238 resultados para sexual politics - fiction

em Université de Lausanne, Switzerland


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AbstractThis article seeks to assess the importance of Angela Carter's little-known work as a translator of Perrault's tales in The Fairy Tales of Charles Perrault (1977) through an examination of her "Little Red Riding Hood". Carter is mostly famous today for The Bloody Chamber and Other Stories (1979), a collection of innovative and thought-provoking fairy-tale rewritings infused with feminist concerns, strategies and perspectives. Insofar as Carter was translating Perrault's tales while writing her own "stories about fairy stories", an analysis of her translations reveals them as part of an ongoing dialogue with the work of the French author. While Carter's translations consciously update and adapt the material for children whom she seeks to sensitize to gender issues, she does not so much challenge the sexual politics of her source as recognize the emancipatory potential of Perrault's contes as useful "fables of the politics of experience".RésuméCet article vise à rendre compte de l'activité méconnue de traductrice déployée par l'auteure anglaise Angela Carter conjointement à son oeuvre de fiction, et à en reconnaître l'importance dans sa trajectoire d'écrivain. Une analyse de « Little Red Riding Hood », publié dans The Fairy Tales of Charles Perrault (1977), permet d'éclairer la poétique particulière qu'elle développera dans le recueil qui l'a rendue célèbre, The Bloody Chamber and Other Stories (1979), des « histoires sur des contes de fées » qui reflètent la perspective et les stratégies féministes de l'auteure. Carter a mené de front ses traductions et réécritures, envisagées ici comme deux formes du dialogue très riche et complexe qu'elle engage à cette période avec l'oeuvre de Perrault, plutôt qu'une subversion de celui-ci. Ainsi, sa traduction modernise et simplifie le texte des contes pour de jeunes lecteurs qu'elle cherche à sensibiliser à des problématiques de genre, en leur révélant la portée émancipatrice des contes de Perrault qu'elle envisage comme « des fables utiles sur la politique de l'expérience » plutôt qu'en contestant la politique sexuelle de sa source.

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The 18th century "sexual revolution" can not simply be explained as a consequence of economic or institutional factors - industrialization, agricultural revolution, secularization or legal hindrances to marriages: the example of western Valais (Switzerland) shows that we have to deal with a complex configuration of factors The micro-historical approach reveals that in the 18th and 19th century sexuality - and above all illicit sexuality - was a highly subversive force which was considerably linked to political innovation and probably more generally to historical change. Non-marital sexuality was clearly tied to political dissent ant to innovative ways of behaviour, both among the social elites and the common people. This behaviour patterns influenced crucial evolutions in the social, cultural and economic history of the region.

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Background and Aims The males and females of many dioecious plant species differ from one another in important life-history traits, such as their size. If male and female reproductive functions draw on different resources, for example, one should expect males and females to display different allocation strategies as they grow. Importantly, these strategies may differ not only between the two sexes, but also between plants of different age and therefore size. Results are presented from an experiment that asks whether males and females of Mercurialis annua, an annual plant with indeterminate growth, differ over time in their allocation of two potentially limiting resources (carbon and nitrogen) to vegetative (below-and above-ground) and reproductive tissues.Methods Comparisons were made of the temporal patterns of biomass allocation to shoots, roots and reproduction and the nitrogen content in the leaves between the sexes of M. annua by harvesting plants of each sex after growth over different periods of time.Key Results and Conclusions Males and females differed in their temporal patterns of allocation. Males allocated more to reproduction than females at early stages, but this trend was reversed at later stages. Importantly, males allocated proportionally more of their biomass towards roots at later stages, but the roots of females were larger in absolute terms. The study points to the important role played by both the timing of resource deployment and the relative versus absolute sizes of the sinks and sources in sexual dimorphism of an annual plant.

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Environmental shifts and life-history changes may result in formerly adaptive traits becoming non-functional or maladaptive. In the absence of pleiotropy and other constraints, such traits may decay as a consequence of neutral mutation accumulation or selective processes, highlighting the importance of natural selection for adaptations. A suite of traits are expected to lose their adaptive function in asexual organisms derived from sexual ancestors, and the many independent transitions to asexuality allow for comparative studies of parallel trait maintenance versus decay. In addition, because certain traits, notably male-specific traits, are usually not exposed to selection under asexuality, their decay would have to occur as a consequence of drift. Selective processes could drive the decay of traits associated with costs, which may be the case for the majority of sexual traits expressed in females. We review the fate of male and female sexual traits in 93 animal lineages characterized by asexual reproduction, covering a broad taxon range including molluscs, arachnids, diplopods, crustaceans and eleven different hexapod orders. Many asexual lineages are still able occasionally to produce males. These asexually produced males are often largely or even fully functional, revealing that major developmental pathways can remain quiescent and functional over extended time periods. By contrast, for asexual females, there is a parallel and rapid decay of sexual traits, especially of traits related to mate attraction and location, as expected given the considerable costs often associated with the expression of these traits. The level of decay of female sexual traits, in addition to asexual females being unable to fertilize their eggs, would severely impede reversals to sexual reproduction, even in recently derived asexual lineages. More generally, the parallel maintenance versus decay of different trait types across diverse asexual lineages suggests that neutral traits display little or no decay even after extended periods under relaxed selection, while extensive decay for selected traits occurs extremely quickly. These patterns also highlight that adaptations can fix rapidly in natural populations of asexual organisms, in spite of their mode of reproduction.

