American Phytopathological Society, Molecular Plant-Microbe Interactions, 5(10), p. 683-687, 1997
DOI: 10.1094/mpmi.1997.10.5.683
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In addition to the previously described arabinosylated Nod factors, Azorhizobium caulinodans can also produce fucosylated Nod factors and Nod factors that are both arabinosylated and fucosylated. The presence of a plasmid carrying extra copies of a subset of nod genes as well as bacterial growth conditions influence the relative proportion of carbamoylated, fucosylated, and arabinosylated Nod factors. By using a root hair formation assay, we demonstrate that the Nod factor glycosylations are important for biological activity on Sesbania rostrata roots.