844 resultados para Common vampire bat


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Afin de se perpétuer dans le temps, la tradition recourt à des figures qui la véhiculent. Cette étude prend pour objet la figure du vampire qui, en transmettant des aspects importants de la tradition culturelle, prend la forme d’une tradition en soi, se manifestant dans une série de récits et d’œuvres littéraires et culturelles. Ces figures possèdent le plus grand pouvoir de transmission puisqu’elles ne sont pas des traditions à la base, mais elles ne peuvent rester culturellement importantes seulement qu’en devenant des traditions. C’est-à-dire que la figure du vampire possède sa propre tradition littéraire et/ou filmique, tout en offrant une vision de la transmission, de la tradition et de l’éducation. Afin de demeurer présentes à travers le temps, les traditions doivent posséder un noyau principal, tout en restant assez malléables afin que des caractéristiques secondaires de celles-ci puissent changer et évoluer. Le vampire est une figure toute aussi malléable que les traditions, faisant donc d’elle l’emblème parfait du concept. De plus, cinq nœuds de tradition réapparaissent, à différents niveaux, dans la littérature vampirique. Le choix de la victime, la morsure vampirique et l’échange de sang transformatif – et le lien de ceux-ci à une vision perverse de la sexualité, le processus d’éducation, le désir d’appartenir à une famille ou à une communauté et le besoin de comprendre ses origines, illustrent tous le lien indéniable entre la figure du vampire et le concept de la tradition. Ce mémoire explore l’impact de la figure du vampire comme emblème de la tradition à travers le roman vampirique classique – le plus traditionnel – Dracula de Bram Stoker et à travers les trois premiers tomes des Vampire Chronicles d’Anne Rice, soit Interview with the Vampire, The Vampire Lestat et Queen of the Damned, ainsi que leurs adaptations cinématographiques.

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Mammalian reoviruses exhibit a large host range and infected cells are generally killed; however, most studies examined only a few cell types and host species, and are probably not representative of all possible interactions between virus and host cell. Many questions thus remain concerning the nature of cellular factors that affect viral replication and cell death. In the present work, it was observed that replication of the classical mammalian reovirus serotype 3 Dearing in a bat epithelial cell line, Tb1.Lu, does not result in cell lysis and is rapidly reduced to very low levels. Prior uncoating of virions by chymotrypsin treatment, to generate infectious subviral particles, increased the initial level of infection but without any significant effect on further viral replication or cell survival. Infected cells remain resistant to virus reinfection and secrete an antiviral factor, most likely interferon, that is protective against the unrelated encephalomyocarditis virus. Although, the transformed status of a cell is believed to promote reovirus replication and viral “oncolysis”, resistant Tb1.Lu cells exhibit a classical phenotype of transformed cells by forming colonies in semisolid soft agar medium. Further transduction of Tb.Lu cells with a constitutively-active Ras oncogene does not seem cell growth or reovirus effect on these cells. Infected Tb1.Lu cells can produce low-level of infectious virus for a long time without any apparent effect, although these cells are resistant to reinfection. The results suggest that Tb1.Lu cells can mount an unusual antiviral response. Specific properties of bat cells may thus be in part responsible for the ability of the animals to act as reservoirs for viruses in general and for novel reoviruses in particular. Their peculiar resistance to cell lysis also makes Tb1.Lu cells an attractive model to study the cellular and viral factors that determine the ability of reovirus to replicate and destroy infected cells.

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Very little is known about the tolerance of the pensoid prawns in Indian waters under varying environment conditions ,except for a note on the salinityon The growth of the juvenile papacus indicus by sreekumaran nair and krishnankutty there seems to be no work on this aspect besides the oxygen consumption of metsponecus dobsoni which is a major constituent of prawn fishery in this region has not been studied so far.T he present work comprises studies on the occurrence and abudance of penacid prawnsin two major estuaries in Kerala the kayamkulam lake and cochin backwaters the salinity and tempeture tolerance the effect of salinity on the growth of three comercially important prawns of kerala namely pensecus indicus, ,metaponaeus dobsoni, M monoceros and the respiratory metabolism of M. dobsoni.

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I have added support for predicate dispatching, a powerful generalization of other dispatching mechanisms, to the Common Lisp Object System (CLOS). To demonstrate its utility, I used predicate dispatching to enhance Weyl, a computer algebra system which doubles as a CLOS library. My result is Dispatching-Enhanced Weyl (DEW), a computer algebra system that I have demonstrated to be well suited for both users and programmers.

