Fig. 1

a-d Disk diffusion assay using ethyl acetate extract of Pseudomonas sp. RIT 623. Against aBacillus subtilis BGSC 168, bStaphylococcus aureus ATCC 25923. cEscherichia coli ATCC 25922, dPseudomonas aeruginosa ATCC 27853. (1) Methanol, 20 μL; (2) Tetracycline, 20 μL (10 mg/mL); and (3) 10 μL, (4) 20 μL, (5) 40 μL, and (6) 60 μL of Pseudomonas sp. RIT 623 extract dissolved in 100% methanol, respectively