Research Article

Antagonistic Potential of Soil Streptomyces Isolates from Southern Thailand to Inhibit Foodborne Bacterial Pathogens

Table 2

Primary antibacterial screening of 19 potent Actinomyces isolates against 5 pathogenic bacteria using the cross-streak method.

No.IsolatesaDegree of inhibition against tested bacterial pathogensb
ECSTPASABC

17BAC-1++++++
211BAC-1++++
35BAC-6++++
41BAC-7++++++
511BAC-7+++++++
612BAC-7++++++
716BAC-7++
89BAC-9++
92BAC-10+++++++
109TAK-1++++++
111TAK-3++
124TAK-5++++++++
139TAK-5++++++
1411TAK-6++
151TAK-8++
162TAK-8+++
171YIN-1+
184YIN-2+
195YIN-2++
Total8201214

aThe code name of isolates was designated as the number of isolates found in each soil sample. bEC: E. coli ATCC25922; ST: S. enterica serovar Typhimurium ATCC14028; PA: P. aeruginosa ATCC27853; BC: B. cereus MTCC430; SA: S. aureus ATCC25923; +++: strong activity; ++: moderate activity; +: weak activity; −: no activity.