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Table 3 nod gene expression in S. meliloti GR4 with different concentrations of N-acetyl glucosamine.

From: The tep1 gene of Sinorhizobium meliloti coding for a putative transmembrane efflux protein and N-acetyl glucosamine affect nod gene expression and nodulation of alfalfa plants

mM NAGA β-galactosidase activity (Miller U)
0 828 ± 251
5 425 ± 100
20 369 ± 112
50 412 ± 107
  1. Expression of a nodC::lacZ fusion was measured in S. meliloti GR4 induced previously with 5 μM luteolin and different concentrations of N-acetyl glucosamine (NAGA). Mean values and standard errors (95% confidence) were calculated from three independent experiments.