Title : Mutation of the Arabidopsis NRT1.5 nitrate transporter causes defective root-to-shoot nitrate transport.

Pub. Date : 2008 Sep

PMID : 18780802






11 Functional Relationships(s)
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1 Mutation of the Arabidopsis NRT1.5 nitrate transporter causes defective root-to-shoot nitrate transport. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
2 NRT1.5 is one of the 53 Arabidopsis thaliana nitrate transporter NRT1 (Peptide Transporter PTR) genes, of which two members, NRT1.1 (CHL1 for Chlorate resistant 1) and NRT1.2, have been shown to be involved in nitrate uptake. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
3 NRT1.5 is one of the 53 Arabidopsis thaliana nitrate transporter NRT1 (Peptide Transporter PTR) genes, of which two members, NRT1.1 (CHL1 for Chlorate resistant 1) and NRT1.2, have been shown to be involved in nitrate uptake. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
4 NRT1.5 is one of the 53 Arabidopsis thaliana nitrate transporter NRT1 (Peptide Transporter PTR) genes, of which two members, NRT1.1 (CHL1 for Chlorate resistant 1) and NRT1.2, have been shown to be involved in nitrate uptake. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
5 NRT1.5 is one of the 53 Arabidopsis thaliana nitrate transporter NRT1 (Peptide Transporter PTR) genes, of which two members, NRT1.1 (CHL1 for Chlorate resistant 1) and NRT1.2, have been shown to be involved in nitrate uptake. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
6 Knockdown or knockout mutations of NRT1.5 reduced the amount of nitrate transported from the root to the shoot, suggesting that NRT1.5 participates in root xylem loading of nitrate. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
7 Knockdown or knockout mutations of NRT1.5 reduced the amount of nitrate transported from the root to the shoot, suggesting that NRT1.5 participates in root xylem loading of nitrate. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
8 Knockdown or knockout mutations of NRT1.5 reduced the amount of nitrate transported from the root to the shoot, suggesting that NRT1.5 participates in root xylem loading of nitrate. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
9 Knockdown or knockout mutations of NRT1.5 reduced the amount of nitrate transported from the root to the shoot, suggesting that NRT1.5 participates in root xylem loading of nitrate. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
10 These data suggest that, in addition to that involving NRT1.5, another mechanism is responsible for xylem loading of nitrate. Nitrates nitrate transporter 1.1 Arabidopsis thaliana
11 Further analyses of the nrt1.5 mutants revealed a regulatory loop between nitrate and potassium at the xylem transport step. Nitrates nitrate transporter 1.1 Arabidopsis thaliana