90 research outputs found
Qualificação e quantifição de óleo fixo em sementes de Sacha inchi e seus produtos por RMN.
Este trabalho visa qualificar o teor de Ăłleo fixo extraĂdo de amĂȘndoas de Sacha inchi por RMN 1H de trĂȘs acessos (dois brasileiros e um peruano) nos meses de outubro e novembro de 2018, bem como quantificar, por RMN-DT, o teor lipĂdico nas amĂȘndoas e na ração de peixe produzida a partir dessa matriz
Abordagem psicossocial e saĂșde de mulheres negras: vulnerabilidades, direitos e resiliĂȘncia
Resumo Este artigo apresenta uma revisĂŁo crĂtica de teorias, tĂ©cnicas e prĂĄticas que visam a potencialização da saĂșde de mulheres negras com foco em concepçÔes sobre resiliĂȘncia. AlĂ©m da literatura acadĂȘmica, em especial da psicologia, o texto mobiliza diferentes fontes sobre relaçÔes raciais, inclusive a produção do movimento social. Mulheres negras estĂŁo expostas Ă privação de direitos humanos, Ă ineficiĂȘncia dos programas de governo na garantia do direito Ă educação e Ă saĂșde integral, entre outros. EstĂŁo tambĂ©m expostas Ă incidĂȘncia frequente do racismo e do sexismo, que se traduzem em prejuĂzos Ă sua saĂșde. A concepção processual de resiliĂȘncia adotada neste artigo, que resulta tanto da reflexĂŁo crĂtica sobre a literatura como de resultados de pesquisa apresentados, fortalece a adoção de uma perspectiva psicossocial, resultante da anĂĄlise das vulnerabilidades integrada ao quadro dos direitos humanos. Conclui-se pela produtividade de iniciativas que incluam a sabedoria prĂĄtica das mulheres negras e a valorização de experiĂȘncias coletivas e transgeracionais que as apoiam para superar os contextos de alta vulnerabilidade a que estĂŁo expostas, estimulando a potencialização de processos de resiliĂȘncia. Nessa perspectiva serĂĄ necessĂĄrio considerar nĂŁo apenas o acolhimento das mulheres negras, mas tambĂ©m suas experiĂȘncias e instĂąncias de pertencimento, suas trajetĂłrias, suas redes, comunidades e territĂłrios
Genome of the Avirulent Human-Infective TrypanosomeâTrypanosoma rangeli
Background: Trypanosoma rangeli is a hemoflagellate protozoan parasite infecting humans and other wild and domestic mammals across Central and South America. It does not cause human disease, but it can be mistaken for the etiologic agent of Chagas disease, Trypanosoma cruzi. We have sequenced the T. rangeli genome to provide new tools for elucidating the distinct and intriguing biology of this species and the key pathways related to interaction with its arthropod and mammalian hosts. Methodology/Principal Findings: The T. rangeli haploid genome is ,24 Mb in length, and is the smallest and least repetitive trypanosomatid genome sequenced thus far. This parasite genome has shorter subtelomeric sequences compared to those of T. cruzi and T. brucei; displays intraspecific karyotype variability and lacks minichromosomes. Of the predicted 7,613 protein coding sequences, functional annotations could be determined for 2,415, while 5,043 are hypothetical proteins, some with evidence of protein expression. 7,101 genes (93%) are shared with other trypanosomatids that infect humans. An ortholog of the dcl2 gene involved in the T. brucei RNAi pathway was found in T. rangeli, but the RNAi machinery is non-functional since the other genes in this pathway are pseudogenized. T. rangeli is highly susceptible to oxidative stress, a phenotype that may be explained by a smaller number of anti-oxidant defense enzymes and heatshock proteins. Conclusions/Significance: Phylogenetic comparison of nuclear and mitochondrial genes indicates that T. rangeli and T. cruzi are equidistant from T. brucei. In addition to revealing new aspects of trypanosome co-evolution within the vertebrate and invertebrate hosts, comparative genomic analysis with pathogenic trypanosomatids provides valuable new information that can be further explored with the aim of developing better diagnostic tools and/or therapeutic targets
Recommended from our members
Globalisation from Above? Corporate Social Responsibility, the Workers' Party and the Origins of the World Social Forum
In its assessment of the origins and early development of the World Social Forum this article challenges traditional understandings of the Forum as representing âglobalisation from belowâ. By tracing the intricate relations among elements of business, civil society, and the Workersâ Party in the first years of the Forum, this article reveals the major role played by a corporate movement stemming from the Brazilian democratisation process in the 1980s, and how this combined with the transformed agenda of the Workersâ Party as it gained higher political offices to constrain the Forumâs activities from the outset. In so doing, this article challenges not only widespread conceptions of the Forum as a counterâhegemonic alternative but also current critiques concerning its subsequent limitations. Furthermore, it reveals how traditional understandings of the World Social Forum and of global civil society are underpinned by flawed assumptions which typecast political activities in the global âSouthâ
- âŠ