A metabolomic assessment of NAC154 transcription factor overexpression in field grown poplar stem wood.
Identifieur interne : 001D80 ( Main/Corpus ); précédent : 001D79; suivant : 001D81A metabolomic assessment of NAC154 transcription factor overexpression in field grown poplar stem wood.
Auteurs : Judith Jervis ; Sherry B. Hildreth ; Xiaoyan Sheng ; Eric P. Beers ; Amy M. Brunner ; Richard F. HelmSource :
- Phytochemistry [ 1873-3700 ] ; 2015.
English descriptors
- KwdEn :
- Arabidopsis (genetics), Arabidopsis (metabolism), Metabolomics (MeSH), Molecular Structure (MeSH), Plant Proteins (genetics), Plant Proteins (metabolism), Plant Stems (metabolism), Plants, Genetically Modified (metabolism), Populus (chemistry), Populus (genetics), Salicaceae (chemistry), Transcription Factors (genetics), Transcription Factors (metabolism), Wood (metabolism), Xylem (metabolism).
- MESH :
- chemical , genetics : Plant Proteins, Transcription Factors.
- chemistry : Populus, Salicaceae.
- genetics : Arabidopsis, Populus.
- metabolism : Arabidopsis, Plant Proteins, Plant Stems, Plants, Genetically Modified, Transcription Factors, Wood, Xylem.
- Metabolomics, Molecular Structure.
Abstract
Several xylem-associated regulatory genes have been identified that control processes associated with wood formation in poplar. Prominent among these are the NAC domain transcription factors (NACs). Here, the putative involvement of Populus NAC154, a co-ortholog of the Arabidopsis gene SND2, was evaluated as a regulator of "secondary" biosynthetic processes in stem internode tissues by interrogating aqueous methanolic extracts from control and transgenic trees. Comprehensive untargeted metabolite profiling was accomplished with a liquid chromatography-mass spectrometry platform that utilized two different chromatographic supports (HILIC and reversed phase) and both positive and negative ionization modes. Evaluation of current and previous year tissues provided datasets for assessing the effects of NAC154 overexpression in wood maturation processes. Phenolic glycoside levels as well as those of oligolignols, sucrose and arginine were modulated with phenotypic and chemotypic traits exhibiting similar trends. Specifically, increased levels of arginine in the NAC154 overexpressing tissues supports a role for the transcription factor in senescence/dormancy-associated processes.
DOI: 10.1016/j.phytochem.2015.02.013
PubMed: 25771508
Links to Exploration step
pubmed:25771508Le document en format XML
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<author><name sortKey="Jervis, Judith" sort="Jervis, Judith" uniqKey="Jervis J" first="Judith" last="Jervis">Judith Jervis</name>
<affiliation><nlm:affiliation>Department of Biochemistry, Virginia Tech, Blacksburg, VA 24061, USA.</nlm:affiliation>
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<author><name sortKey="Hildreth, Sherry B" sort="Hildreth, Sherry B" uniqKey="Hildreth S" first="Sherry B" last="Hildreth">Sherry B. Hildreth</name>
<affiliation><nlm:affiliation>Department of Biological Sciences, Virginia Tech, Blacksburg, VA 24061, USA.</nlm:affiliation>
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<author><name sortKey="Sheng, Xiaoyan" sort="Sheng, Xiaoyan" uniqKey="Sheng X" first="Xiaoyan" last="Sheng">Xiaoyan Sheng</name>
<affiliation><nlm:affiliation>Department of Forest Resources and Environmental Conservation, Virginia Tech, Blacksburg, VA 24061, USA.</nlm:affiliation>
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<author><name sortKey="Beers, Eric P" sort="Beers, Eric P" uniqKey="Beers E" first="Eric P" last="Beers">Eric P. Beers</name>
<affiliation><nlm:affiliation>Department of Horticulture, Virginia Tech, Blacksburg, VA 24061, USA.</nlm:affiliation>
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<author><name sortKey="Brunner, Amy M" sort="Brunner, Amy M" uniqKey="Brunner A" first="Amy M" last="Brunner">Amy M. Brunner</name>
<affiliation><nlm:affiliation>Department of Forest Resources and Environmental Conservation, Virginia Tech, Blacksburg, VA 24061, USA.</nlm:affiliation>
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<author><name sortKey="Helm, Richard F" sort="Helm, Richard F" uniqKey="Helm R" first="Richard F" last="Helm">Richard F. Helm</name>
