title: Peddling the nitrogen cycle.
authors.forename: Lisa
authors.initials: L
authors.lastname: Crossman
authors.forename: Nicholas
authors.initials: N
authors.lastname: Thomson
mesh_terms: D016680:Genome, Bacterial; D020071:Interspersed Repetitive Sequences; D009586:Nitrogen Fixation / Q000235:genetics*; D010957:Plasmids; D016961:Rhizobium leguminosarum / Q000235:genetics* / Q000502:physiology; D012988:Soil Microbiology