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Báo cáo y học: "A genomic approach to investigate developmental cell death in woody tissues of Populus trees"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: A genomic approach to investigate developmental cell death in woody tissues of Populus trees. | Research Open Access A genomic approach to investigate developmental cell death in woody tissues of Populus trees Charleen Moreau Nikolay Aksenov Maribel García Lorenzo Bo Segerman Christiane Funk Peter Nilsson Stefan Jansson and Hannele Tuominen Addresses Department of Plant Physiology Umeâ Plant Science Centre Umeâ University SE-901 87 Umeâ Sweden. Department of Biochemistry Umeâ University SE-901 87 Umeâ Sweden. Department of Biotechnology KTH - Royal Institute of Technology AlbaNova University Center SE-10691 Stockholm Sweden. Correspondence HanneleTuominen. E-mail hannele.tuominen@plantphys.umu.se Published 22 March 2005 Genome Biology 2005 6 R34 doi 10.1 186 gb-2005-6-4-r34 The electronic version of this article is the complete one and can be found online at http genomebiology.com 2005 6 4 R34 Received 17 November 2004 Revised 31 January 2005 Accepted 21 February 2005 2005 Moreau et al. licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Poplar Populus sp. has emerged as the main model system for molecular and genetic studies of forest trees. A Populus expressed sequence tag EST database POPULUSDB was previously created from 19 cDNA libraries each originating from different Populus tree tissues and opened to the public in September 2004. We used this dataset for in silico transcript profiling of a particular process in the woody tissues of the Populus stem the programmed death of xylem fibers. Results One EST library in POPULUSDB originates from woody tissues of the Populus stem where xylem fibers undergo cell death. Analysis of EST abundances and library distribution within the POPULUSDB revealed a large number of previously uncharacterized transcripts that were unique in this library and possibly .