Journal Article Review Arabidopsis Proteins Research Support, Non-U.S. Gov't N762921K75 Nitrates Nitrogen Transcription Factors nitrogen Anion Transport Proteins Arabidopsis Arabidopsis thaliana Barley Brachypodium DNA-Binding Proteins EC 2.7.11.24 Gene expression MAPK Mitogen-Activated Protein Kinases NLP Nitrate Transporters Nutrients RKD proteins RWP-RK family Signaling Soil Transcription factors cell wall genomics nitrate signalling