918 resultados para Lima bean
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The effects of inclusion in the diet of different sources of soya bean meal (SBM) on growth performance, total tract apparent digestibility (TTAD) and apparent ileal digestibility (AID) of major dietary components and mucosal ileum morphology were studied in Iberian pigs weaned at 30 days of age. From 30 to 51 days of age (phase I), there was a control diet based on regular soya bean meal (R-SBM; 44% CP) of Argentina (ARG) origin and five extra diets in which a high-protein soya bean meal (HP-SBM; 49% CP) of the USA or ARG origin, either ground (990 ?m) or micronized (60 ?m), or a soya protein concentrate (SPC; 65% CP) substituted the R-SBM. From 51 to 61 days of age (phase II), all pigs were fed a common commercial diet in mash form.
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La presente tesis busca aquellos aspectos de la ciudad informal, espontánea o popular, que podrían enriquecer el estudio y las miradas sobre las ciudades contemporáneas y dar ideas sobre una nueva forma de planificación, más versátil, capaz de evolucionar en el tiempo, más habitable y más adaptada a este momento histórico, partiendo desde una mirada de la ciudad de Lima, hasta develar, mediante el análisis de la evolución de sus tejidos y unidades de vivienda, una nueva idea de ciudad. La ciudad progresiva, es el corolario de una lectura que hace referencia por un lado, al vínculo entre la casa y la ciudad, y por otro, a la evolución y cambio de Lima y sus asentamientos. ABSTRACT This thesis seeks those aspects of the informal, spontaneous or popular city, which could enrich the study and overviews on contemporary cities and provide insights into a new way of planning, more versatile and able to evolve over time, more livable and more adapted to this historic moment, starting from a viewpoint of the city of Lima, to reveal, by analyzing the evolution of their tissues and housing units, a new idea of the city. The progressive city, is the corollary of a reading that refers on the one hand, the link between the house and the city, and secondly, to the evolution and change of Lima and its settlements.
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La tesis se propone estudiar y analizar críticamente las viviendas progresivas del concurso internacional de arquitectura PREVI llevado a cabo en la ciudad de Lima en los años setenta y en el que participaron, entre otros, arquitectos como Atelier 5, Aldo Van Eyck, Candilis, Josic and Woods o José Luis Íñiguez de Ozono y Vázquez de Castro. Los casi cincuenta años transcurridos desde la construcción de las propuestas nos permiten realizar una crítica de los proyectos de construcción progresiva desde el punto de vista del crecimiento de las agrupaciones, las unidades de vivienda y las tecnologías empleadas o los mecanismos de gestión. Este estudio, a su vez, nos lleva a plantear la cuestión de la posible vigencia de este tipo de realizaciones en el Perú actual y en otros entornos latinoamericanos. ABSTRACT: The aim of this thesis is to study, analyse and evaluate critically the progressive housing projects of the international architectural competition PREVI that took place in Lima in the seventies. In this proposal were involved, among others, architects such as Atelier 5, Aldo Van Eyck, Candilis, Josic and Woods and José Luis Iñiguez de Ozoño and Vázquez de Castro. These proposals were built fifty years ago. It allows us to review these progressive projects from a new perspective and to evaluate them from the point of view of housing types and groups, innovative technologies or management strategies. In addition, this study leads us to think about the possibility of proposals like this in current Peru and other Latin American locations.
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Peer reviewed
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The cells of the endosperm of castor bean seeds (Ricinus communis) undergo programmed cell death during germination, after their oil and protein reserves have been mobilized. Nuclear DNA fragmentation first was observed at day 3 in the endosperm cells immediately adjacent to the cotyledons and progressed across to the outermost cell layers by day 5. We also detected the accumulation of small organelles known as ricinosomes, by using an antibody against a cysteine endoprotease. By the time the nuclear DNA was susceptible to heavy label by terminal deoxynucleotidyltransferase-mediated dUTP nick end labeling, the ricinosomes had released into the cytoplasm their content of cysteine endoprotease, which became activated because of the cleavage of its propeptide. The cysteine endoprotease is distinguished by a C-terminal KDEL sequence, although it is not retained in the lumen of the endoplasmic reticulum and is a marker for ricinosomes. Homologous proteases are found in the senescing tissues of other plants, including the petals of the daylily. Ricinosomes were identified in this tissue by electron microscopy and immunocytochemistry. It seems that ricinosomes are not unique to Ricinus and play an important role in the degradation of plant cell contents during programmed cell death.
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Abscisic acid (ABA), a cleavage product of carotenoids, is involved in stress responses in plants. A well known response of plants to water stress is accumulation of ABA, which is caused by de novo synthesis. The limiting step of ABA biosynthesis in plants is presumably the cleavage of 9-cis-epoxycarotenoids, the first committed step of ABA biosynthesis. This step generates the C15 intermediate xanthoxin and C25-apocarotenoids. A cDNA, PvNCED1, was cloned from wilted bean (Phaseolus vulgaris L.) leaves. The 2,398-bp full-length PvNCED1 has an ORF of 615 aa and encodes a 68-kDa protein. The PvNCED1 protein is imported into chloroplasts, where it is associated with the thylakoids. The recombinant protein PvNCED1 catalyzes the cleavage of 9-cis-violaxanthin and 9′-cis-neoxanthin, so that the enzyme is referred to as 9-cis-epoxycarotenoid dioxygenase. When detached bean leaves were water stressed, ABA accumulation was preceded by large increases in PvNCED1 mRNA and protein levels. Conversely, rehydration of stressed leaves caused a rapid decrease in PvNCED1 mRNA, protein, and ABA levels. In bean roots, a similar correlation among PvNCED1 mRNA, protein, and ABA levels was observed. However, the ABA content was much less than in leaves, presumably because of the much smaller carotenoid precursor pool in roots than in leaves. At 7°C, PvNCED1 mRNA and ABA were slowly induced by water stress, but, at 2°C, neither accumulated. The results provide evidence that drought-induced ABA biosynthesis is regulated by the 9-cis-epoxycarotenoid cleavage reaction and that this reaction takes place in the thylakoids, where the carotenoid substrate is located.
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