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Table 2 Antibacterial activity of sw-5 (serrawettin W2) produced by YD25T

From: Analysis of the genomic sequences and metabolites of Serratia surfactantfaciens sp. nov. YD25T that simultaneously produces prodigiosin and serrawettin W2

Bacteria Drug resistance Inhibitory zone
1 2 3 4 5 6 7 8 9 diameter (mm)
Staphylococcus aureu A1 R R R R R R R - - NI
Staphylococcus aureu A2 R S S R R R R - - SI
Staphylococcus aureu A3 S R S S R S S - - NI
Staphylococcus aureu A4 R R R R R R R - - NI
Staphylococcus aureu A5 R R R R R R R - - SI
Staphylococcus aureu A6 R R R R R R R - - SI
Staphylococcus aureu B1 S R S R R S S - - NI
Staphylococcus aureu B2 R R R R R R R - - SI
Staphylococcus aureu B3 R R R R R R R - - NI
Staphylococcus aureu B4 S R S S R S S - - NI
Staphylococcus aureu B5 S S S S R S S - - SI
Staphylococcus aureu B6 S S S S S S S - - SI
Staphylococcus aureu C1 R R R R R R R - - NI
Staphylococcus aureu C2 R R R R R R R - - SI
Staphylococcus aureu C3 S R S S R I S - - 11.2 ± 0.4
Staphylococcus aureu C4 R R R R R R R - - SI
Staphylococcus aureu C5 R R R R R R R - - SI
Staphylococcus aureu C6 S R S S R S S - - 9.2 ± 0.3
Staphylococcus aureu D1 R S R R R R R - - NI
Staphylococcus aureu D2 S R S S R S S - - 7.6 ± 0.4
Staphylococcus aureu D3 R R R R R R R - - SI
Staphylococcus aureu D4 R R R R R R R - - NI
Staphylococcus aureu D5 R R S R R R R - - 8.5 ± 0.5
Staphylococcus aureu D6 R S S R R R R - - SI
Staphylococcus aureu E1 S R S R R S S - - 11.2 ± 0.3
Staphylococcus aureu E2 R S R R R R R - - SI
Staphylococcus aureu E3 - - - S - S S R R 8.3 ± 0.2
Staphylococcus aureu E4 - - - - - S S R R 11.4 ± 0.4
Staphylococcus aureu E5 S I S S R S S - - 10.1 ± 0.3
Staphylococcus aureu E6 S R S S R S S - - 8.1 ± 0.4
Escherichia coli 44102 - - - - - - - - - NI
Pseudomonas aeruginosa A62 - - - - - - - - - 14.4 ± 0.4
Bacillus subtilis A47 - - - - - - - - - SI
Rhodococcus rhodochrous - - - - - - - - - 12.5 ± 0.3
CGMCC 4.1815           
Enterococcus faecium - - - - - - - - - NI
CGMCC 1.2025           
Klebsiella pneumoniae - - - - - - - - - NI
CGMCC 1.10617           
Psychrobacter faecalis - - - - - - - - - NI
CGMCC 1.10869           
Acinetobacter baumannii - - - - - - - - - NI
CGMCC 1.6769           
Shigella dysenteriae - - - - - - - - - 10.5 ± 0.5
CGMCC 1.1869           
Micrococcus luteus - - - - - - - - - 19.4 ± 0.5
CGMCC 1.2299           
  1. 1, prostaphlin (10 units); 2, clindamycin (2 μg); 3, rifampicin (5 μg); 4, levofloxacin (5 μg); 5, erythromycin (15 μg); 6, amikacin (30 μg); 7, cefazolin (30 μg); 8, paediatric compound sulfamethoxazole tablets (23.75 μg); 9, ampicillin (10 μg). R, resistance to the antibiotic; S, sensitive to the antibiotic; I, intermediate; “-”, not determined. NI, no inhibition; SI, slight inhibition. SI indicated the diameter of the inhibition zone was less than 7 mm. The diameter of the control was 6 mm. Numbers show an average of three replications