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Biofuels production might represent a new opportunity to Brazilian small family farmers. This article explores this issue in a study about the Cooperativa Mista de Produção, Industrialização e Comercialização de Biocombustíveis do Brasil Ltda.…

Phytophthora nicotianae is the pathogen that causes root and crown rot disease in open field paprika pepper crops of Extremadura (central-western Spain). A field experiment was established during spring, a period compatible with the pepper crop cycle…

Coronaviruses are positive-strand RNA viruses that are important infectious agents of both animals and humans. A common feature among positive-strand RNA viruses is their assembly of replication-transcription complexes in association with cytoplasmic…

Las abejas de las orquídeas, propias de la región neotropical, parecen haber aparecido recientemente entre el piedemonte de la cordillera de los Andes y la Amazonía. Además éstas abejas de lengua larga y vuelos amplios llaman la atención por sus…

Species distribution modeling is presented as an analytical tool for biogeography and the study of climate change impact on biodiversity.  Key modeling concepts and applications are reviewed; the maximum entropy principle is described as well as its…

Rodríguez et al. (2009) described a new species of the Podonominae genus Parochlus Enderlein. Several aspects of the abovementioned contribution concerning ecological and biogeographical aspects are discussed. The new temperature range proposed by…

Scientific debate on whether or not the recent increase in reports of jellyfish outbreaks represents a true rise in their abundance has outlined a lack of reliable records of Cnidaria and Ctenophora. Here we describe different jellyfish data sets…

Aim. To design the maps of matched and mismatched potential hairpin structures in the genomes of human and animal coronaviruses. Methods. Bioinformatic analysis of coronaviruses nucleotide sequences, atomic force microscopy. Results.…

Purpose. Investigation of maize ae1 gene polymorphism by bioinformatic methods. Methods. Global and local alignment of the nucleotide and amino acid sequences, in silico translation and transcription, translates modeling, pri­mers design,…

Background: In 2020, the world has struggled to deal with coronavirus disease 2019 (COVID-19), which started in 2019 in China and has spread throughout the globe, affecting at least 31,175,835 humans globally and claiming 962,634 lives reported till…