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|a DE-627
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|a eng
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|a Robinson, Andrew R
|e verfasserin
|4 aut
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|a The potential of metabolite profiling as a selection tool for genotype discrimination in Populus
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 10.01.2006
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|a Date Revised 15.11.2006
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Differences between wild-type Populus tremulaxalba and two transgenic lines with modified lignin monomer composition, were interrogated using metabolic profiling. Analysis of metabolite abundance data by GC-MS, coupled with principal components analysis (PCA), successfully differentiated between lines that had distinct phenotypes, whether samples were taken from the cambial zone or non-lignifying suspension tissue cultures. Interestingly, the GC-MS analysis detected relatively few phenolic metabolites in cambial extracts, although a single metabolite associated with the differentiation between lines was directly related to the phenylpropanoid pathway or other down-stream aspects of lignin biosynthesis. In fact, carbohydrates, which have only an indirect relationship with the modified lignin monomer composition, featured strongly in the line-differentiating aspects of the statistical analysis. Traditional HPLC analysis was employed to verify the GC-MS data. These findings demonstrate that metabolic traits can be dissected reliably and accurately by metabolomic analyses, enabling the discrimination of individual genotypes of the same tree species that exhibit marked differences in industrially relevant wood traits. Furthermore, this validates the potential of using metabolite profiling techniques for marker generation in the context of plant/tree breeding for industrial applications
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Lignin
|2 NLM
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|a 9005-53-2
|2 NLM
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| 700 |
1 |
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|a Gheneim, Rana
|e verfasserin
|4 aut
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|a Kozak, Robert A
|e verfasserin
|4 aut
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|a Ellis, Dave D
|e verfasserin
|4 aut
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| 700 |
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|a Mansfield, Shawn D
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 56(2005), 421 vom: 24. Nov., Seite 2807-19
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|x 0022-0957
|7 nnns
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|g volume:56
|g year:2005
|g number:421
|g day:24
|g month:11
|g pages:2807-19
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