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@ARTICLE{Ainsworth:52810,
author = {Ainsworth, E. A. and Rogers, A. and Vodkin, L. O. and
Walter, A. and Schurr, U.},
title = {{T}he effects of elevated {CO}2 concentration on soybean
gene expression. {A}n analysis of growing and mature leaves},
journal = {Plant physiology},
volume = {142},
issn = {0032-0889},
address = {Rockville, Md.: Soc.},
publisher = {JSTOR},
reportid = {PreJuSER-52810},
pages = {135 - 147},
year = {2006},
note = {Record converted from VDB: 12.11.2012},
abstract = {Improvements in carbon assimilation and water-use
efficiency lead to increases in maximum leaf area index at
elevated carbon dioxide concentration ([CO(2)]); however,
the molecular drivers for this increase are unknown. We
investigated the molecular basis for changes in leaf
development at elevated [CO(2)] using soybeans (Glycine max)
grown under fully open air conditions at the Soybean Free
Air CO(2) Enrichment (SoyFACE) facility. The transcriptome
responses of rapidly growing and fully expanded leaves to
elevated [CO(2)] were investigated using cDNA microarrays.
We identified 1,146 transcripts that showed a significant
change in expression in growing versus fully expanded
leaves. Transcripts for ribosomal proteins, cell cycle, and
cell wall loosening, necessary for cytoplasmic growth and
cell proliferation, were highly expressed in growing leaves.
We further identified 139 transcripts with a significant
[CO(2)] by development interaction. Clustering of these
transcripts showed that transcripts involved in cell growth
and cell proliferation were more highly expressed in growing
leaves that developed at elevated [CO(2)] compared to
growing leaves that developed at ambient [CO(2)]. The 327
[CO(2)]-responsive genes largely suggest that elevated
[CO(2)] stimulates the respiratory breakdown of
carbohydrates, which provides increased energy and
biochemical precursors for leaf expansion and growth at
elevated [CO(2)]. While increased photosynthesis and
carbohydrate production at elevated [CO(2)] are well
documented, this research demonstrates that at the
transcript and metabolite level, respiratory breakdown of
starch is also increased at elevated [CO(2)].},
keywords = {Carbon Dioxide: physiology / Gene Expression Profiling /
Gene Expression Regulation, Plant / Genes, Plant /
Oligonucleotide Array Sequence Analysis / Plant Leaves:
growth $\&$ development / Plant Leaves: metabolism /
Soybeans: genetics / Soybeans: growth $\&$ development /
Carbon Dioxide (NLM Chemicals) / J (WoSType)},
cin = {ICG-III / JARA-ENERGY},
ddc = {580},
cid = {I:(DE-Juel1)VDB49 / $I:(DE-82)080011_20140620$},
pnm = {Terrestrische Umwelt},
pid = {G:(DE-Juel1)FUEK407},
shelfmark = {Plant Sciences},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:16877698},
pmc = {pmc:PMC1557602},
UT = {WOS:000240331400015},
doi = {10.1104/pp.106.086256},
url = {https://juser.fz-juelich.de/record/52810},
}