4,832 research outputs found

    Erratum: Allen, G.R., Erdmann, M.V. & Purtiwi, P.D. (2017): Author Purtiwi, P.D. is spelled Pertiwi, P.D.

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    Allen, G.R., Erdmann, M.V. & Purtiwi, P.D. (2017) Descriptions of four new species of damselfishes (Pomacentridae) in the Pomacentrus philippinus complex from the tropical western Pacific Ocean. Journal of the Ocean Science Foundation, 25, 47–76. corrected spelling of third author’s name to: Allen, G.R., Erdmann, M.V. & Pertiwi, P.D. (2017) Descriptions of four new species of damselfishes (Pomacentridae) in the Pomacentrus philippinus complex from the tropical western Pacific Ocean. Journal of the Ocean Science Foundation, 25, 47–76

    Erklärung des Petschafts des Michael Angelo

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    Vorlageform des Kolophon: Pförten, gedruckt mit Erdmann Christoph Benekens Schriften

    Ethnicity, voter alignment and political party affiliation - an African case: Zambia

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    Conventional wisdom holds that ethnicity provides the social cleavage for voting behav-iour and party affiliation in Africa. Because this is usually inferred from aggregate data of national election results, it might prove to be an ecological fallacy. The evidence based on individual data from an opinion survey in Zambia suggests that ethnicity matters for voter alignment and even more so for party affiliation, but it is certainly not the only factor. The analysis also points to a number of qualifications which are partly methodology-related. One is that the degree of ethnic voting can differ from one ethno-political group to the other depending on various degrees of ethnic mobilisation. Another is that if smaller eth-nic groups or subgroups do not identify with one particular party, it is difficult to find a significant statistical correlation between party affiliation and ethnicity - but that does not prove that they do not affiliate along ethnic lines.Wahlverhalten und Mitgliedschaft in politischen Parteien Afrikas ist nur wenig untersucht worden. Gewöhnlich wird argumentiert, dass Ethnizität als soziale Konfliktlinie das Wahlverhalten und die Parteienmitgliedschaft strukturiert. Da dieses Argument auf hoch aggregierten Wahldaten beruht, kann hier ein ökologischer Fehlschuss vorliegen. Die vorliegende Analyse beruht deshalb auf individuellen Umfragedaten aus Sambia. Das Ergebnis ist, dass Ethnizität tatsächlich eine Rolle für das Wahlverhalten und die Parteienmitgliedschaft spielt, aber keineswegs den einzigen Erklärungsfaktor darstellt. Die Analyse offenbart zudem eine Reihe von Einschränkungen und Qualifizierungen, die teilweise methodischer Natur sind. Eine ist, dass ethnisches Wahlverhalten und Parteienmitgliedschaft von einer ethnischen Gruppe zur anderen unterschiedlich ist, dass, wenn sich kleinere ethnische Gruppen oder Untergruppen mit keiner Partei identifizieren, es schwierig wird, statistisch signifikante Korrelationen zu finden - was indessen noch nicht beweist, dass Ethnizität keine Rolle spielt

    Die Anmuthige Pistophile : In einer wahrhafften, ob wohl verdeckten Liebes- und Helden-Geschichte

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    ausführlich entworffen von Friedrich Erdmann von GlaubitzTitelblatt in Rot- und Schwarzdr.Autopsie nach Ex. der ULB Sachsen-AnhaltVorlageform des Erscheinungsvermerks: Franckfurt und Leipzig, bey Michael Rorlachs Wittib und Erben. Drucks Andr. Martin Scheda. 1713

    Die Anmuthige Pistophile : In einer wahrhafften, ob wohl verdeckten Liebes- und Helden-Geschichte / ausführlich entworffen von Friedrich Erdmann von Glaubitz

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    Titelblatt in Rot- und Schwarzdr.Autopsie nach Ex. der ULB Sachsen-AnhaltVorlageform des Erscheinungsvermerks: Franckfurt und Leipzig, bey Michael Rorlachs Wittib und Erben. Druckts Andr. Martin Scheda. 1713.Frontisp. (Kupferst.

    A Small RNA Pathway Mediates Allelic Dosage in Endosperm

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    Summary: Balance between maternal and paternal genomes within the triploid endosperm is necessary for normal seed development. The majority of endosperm genes are expressed in a 2:1 maternal:paternal ratio, reflecting genomic DNA content. Here, we find that the 2:1 transcriptional ratio is, unexpectedly, actively regulated. In A. thaliana and A. lyrata, endosperm 24-nt small RNAs are reduced in transposable elements and enriched in genes compared with the embryo. We find an inverse relationship between the parent of origin of sRNAs and mRNAs, with genes more likely to be associated with maternally than paternally biased sRNAs. Disruption of the Pol IV sRNA pathway causes a shift toward maternal allele mRNA expression for many genes. Furthermore, paternal inheritance of an RNA Pol IV mutation is sufficient to rescue seed abortion caused by excess paternal genome dosage. Thus, RNA Pol IV mediates the transcriptional balance between maternally and paternally inherited genomes in endosperm. : The endosperm is a triploid seed tissue critical for seed viability. Imprinted expression occurs there, but whether active regulation of maternal:paternal transcript ratios occurs on a broader scale is unknown. Erdmann et al. show that the RNA Pol IV small RNA pathway mediates dosage interactions between maternal and paternal genomes. Keywords: endosperm, RNA Pol IV, dosage, imprinting, small RNA, DNA methylation, A. thaliana, A. lyrat

    The Cleavage Model, Ethnicity and Voter Alignment in Africa: Conceptual and Methodological Problems Revisited

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    Recent research on political parties and ethnicity has challenged the conventional wisdom about ethnicity as the major factor that explains voter alignment in Africa. The paper maintains that the cleavage model, although modified to include ethnicity, still provides heuristically the best foundation for the explanation of party formation and voting behaviour in Africa. It points out that inconclusive and contradicting research results about the salience of ethnicity can be attributed to a variety of unresolved methodological and conceptual problems linked to the ‘fluidity’ of the concept of ethnicity. To overcome these problems refined research designs and more sophisticated analytical tools are required. Finally, it is safe to assume that the relevance of ethnicity for the formation of party systems and voter alignment is not a uniform pattern across Africa, but will differ from one country to the other.Africa, social cleavages, cleavage model, ethnicity, political parties, party systems
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