research Signaling and Gene Expression for Water-Tolerant Legume Nodulation 22 citations , August 2006 in “Critical Reviews in Plant Sciences” The tropical legume Sesbania rostrata can form nodules in waterlogged conditions using a different method that involves plant hormones and specific genes.
research Unraveling the Molecular Basis for Symbiotic Signal Transduction in Legumes 27 citations , March 2006 in “Molecular Plant Pathology” Legumes use flavonoids to start a process with rhizobia for nitrogen fixation, involving specific genes and proteins.