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Sökning: db:Swepub > Umeå universitet

  • Resultat 47291-47300 av 88500
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47291.
  • Lindholm, Mark, et al. (författare)
  • Role of OmpA1 and OmpA2 in Aggregatibacter actinomycetemcomitans and Aggregatibacter aphrophilus serum resistance
  • 2019
  • Ingår i: Journal of Oral Microbiology. - : Taylor & Francis. - 2000-2297. ; 11:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Aggregatibacter actinomycetemcomitans and Aggregatibacter aphrophilus belong to the HACEK group of fastidious Gram-negative organisms, a recognized cause of infective endocarditis. A. actinomycetemcomitans is also implicated in aggressive forms of periodontitis. We demonstrated that A. aphrophilus strains, as A. actinomycetemcomitans are ubiquitously serum resistant. Both species encode two Outer membrane protein A paralogues, here denoted OmpA1 and OmpA2. As their respective pangenomes contain several OmpA1 and OmpA2 alleles, they represent potential genotypic markers. A naturally competent strain of A. actinomycetemcomitans and A. aphrophilus, respectively were used to elucidate if OmpA1 and OmpA2 contribute to serum resistance. Whereas OmpA1 was critical for survival of A. actinomycetemcomitans D7SS in 50% normal human serum (NHS), serum resistant ompA1 mutants were fortuitously obtained, expressing enhanced levels of OmpA2. Similarly, OmpA1 rather than OmpA2 was a major contributor to serum resistance of A. aphrophilus HK83. Far-Western blot revealed that OmpA1AA, OmpA2AA, and OmpA1AP can bind to C4-binding protein, an inhibitor of classical and mannose-binding lectin (MBL) complement activation. Indeed, ompA1 mutants were susceptible to these pathways, but also to alternative complement activation. This may at least partly reflect a compromised outer membrane integrity but is also consistent with alternative mechanisms involved in OmpA-mediated serum resistance.
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47292.
  • Lindholm Narváez, Elena, 1972- (författare)
  • A post-anarchist momentum
  • 2012
  • Ingår i: NORA. - : Taylor & Francis Group. - 0803-8740 .- 1502-394X. ; 20:1, s. 71-73
  • Recension (övrigt vetenskapligt/konstnärligt)
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47293.
  • Lindholm Narváez, Elena, 1972- (författare)
  • Carmen och friheten
  • 2012
  • Ingår i: Västerbottenskuriren. - Umeå. - 1104-0246. ; :52, s. 38-39
  • Tidskriftsartikel (populärvet., debatt m.m.)
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47294.
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47295.
  • Lindholm Narvaez, Elena, 1972- (författare)
  • "Ese terrible espejo" : autorrepresentación en la narrativa sobre el exilio del Cono Sur en Suecia
  • 2008
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The present dissertation deals with self-representation in a corpus consisting of narrative texts about the exile from Chile, Uruguay and Argentina, that reached Sweden during the 1970s and 1980s. The first part of the analysis focuses on the representation of discursive borders that enclose identity in exile in categories based on gender and ethnicity. The second part focuses on exile subjectivity as situated in a discursive framework of space and time, where the centre of attention is on how the legacies of memories from the political oppression during the dictatorship in the exile’s past inhibit the inclusion of these memories in a pedagogical discourse of the self. The corpus of narrative texts that are analysed consists of novels and short stories in Spanish. Latin American exile in Sweden is a central theme and can therefore be considered as part of the historical contextual framework that surrounds the discourse of Latin American exile identity in Sweden. The analysis is not focused on the authors’ individual experiences of exile, since a point of departure in the dissertation is an immanency between the author’s biography and the narrative text. The object of study is the identity as constructed in the text itself against the backdrop of Latin American exile and immigration in Sweden. The theoretical framework applied mostly derives from poststructural and postcolonial criticism and concerns identity as relational between self and other, as well as culturally and discursively constructed. The analysis of the corpus texts is based on a conception of gender identity as relational and intersectional with identities connected to ethnicity and social class. It also takes as a starting point the assumption that the notion of exile identity is rendered from a male norm, based on the traditional association between national politics and male rationality. Another point of departure is a notion of permeability between exile and immigrant identity, of which the former is conceived as linked to discourses of political rationality and the latter to those of corporality and materiality. The analysis focuses on the way both exile and immigrant identities are represented as constituent parts of exile self in narratives. For the reading of texts that illustrate exile subjectivity as a dislocation in space and time, the theoretical framework is based on Foucault’s notions of heterochronia and heterotopia. The analysis aims to highlight the representation of heterochronic divisions in the texts, between memories of the past and the present in exile. This representation departs from the notion of modern subjectivity as a pedagogical discourse of the self that is rendered as a narrative of the proper life. In some texts, this pedagogy of the self is represented as interrupted in exile by the suppression of memories of political oppression during the dictatorships in the exiles’ countries of origin, such as those of imprisonment, torture and violence. The analysis also focuses on the representation of strategies the individual employs to accomplish the performance of a coherent self in exile.
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47296.
  • Lindholm Narvaez, Elena, 1972- (författare)
  • La cárcel simbólica escandinava : El exilio en la narrativa de Fernando Butazzoni, Carlos Liscano y Cristina Feijóo
  • 2012
  • Ingår i: Exilio e identidad en el mundo hispano. - Alicante : Biblioteca Virtual Miguel de Cervantes. - 9788415548034 ; , s. 986-1008
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • Durante las décadas 1970 y 80 — periodo en que sucedieron los golpes militares en Argentina, Uruguay y Chile — Suecia fue uno de los países que acogieron a los exiliados que huían de las dictaduras. Entre los países receptores, Suecia destaca por unos elementos culturales y sociales específicos que condicionaba la recepción de los latinoamericanos y su establecimiento sucesivo en la sociedad. En la narrativa que representa este exilio, escrita por autores que vivieron como exiliados en Suecia, la imagen positiva de Suecia bajo el gobierno de Palme, como modelo social socialdemócrata, contrasta con otra negativa, Suecia como un paralelo simbólico a las memorias de encarcelamiento durante las dictaduras. Este estudio se acerca a este paralelo simbólico entre el ambiente sueco y las memorias de la cárcel en los textos de tres autores latinoamericanos: En celdas diferentes (1992) y Afuera (2008) de Cristina Feijóo, El tigre y la nieve (1986) de Fernando Butazzoni y Agua estancada (1997) de Carlos Liscano. Ninguno de estos textos es explícitamente autobiográfico, aunque todos narran las experiencias del exilio con un tono íntimo y personal que induce a una lectura de los mismos como retratos de experiencias personales. El análisis de dichos textos se valdrá de la noción de destiempo de Joseph Wittlin para dilucidar cómo los autores representan la confrontación del sujeto con su pasado violento en el espacio del exilio. Para el acercamiento a las representaciones del paso entre un espacio y otro – entre el de las memorias y el del exilio en Suecia – el estudio partirá de la noción del estado liminal, como lo describe el antropólogo Victor W. Turner. El análisis de los textos expone la cárcel como una experiencia de represión violenta que el exiliado lleva dentro de sí como una reclusión subjetiva, o como una celda interior que se sigue manifestando simbólicamente en el ambiente sueco del exilio.
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47297.
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47298.
  • Lindholm Narváez, Elena, 1972- (författare)
  • Natten är festivalens mor i Korpilombolo
  • 2011
  • Ingår i: Västerbottenskuriren. - Umeå : Västerbottenskurirens Aktiebolag. - 1104-0246. ; :23/11
  • Tidskriftsartikel (populärvet., debatt m.m.)
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47299.
  •  
47300.
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