Unexpectedly low nitrogen acquisition and absence of root architecture adaptation to nitrate supply in a Medicago truncatula highly branched root mutant

Physiological and developmental analyses provide evidence that the highly branched root architecture of a mutant results from systemic regulation by its nitrogen status, possibly involving glutamine or asparagine signals.

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Veröffentlicht in:	Journal of experimental botany 2014-06, Vol.65 (9), p.2365-2380
Hauptverfasser:	Bourion, Virginie, Martin, Chantal, de Larambergue, Henri, Jacquin, Françoise, Aubert, Grégoire, Martin-Magniette, Marie-Laure, Balzergue, Sandrine, Lescure, Geoffroy, Citerne, Sylvie, Lepetit, Marc, Munier-Jolain, Nathalie, Salon, Christophe, Duc, Gérard
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acids Amino Acids - metabolism anatomy & histology Architecture asparagine Auxins Gene expression Genes genetics Genotypes Germination glutamine growth & development Life Sciences Medicago truncatula Medicago truncatula - anatomy & histology Medicago truncatula - genetics Medicago truncatula - growth & development Medicago truncatula - metabolism metabolism mutants Nitrates Nitrates - metabolism Nitrogen Nitrogen - metabolism Plant Proteins Plant Proteins - metabolism Plant Roots Plant Roots - anatomy & histology Plant Roots - genetics Plant Roots - growth & development Plant Roots - metabolism Research Paper RESEARCH PAPERS
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Beschreibung
Zusammenfassung:	Physiological and developmental analyses provide evidence that the highly branched root architecture of a mutant results from systemic regulation by its nitrogen status, possibly involving glutamine or asparagine signals.
ISSN:	0022-0957 1460-2431
DOI:	10.1093/jxb/eru124