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Träfflista för sökning "WFRF:(Holmberg Bjorn) srt2:(2013)"

Sökning: WFRF:(Holmberg Bjorn) > (2013)

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1.
  • Nystedt, Bjorn, et al. (författare)
  • The Norway spruce genome sequence and conifer genome evolution
  • 2013
  • Ingår i: Nature. - 0028-0836 .- 1476-4687. ; 497:7451, s. 579-584
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Conifers have dominated forests for more than 200 million years and are of huge ecological and economic importance. Here we present the draft assembly of the 20-gigabase genome of Norway spruce (Picea abies), the first available for any gymnosperm. The number of well-supported genes (28,354) is similar to the &gt;100 times smaller genome of Arabidopsis thaliana, and there is no evidence of a recent whole-genome duplication in the gymnosperm lineage. Instead, the large genome size seems to result from the slow and steady accumulation of a diverse set of long-terminal repeat transposable elements, possibly owing to the lack of an efficient elimination mechanism. Comparative sequencing of Pinus sylvestris, Abies sibirica, Juniperus communis, Taxus baccata and Gnetum gnemon reveals that the transposable element diversity is shared among extant conifers. Expression of 24-nucleotide small RNAs, previously implicated in transposable element silencing, is tissue-specific and much lower than in other plants. We further identify numerous long (&gt;10,000 base pairs) introns, gene-like fragments, uncharacterized long non-coding RNAs and short RNAs. This opens up new genomic avenues for conifer forestry and breeding.</p>
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2.
  • Pihlstrom, Lasse, et al. (författare)
  • Supportive evidence for 11 loci from genome-wide association studies in Parkinson's disease
  • 2013
  • Ingår i: Neurobiology of Aging. - 0197-4580 .- 1558-1497. ; 34:6, s. 1708.e7-1708.e13
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Genome-wide association studies have identified a number of susceptibility loci in sporadic Parkinson's disease (PD). Recent larger studies and meta-analyses have greatly expanded the list of proposed association signals. We performed a case-control replication study in a Scandinavian population, analyzing samples from 1345 unrelated PD patients and 1225 control subjects collected by collaborating centers in Norway and Sweden. Single-nucleotide polymorphisms representing 18 loci previously reported at genome-wide significance levels were genotyped, as well as 4 near-significant, suggestive, loci. We replicated 11 association signals at p &lt; 0.05 (SNCA, STK39, MAPT, GPNMB, CCDC62/HIP1R, SYT11, GAK, STX1B, MCCC1/LAMP3, ACMSD, and FGF20). The more recently nominated susceptibility loci were well represented among our positive findings, including 3 which have not previously been validated in independent studies. Conversely, some of the more well-established loci failed to replicate. While future meta-analyses should corroborate disease associations further on the level of common markers, efforts to pinpoint functional variants and understand the biological implications of each risk locus in PD are also warranted. (C) 2013 Elsevier Inc. All rights reserved.</p>
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