Evaluation of acidic heteropolysaccharide structures in Rhizobium leguminosarum biovars altered in nodulation genes and host range.


1H-NMR spectroscopy showed that the extracellular heterpolysaccharides (EPS) from derivatives of Rhizobium leguminosarum bv. trifolii ANU843 altered in pSym nod composition or function (transposon insertions, deletion of pSym, induction by flavone, and introduction of cloned pSym nod regions from ANU843 and R. l. bv. viciae 248 on recombinant plasmids into… (More)


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