title: Rhizobia (with particular reference to relationships with host plants).
mesh_terms: D001439:Bacteroides / Q000201:enzymology; D002118:Calcium / Q000378:metabolism; D002455:Cell Division; D004261:DNA Replication; D004790:Enzyme Induction; D006863:Hydrogen-Ion Concentration; D007210:Indoleacetic Acids / Q000494:pharmacology; D007239:Infections; D009586:Nitrogen Fixation; D010944:Plants / Q000201:enzymology; D012231:Rhizobium / Q000145:classification / Q000254:growth & development / Q000276:immunology / Q000378:metabolism; D012287:Rickettsiaceae / Q000201:enzymology; D013559:Symbiosis
chemical_list: D007210:Indoleacetic Acids; D002118:Calcium