Results 101 to 110 of about 270,461 (241)

Adaptive capabilities, pathdependence and institutional change: insights from an empirical work on rural producers organizations [PDF]

open access: yes, 2007
During the last twenty years, the evolution of public policies in Southern countries has been characterized by the implementation of liberalization processes, which can be analyzed through Douglass North's institutional change approach.
Bosc, Pierre-Marie   +1 more
core  

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

open access: yesFEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva   +5 more
wiley   +1 more source

La protección jurídica del consumidor del comercio electrónico: acercamiento a la situación en Colombia y el ámbito internacional [PDF]

open access: yes, 2019
Artículo de InvestigaciónEl consumidor en el ámbito del comercio electrónico, suele tener en ocasiones conflictos o controversias con el productor, como es el caso de productos defectuosos, incumplimientos contractuales en la entrega del producto o ...
Guio-Molano, Mayerly
core  

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Evaluación de la transición agroecológica de un establecimiento ganadero a base de pastizal de la cuenca del Salado, mediante indicadores

open access: yesRevista de la Facultad de Ciencias Agrarias, 2019
Son muy escasas las experiencias documentadas de manejos agroecológicos en sistemas extensivos de zonas templadas, en particular las que contemplen la utilización de pastizales naturales.
Emiliano Pérez   +2 more
doaj  

Canales y márgenes de comercialización de caprinos en Tejupilco y Amatepec, estado de México [PDF]

open access: yes, 2007
Con el objetivo de analizar los canales y márgenes de comercialización de la carne de caprino, se realizó una investigación en los municipios de Tejupilco y Amatepec, Estado de México durante 2004-2005.
BORQUEZ GASTELUM, JOSE LUIS   +13 more
core  

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

open access: yesFEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva   +10 more
wiley   +1 more source

Estrategias económicas de Pequeños Productores

open access: yesAgrotecnia, 2003
El trabajo se desarrolló en el Departamento 9 de Julio de la Provincia del Chaco, en la República Argentina; con la finalidad de identificar las estrategias económicas adoptadas por los pequeños productores y la caracterización de las variables intervinientes, planteando supuestos respecto a estrategias y dotación de recursos.
Hilda G. Paredes, Ornar Macarrein
openaire   +2 more sources

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

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