201 research outputs found
UV-B Radiation as a Factor that Deserves Further Research in Bolivian Viticulture: A Review
Bolivian viticulture has acquired an incipient notoriety in the international wine market due to theproduction of high-altitude wines with a high antioxidant potential. Andes agricultural regions presentan advantage for wine production since UV-B radiation reaching the earth’s surface increases withaltitude and varies with latitude, promoting the activation of plant defense mechanisms responsible forthe synthesis of secondary metabolites. UV‐B radiation upregulates the biosynthesis of nitrogen, phenolicand volatile compounds that contribute to wine flavour. It is thought that the incident UV-B radiationin the Bolivian valleys makes it possible to obtain wines with high phenolic and aromatic potential, butthe published results are not entirely conclusive. This manuscript addressed the geological and climaticfeatures that affect Bolivian viticulture, and we reviewed the field studies carried out regarding the effectsof altitude and UV-B radiation on flavour components of grapes and wines from Bolivian viticulturalvalleys. A high antioxidant capacity and trans-resveratrol content is found in grapes and wines from highaltitude Bolivian vineyards, including if they are compared to those samples from different wine countries.However, high UV-B radiation can result in bunch sunburn affecting some physico-chemical parameters ofthe produced wines. Scarce number of studies have been developed in this field despite this region presenta valuable potential for research in order to quantify the effects of biologically damaging radiation on thesynthesis of flavour components in grapes and some of them were not well scientifically controlled
Parameterization, Analysis, and Risk Management in a Comprehensive Management System with Emphasis on Energy and Performance (ISO 50001: 2018)
[EN] The future of business development relies on the effective management of risks, opportunities, and energy and water resources. Here, we evaluate the application of best practices to identify, analyze, address, monitor, and control risks and opportunities (R/O) according to ISO 31000 and 50000. Furthermore, we shed light on tools, templates, ISO guides, and international documents that contribute to classifying, identifying, formulating control, and managing R/O parameterization in a comprehensive management system model, namely CMS QHSE3+, which consists of quality (Q), health and safety (HS), environmental management (E), energy efficiency (E2), and other risk components (+) that include comprehensive biosecurity and biosafety. By focusing on the deployment of R/O-based thinking (ROBT) at strategic and operational levels, we show vulnerability reduction in CMS QHSE3+ by managing energy, efficiency, and sustainability.We express our gratitude for the support from Cajacopi Atlantico, QUARA Technology, ASTEQ Technology, Universidad Simon Bolivar, Universitat Politecnica de Valencia and to all the personnel and companies who offered us their contributions and their valuable points of view.Poveda-Orjuela, PP.; García-Díaz, JC.; Pulido-Rojano, A.; Cañón-Zabala, G. (2020). Parameterization, Analysis, and Risk Management in a Comprehensive Management System with Emphasis on Energy and Performance (ISO 50001: 2018). Energies. 13(21):1-44. https://doi.org/10.3390/en13215579S1441321SDBS Business Demography Indicatorshttps://stats.oecd.org/index.aspx?queryid=70734The World Economy on a Tightrope. 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Expérience de sélection sur la croissance du tissu maigre chez le porc, avec des pères répétés: évolution génétique des caractères soumis à la sélection
International audienc
Expérience de sélection sur la croissance du tissu maigre chez le porc, avec des pères répétés : évolution génétique des caractères soumis à la sélection
Alpha-taxonomy in the cricetid rodent Neomicroxus, a first assessment
Neomicroxus, a recently named genus, comprises small-bodied cricetid rodents patchily distributed in high-Andean ranges from Ecuador to Venezuela. Currently, two species of Neomicroxus are recognized, N. bogotensis, endemic to the Cordillera Oriental in Colombia and Cordillera de Mérida and Páramo de Tamá in Venezuela, and N. latebricola that occurs northern Andes of Ecuador. The genus is among the most poorly understood Neotropical rodents and to date no formal assessment about its alpha taxonomy was conducted. Based on DNA evidence of the first portion of the mitochondrial cytochrome b gene (cytb) and the first exon of the interphotoreceptor retinoid binding protein (IRBP), as well as craniodental measurements,we explored the divergence degree, genetic structure and phyletic relationships of the two species currently allocated under Neomicroxus. Our analyses support the monophyly of the genus as well as its uncertain tribal affiliation. Neomicroxus was retrieved as structured in two main branches, in agreement with the traditional recognition of two species. The populations referred to N. bogotensis exhibit deep divergence values (> 6 %) pointing to the existence of undescribed species under its concept. In contrast, populations of N. latebricola show a shallow genetic structure although implying recognizable geographical breaks. A moderate degree of genetic and morphological differentiation supports a new subspecies for the western populations of N. latebricola. Our contribution is the first attempt to better understanding the alpha taxonomy of Neomicroxus, highlighting the importance of the geographic complexity as a barrier to the genetic flow in N. bogotensis and the significance of the subspecies concept to formalize the geographic variation recovered in N. latebricola.Neomicroxus, un género recientemente nominado, agrupa roedores cricétidos de pequeño tamaño distribuidos en zonas altas de los Andes, desde Ecuador hasta Venezuela. Actualmente, se reconocen dos especies, N. bogotensis endémica de la Cordillera Oriental de Colombia, Cordillera de Mérida y Páramo de Tamá en Venezuela, y N. latebricola, que ocupa el norte de los Andes en Ecuador. Este género se encuentra entre los roedores neotropicales menos conocidos y, hasta la fecha, no se ha realizado ninguna evaluación formal sobre su taxonomía alfa. Basados en secuencias de ADN de la primera porción del gen mitocondrial del citocromo b (cytb) y el primer exón de la proteína de unión del interfotoreceptor del retinoide (IRBP) e información métrica cráneo-dentaria, exploramos el grado de divergencia, estructura genética y relaciones filogenéticas de las dos especies actualmente asignadas bajo Neomicroxus. Nuestros análisis apoyan la monofilia del género como así también su afiliación tribal incierta. Se recuperaron dos clados principales en concordancia con las especies reconocidas dentro del género. Las poblaciones referidas a N. bogotensis muestran valores de divergencia profunda (> 6 %) que sugieren la existencia de una especie no descrita. En contraste, las poblaciones de N. latebricola muestran una estructura genética somera pero que implica quiebres geográficos reconocibles. La diferenciación genética y morfológica moderada apoyan la existencia de una nueva subespecie para las poblaciones occidentales de N. latebricola. Nuestra contribución es el primer intento de comprender la taxonomía alfa de Neomicroxus, destacando la importancia de la complejidad geográfica como barrera para el flujo genético en N. bogotensis y la importancia del concepto de subespecie para formalizar la variación geográfica observada en N. latebricola.Fil: Cañón Valenzuela, Carola Patricia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto de Diversidad y Evolución Austral; ArgentinaFil: Curay, Jenny. Instituto Nacional de Biodiversidad; EcuadorFil: Brito, Jorge. Instituto Nacional de Biodiversidad; EcuadorFil: Colmenares-Pinzón, Javier E.. Universidad Industrial Santander; ColombiaFil: Pardiñas, Ulises Francisco J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto de Diversidad y Evolución Austral; Argentina. Instituto Nacional de Biodiversidad; Ecuado
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