Figure 2From: Nitrogen-driven stem elongation in poplar is linked with wood modification and gene clusters for stress, photosynthesis and cell wall formationThree main complexes of an N-responsive network in the elongation zone of P . trichocarpa. Gene-gene relationships were obtained in Popgenie v3.0 (http://popgenie.org/) using the PopNet tool. The network was visualized in Cytoscape.Back to article page