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La nueva enfermedad del coronavirus humano COVID-19 se ha convertido en la quinta pandemia documentada desde la pandemia de gripe de 1918 (Liu Y-C et al., 2020). También, ha sido la mayor interrupción en el movimiento de personas desde la Segunda…

El Sahel ha experimentado graves condiciones de sequía desde la década de 1970, mientras que en África Occidental las sequías extremas se han producido con mayor frecuencia en los últimos años. La sequía es el peligro más relevante en Cabo Verde en…

The cotranslational folding is recognized as a very cooperative process that occurs after the nearly completion of the polypeptide sequence of a domain. Here we investigated the challenges faced by polypeptide segments of a non-vectorial β-barrel…

Lately, myriad of novel viruses have emerged causing epidemics such as SARS, MERS, and SARS-CoV-2, leading to high mortality rates worldwide. Thus, these viruses represented a challenging threat to mankind, especially considering the miniscule data…

Porcine delta coronavirus (PDCoV) is a novel emerging enterocytetropic virus causing diarrhea, vomiting, dehydration, and mortality in suckling piglets. Long non-coding RNAs (lncRNAs) are known to be important regulators during virus infection. Here,…

Sensitivity and specificity of serological assays are key parameters for the accurate estimation of SARS-CoV-2 sero-prevalence. The aim of this study was to compare 8 readily available IgG antibody tests using a panel of well-defined serum samples of…

SARS-CoV-2 has become a major global concern as of December 2019, particularly affecting healthcare workers. As person-to-person transmission is airborne, crowded closed spaces have high potential for rapid virus spread, especially early in the…

Resumo Este artigo analisa cinco feiras livres que abastecem uma parte substancial da população urbana do Alto Jequitinhonha na contramão do sistema agroalimentar dominante. Usando dados de fontes primárias e secundárias, são analisadas as relações…

Resumo O objetivo é avaliar o estágio de conformidade das universidades federais brasileiras ao requisito da aquisição de produtos da agricultura familiar nos termos do Decreto nº 7.775/2012, delimitando alcances e dilemas para retroalimentar o…

Objective: To evaluate the difficulties in the process of buying/selling organic products from family farming for school meals in 21 municipalities in southern Brazil and to take actions to overcome them. Methods: This is a qualitative and…