HR Excellence in Science
Date: 03.09.2013

Characterization of repetitive DNA in complex genomes of the selected plant species


Repetitive DNA makes up significant portions of higher plant nuclear genomes. Therefore, investigation of sequence composition, genome organization and evolution of the repetitive DNA is crucial for our understanding of fundamental processes driving plant genome evolution and function, as well as for potential genetic manipulation in crop species. Taking advantage of the next-generation sequencing technologies, we performed detailed characterization of repetitive DNA in three complex plant genomes using a set of novel bioinformatics tools that have been previously developed in our laboratory. The data obtained for the model dioecious plant Silene latifolia, tobacco (Nicotiana tabacum) and potato (Solanum tuberosum) genomes provided new insights into the role of repetitive DNA in various evolutionary processes, including differentiation of plant sex chromosomes or polyploidization.

  • Macas Jiří, Kejnovský E., Neumann Pavel, Novák Petr, Koblížková Andrea, Vyskot B.:Next Generation Sequencing-Based Analysis of Repetitive DNA in the Model Dioceous Plant Silene latifolia. PLoS ONE 6(11): e27335, 2011 [IF = 4.092].-> Abstract / Full-text online
  • Renny-Byfield S., Chester M., Kovarik A., Le Comber S.C., Grandbastien M.A., Deloger M., Nichols R., Macas Jiří, Novák Petr, Chase M.W., Leitch A.R.:Next generation sequencing reveals genome downsizing in allopolyploid Nicotiana tabacum, predominantly through the elimination of paternally derived repetitive DNAs. Molecular Biology and Evolution 28(10): 2843-2854, 2011 [IF = 5.55].-> Abstract / Full-text online
  • Torres G.A., Gong Z., Iovene M., Hirsch C.D., Buell C.R., Bryan G.J., Novák Petr, Macas Jiří, Jiang J.:Organization and evolution of subtelomeric satellite repeats in the potato genome. G3: Genes, Genomes, Genetics 1(2): 85-92, 2011 .-> Abstract / Full-text online



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