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Zakrzewski AJ, Gajewska J, Chajęcka-Wierzchowska W, Zadernowska A. Insights into the genetic diversity of Listeria monocytogenes from bivalves. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168481. [PMID: 37972778 DOI: 10.1016/j.scitotenv.2023.168481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/08/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
In the present study, 30 L. monocytogenes strains isolated from bivalves purchased in Poland were characterized by whole genome sequencing (WGS). The Core Genome Multilocus Sequence Typing (cgMLST) analysis revealed that the most frequent serogroups were IIa; sequence types (ST) were ST101, ST21 and ST325; and clonal complexe (CC) were CC101. Despite differential genotypic subtypes, most strains had similar antimicrobial resistance profiles. Most strains had genetic determinants of resistance to many groups of antibiotics; aminoglycosides, fluoroquinolones, lincosamides, macrolides, peptides, phosphotic acids and sulfonamides. Phenotypic resistance analyzes showed that most strains were resistant to fosfomycin, additionally, resistance to lincomycin and tetracycline was observed in some strains. Almost all L. monocytogens strains classified as biofilm producers, which is related to the presence of genetic determinants (e.g. actA, prfA, dltA, fbpA, luxS). The findings of our study emphasize the potential risk to human health posed by L. monocytogenes strains obtained from bivalve mollusks. Additional investigations, particularly focusing on biofilm, may enhance our comprehension of the underlying mechanisms responsible for the remarkable ability of L. monocytogenes to remain on the shells of bivalves.
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Affiliation(s)
- Arkadiusz Józef Zakrzewski
- Department of Food Microbiology, Meat Technology and Chemistry, University of Warmia and Mazury, Plac Cieszyński 1, 10-726 Olsztyn, Poland.
| | - Joanna Gajewska
- Department of Food Microbiology, Meat Technology and Chemistry, University of Warmia and Mazury, Plac Cieszyński 1, 10-726 Olsztyn, Poland
| | - Wioleta Chajęcka-Wierzchowska
- Department of Food Microbiology, Meat Technology and Chemistry, University of Warmia and Mazury, Plac Cieszyński 1, 10-726 Olsztyn, Poland
| | - Anna Zadernowska
- Department of Food Microbiology, Meat Technology and Chemistry, University of Warmia and Mazury, Plac Cieszyński 1, 10-726 Olsztyn, Poland
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Yin Y, Doijad S, Wang W, Lian K, Pan X, Koryciński I, Hu Y, Tan W, Ye S, Wang Z, Pan Z, Chakraborty T, Jiao X. Genetic Diversity of Listeria monocytogenes Isolates from Invasive Listeriosis in China. Foodborne Pathog Dis 2019; 17:215-227. [PMID: 32150465 DOI: 10.1089/fpd.2019.2693] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Listeria monocytogenes is a deadly foodborne pathogen, and infections can result in meningoencephalitis and sepsis with mortality rates of up to 30%. In this study, we performed comparative whole-genome analysis of 30 clinical isolates sequenced together with 32 previously sequenced clinical and food isolates from China. The data indicate that L. monocytogenes isolates belonging to the clonal complexes (CC) -1, -8, -9, -87, -121, and -155 are present in human clinical cases. The majority of isolates are from CC-87, 9, and 8 and overlap with those CCs previously reported on the basis of multilocus sequence typing for isolates from Chinese food products. Detailed genome analysis of isolates, representative of CCs in clinical and food products, revealed strong similarities both in their core- and accessory genomes indicating that they are highly related. When compared to genome sequences of isolates of a given CC worldwide, clinical isolates of China were distinct and clustered in unified clades. Our data indicate that epidemic clones of L. monocytogenes (CC-87, 9, and 8) with unusually high occurrence of plasmids are unique to China and suggest that common populations of L. monocytogenes clones are present in both clinical and food products in China.
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Affiliation(s)
- Yuelan Yin
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Swapnil Doijad
- Institute of Medical Microbiology, Justus-Liebig University, Giessen, Germany
| | - Weiping Wang
- Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, People's Republic of China
| | - Kai Lian
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Xiuzhen Pan
- Department of Epidemiology, Research Institute for Medicine of Nanjing Command, Nanjing, China
| | - Iwo Koryciński
- Institute of Medical Microbiology, Justus-Liebig University, Giessen, Germany.,Department of Applied Microbiology, Institute of Microbiology, University of Warsaw, Warsaw, Poland
| | - Yachen Hu
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Weijun Tan
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Shuyang Ye
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Zegang Wang
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Zhiming Pan
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
| | - Trinad Chakraborty
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China.,Institute of Medical Microbiology, Justus-Liebig University, Giessen, Germany
| | - Xin'an Jiao
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
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Fagerlund A, Langsrud S, Schirmer BCT, Møretrø T, Heir E. Genome Analysis of Listeria monocytogenes Sequence Type 8 Strains Persisting in Salmon and Poultry Processing Environments and Comparison with Related Strains. PLoS One 2016; 11:e0151117. [PMID: 26953695 PMCID: PMC4783014 DOI: 10.1371/journal.pone.0151117] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 02/22/2016] [Indexed: 12/19/2022] Open
Abstract
Listeria monocytogenes is an important foodborne pathogen responsible for the disease listeriosis, and can be found throughout the environment, in many foods and in food processing facilities. The main cause of listeriosis is consumption of food contaminated from sources in food processing environments. Persistence in food processing facilities has previously been shown for the L. monocytogenes sequence type (ST) 8 subtype. In the current study, five ST8 strains were subjected to whole-genome sequencing and compared with five additionally available ST8 genomes, allowing comparison of strains from salmon, poultry and cheese industry, in addition to a human clinical isolate. Genome-wide analysis of single-nucleotide polymorphisms (SNPs) confirmed that almost identical strains were detected in a Danish salmon processing plant in 1996 and in a Norwegian salmon processing plant in 2001 and 2011. Furthermore, we show that L. monocytogenes ST8 was likely to have been transferred between two poultry processing plants as a result of relocation of processing equipment. The SNP data were used to infer the phylogeny of the ST8 strains, separating them into two main genetic groups. Within each group, the plasmid and prophage content was almost entirely conserved, but between groups, these sequences showed strong divergence. The accessory genome of the ST8 strains harbored genetic elements which could be involved in rendering the ST8 strains resilient to incoming mobile genetic elements. These included two restriction-modification loci, one of which was predicted to show phase variable recognition sequence specificity through site-specific domain shuffling. Analysis indicated that the ST8 strains harbor all important known L. monocytogenes virulence factors, and ST8 strains are commonly identified as the causative agents of invasive listeriosis. Therefore, the persistence of this L. monocytogenes subtype in food processing facilities poses a significant concern for food safety.
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Affiliation(s)
- Annette Fagerlund
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, Norway
- * E-mail:
| | - Solveig Langsrud
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, Norway
| | - Bjørn C. T. Schirmer
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, Norway
| | - Trond Møretrø
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, Norway
| | - Even Heir
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, Norway
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