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<author><name sortKey="Hildreth, Sherry B" sort="Hildreth, Sherry B" uniqKey="Hildreth S" first="Sherry B" last="Hildreth">Sherry B. Hildreth</name>
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<author><name sortKey="Sheng, Xiaoyan" sort="Sheng, Xiaoyan" uniqKey="Sheng X" first="Xiaoyan" last="Sheng">Xiaoyan Sheng</name>
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<author><name sortKey="Beers, Eric P" sort="Beers, Eric P" uniqKey="Beers E" first="Eric P" last="Beers">Eric P. Beers</name>
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<author><name sortKey="Brunner, Amy M" sort="Brunner, Amy M" uniqKey="Brunner A" first="Amy M" last="Brunner">Amy M. Brunner</name>
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<series><title level="j">Phytochemistry</title>
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<term>Molecular Structure (MeSH)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (metabolism)</term>
<term>Plant Stems (metabolism)</term>
<term>Plants, Genetically Modified (metabolism)</term>
<term>Populus (chemistry)</term>
<term>Populus (genetics)</term>
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<term>Transcription Factors (metabolism)</term>
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<term>Populus</term>
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<term>Plant Proteins</term>
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<term>Transcription Factors</term>
<term>Wood</term>
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<front><div type="abstract" xml:lang="en">Several xylem-associated regulatory genes have been identified that control processes associated with wood formation in poplar. Prominent among these are the NAC domain transcription factors (NACs). Here, the putative involvement of Populus NAC154, a co-ortholog of the Arabidopsis gene SND2, was evaluated as a regulator of "secondary" biosynthetic processes in stem internode tissues by interrogating aqueous methanolic extracts from control and transgenic trees. Comprehensive untargeted metabolite profiling was accomplished with a liquid chromatography-mass spectrometry platform that utilized two different chromatographic supports (HILIC and reversed phase) and both positive and negative ionization modes. Evaluation of current and previous year tissues provided datasets for assessing the effects of NAC154 overexpression in wood maturation processes. Phenolic glycoside levels as well as those of oligolignols, sucrose and arginine were modulated with phenotypic and chemotypic traits exhibiting similar trends. Specifically, increased levels of arginine in the NAC154 overexpressing tissues supports a role for the transcription factor in senescence/dormancy-associated processes. </div>
</front>
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<ArticleTitle>A metabolomic assessment of NAC154 transcription factor overexpression in field grown poplar stem wood.</ArticleTitle>
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<Abstract><AbstractText>Several xylem-associated regulatory genes have been identified that control processes associated with wood formation in poplar. Prominent among these are the NAC domain transcription factors (NACs). Here, the putative involvement of Populus NAC154, a co-ortholog of the Arabidopsis gene SND2, was evaluated as a regulator of "secondary" biosynthetic processes in stem internode tissues by interrogating aqueous methanolic extracts from control and transgenic trees. Comprehensive untargeted metabolite profiling was accomplished with a liquid chromatography-mass spectrometry platform that utilized two different chromatographic supports (HILIC and reversed phase) and both positive and negative ionization modes. Evaluation of current and previous year tissues provided datasets for assessing the effects of NAC154 overexpression in wood maturation processes. Phenolic glycoside levels as well as those of oligolignols, sucrose and arginine were modulated with phenotypic and chemotypic traits exhibiting similar trends. Specifically, increased levels of arginine in the NAC154 overexpressing tissues supports a role for the transcription factor in senescence/dormancy-associated processes. </AbstractText>
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