TAILIEUCHUNG - báo cáo khoa học: " Conifer R2R3-MYB transcription factors: sequence analyses and gene expression in wood-forming tissues of white spruce (Picea glauca)"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Conifer R2R3-MYB transcription factors: sequence analyses and gene expression in wood-forming tissues of white spruce (Picea glauca) | BMC Plant Biology BioMed Central Research article Open Access Conifer R2R3-MYB transcription factors sequence analyses and gene expression in wood-forming tissues of white spruce Picea glauca Frank Bedon1 2 Jacqueline Grima-Pettenati2 and John Mackay 1 Address 1Centre d étude de la Forêt Université Laval Pavilion Charles-Eugène Marchand Sainte Foy G1K7P4 Quebec Canada and 2UMR CNRS UPS 5546 Surfaces Cellulaires et Signalisation chez les Végétaux Pôle de Biotechnologie Végétale BP426 17 - Auzeville 31226 Castanet Tolosan France Email Frank Bedon - Jacqueline Grima-Pettenati - grima@ John Mackay - jmackay@ Corresponding author Published 30 March 2007 Received 31 July 2006 BMC Plant Biology 2007 7 17 doi 1471-2229-7-17 Accepted 30 March 2007 This article is available from http 1471-2229 7 17 2007 Bedon et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Several members of the R2R3-MYB family of transcription factors act as regulators of lignin and phenylpropanoid metabolism during wood formation in angiosperm and gymnosperm plants. The angiosperm Arabidopsis has over one hundred R2R3-MYBs genes however only a few members of this family have been discovered in gymnosperms. Results We isolated and characterised full-length cDNAs encoding R2R3-MYB genes from the gymnosperms white spruce Picea glauca 13 sequences and loblolly pine Pinus taeda L. five sequences . Sequence similarities and phylogenetic analyses placed the spruce and pine sequences in diverse subgroups of the large R2R3-MYB family although several of the sequences clustered closely together. We searched the highly variable C-terminal region of diverse plant .

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