905 resultados para Marks
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Saint Margaret, as presented in the “Katherine Group” life of the virgin martyr, claims to have Christ’s “marks” and “seals” on her. Bringing together postmodern theories of body modification and Paul Zumthor’s concept of mouvance, this essay reads these marks as tattoos that consist of virtual (tattoo fantasies), oral (tattoo narratives), and written elements (the actual marks on skin). Margaret defends and empowers herself by claiming to possess Christ’s ownership tattoo. Her oppressor Olibrius, in turn, intends to overwrite that mark palimpsestically and hence to empower himself, not unlike slave-owners in antiquity. While the gruesome torture scenes suggest that Olibrius wins the upper hand in this contest, the outcome of the narrative instead proves that Margaret triumphs. She dies a virgin after defiantly appropriating, in her tattoo narrative, the torture marks as her own, divine tattoo.
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In search of transmittable epigenetic marks we investigated gene expression in testes and sperm cells of differentially fed F0 boars from a three generation pig feeding experiment that showed phenotypic differences in the F2 generation. RNA samples from 8 testes of boars that received either a diet enriched in methylating micronutrients or a control diet were analyzed by microarray analysis. We found moderate differential expression between testes of differentially fed boars with a high FDR of 0.82 indicating that most of the differentially expressed genes were false positives. Nevertheless, we performed a pathway analysis and found disparate pathway maps of development_A2B receptor: action via G-protein alpha s, cell adhesion_Tight junctions and cell adhesion_Endothelial cell contacts by junctional mechanisms which show inconclusive relation to epigenetic inheritance. Four RNA samples from sperm cells of these differentially fed boars were analyzed by RNA-Seq methodology. We found no differential gene expression in sperm cells of the two groups (adjusted P-value>0.05). Nevertheless, we also explored gene expression in sperm by a pathway analysis showing that genes were enriched for the pathway maps of bacterial infections in cystic fibrosis (CF) airways, glycolysis and gluconeogenesis p.3 and cell cycle_Initiation of mitosis. Again, these pathway maps are miscellaneous without an obvious relationship to epigenetic inheritance. It is concluded that the methylating micronutrients moderately if at all affects RNA expression in testes of differentially fed boars. Furthermore, gene expression in sperm cells is not significantly affected by extensive supplementation of methylating micronutrients and thus RNA molecules could not be established as the epigenetic mark in this feeding experiment.
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by Moses Gaster
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Geskel Saloman
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Scan von Monochrom-Mikroform
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Signatur des Originals: S 36/G03849
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Heinrich Stoltze in New York
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Distribution of K-Ar age marks in Pacific bottom sediments is shown on the base of large analytical material. Dependence of K-Ar age marks on abundance of potassium-bearing authigenic diagenetic minerals (glauconite, phillipsite) widely spread in the studied part of the World Oceans.