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Les dysfonctions sexuelles représentent une préoccupation importante et parfois mésestimée dans la population masculine générale. L'éjaculation précoce et les dysfonctions érectiles faisant partie des dysfonctions sexuelles les plus fréquentes, nous avons choisi, dans le présent article, de nous concentrer sur ces deux aspects. Selon plusieurs études, la prévalence d'éjaculation précoce se situe entre 17 et 30%. Les associations décrites avec l'éjaculation précoce concernent le stress, la dépression et un jeune âge (<25 ans). La prévalence de dysfonction érectile, quant à elle, oscille entre 2 et plus de 80% dépendant principalement de l'âge. Beaucoup d'autres facteurs associés ont été décrits dans la littérature, tels que le diabète, les pathologies cardiovasculaires ou neurologiques, les médicaments, l'obésité ou l'inactivité physique. Tous ces facteurs étant plus fréquents au sein de populations vieillissantes, nous disposons de peu d'études concernant la dysfonction érectile chez de jeunes hommes. Notre étude propose donc d'évaluer la prévalence d'éjaculation précoce et de dysfonction érectile chez une population de jeunes hommes et d'étudier les associations possibles avec les consommations de substances, l'index de masse corporelle (IMC), l'activité physique ou la santé mentale. Chaque homme suisse entre 18 et 25 ans est appelé à participer à 2 journées de recrutement militaire. De septembre 2010 à mai 2011, les jeunes hommes recrutés à Lausanne et à Zürich (N= 9761) ont été invités à participer à l'étude C-SURF (Cohort Study on Substance Use Risk Factors). 5276 d'entre eux acceptèrent de répondre au questionnaire complet, et 73% (N=3886) le firent de manière effective. Le but de notre recherche étant d'étudier les dysfonctions sexuelles, nous nous sommes concentrés sur les participants sexuellement actifs (N=2507) et les avons divisés en 2 groupes, selon qu'ils présentaient ou non la dysfonction étudiée. Pour chaque dysfonction (éjaculation précoce et dysfonction érectile), nous avons utilisé une analyse bivariée afin de comparer les deux groupes (avec ou sans trouble) quant à d'éventuels facteurs associés. A cause de la nature transversale de l'étude, nous ne pouvions pas postuler de lien de cause à effet entre ces facteurs et les dysfonctions sexuelles, raison pour laquelle nous avons choisi d'utiliser des modèles log-linéaires pour mettre en exergue les associations significatives. Nos résultats montrent une prévalence d'éjaculation précoce de 11.4% avec comme associations principales la consommation de tabac et de drogues illégales (autres que le cannabis). La prévalence des dysfonctions érectiles est quant à elle proche du 30% et s'associe principalement avec l'usage de médicaments, ainsi qu'avec la santé physique et la santé mentale. Un jeune homme suisse sur trois souffre ainsi d'au moins une dysfonction sexuelle. Beaucoup de facteurs compromettants pour la santé y sont possiblement associés, raison pour laquelle les professionnels de la santé devraient saisir chaque occasion pour parler de sexualité avec leurs jeunes patients de sexe masculin.

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Trait decay may occur when selective pressures shift, owing to changes in environment or life style, rendering formerly adaptive traits non-functional or even maladaptive. It remains largely unknown if such decay would stem from multiple mutations with small effects or rather involve few loci with major phenotypic effects. Here, we investigate the decay of female sexual traits, and the genetic causes thereof, in a transition from haplodiploid sexual reproduction to endosymbiont-induced asexual reproduction in the parasitoid wasp Asobara japonica. We take advantage of the fact that asexual females cured of their endosymbionts produce sons instead of daughters, and that these sons can be crossed with sexual females. By combining behavioral experiments with crosses designed to introgress alleles from the asexual into the sexual genome, we found that sexual attractiveness, mating, egg fertilization and plastic adjustment of offspring sex ratio (in response to variation in local mate competition) are decayed in asexual A. japonica females. Furthermore, introgression experiments revealed that the propensity for cured asexual females to produce only sons (because of decayed sexual attractiveness, mating behavior and/or egg fertilization) is likely caused by recessive genetic effects at a single locus. Recessive effects were also found to cause decay of plastic sex-ratio adjustment under variable levels of local mate competition. Our results suggest that few recessive mutations drive decay of female sexual traits, at least in asexual species deriving from haplodiploid sexual ancestors.

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Waist-hip ratio (WHR) is a measure of body fat distribution and a predictor of metabolic consequences independent of overall adiposity. WHR is heritable, but few genetic variants influencing this trait have been identified. We conducted a meta-analysis of 32 genome-wide association studies for WHR adjusted for body mass index (comprising up to 77,167 participants), following up 16 loci in an additional 29 studies (comprising up to 113,636 subjects). We identified 13 new loci in or near RSPO3, VEGFA, TBX15-WARS2, NFE2L3, GRB14, DNM3-PIGC, ITPR2-SSPN, LY86, HOXC13, ADAMTS9, ZNRF3-KREMEN1, NISCH-STAB1 and CPEB4 (P = 1.9 × 10⁻⁹ to P = 1.8 × 10⁻⁴⁰) and the known signal at LYPLAL1. Seven of these loci exhibited marked sexual dimorphism, all with a stronger effect on WHR in women than men (P for sex difference = 1.9 × 10⁻³ to P = 1.2 × 10⁻&supl;³). These findings provide evidence for multiple loci that modulate body fat distribution independent of overall adiposity and reveal strong gene-by-sex interactions.