caa a22 4500 463236858 CHVBK 20180405153300.0 cr unu---uuuuu 170326e20071101xx s 000 0 eng 10.1007/s11240-007-9262-z doi (NATIONALLICENCE)springer-10.1007/s11240-007-9262-z Involvement of DNA methylation in tree development and micropropagation [Elektronische Daten] [Luis Valledor, Rodrigo Hasbún, Mónica Meijón, Jose Rodríguez, Estrella Santamaría, Marcos Viejo, Maria Berdasco, Isabel Feito, Mario Fraga, Maria Cañal, Roberto Rodríguez] Genes constitute only a small portion of the total genome and precisely controlling their expression represents a substantial problem for their regulation. Furthermore, non-coding DNA, that contains introns repetitive elements and active transposable elements, demands effective mechanisms to silence it long-term. Cell differentiation and development are controlled through temporal and spatial activation and silencing of specific genes. These patterns of gene expression must remain stable for many cell generations and last or change when inductive developmental signals have disappeared or new ones induce new programmes. What turns genes on and off? Among others, gene regulation is controlled by epigenetic mechanisms, defined as any gene-regulating activity that does not also involve changes in the DNA code and is capable of persisting. It has become apparent that epigenetic control of transcription is mediated through specific states of the chromatin structure. Associations of specific chromosomal proteins, posttranslational histone modifications and DNA methylation are some of the epigenetic mechanisms that are involved in controlling chromatin states. DNA methylation research can be approached from several standpoints, since there is a wide range of techniques available to study the occurrence and localisation of methyldeoxycytosine in the genome. Several studies dealing with DNA methylation in relation to tree development, microproprogation and somaclonal variation will be presented, with the final aim of demonstrating that DNA methylation levels are hallmarks for growing seasonal periods and are related to open windows of competence in plants. Springer Science+Business Media B.V., 2007 Epigenetic nationallicence Somaclonal variation nationallicence 5-Methyl-2-deoxycytosine nationallicence Phase change nationallicence Dormancy nationallicence Ageing nationallicence Invitro tissue culture nationallicence Valledor Luis Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Hasbún Rodrigo Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Meijón Mónica Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Rodríguez Jose Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Santamaría Estrella Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Viejo Marcos Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Berdasco Maria Cancer Epigenetics Laboratory, Molecular Pathology Programme, National Cancer Centre (CNIO), c/ Melchor Fernández Almagro, no 3, 28029, Madrid, Spain aut Feito Isabel SERIDA, Asturias Service of Agricultural Research, Ctra, Ctra. Oviedo s/n, 33300, Villaviciosa, Spain aut Fraga Mario Cancer Epigenetics Laboratory, Molecular Pathology Programme, National Cancer Centre (CNIO), c/ Melchor Fernández Almagro, no 3, 28029, Madrid, Spain aut Cañal Maria Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Rodríguez Roberto Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut Plant Cell, Tissue and Organ Culture Springer Netherlands 91/2(2007-11-01), 75-86 0167-6857 91:2<75 2007 91 11240 https://doi.org/10.1007/s11240-007-9262-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11240-007-9262-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Valledor Luis Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 700 1- Hasbún Rodrigo Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 700 1- Meijón Mónica Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 700 1- Rodríguez Jose Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 700 1- Santamaría Estrella Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 700 1- Viejo Marcos Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 700 1- Berdasco Maria Cancer Epigenetics Laboratory, Molecular Pathology Programme, National Cancer Centre (CNIO), c/ Melchor Fernández Almagro, no 3, 28029, Madrid, Spain aut NATIONALLICENCE 700 1- Feito Isabel SERIDA, Asturias Service of Agricultural Research, Ctra, Ctra. Oviedo s/n, 33300, Villaviciosa, Spain aut NATIONALLICENCE 700 1- Fraga Mario Cancer Epigenetics Laboratory, Molecular Pathology Programme, National Cancer Centre (CNIO), c/ Melchor Fernández Almagro, no 3, 28029, Madrid, Spain aut NATIONALLICENCE 700 1- Cañal Maria Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 700 1- Rodríguez Roberto Plant Physiology, Epiphysage Research Group, B.O.S. Department, Faculty of Biology, University of Oviedo, C/ Cat. Rodrigo Uría, s/n, 33071, Oviedo, Spain aut NATIONALLICENCE 773 0- Plant Cell, Tissue and Organ Culture Springer Netherlands 91/2(2007-11-01), 75-86 0167-6857 91:2<75 2007 91 11240 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer