Title : The effect of endogenous and externally supplied nitrate on nitrate uptake and reduction in sugarbeet seedlings.

Pub. Date : 1990 Sep

PMID : 24197091






3 Functional Relationships(s)
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1 Seedlings germinated from seeds (pericarp was removed) without external N-supply are able to take up nitrate immediately upon exposure via a low-capacity uptake system (vmax = 0.8 mumol NO 3 (-) (g root FW)(-1) h(-1); Ks = 0.12 mM). Nitrates NBL1, DAN family BMP antagonist Homo sapiens
2 Induction of a high-capacity nitrate-uptake system (vmax = 3.4 mumol NO 3 (-) (g root FW)(-1) h(-1); Ks = 0.08 mM) by externally supplied nitrate occurs after a 20-min lag and requires protein synthesis. Nitrates NBL1, DAN family BMP antagonist Homo sapiens
3 Induction of a high-capacity nitrate-uptake system (vmax = 3.4 mumol NO 3 (-) (g root FW)(-1) h(-1); Ks = 0.08 mM) by externally supplied nitrate occurs after a 20-min lag and requires protein synthesis. Nitrates NBL1, DAN family BMP antagonist Homo sapiens