tailieunhanh - báo cáo khoa học: " Glycosylation-mediated phenylpropanoid partitioning in Populus tremuloides cell cultures"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Glycosylation-mediated phenylpropanoid partitioning in Populus tremuloides cell cultures | BMC Plant Biology BioMed Central Research article Open Access Glycosylation-mediated phenylpropanoid partitioning in Populus tremuloides cell cultures Raja S Payyavula1 2 4 Benjamin A Babst1 2 Matthew P Nelsen1 5 Scott A Harding1 2 and Chung-Jui Tsai 1 2 3 Address School of Forest Resources and Environmental Science Michigan Technological University Houghton MI 49931 USA 2Warnell School of Forestry and Natural Resources University of Georgia Athens GA 30602 USA 3Department of Genetics University of Georgia Athens GA 30602 USA 4Current address United States Department of Agriculture Agricultural Research Services Prosser WA 99350 USA and 5Current address Committee on Evolutionary Biology University of Chicago Chicago IL 60637 USA Email Raja S Payyavula - rpayyavula@ Benjamin A Babst - bbabst@ Matthew P Nelsen - mpnelsen@ Scott A Harding - sharding@ Chung-Jui Tsai - cjtsai@ Corresponding author Published 29 December 2009 Received 4 October 2009 BMC Plant Biology 2009 9 151 doi 1471-2229-9-151 Accepted 29 December 2009 This article is available from http 1471-2229 9 151 2009 Payyavula 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 Phenylpropanoid-derived phenolic glycosides PGs and condensed tannins CTs comprise large multi-purpose non-structural carbon sinks in Populus. A negative correlation between PG and CT concentrations has been observed in several studies. However the molecular mechanism underlying the relationship is not known. Results Populus cell cultures produce CTs but not PGs under normal conditions. Feeding salicyl alcohol resulted in accumulation of salicins the simplest PG in the .

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