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Table 3 Siderophore production by P. chlororaphis PA23, PA23-443 and PA23-443 harboring ptrA in trans

From: The requirement for the LysR-type regulator PtrA for Pseudomonas chlororaphis PA23 biocontrol revealed through proteomic and phenotypic analysis

Strain

Zone of orange haloa

PA23 (pUCP22)

0.5 (0.0)

PA23-443 (pUCP22)

1.6 (0.2)b

PA23-443 (ptrA-pUCP22)

0.6 (0.2)c

  1. aMean (standard deviation) of orange haloes (mm) surrounding colonies on CAS agar. Five replicates were examined.
  2. bSignificantly different from the wild type (p < 0.0001).
  3. cNot significantly different from the wild type.