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Sökning: L773:1363 9811 OR L773:1469 8382

  • Resultat 1-10 av 57
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  • Hägerdal, Hans, 1960- (författare)
  • Cannibals and pedlars. : Economic opportunities and political alliance in Alor, 1600-1850.
  • 2010
  • Ingår i: Postcolonial Forum: Concurrences. - Abingdon : Routledge.
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>A historical study of the Alor Islands in eastern Indonesia during the period 1600-1850. The article discusses the perceptions of geography and ethnographic features by foreign visitors, and the Alorese relations to the outside world, in particular with the Dutch and Portuguese colonials.</p>
  • Hägerdal, Hans, 1960- (författare)
  • Periphery and Bridgehead. : A Synthesis of West Balinese History
  • 2002
  • Ingår i: Indonesia and the Malay World. - Basingstoke : Carfax Publishing. - 1363-9811 .- 1469-8382. ; 30, s. 145-192
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The article provides a historical syntesis of West Bali as a region, showing how this often neglected part of the island has served as bridgehead to Java/Central Indonesia in spite of its peripherical political position.</p>
  • Hägerdal, Hans, 1960- (författare)
  • Wetar and Kisar in Indonesia, and East Timor : Colonial encroachment, migration, and strategies of survival in the 17th century
  • 2019
  • Ingår i: Indonesia and the Malay World. - Taylor & Francis Group. - 1363-9811 .- 1469-8382. ; 47:138: Special Issue, s. 199-219
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The article studies a complex of little known historical processes in Southwestern Maluku and East Timor in the late 17th century. These occurred in the intersection between early colonial attempts at political and economic control, and local strategies to either accommodate or avoid such control. The article argues that the aspirations of European or Eurasian groups - the Dutch VOC and the ethnically mixed Portuguese Topasses - allowed certain local leaders to use early colonial rivalries to build up positions that transgressed their customary prerogatives. Moreover, the processes must be seen as an interplay between global, regional and local spatial levels. The article focuses in particular on two protagonists. Bakker, a chief in the island of Kisar, was briefly expelled through a Topass invasion in 1668 but reinstated by a Dutch expeditionary force, henceforth cooperating closely with the Dutch post in Banda. Sili Saba (Raja Salomon), was the ruler of Ade (Vemasse) in East Timor. An attempt to ally with the VOC in 1668 misfired as the Topasses invaded East Timor in the same year, and Sili Saba was installed as interlocutor for the VOC in Wetar. The article shows how the Wetar Straits, which had a binding function for culturally similar populations, was turned into a sea border which still persists. It also demonstrates how local groups obstructed the imposed order through resistance and migrations.</p>
  • Wellfelt, Emilie, 1965-, et al. (författare)
  • Islam in Aru, Indonesia Oral traditions and Islamisation processes from the early modern period to the present
  • 2019
  • Ingår i: Roos & Ruins: Documentation of Ujir, an endangered language of Aru.
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The coming of Islam in eastern Indonesia is generally assigned to the activities of Muslim traders from the late 15th century onwards. This assumption is an over-simplification, especially in areas outside the main trade centres. In the Aru islands, Islam was introduced by the mid 17th century. We argue that Islamisation in Aru was initially a matter of internal considerations, rather than trade. We present oral traditions about the expansion of Islam as seen from two locations: Ujir, the historical Muslim centre in Aru on the west coast, and Benjuring, a former stronghold of local ancestral beliefs in the east. The oral sources are juxtaposed with European accounts of the 17th century when Muslim and Protestant centres first developed in Aru. The coming of Islam forced people to either convert or leave for non-Muslim areas. By late colonial times (early 20th century), both Islam and the Protestant church had reached remote villages. The most recent wave of conversions in Aru to state-approved world religions took place in the 1970s. In the last 30 years, the population in Aru has grown, especially in the regency capital Dobo. While Muslims used to be a small minority in Aru with their main centre on Ujir island, the point of gravity has shifted to Dobo, a fast-growing town with a large influx of mostly Muslims from other parts of Indonesia. Islamisation is still ongoing in Aru and the character of Islam is changing.</p>
  • Alkemar, Gunnar, et al. (författare)
  • A possible tertiary rRNA interaction between expansion segments ES3 and ES6 in eukaryotic 40S ribosomal subunits
  • 2003
  • Ingår i: RNA : A publication of the RNA Society. - 1355-8382 .- 1469-9001. ; 9:1, s. 20-24
