Evolución de la familia Agavaceae: filogenia, biología reproductiva y genética de poblaciones
The Agavaceae family comprises eight genera with contrasting reproductive biologies, given that they can be iteroparous (if they can reproduce several times), or semelparous ( if each individual produces an inflorescence and then dies); they also display
Luis E. Eguiarte+2 more
semanticscholar +1 more source
Effect of environmental factors on the abundance variations of two native rodents in agricultural systems of Buenos Aires, Argentina [PDF]
Our aim was to assess the effect of environmental factors on short temporal abundance variations of the two most abundant native rodents of agricultural agroecosystems, Akodon azarae and Calomys laucha.
Busch, Maria+3 more
core +1 more source
A GENÉTICA NO CONTEXTO DE SALA DE AULA: DIFICULDADES E DESAFIOS EM UMA ESCOLA PÚBLICA DE FLORIANO-PI
A Genetica pode se tornar uma area motivadora, caso seja trabalhada de forma interativa em sala de aula. Por isso, o presente artigo teve como objetivo identificar as principais dificuldades enfrentadas pelos alunos da 3a serie do Ensino Medio da escola ...
Maurício dos Santos Araújo+3 more
semanticscholar +1 more source
Discrete typing units of Trypanosoma cruzi identified in rural dogs and cats in the humid Argentinean Chaco [PDF]
The discrete typing units (DTUs) of Trypanosoma cruzi that infect domestic dogs and cats have rarely been studied. With this purpose we conducted a cross-sectional xenodiagnostic survey of dog and cat populations residing in 2 infested rural villages in ...
Cardinal, Marta Victoria+5 more
core +1 more source
Ensinar Genética e Evolução por meio de jogos didáticos
A experiência desenvolvida e apresentada neste artigo descreve um curso de formação de professores que se deu no âmbito de uma colaboração internacional em educação científica/divulgação das ciências envolvendo pesquisadores de Portugal e do Brasil ...
R. Campos+2 more
semanticscholar +1 more source
El darwinismo y la cuestión del sentido
El problema del sentido de la existencia se contempla en estas páginas desde una perspectiva darwiniana. Se argumenta como factores tales como la depresión existencial, la preocupación acerca del sentido del ‘sentido’, el problema del mal, la muerte como
Carlos Castrodeza
doaj +1 more source
Family-specific degenerate primer design: a tool to design consensus degenerated oligonucleotides [PDF]
Designing degenerate PCR primers for templates of unknown nucleotide sequence may be a very difficult task. In this paper, we present a new method to design degenerate primers, implemented in family-specific degenerate primer design (FAS-DPD) computer ...
Borio, Cristina Silvia+5 more
core +3 more sources
Suicide gene therapy on spontaneous canine melanoma: correlations between in vivo tumors and their derived multicell spheroids in vitro [PDF]
To validate the use of multicellular spheroids to predict the efficacy of herpes simplex thymidine kinase/ganciclovir (HSVtk/GCV) suicide gene therapy in the respective in vivo tumors, we established and characterized 15 melanoma-derived cell lines from ...
Altamirano, Natalia Andrea+6 more
core +1 more source
Objetivou-se com o presente trabalho avaliar a divergencia genetica e as caracteristicas fisicas e quimicas de frutos de duas populacoes do maracujazeiro azedo na regiao Norte do Espirito Santo, como as progenies de meio-irmaos de acesso local de um ...
Kristhiano Chagas+4 more
semanticscholar +1 more source
Normal spatial learning and improved spatial working memory in mice (mus musculus) lacking dopamine d4 receptors [PDF]
Dopamine terminals in the hippocampus and prefrontal cortex modulate cognitive processes such as spatial learning and working memory. Because dopamine D4 receptors are expressed in these brain areas we have analyzed mutant mice lacking this receptor ...
Avale, Maria Elena+3 more
core +1 more source