Results 61 to 70 of about 3,162,794 (289)

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

El impacto del comercio social en la expansión del mercado de productos de belleza online en la ciudad de Ambato

open access: yesRevista Metropolitana de Ciencias Aplicadas
Este estudio investiga el impacto del comercio social en la expansión del mercado de productos de belleza en línea en Ecuador, con un enfoque en la ciudad de Ambato.
Lorena Elizabeth Flores-Carrillo   +1 more
doaj   +1 more source

Constructs and evaluation strategies for intelligent speculative parallelism - armageddon revisited [PDF]

open access: yes, 1988
This report addresses speculative parallelism (the assignment of spare processing resources to tasks which are not known to be strictly required for the successful completion of a computation) at the user and application level.
Guzman, Adolfo, Hermenegildo, Manuel V.
core   +1 more source

RNA Phase Transitions in Repeat Expansion Disorders

open access: yesNature, 2017
Expansions of short nucleotide repeats produce several neurological and neuromuscular disorders including Huntington disease, muscular dystrophy, and amyotrophic lateral sclerosis.
Ankur Jain, R. Vale
semanticscholar   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

La afiliación sindical en la crisis Estructura, evolución y trayectorias

open access: yesSociología del Trabajo, 2016
La crisis económica y la desregulación del mercado de trabajo han transformado radicalmente el modelo de relaciones laborales, debilitado a sus actores e institucio-nes y generado un dramático incremento de la desigualdad social.
Pere Beneyto   +3 more
doaj   +2 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Expansión económica y conflicto mapuche. La Araucanía, 1900-1940 [PDF]

open access: yes, 2011
Este artículo examina la expansión económica que se produjo en la Araucanía durante la primera parte del siglo XX y el impacto que tuvo esta expansión en la sociedad mapuche.
Pinto Rodríguez, Jorge
core   +2 more sources

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

Demografía histórica de Anadenanthera colubrina var. cebil (Leguminosae) en Argentina.

open access: yesBoletín de la Sociedad Argentina de Botánica, 2016
Anadenanthera colubrina var. cebil es una especie nativa sudamericana que caracteriza a los Bosques Secos Estacionales Neotropicales, los cuales se presentan en parches disyuntos dispersos a lo largo del Neotrópico.
María Eugenia Barrandeguy   +3 more
doaj   +1 more source

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