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Table 4 The ability to form a biofilm by the strain 472CC in different stress variants

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

Experiment variant

Average absorbance value (minus blank)

Standard deviation

Coefficient of variation [%]

Strain classification as a producer of biofilm

basic variant

(no stress)

0.183

0.014

7.88

moderate

heat stress

0.280

0.008

2.78

moderate

cold stress

0.342

0.014

4.02

strong

osmotic stress

0.368

0.026

6.98

strong

acid stress

0.240

0.047

19.70

moderate

alkali stress

0.336

0.004

1.13

strong

frozen stress

0.324

0.011

3.53

strong