Corynebacterium pseudotuberculosis is a pathogen of veterinary relevance diseases, being divided into two biovars: equi and ovis; causing ulcerative lymphangitis and caseous lymphadenitis, respectively. The isolation and sequencing of C. pseudotuberculosis biovar ovis strains in the Northern and Northeastern regions of Brazil exhibited the emergence of this pathogen, which causes economic losses to small ruminant producers, and condemnation of carcasses and skins of animals. Through the pan-genomic approach, it is possible to determine and analyze genes that are shared by all strains of a species—the core genome. However, many of these genes do not have any predicted function, being characterized as hypothetical proteins (HP). In this study, we considered 32 C. pseudotuberculosis biovar ovis genomes for the pan-genomic analysis, where were identified 172 HP present in a core genome composed by 1255 genes. We are able to functionally annotate 80 sequences previously characterized as HP through the identification of structural features as conserved domains and families. Furthermore, we analyzed the physicochemical properties, subcellular localization and molecular function. Additionally, through RNA-seq data, we investigated the differential gene expression of the annotated HP. Genes inserted in pathogenicity islands had their virulence potential evaluated. Also, we have analyzed the existence of functional associations for their products based on protein–protein interaction networks, and perform the structural prediction of three targets. Due to the integration of different strategies, this study can underlie deeper in vitro researches in the characterization of these HP and the search for new solutions for combat this pathogen.
RESUMO O estudo teve o objetivo de determinar o consumo per capita efetivo e coeficientes de consumo diário (K1) e horário (K2) de uma residência no bairro Vila Tropical (VT), localizada no município de Tucuruí-PA e não tarifada pelos serviços de abastecimento de água, por monitoramento realizado nos meses de março e agosto utilizando micromedição, relacionando a influência da sazonalidade no uso da água. Os resultados mostram que no período de menor precipitação, o volume total consumido foi de 47.201 litros, com consumo per capita efetivo de 393,34 l/hab.dia. No período chuvoso, o consumo correspondeu a 15.009 litros, com o consumo per capita efetivo 125,07 l/hab.dia. Para o mês de março K1 e K2 ficaram 2,08 e 1,63 e 1,57 e 2,22 para agosto, respectivamente. Todos os valores determinados na pesquisa sofreram forte influência de fatores como as variações climáticas, a não tarifação pelo uso da água e hábitos dos usuários. O método de avaliação dos consumos de água por micromedição mostrou-se uma importante ferramenta a ser utilizada na determinação de parâmetros de projetos, garantindo um bom planejamento, otimização e sustentabilidade na utilização dos recursos hídricos disponíveis.
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