Document Detail

Utilization of polar metabolite profiling in the comparison of juvenile wood and compression wood in loblolly pine (Pinus taeda).
MedLine Citation:
PMID:  16877334     Owner:  NLM     Status:  MEDLINE    
Juvenile wood (JW) of conifers is often associated with compression wood (CW), with which it is sometimes believed to be identical. To determine whether JW and CW can be distinguished metabolically, we compared gas chromatographic profiles of 25 polar metabolites from rooted cuttings of a single loblolly pine (Pinus taeda L.) clone raised in controlled environment chambers and subject to three treatments: (1) grown erect with minimal wind sway (control); (2) swayed by wind from oscillating fans; and (3) with 30-cm growth increments successively bent at an angle of 45 degrees to the vertical. Profiles were compared by principal component analysis. Substantial increases in abundances of coniferin and p-glucocoumaryl alcohol separated immature JW-forming xylem tissues of the control trees from the CW-forming xylem of the bent and swayed trees.
Ting-Feng Yeh; Cameron R Morris; Barry Goldfarb; Hou-Min Chang; John F Kadla
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Tree physiology     Volume:  26     ISSN:  0829-318X     ISO Abbreviation:  Tree Physiol.     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2006-07-31     Completed Date:  2007-04-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100955338     Medline TA:  Tree Physiol     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  1497-503     Citation Subset:  IM    
Department of Wood and Paper Science, North Carolina State University, Raleigh, NC 27695, USA.
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MeSH Terms
Carbohydrates / analysis
Carboxylic Acids / analysis
Pinus taeda / chemistry,  classification,  metabolism*
Plant Stems / physiology
Wood / chemistry,  classification,  physiology*
Reg. No./Substance:
0/Carbohydrates; 0/Carboxylic Acids

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