Summary
Rhizobium bacteria form nitrogen-fixing root nodules on legume plants. This process requires the induction and expression of genes in both partners. After cloning of the nod hsn region from the pSym of R. meliloti we introduced this region in A. brasilense. Using the plate method we analv sed the phenotype induced on root hairs of maize and alfalfa by this transconjugant. When plasmid pPF1 was mobilized into A. brasilense AB11 the transconjugant caused a significant increase in root hair deformation, in comparison with the wild type, both on maize and alfalfa. The meaning of the nod genes expression in the heterologous bacterial host is discussed.
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Piana, L., Delledonne, M., Antonelli, M.N., Fogher, C. (1988). Root Hair Deformation Induced on Maize and Medicago by an Azospirillum Transconjugant Containing a Rhizobium Meliloti Nodulation Region. In: Klingmüller, W. (eds) Azospirillum IV. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-73072-6_11
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DOI: https://doi.org/10.1007/978-3-642-73072-6_11
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