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AMB Express

Table 3 Average FIC indices resulting from chequerboard titrations between YD1 and selected antibiotics

From: Glycin-rich antimicrobial peptide YD1 from B. amyloliquefaciens, induced morphological alteration in and showed affinity for plasmid DNA of E. coli

Antibiotic

Ceftriaxone Na

Erythromycin

Ciprofloxacin HCl

Bacteria

Average FICI

Interpretation

Average FICI

Interpretation

Average FICI

Interpretation

E. coli KCTC 1923

2.19

Indifferent

0.48

Synergism

0.92

Indifferent

MRSA B15

1.15

Indifferent

0.51

Weak synergism/

indifferent

0.99

Indifferent

  1. FIC index interpretations: ≤ 0.5, synergism; > 4, antagonism; > 0.5 to < 4.0 indifferent interaction
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