Rhizobium leguminosarum bv. trifolii rosR is required for interaction with clover,biofilm formation and adaptation to the environment |
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Authors: | Monika Janczarek Jolanta Kutkowska Tomasz Piersiak Anna Skorupska |
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Affiliation: | 1.Department of Genetics and Microbiology,University of M. Curie-Sk?odowska,Lublin,Poland;2.Department of Comparative Anatomy and Anthropology,University of M. Curie-Sk?odowska,Lublin,Poland |
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Abstract: | Background Rhizobium leguminosarum bv. trifolii is a symbiotic nitrogen-fixing bacterium that elicits nodules on roots of host plants Trifolium spp. Bacterial surface polysaccharides are crucial for establishment of a successful symbiosis with legumes that form indeterminate-type nodules, such as Trifolium, Pisum, Vicia, and Medicago spp. and aid the bacterium in withstanding osmotic and other environmental stresses. Recently, the R. leguminosarum bv. trifolii RosR regulatory protein which controls exopolysaccharide production has been identified and characterized. |
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