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Table 2 The ACC deaminase activity (concentration of α-ketobutyrate, mM) and ethylene concentrations (nmol L−1) of sprouts for rice seeds treated with sterile water (the control), the wild strains (i.e., endophytic Enterobacter sp. E5 and Kosakonia sp. S1), and their acdS gene surface expressed strain (i.e., the engineered strains E5P and S1P, respectively)

From: Surface display of ACC deaminase on endophytic Enterobacteriaceae strains to increase saline resistance of host rice sprouts by regulating plant ethylene synthesis

  Control S1 S1P E5 E5P
Concentration of α-ketobutyrate (mM) 0.72 ± 0.02 0.81 ± 0.03* 0.98 ± 0.05* 1.00 ± 0.01* 1.15 ± 0.01*
Concentration of ethylene (nmol L−1) 88.51 ± 2.32 78.84 ± 6.73 66.94 ± 2.07* 67.56 ± 2.05* 61.36 ± 1.70*
  1. The results were represented with values of the mean ± standard deviation of three replicates
  2. * Values are significantly different from the control (P < 0.05)