The influence of stress factors on selected phenotypic and genotypic features of Listeria monocytogenes – a pilot study

Table 8 Results of the MIC value assessment of selected antibiotics for strain ATCC 19111

Experiment variant	Penicillin [μg/ml]	Ampicillin [μg/ml]	Meropenem [μg/ml]	Erythromycin [μg/ml]	Co-trimoxazole [μg/ml]
basic variant (no stress)	0.047	0.047	0.032	0.125	0.023
heat stress	0.047	0.032	0.032	0.125	0.016
cold stress	not marked
osmotic stress	0.047	0.032	0.032	0.19	0.032
acid stress	0.047	0.047	0.023	0.25	0.032
alkali stress	0.064	0.047	0.032	0.25	0.032
frozen stress	0.047	0.047	0.032	0.25	0.023

marked green - a decrease in relation to the basic variant; marked red - increase in relation to the basic variant; marked white - no changes

ISSN: 1471-2180