Apparently, some endophytic strains of the Lupinus are capable of degradation of organic compounds as a source of carbon, including pesticides (?). You should check this article as a beginning : http://www.ncbi.nlm.nih.gov/pubmed/24912107
Distribution of culturable endophytic bacteria in aquatic plants and their potential for bioremediation in polluted waters. AQUATIC BIOLOGY. Vol. 15: 99–110, 2012 doi: 10.3354/ab00422