5 (+?) independent plant lineages evolved to text the same bacteria for nitrogen. we just need to learn the language they're using. www.cell.com/trends/plant...

Plant–cyanobacterial symbioses: mutualism with emerging translational possibilitiesEngineering rhizobial–plant nitrogen fixation in crops is a major goal in plant synthetic biology. We propose expanding efforts to plant–cyanobacterial symbioses as an alternative path. Targeting the ...www.cell.com