A toggle switch in plant nitrate uptake.
In plants, the uptake of nitrate from the soil is a critical process controlled by complex regulatory networks that target nitrate transporters in the roots. In this issue, Ho et al. (2009) show that phosphorylation of the CHL1 nitrate transporter allows the plant root to sense and respond to different nitrate concentrations in the soil.
Vert
Grégory
G
BPMP, CNRS UMR 5004, 34060 Montpellier Cedex 1, France. gregory.vert@supagro.inra.fr
Chory
Joanne
J
D027321:Anion Transport Proteins / Q000378:metabolism; D017360:Arabidopsis / Q000378:metabolism*; D001692:Biological Transport / Q000235:genetics; D009566:Nitrates / Q000378:metabolism*; D010766:Phosphorylation; D010940:Plant Proteins / Q000378:metabolism; D018517:Plant Roots / Q000378:metabolism
D027321:Anion Transport Proteins; C101492:NRT1.1 protein, Arabidopsis; D009566:Nitrates; D010940:Plant Proteins