Protein Phosphorylation Dynamics Under Carbon/Nitrogen-Nutrient Stress and Identification of a Cell Death-Related Receptor-Like Kinase in Arabidopsis
Xingwen Li, Miho Sanagi, Lu Yu, Yuko Nomura, Sara Christina Stolze, Shigetaka Yasuda, Yusuke Saijo, Waltraud X. Schulze, Regina Feil, Mark Stitt, John E. Lunn, Hirofumi Nakagami, Takeo Sato, Junji Yamaguchi
Abstract
-ATPase, carbon and nitrogen metabolic enzymes and signaling proteins such as protein kinases and transcription factors. Further analyses suggested that SNF1-related protein kinase 1 (SnRK1) is involved in primary C/N-nutrient signal mediation via the transcriptional regulation of C/N-regulatory kinases. We also identified a leucine-rich repeat receptor-like kinase with extracellular malectin-like domain, named as LMK1, which was shown to possess cell death induction activity in plant leaves. These results provide important insight into the C/N-nutrient signaling pathways connecting nutrition stress to various cellular and physiological processes in plants.