Table 1 Bacterial strains used in this study

E. coli DH5α

Negative control for primer validation

Takara

P. caledonica LMG 19076

Bacterium isolated from the rhizosphere

[61]

P. caribensis LMG 18531

Exopolysaccharide-producing bacterium isolated from vertisol

[62, 63]

P. caribensis MBA4

Haloacids-degrading bacterium isolated from soil

[42, 64, 65]

P. fungorum LMG 16225

Bacterium isolated from the white-rot fungus

[61]

P. graminis LMG 18924

Bacterium isolated from rhizosphere of grasses

[66]

P. hospita LMG 20598

Bacterium isolated from B-horizon soil

[67]

P. sacchari LMG 19450

Polyhydroxyalkanoate-accumulating bacterium isolated from soil

[68]

C. glathei LMG 14190

Bacterium isolated from lateritic soil

[53, 66, 69]

B. stabilis LMG 14294

Pathogenic bacterium isolated from sputum of a cystic fibrosis patient, Bcc member

[70]

B. glumae LMG 2196

Plant pathogen

[71]

B. cenocepacia LMG 16656

Pathogenic bacterium isolated from a cystic fibrosis patient, Bcc member

[72]

B. multivorans LMG 13010

Pathogenic bacterium isolated from sputum of a cystic fibrosis patient, Bcc member

[73]