914 resultados para archaeology of Iran


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Final report on the Istanbul Rescue Archaeology Project 1998-2004 directed by Ken Dark and Ferudun Özgümüş. English language report written by Ken Dark.

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RNA secondary structures in the 3'untranslated regions (3'UTR) of the viruses of the family Flaviviridae, previously identified as essential (promoters) or beneficial (enhancers) for replication, have been analysed. Duplicated enhancer elements are revealed as a global feature in the evolution of the 3'UTR of distantly related viruses within the genera Flavivirus and Pestivirus. For the flaviviruses, duplicated structures occur in the 3'UTR of all four distantly related ecological virus subgroups (tick-borne, mosquito-borne, no known vector and insect-specific flaviviruses (ISFV). RNA structural differences distinguish tick-borne flaviviruses with discrete pathogenetic characteristics. For Aedes- and Culex-associated ISFV, secondary RNA structures with different conformations display numerous short ssRNA direct repeats, exposed as loops and bulges. Long quadruplicate regions comprise almost the entire 3'UTR of Culex-associated ISFV. Extended duplicated sequence and associated RNA structures were also discovered in the 3'UTR of pestiviruses. In both the Flavivirus and Pestivirus genera, duplicated RNA structures were localized to the enhancer regions of the 3'UTR suggesting an adaptive role predominantly in wild-type viruses. We propose sequence reiteration might act as a scaffold for dimerization of proteins involved in assembly of viral replicase complexes. Numerous nucleotide repeats exposed as loops/bulges might also interfere with host immune responses acting as a molecular sponge to sequester key host proteins or microRNAs.

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There can be little doubt on linguistic evidence that East Polynesia was first settled from West Polynesia. The author argues, however, that the related archaeological record has been made to fit with this dominant interpretative paradigm. Her objective assessment of the material evidence contradicts the popularly held view.

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At Corindi Beach on the mid-north coast of New South Wales are five twentieth century campsites located on the fringes of the township, beside the town racecourse, an area called by local Aboriginal people 'No man's land'. These campsites are important symbols of the self-sufficient lifestyle followed by the Corindi Beach Indigenous community in the twentieth century and are a physical reminder of cross-cultural relationships between local people over the last hundred years. In a collaborative research project with Yarrawarra Aboriginal Corporation, these places are being documented through studying oral history, the cultural landscape and the material culture left behind at these places.

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Pinder examines Julia Kristeva's essay "Stabat Mater," a focus of psychoanalytical, historical and cultural concepts which require very careful consideration. In order to illustrate the complexity of these linguistic and cultural interrelationships, she looks first at Kristeva's own original essay in French to see what light her method of construction may throw on her particular ideas, then examines some translations of the essay into English to see if there is anything lost by attrition or gained by accretion.