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Sökning: WFRF:(Adryan Boris)

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1.
  • Clark, Andrew G., et al. (författare)
  • Evolution of genes and genomes on the Drosophila phylogeny
  • 2007
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 450:7167, s. 203-218
  • Tidskriftsartikel (refereegranskat)abstract
    • Comparative analysis of multiple genomes in a phylogenetic framework dramatically improves the precision and sensitivity of evolutionary inference, producing more robust results than single-genome analyses can provide. The genomes of 12 Drosophila species, ten of which are presented here for the first time (sechellia, simulans, yakuba, erecta, ananassae, persimilis, willistoni, mojavensis, virilis and grimshawi), illustrate how rates and patterns of sequence divergence across taxa can illuminate evolutionary processes on a genomic scale. These genome sequences augment the formidable genetic tools that have made Drosophila melanogaster a pre-eminent model for animal genetics, and will further catalyse fundamental research on mechanisms of development, cell biology, genetics, disease, neurobiology, behaviour, physiology and evolution. Despite remarkable similarities among these Drosophila species, we identified many putatively non-neutral changes in protein-coding genes, non-coding RNA genes, and cis-regulatory regions. These may prove to underlie differences in the ecology and behaviour of these diverse species.
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3.
  • Hosono, Chie, et al. (författare)
  • Transient junction anisotropies orient annular cell polarization in the Drosophila airway tubes
  • 2015
  • Ingår i: Nature Cell Biology. - : Springer Science and Business Media LLC. - 1465-7392 .- 1476-4679. ; 17:12, s. 1569-1576
  • Tidskriftsartikel (refereegranskat)abstract
    • In contrast to planes, three-dimensional (3D) structures such as tubes are physically anisotropic. Tubular organs exhibit a striking orientation of landmarks according to the physical anisotropy of the 3D shape(1-4), in addition to planar cell polarization(5,6). However, the influence of 3D tissue topography on the constituting cells remains underexplored(7-9). Here, we identify a regulatory network polarizing cellular biochemistry according to the physical anisotropy of the 3D tube geometry (tube cell polarization) by a genome-wide, tissue-specific RNAi screen. During Drosophila airway remodelling, each apical cellular junction is equipotent to establish perpendicular actomyosin cables, irrespective of the longitudinal or transverse tube axis. A dynamic transverse enrichment of atypical protein kinase C (aPKC) shifts the balance and transiently targets activated small GTPase RhoA, myosin phosphorylation and Rab11 vesicle trafficking to longitudinal junctions. We propose that the PAR complex translates tube physical anisotropy into longitudinal junctional anisotropy, where cell cell communication aligns the contractile cytoskeleton of neighbouring cells.
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