Table 4

α-Galactosidase activities of B. longum 105-A and its derivatives

StrainSp acta
105-A4.44 ± 0.36
105-A ΔagaNot detected
105-A Δaga/pAga1351.30 ± 0.09
105-A Δaga/pKKT427Not detected
  • a The activities were measured after induction by raffinose as described in Materials and Methods. Results are mean values of α-galactosidase specific activity [μmol min−1 (mg protein)−1] with standard errors as determined in duplicate on three biological replicates.