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Comparison of nod box sequences in promoter regions of nodulation genes from five South American Burkholderia strains and C. taiwanensis strain LMG19424. Footnotes: a, Cupriavidus taivanensis LMG19424; b, the consensus nod box sequence (30) is located in the promoter regions of nodulation genes of various rhizobia, including Rhizobium, Sinorhizobium, Mesorhizobium, Bradyrhizobium, and Azorhizobium spp.