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Eukaryotic 16S-like ribosomal RNAs contain 12 so-called expansion segments, i.e., sequences not included in the RNA secondary structure core common to eubacteria, archaea, and eukarya. Two of these expansion segments, ES3 and ES6, are juxtaposed in the recent three-dimensional model of the eukaryotic 40S ribosomal subunit. We have analyzed ES3 and ES6 sequences from more than 2900 discrete eukaryotic species, for possible sequence complementarity between the two expansion segments. The data show that ES3 and ES6 could interact by forming a helix consisting of seven to nine contiguous base pairs in almost all analyzed species. We, therefore, suggest that ES3 and ES6 form a direct RNA-RNA contact in the ribosome.</p>
  • Alkemar, Gunnar, et al. (författare)
  • Secondary structure of two regions in expansion segments ES3 and ES6 with the potential of forming a tertiary interaction in eukaryotic 40S ribosomal subunits
  • 2004
  • Ingår i: RNA : A publication of the RNA Society. - 1355-8382 .- 1469-9001. ; 10:3, s. 403-411
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The 18S rRNA of the small eukaryotic ribosomal subunit contains several expansion segments. Electron microscopy data indicate that two of the largest expansion segments are juxtaposed in intact 40S subunits, and data from phylogenetic sequence comparisons indicate that these two expansion segments contain complementary sequences that could form a direct tertiary interaction on the ribosome. We have investigated the secondary structure of the two expansion segments in the region around the putative tertiary interaction. Ribosomes from yeast, wheat, and mouse-three organisms representing separate eukaryotic kingdoms-were isolated, and the structure of ES3 and part of the ES6 region were analyzed using the single-strand-specific chemical reagents CMCT and DMS and the double-strand-specific ribonuclease V1. The modification patterns were analyzed by primer extension and gel electrophoresis on an ABI 377 automated DNA sequencer. The investigated sequences were relatively exposed to chemical and enzymatic modification. This is in line with their indicated location on the surface at the solvent side of the subunit. The complementary ES3 and ES6 sequences were clearly inaccessible to single-strand modification, but available for cleavage by double-strand-specific RNase V1. The results are compatible with a direct helical interaction between bases in ES3 and ES6. Almost identical results were obtained with ribosomes from the three organisms investigated.</p>
  • Andreev, Dmitri, et al. (författare)
  • The bacterial toxin ReIE induces specific mRNA cleavage in the A site of the eukaryote ribosome
  • 2008
  • Ingår i: RNA : A publication of the RNA Society. - RNA Society. - 1355-8382 .- 1469-9001. ; 14:2, s. 233-239
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>ReIE/ReIB is a well-characterized toxin-anti-toxin pair involved in nutritional stress responses in Bacteria and Archae. ReIE lacks any eukaryote homolog, but we demonstrate here that it efficiently and specifically cleaves mRNA in the A site of the eukaryote ribosome. The cleavage mechanism is similar to that in bacteria, showing the feasibility of A-site cleavage of mRNA for regulatory purposes also in eukaryotes. ReIE cleavage in the A-site codon of a stalled eukaryote ribosome is precise and easily monitored, making "ReIE printing" a useful complement to toeprinting to determine the exact mRNA location on the eukaryote ribosome and to probe the occupancy of its A site.</p>
  • Avesson, L., et al. (författare)
  • MicroRNAs in Amoebozoa : Deep sequencing of the small RNA population in the social amoeba Dictyostelium discoideum reveals developmentally regulated microRNAs
  • 2012
  • Ingår i: RNA : A publication of the RNA Society. - 1355-8382 .- 1469-9001. ; 18:10, s. 1771-1782
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The RNA interference machinery has served as a guardian of eukaryotic genomes since the divergence from prokaryotes. Although the basic components have a shared origin, silencing pathways directed by small RNAs have evolved in diverse directions in different eukaryotic lineages. Micro (mi)RNAs regulate protein-coding genes and play vital roles in plants and animals, but less is known about their functions in other organisms. Here, we report, for the first time, deep sequencing of small RNAs from the social amoeba Dictyostelium discoideum. RNA from growing single-cell amoebae as well as from two multicellular developmental stages was sequenced. Computational analyses combined with experimental data reveal the expression of miRNAs, several of them exhibiting distinct expression patterns during development. To our knowledge, this is the first report of miRNAs in the Amoebozoa supergroup. We also show that overexpressed miRNA precursors generate miRNAs and, in most cases, miRNA* sequences, whose biogenesis is dependent on the Dicer-like protein DrnB, further supporting the presence of miRNAs in D. discoideum. In addition, we find miRNAs processed from hairpin structures originating from an intron as well as from a class of repetitive elements. We believe that these repetitive elements are sources for newly evolved miRNAs.</p>
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