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이위영 ( Wi Young Lee ),박웅준 ( Eung Jun Park ),한상억 ( Sang Urk Han ) 한국산림과학회 2012 한국산림과학회지 Vol.101 No.4
A metabolomic study was conducted to identify key metabolic components which are correlated with the growth of 4-years-old Pinus koraiensis seedlings harvested at actively height growing season (May 18th). Among 105 individual metabolites identified by GC/MS analysis alanine threonine oleic acid and butanoic acids were negatively correlated with both height and weight of 4-year-old seedlings while malic acid xylose glucose d-turanose and inositol had positive correlation with various growth parameters. During the actively growing season the concentrations of both amino acids and organic acids in the main stem of superior seedling group were lower but the photosynthates such as mono-saccharide and sucrose were higher than in other seedling groups such as Intermediate and Inferior. Interestingly d-turanose an analogue of sucrose that is not metabolized in higher plants but used as carbon source by many organisms including numerous species of bacteria and fungi showed the highest correlation (r=0.896, p<0.001) with height of 4-year-old seedlings indicating that possible interaction with mycorrhizal organisms. Therefore we suggest that several metabolites selected in this study may be used as metabolic markers for complex traits in P. koraiensis.