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This resource is now obsolete and has been replaced by http://www.edshare.soton.ac.uk/5920/ This PowerPoint is an animated step-by-step guide that shows tutors how to use zappers in a teaching session. It covers starting the PC, distributing the zappers, plugging in the receiver, starting the software, running the presentation and managing voting, saving data at the end and collecting the handsets. It takes around 5 minutes to view.

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Common craft make short videos which explain in simple terms some common concepts and technologies used in learning and teaching. These are available through The Common Craft Store, which offers versions of videos that are: Downloadable files Presentation-quality Licensed for workplace use You can find the free, online versions of the videos on The Common Craft Show. Topics include phishing, RSS, wikis, Twitter, social networking, social bookmarking, web search strategies, social media, podcasting, sharing photos online and many more.

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La Fibrosis Quística es la enfermedad autosómica recesiva mas frecuente en caucásicos. En Colombia no se conoce la incidencia de la enfermedad, pero investigaciones del grupo de la Universidad del Rosario indican que podría ser relativamente alta. Objetivo: Determinar la incidencia de afectados por Fibrosis Quística en una muestra de recién nacidos de la ciudad de Bogotá. Metodología: Se analizan 8.297 muestras de sangre de cordón umbilical y se comparan tres protocolos de tamizaje neonatal: TIR/TIR, TIR/DNA y TIR/DNA/TIR. Resultados: El presente trabajo muestra una incidencia de 1 en 8.297 afectados en la muestra analizada. Conclusiones: Dada la relativamente alta incidencia demostrada en Bogotá, se justifica la implementación de Tamizaje Neonatal para Fibrosis Quística en Colombia.

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This narrated slideshow provides a step-by-step guide to recording a lecture in a CLS room using Panopto.

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This 8 minute video provides a step-by-step guide for tutors wishing to use zappers (Turning Point) in a Common Learning Space with Windows 7 and Office 2010.

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This is a quick guide based on screenshots which shows you how get started with Turning Point 5 and Office 2013 in Common Learning Spaces.

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Autoimmune diseases (ADs) represent a diverse collection of diseases in terms of their demographic profile and primary clinical manifestations. The commonality between them however, is the damage to tissues and organs that arises from the response to self-antigens. The presence of shared pathophysiological mechanisms within ADs has stimulated searches for common genetic roots to these diseases. Two approaches have been undertaken to sustain the “common genetic origin” theory of ADs. Firstly, a clinical genetic analysis showed that autoimmunity aggregates within families of probands diagnosed with primary Sjögren's (pSS) syndrome or type 1 diabetes mellitus (T1D). A literature review supported the establishment of a familiar cluster of ADs depending upon the proband's disease phenotype. Secondly, in a same and well-defined population, a large genetic association study indicated that a number of polymorphic genes (i.e. HLA-DRB1, TNF and PTPN22) influence the susceptibility for acquiring different ADs. Likewise, association and linkage studies in different populations have revealed that several susceptibility loci overlap in ADs, and clinical studies have shown that frequent clustering of several ADs occurs. Thus, the genetic factors for ADs consist of two types: those which are common to many ADs (acting in epistatic pleitropy) and those that are specific to a given disorder. Their identification and functional characterization will allow us to predict their effect as well as to indicate potential new therapeutic interventions. Both autoimmunity family history and the co-occurrence of ADs in affected probands should be considered when performing genetic association and linkage studies.

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We study competition in two sided markets with common network externality rather than with the standard inter-group e¤ects. This type of externality occurs when both groups bene t, possibly with di¤erent intensities, from an increase in the size of one group and from a decrease in the size of the other. We explain why common externality is relevant for the health and education sectors. We focus on the symmetric equilibrium and show that when the externality itself satis es an homogeneity condition then platforms pro ts and price structure have some speci c properties. Our results reveal how the rents coming from network externalities are shifted by platforms from one side to other, according to the homogeneity degree. In the speci c but realistic case where the common network externality is homogeneous of degree zero, platform s pro t do not depend on the intensity of the (common) network externality. This is in sharp contrast to conventional results stating that the presence of network externalities in a two-sided market structure increases the intensity of competition when the externality is positive (and decreases it when the externality is negative). Prices are a¤ected but in such a way that platforms only transfer rents from consumers to providers.