Article
Nitrate Controls Root Development through Posttranscriptional Regulation of the NRT1.1/NPF6.3 Transporter/Sensor.
Plant physiology - 1 Oct 2016
Bouguyon Eléonore, Perrine-Walker Francine, Pervent Marjorie, Rochette Juliette, Cuesta Candela, Benkova Eva, Martinière Alexandre, Bach Lien, Krouk Gabriel, Gojon Alain, Nacry Philippe
Abstract excerpt
Plants are able to modulate root growth and development to optimize their nitrogen nutrition. In Arabidopsis (Arabidopsis thaliana), the adaptive root response to nitrate (NO3-) depends on the NRT1.1/NPF6.3 transporter/sensor. NRT1.1 represses emergence of lateral root primordia (LRPs) at low concentration or absence of NO3- through its auxin transport activity that lowers auxin accumulation in LR. However, these...
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