure of the plant community in four phytophysiognomies at Pantanal Poconé-Mato Grosso, assuming that each sample group is a type of community, and there would be a corresponding group of species that characterize that community. We set up five plots of 50 × 50 m and subdivided each one into subplots of 10 × 10 m. In each subplot, individuals with CAP (circunference at breast height) > 10 cm were sampled. To check the structural and floristic similarity of the five vegetation types the unweighted averages grouping method was used - UPGMA, with Jaccard's coefficient and Bray-Curtis, respectively. DCA ordination of plots was used for inundation gradient analysis and TWINSPAN indicator species groups for the three strata. In the four areas 55 species belonging to 30 families were sampled. The UPMGA indicated floristic and structural differences between cambarazal, savanna types and campo de murundu and similarity between the semideciduous formations. The DCA separated the vegetation types according to the level of flooding and TWINSPAN indicated the existence of typical species for each vegetation type. In the Pantanal, some species may be restricted to certain types of vegetation, and these species can be used as indicators of the effect of flooding and possible changes in flood pulse dynamics in plant communities.

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The objective of this work was to study the floristic composition and structure of the Cerrado (Brazilian savannah), focusing on the tree and shrub strata. A total of 30 plots (10x10m) were set up, distributed in 10 contiguous blocks where individuals with a minimum PBH of 10 cm were sampled. A total of 1,107 individuals were sampled. Such individuals belonged to 33 families and 88 species, showing high values of richness. Total basal area and total density were respectively 6,651m² and 3690 individuals per hectare. The values of diversity (3.868 nats/individual) and evenness (0.86) show high heterogeneity and low ecological dominance. The most important species were Qualea grandiflora Mart., Lafoensia pacari St. Hil., Magonia pubescens St. Hil. and Qualea parviflora Mart., which together represented 57.7% of VI.

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Pós-graduação em Engenharia Civil - FEIS

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Pós-graduação em Estudos Linguísticos - IBILCE

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Background: Fumonisins produced by Fusarium verticillioides are among the most important medical mycotoxins known. The intake of concentrate based on corn and corn by-products contaminated with fumonisins can cause severe poisoning in horses. The injuries are observed mainly in the white matter of the brain, and the disease is known as Equine Leukoencephalomalacia (ELEM). This study aims to describe and discuss the epidemiological, clinical and diagnostic aspects of an outbreak of ELEM occurred in three farms in the municipalities of Canarana and Agua Boa, in the eastern region of Mato Grosso, Brazil.Materials, Methods & Results: The outbreak occurred between May and August 2010. The disease affected six horses and four mules of different ages and sex. Clinical examination was only possible in animals with chronic evolution of the disease. All the affected animals showed neurological clinical signs such as ataxia and recumbency, which progressed to death or sudden death. Histopathological analysis showed foci of necrosis that predominantly affected the white matter, and the presence of gitter cells. Degenerative lesions were observed in the liver of the animals. Mortality rate ranged from 12.5 to 71%, and lethality reached 100%. The cases were preceded by sudden drops in the weather temperature. Fumonisins levels of 6.6 ppm were detected in the feed of the animals.Discussion: The presumptive diagnosis of leukoencephalomalacia was consistent and based on clinical and epidemiological studies. However, the definitive diagnosis was based upon the histological features of the brain including the presence of extensive areas of malacia. Moreover, the animals were being fed with corn or corn by-products contaminated with fumonisins levels considered to be toxic to equids. The mortality and lethality rates are in agreement with outbreaks described in previous studies. The animals showed neurological signs as the predominant clinical manifestation, with gait ataxia followed by recumbency, prostration and death between 24 h and 29 days. Similarly to other reports, the disease was more frequent in adult animals, which succumbed in 24-48 h. Conversely, the evolution of the disease in young animals was of 10 to 29 days. Sudden death was more prevalent in the mules. Previous studies have shown a predominance of cerebral and brainstem lesions in horses, whereas in mules the clinical signs are related to brainstem lesions. Corn and corn by-products are commonly used as energy supplementation to horses in the southern of Mato Grosso state, but outbreaks of the disease are uncommon. This may be influenced by the prevalence of hot climate conditions, which does not favor the production of toxin by the fungus. The atypical low weather temperatures (9-11 degrees C) observed prior to the outbreak could have contributed to the mycotoxin production by F. verticillioides, which requires temperatures between 8-12 degrees C to produce toxins. However, the disease in the region may be underestimated, considering that the practice of necropsies is not common among field technicians, mainly in the occurrence of sporadic deaths among horses intended for work. Preventive measures include avoiding the use of corn and corn by-products for horses after periods of sudden drops in temperature in the region. Furthermore, clinical and epidemiological surveys and post-mortem and histopathological analyses are undoubtedly important for appropriate differential diagnosis, especially in equids with neurological signs.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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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)

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Due to the process of educational inclusion, it is necessary for the teacher who works with disabled students to acknowledge and master the resources of assistive technology equipment available in Brazil. The objective was to identify the presence of these resources at school and evaluate, having the teacher as the evaluator, the conditions of dealing with the Assistive Technology resources and equipment. The sample consisted of 14 teachers who work in the Resources Multifunction Classroom and 18 regular classroom teachers who have disabled students enrolled in their classrooms. Data collection was performed through the TAE Questionnaire - Assistive Technology for Education. The data collection was performance in groups during the training course sponsored by the Education Department of Rondonópolis as part of the Program of Continuing Education Training for Managers and Educators - Inclusive Education: The Right to Diversity. The questionnaire data indicated differences between the two groups mentioned. The teachers of the Resource Classes indicated that Assistive Technology resources are now being introducing at schools and that over 50% of this group understand the resources presented on the questionnaire. Most of the regular classroom teachers is still unaware of the Assistive Technology resources and equipment. Regarding the dealing of these resources the group of teachers from the multifunctional classroom is better prepared to use this technology. The data suggest the need for investment in acquisition and training of teachers in relation to Assistive Technology resources.