Results 11 to 20 of about 143,235 (271)

Las nuevas ciencias de la vida [PDF]

Polis (Santiago), 2010
Siguiendo parcialmente el pensamiento de Hugo Assmann, quien plantea las preguntas basales de como educar y como aprender, se postula que se aprende durante toda la vida y mediante todas las formas de vida, coincidiendo ello con la facultad de los seres vivos de la autoorganizacion.
exaly   +3 more sources

Crítica de la causalidad mecanicista en las ciencias de la vida [PDF]

Boletín Médico Del Hospital Infantil De México, 2019
El empirismo reduccionista (ER) subyacente al habitus cientifico actual, al imponer la causalidad mecanicista (CM) como principio explicativo de las ciencias de la vida, ha oscurecido la comprension del proceso vital al equipararlo al de una maquina. Se analizan las formas diversas que toman las ideas en el conocimiento como paradigmas (antropocentrico
Leonardo Viniegra-Velázquez
exaly   +2 more sources

Aggregatibacter actinomycetemcomitans virulence factors and systemic inflammation: linking periodontitis to rheumatoid arthritis [PDF]

Journal of Oral Microbiology
Growing evidence supports an association between oral microbiota, periodontitis (PD) and systemic diseases. Periodontal pathobionts can trigger immune responses that extend beyond the oral mucosa, promoting inflammatory and autoimmune conditions. In this
Emilio Seguel-Fuentes, Bárbara Quidel, Bastián García-Pissani, Tamara Duarte-Muñoz, Denisse Bravo, Mauricio Bittner, Katina Schinnerling   +6 more
doaj   +2 more sources

De novo Assembly and Analysis of Tissue-Specific Transcriptomes of the Edible Red Sea Urchin Loxechinus albus Using RNA-Seq

Biology, 2021
Edible red sea urchin (Loxechinus albus) is an endemic echinoderm species of the Chilean coasts. The worldwide demand for high-quality gonads of this species has addressed the depletion of its natural populations.
Paulette Antiqueo, Rodrigo Zuloaga, Macarena Bastias-Molina, Claudio Meneses, Juan Manuel Estrada, Alfredo Molina, Juan Antonio Valdés   +6 more
doaj   +1 more source

Genetic regulation of the ompX porin of Salmonella Typhimurium in response to hydrogen peroxide stress

Biological Research, 2022
Background Salmonella Typhimurium is a Gram-negative pathogen that causes a systemic disease in mice resembling typhoid fever. During its infective cycle, S.
A. C. Briones, D. Lorca, A. Cofre, C. E. Cabezas, G. I. Krüger, C. Pardo-Esté, M. S. Baquedano, C. R. Salinas, M. Espinoza, J. Castro-Severyn, F. Remonsellez, A. A. Hidalgo, E. H. Morales, C. P. Saavedra   +13 more
doaj   +1 more source

Comparative Analysis of In-House RT-qPCR Detection of SARS-CoV-2 for Resource-Constrained Settings

Diagnostics, 2022
We developed and standardized an efficient and cost-effective in-house RT-PCR method to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Yesit Bello-Lemus, Marco Anaya-Romero, Janni Gómez-Montoya, Moisés Árquez, Henry J. González-Torres, Elkin Navarro-Quiroz, Leonardo Pacheco-Londoño, Lisandro Pacheco-Lugo, Antonio J. Acosta-Hoyos   +8 more
doaj   +1 more source

The Small RNA RyhB Homologs from Salmonella Typhimurium Restrain the Intracellular Growth and Modulate the SPI-1 Gene Expression within RAW264.7 Macrophages

Microorganisms, 2021
Growing evidence indicates that small noncoding RNAs (sRNAs) play important regulatory roles during bacterial infection. In Salmonella Typhimurium, several sRNAs are strongly up-regulated within macrophages, but little is known about their role during ...
Diego Peñaloza, Lillian G. Acuña, M. José Barros, Paula Núñez, Fernanda Montt, Fernando Gil, Juan A. Fuentes, Iván L. Calderón   +7 more
doaj   +1 more source

Herbicidal effects of wood vinegar on nitrophilous plant communities

Food and Energy Security, 2020
In Europe, and many parts of the world, the number and variety of animal species on farmland is in marked decline. There is a need to search for alternatives that are safe for the environmental and are effective in controlling weeds.
Juan Luis Aguirre, Juan Baena, María Teresa Martín, Sergio González, José Luis Manjón, Manuel Peinado   +5 more
doaj   +1 more source

Composition, Ageing and Herbicidal Properties of Wood Vinegar Obtained through Fast Biomass Pyrolysis

Energies, 2020
Lignocellulosic biomass pyrolysis could be an economically feasible option for forest management as it reduces the need to burn litter and helps in fire prevention thus avoiding the release of carbon dioxide and other greenhouse gases into the atmosphere.
Juan Luis Aguirre, Juan Baena, María Teresa Martín, Leonor Nozal, Sergio González, José Luis Manjón, Manuel Peinado   +6 more
doaj   +1 more source

Negative Consequences on the Growth, Morphometry, and Community Structure of the Kelp Macrocystis pyrifera (Phaeophyceae, Ochrophyta) by a Short Pollution Pulse of Heavy Metals and PAHs

Toxics, 2021
The study of pollution effects in the marine environment has become important in recent decades, and the exposure to simultaneous pollutants has become especially relevant.
Roddy Jara-Yáñez, Andrés Meynard, Gladys Acosta, Nicolás Latorre-Padilla, Carolina Oyarzo-Miranda, Francisco Castañeda, Florentina Piña, Jorge Rivas, Cristian Bulboa, Loretto Contreras-Porcia   +9 more
doaj   +1 more source