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. 2022 Nov 19;23(22):14382. doi: 10.3390/ijms232214382

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(A) Plantaricin-related genes of L. plantarum KR19, MC19, MB7, MB15, MB18 and RS10 strains detected by PCR with plantaricin structural gene-specific primers. (B) Heatmap comparison of antimicrobial activity of selected L. plantarum strains tested against potential pathogens using an agar spot-test, expressed as effective inhibition ratio (EIR). According to Coeuret et al. [23], EIR < 0.5 indicates weak inhibition; EIR > 1.5 strong inhibition, while values in between indicate medium inhibitory activity.