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Microorganisms

dc.contributor.authorLachtara, Beata
dc.contributor.authorWieczorek, Kinga
dc.contributor.authorOsek, Jacek
dc.date.accessioned2022-03-08T08:43:43Z
dc.date.available2022-03-08T08:43:43Z
dc.date.issued2022
dc.identifierhttps://dspace.piwet.pulawy.pl/xmlui/handle/123456789/244
dc.identifier.issn2076-2607
dc.identifier.urihttps://www.mdpi.com/2076-2607/10/3/532
dc.description.abstractIn the present study, 100 L. monocytogenes isolates of serogroup IIa from food and food production environments in Poland were characterized towards the presence of virulence, resistance, and stress response genes using whole-genome sequencing (WGS). The strains were also molecularly typed and compared with multi-locus sequence typing (MLST) and core genome MLST analyses. The present isolates were grouped into 6 sublineages (SLs), with the most prevalent SL155 (33 isolates), SL121 (32 isolates), and SL8 (28 isolates) and classified into six clonal complexes, with the most prevalent CC155 (33 strains), CC121 (32 isolates), and CC8 (28 strains). Furthermore, the strains were grouped to eight sequence types, with the most prevalent ST155 (33 strains), ST121 (30 isolates), and ST8 (28; strains) followed by 60 cgMLST types (CTs). WGS data showed the presence of several virulence genes or putative molecular markers playing a role in pathogenesis of listeriosis and involved in survival of L. monocytogenes in adverse environmental conditions. Some of the present strains were molecularly closely related to L. monocytogenes previously isolated in Poland. The results of the study showed that food and food production environments may be a source of L. monocytogenes of serogroup IIa with pathogenic potential.en_US
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.subjectListeria monocytogenesen_US
dc.subjectWGSen_US
dc.subjectserogroup IIaen_US
dc.subjectfooden_US
dc.subjectmolecular typingen_US
dc.titleGenetic diversity and relationships of Listeria monocytogenes serogroup IIa isolated in Polanden_US
dc.typeArticleen_US
dcterms.bibliographicCitation2022 vol. 10 nr 3 s. 532
dcterms.titleMicroorganisms
dc.identifier.doihttps://doi.org/10.3390/microorganisms10030532


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