Article
Disruption of the nitrate transporter genes AtNRT2.1 and AtNRT2.2 restricts growth at low external nitrate concentration.
Planta - 1 Aug 2004
Orsel Mathilde, Eulenburg Katharina, Krapp Anne, Daniel-Vedele Françoise
Abstract excerpt
The high-affinity transport systems in Arabidopsis thaliana (L.) Heynh. involve potentially seven genes. Among these, the AtNRT2.1 and/or AtNRT2.2 genes have been shown to play a major role in the inducible component of this transport system. The physiological impact of a disruption of AtNRT2.1 and AtNRT2.2 on plant growth and N-metabolism was investigated. The reduced nitrate uptake in the mutant under a...
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