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Sökning: WFRF:(Ke Rongqin)

  • Resultat 11-15 av 15
  • Föregående 1[2]
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11.
  • McGinn, Steven, et al. (författare)
  • New Technologies for DNA analysis-A review of the READNA Project.
  • Ingår i: New Biotechnology. - : Elsevier. - 1876-4347 .- 1871-6784. ; 33:3, s. 311-330
  • Forskningsöversikt (refereegranskat)abstract
    • The REvolutionary Approaches and Devices for Nucleic Acid analysis (READNA) project received funding from the European Commission for 4 1/2 years. The objectives of the project revolved around technological developments in nucleic acid analysis. The project partners have discovered, created and developed a huge body of insights into nucleic acid analysis, ranging from improvements and implementation of current technologies to the most promising sequencing technologies that constitute a 3(rd) and 4(th) generation of sequencing methods with nanopores and in situ sequencing, respectively.
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12.
  • Sun, Song, et al. (författare)
  • Genome-Wide Detection of Spontaneous Chromosomal Rearrangements in Bacteria
  • 2012
  • Ingår i: PLoS ONE. - 1932-6203 .- 1932-6203. ; 7:8, s. e42639-
  • Tidskriftsartikel (refereegranskat)abstract
    • Genome rearrangements have important effects on bacterial phenotypes and influence the evolution of bacterial genomes. Conventional strategies for characterizing rearrangements in bacterial genomes rely on comparisons of sequenced genomes from related species. However, the spectra of spontaneous rearrangements in supposedly homogenous and clonal bacterial populations are still poorly characterized. Here we used 454 pyrosequencing technology and a 'split mapping' computational method to identify unique junction sequences caused by spontaneous genome rearrangements in chemostat cultures of Salmonella enterica Var. Typhimurium LT2. We confirmed 22 unique junction sequences with a junction microhomology more than 10 bp and this led to an estimation of 51 true junction sequences, of which 28, 12 and 11 were likely to be formed by deletion, duplication and inversion events, respectively. All experimentally confirmed rearrangements had short inverted (inversions) or direct (deletions and duplications) homologous repeat sequences at the endpoints. This study demonstrates the feasibility of genome wide characterization of spontaneous genome rearrangements in bacteria and the very high steady-state frequency (20-40%) of rearrangements in bacterial populations.
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13.
  • Sun, Song, 1982-, et al. (författare)
  • High frequencies of genome rearrangements in bacterial chromosomes
  • Annan publikation (övrigt vetenskapligt)abstract
    • Genome rearrangements have important effects on bacterial phenotypes and influence the evolution of bacterial genomes. Conventional strategies for characterizing rearrangements in bacterial genomes rely on comparisons of sequenced genomes from related species. However, the spectra of spontaneous rearrangements in supposedly homogenous and clonal bacterial populations are still poorly characterized. Here we used 454 pyrosequencing technology and a ‘split mapping’ computational method to identify unique junction sequences caused by spontaneous genome rearrangements in chemostat cultures of Salmonella enterica Var. Typhimurium LT2. We were able to confirm 22 unique junction sequences with a junction homology more than 10bp and this led to an estimation of 51 true junction sequences, of which 28, 12 and 11 were likely to be formed by deletion, duplication and inversion events, respectively.  All experimentally confirmed rearrangements had short inverted (inversions) or direct (deletions and duplications) homologous repeat sequences at the endpoints. This study demonstrates the feasibility of genome wide characterization of spontaneous genome rearrangements in bacteria and the high steady-state frequency of rearrangements in bacterial populations.
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14.
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15.
  • Zardán Gómez de la Torre, Teresa, et al. (författare)
  • Sensitive Detection of Spores Using Volume-Amplified Magnetic Nanobeads
  • 2012
  • Ingår i: Small. - 1613-6810. ; 8:14, s. 2174-2177
  • Tidskriftsartikel (refereegranskat)abstract
    • A magnetic-nanobead-based, substrate-free method for the sensitive detection of spores in an immunoassay format is presented. The method is shown to detect Bacillus globigii spores, the non-pathogenic simulant of Bacillus anthracis, with a limit-of-detection of 50 spores with a reaction time of 135 min. The study shows the versatility of magnetic nanobeads for detection of biological molecules other than DNA.
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  • Resultat 11-15 av 15
  • Föregående 1[2]
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