期刊
TRENDS IN PLANT SCIENCE
卷 16, 期 9, 页码 499-506出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2011.05.010
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资金
- Universite Paris-Sud 11
- Centre National de la Recherche Scientifique (CNRS)
- Agence Nationale de la Recherche [08-330055]
Natural C-13 abundance is now an unavoidable tool to study ecosystem and plant carbon economies. A growing number of studies take advantage of isotopic fractionation between carbon pools or C-13 abundance in respiratory CO2 to examine the carbon source of respiration, plant biomass production or organic matter sequestration in soils. C-12/C-13 isotope effects associated with plant metabolism are thus essential to understand natural isotopic signals. However, isotope effects of enzymes do not influence metabolites separately, but combine to yield a C-12/C-13 isotopologue redistribution orchestrated by metabolic flux patterns. In this review, we summarise key metabolic isotope effects and integrate them into the corpus of plant primary carbon metabolism.
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