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Physiological Aspects of Cluster Root Function and Development in Phosphorus-deficient White Lupin (Lupinus albus L.)

Neumann, Günter ; Massonneau, Agnès ; Langlade, Nicolas ; Dinkelaker, Barbara ; Hengeler, Christine ; Römheld, Volker ; Martinoia, Enrico

In: Annals of Botany, 2000, vol. 85, no. 6, p. 909-919

White lupin has developed a complex strategy to limit microbial degradation of secreted citrate required for phosphate acquisition

Weisskopf, Laure ; Abou-Mansour, Eliane ; Fromin, Nathalie ; Tomasi, Nicola ; Santelia, Diana ; Edelkott, Iris ; Neumann, Günter ; Aragno, Michel ; Tabacchi, Raphael ; Martinoia, Enrico

In: Plant, Cell & Environment, 2006, vol. 29, no. 5, p. 917-927

White lupins (Lupinus albus L.) respond to phosphate deficiency by producing special root structures called cluster roots. These cluster roots secrete large amounts of carboxylates into the rhizosphere, mostly citrate and malate, which act as phosphate solubilizers and enable the plant to grow in soils with sparingly available phosphate. The success and efficiency of such a P-acquisition...