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Table 1 Inhibitory spectrum of BAC-IB17 against different bacterial strains

From: Screening, purification and characterization of thermostable, protease resistant Bacteriocin active against methicillin resistant Staphylococcus aureus (MRSA)

Indicator strains Source Temperature (°C) Incubation time (hrs) Sensitivitya
Staphylococcus aureus (MRSA) Clinical (KIBGE-IB23) 37 24 ++++
Staphylococcus aureus (MSSA) Clinical (KIBGE-IB24) 37 24 ++++
Staphylococcus aureus (MSSA) Water 37 24 ++++
Staphylococcus aureus (MSSA) Soil 37 24 ++++
Staphylococcus aureus (MRSA) Clinical Isolate 37 24 +++
Staphylococcus aureus (MRSA) Clinical Isolate 37 24 +++
Staphylococcus aureus (MRSA) Clinical Isolate 37 24 +++
Enterococcus faecalis Soil 37 48 +++
Staphylococcus aureus (MRSA) Clinical Isolate 37 24 ++
Staphylococcus aureus (MRSA) Clinical Isolate 37 24 ++
Bacillus stearothermophilus Soil (KIBGE-IB29) 60 24 ++
Bacillus subtilis Soil 37 24 ++
Listeria monocytogenes ATCC 7644 35 48 ++
Staphylococcus epidermidis Environment 37 24 ++
Salmonella typhi A Clinical Isolate 37 24 +
Staphylococcus aureus (MRSA) Clinical Isolate 37 24 +
Salmonella typhimurium Clinical Isolate 37 24 +
Escherichia coli ATCC 8739 35 18 +
Bacillus licheniformis Environment (KIBGE-IB2) 40 24 +
Bacillus licheniformis Soil (KIBGE-IB4) 40 24 –
  1. aKey: (−) No Antgonistic Activity; (+) Inhibitory zone diameter within 11-15 mm; (++) Inhibitory zone diameter within 16-20 mm; (+++) Inhibitory zone diameter within 21-25 mm; (++++) Inhibitory zone diameter within 26-30 mm
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BMC Microbiology

ISSN: 1471-2180

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