Boivin, C. Rhizobium meliloti Genes Encoding Catabolism of Trigonelline Are Induced under Symbiotic Conditions. [electronic resource] - The Plant cell Dec 1990 - 1157-1170 p. digital Publication Type: Journal Article ISSN: 1532-298X Standard No.: 10.1105/tpc.2.12.1157 doi