TAILIEUCHUNG - báo cáo khoa học: " Genome-wide analysis of Aux/IAA and ARF gene families in Populus trichocarpa"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Genome-wide analysis of Aux/IAA and ARF gene families in Populus trichocarpa | BMC Plant Biology BioMed Central Research article Open Access Genome-wide analysis of Aux IAA and ARF gene families in Populus trichocarpa Udaya C Kalluri 1 Stephen P DiFazio2 Amy M Brunner3 and Gerald A Tuskan1 Address Environmental Sciences Division Oak Ridge National Laboratory PO Box 2008 Oak Ridge TN 37831 USA 2Department of Biology West Virginia University PO Box 6057 Morgantown WV 26506 USA and 3Department of Forestry Virginia Polytechnic Institute and State University 448 Latham Hall Blacksburg VA 24061 USA Email Udaya C Kalluri - kalluriudayc@ Stephen P DiFazio - spdifazio@ Amy M Brunner - abrunner@ Gerald ATuskan - tuskanga@ Corresponding author Published 6 November 2007 BMC Plant Biology 2007 7 59 doi l47l-2229-7-59 Received 14 March 2007 Accepted 6 November 2007 This article is available from http 147l-2229 7 59 2007 Kalluri 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 Auxin Indole-3-Acetic Acid Aux IAA and Auxin Response Factor ARF transcription factors are key regulators of auxin responses in plants. We identified the suites of genes in the two gene families in Populus and performed comparative genomic analysis with Arabidopsis and rice. Results A total of 35 Aux IAA and 39 ARF genes were identified in the Populus genome. Comparative phylogenetic analysis revealed that several Aux IAA and ARF subgroups have differentially expanded or contracted between the two dicotyledonous plants. Activator ARF genes were found to be two fold-overrepresented in the Populus genome. PoptrIAA and PoptrARF gene families appear to have expanded due to high .

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