Isolation and characterization of an extremely heavy metal tolerant Sinorhizobium meliloti, utilizable for reclamation of polluted soils Journal title: Journal of Biodiversity and Environmental Sciences (JBES) Authors: Seyyed Mahdi Hosseinian, Shiva Khaledzadeh, Sara Nosrati, Ahmad Golchin, Esmail Memar-Kochehbagh Subject(s): Biological Sciences, Environmental Sciences, Biology