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Article

Elevated CO(2) modifies N acquisition of Medicago truncatula by enhancing N fixation and reducing nitrate uptake from soil.

PloS one - 1 Jan 2013

Guo Huijuan, Sun Yucheng, Li Yuefei, Liu Xianghui, Ren Qin, Zhu-Salzman Keyan, Ge Feng

Abstract excerpt

The effects of elevated CO2 (750 ppm vs. 390 ppm) were evaluated on nitrogen (N) acquisition and assimilation by three Medicago truncatula genotypes, including two N-fixing-deficient mutants (dnf1-1 and dnf1-2) and their wild-type (Jemalong). The proportion of N acquisition from atmosphere and soil were quantified by (15)N stable isotope, and N transportation and assimilation-related genes and enzymes were...

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Identifiers

PMID: 24339920
DOI: 10.1371/journal.pone.0081373
PMCID: PMC3855279

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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