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Sarr M, Alou MT, Padane A, Diouf FS, Beye M, Sokhna C, Fenollar F, Mboup S, Raoult D, Million M. A review of the literature of Listeria monocytogenes in Africa highlights breast milk as an overlooked human source. Front Microbiol 2023; 14:1213953. [PMID: 38173673 PMCID: PMC10761537 DOI: 10.3389/fmicb.2023.1213953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 11/29/2023] [Indexed: 01/05/2024] Open
Abstract
According to the latest WHO estimates (2015) of the global burden of foodborne diseases, Listeria monocytogenes is responsible for one of the most serious foodborne infections and commonly results in severe clinical outcomes. The 2013 French MONALISA prospective cohort identified that women born in Africa has a 3-fold increase in the risk of maternal neonatal listeriosis. One of the largest L. monocytogenes outbreaks occurred in South Africa in 2017-2018 with over 1,000 cases. Moreover, recent findings identified L. monocytogenes in human breast milk in Mali and Senegal with its relative abundance positively correlated with severe acute malnutrition. These observations suggest that the carriage of L. monocytogenes in Africa should be further explored, starting with the existing literature. For that purpose, we searched the peer-reviewed and grey literature published dating back to 1926 to date using six databases. Ultimately, 225 articles were included in this review. We highlighted that L. monocytogenes is detected in various sample types including environmental samples, food samples as well as animal and human samples. These studies were mostly conducted in five east African countries, four west African countries, four north African countries, and two Southern African countries. Moreover, only ≈ 0.2% of the Listeria monocytogenes genomes available on NCBI were obtained from African samples, contracted with its detection. The pangenome resulting from the African Listeria monocytogenes samples revealed three clusters including two from South-African strains as well as one consisting of the strains isolated from breast milk in Mali and Senegal and, a vaginal post-miscarriage sample. This suggests there was a clonal complex circulating in Mali and Senegal. As this clone has not been associated to infections, further studies should be conducted to confirm its circulation in the region and explore its association with foodborne infections. Moreover, it is apparent that more resources should be allocated to the detection of L. monocytogenes as only 15/54 countries have reported its detection in the literature. It seems paramount to map the presence and carriage of L. monocytogenes in all African countries to prevent listeriosis outbreaks and the related miscarriages and confirm its association with severe acute malnutrition.
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Affiliation(s)
- Marièma Sarr
- Aix Marseille University, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
- Campus Commun UCAD-IRD of Hann, Dakar, Senegal
- Institut de Recherche en Santé, de Surveillance Épidémiologique et de Formation (IRESSEF), Dakar, Senegal
| | - Maryam Tidjani Alou
- Aix Marseille University, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - Abdou Padane
- Institut de Recherche en Santé, de Surveillance Épidémiologique et de Formation (IRESSEF), Dakar, Senegal
| | - Fatou Samba Diouf
- Aix Marseille University, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
- Campus Commun UCAD-IRD of Hann, Dakar, Senegal
| | - Mamadou Beye
- Aix Marseille University, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - Cheikh Sokhna
- Campus Commun UCAD-IRD of Hann, Dakar, Senegal
- Aix Marseille University, IRD, AP-HM, SSA, VITROME, Marseille, France
| | - Florence Fenollar
- IHU-Méditerranée Infection, Marseille, France
- Aix Marseille University, IRD, AP-HM, SSA, VITROME, Marseille, France
| | - Souleymane Mboup
- Institut de Recherche en Santé, de Surveillance Épidémiologique et de Formation (IRESSEF), Dakar, Senegal
| | - Didier Raoult
- Aix Marseille University, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - Matthieu Million
- Aix Marseille University, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
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Characterization and Antibiotic Resistance of Listeria monocytogenes Strains Isolated from Greek Myzithra Soft Whey Cheese and Related Food Processing Surfaces over Two-and-a-Half Years of Safety Monitoring in a Cheese Processing Facility. Foods 2023; 12:foods12061200. [PMID: 36981126 PMCID: PMC10048787 DOI: 10.3390/foods12061200] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/27/2023] [Accepted: 03/10/2023] [Indexed: 03/18/2023] Open
Abstract
Listeriosis is a serious infectious disease with one of the highest case fatality rates (ca. 20%) among the diseases manifested from bacterial foodborne pathogens in humans, while dairy products are often implicated as sources of human infection with Listeria monocytogenes. In this study, we characterized phenotypically and genetically by whole-genome sequencing (WGS) 54 L. monocytogenes strains isolated from Myzithra, a traditional Greek soft whey cheese (48 isolates), and swabs collected from surfaces of a cheese processing plant (six isolates) in the Epirus region of Greece. All but one strain of L. monocytogenes belonged to the polymerase chain reaction (PCR) serogroups IIa (16.7%) and IIb (81.5%), corresponding to serotypes 1/2a, 3a and 1/2b, 3b, 7, respectively. The latter was identified as a PCR-serogroup IVb strain (1.8%) of serotypes 4b, 4d, 4e. Bioinformatics analysis revealed the presence of five sequence types (STs) and clonal complexes (CCs); ST1, ST3, ST121, ST 155, ST398 and CC1, CC3, CC121, CC155, CC398 were thus detected in 1.9, 83.3, 11.0, 1.9, and 1.9% of the L. monocytogenes isolates, respectively. Antibiograms of the pathogen against a panel of seven selected antibiotics (erythromycin, tetracycline, benzylpenicillin, trimethoprim-sulfamethoxazole, ampicillin, ciprofloxacin, and meropenem) showed that 50 strains (92.6%), the six surface isolates also included, were intermediately resistant to ciprofloxacin and susceptible to the rest of the six antimicrobial agents tested, whereas strong resistance against the use of a single from three implicated antibiotics was recorded to four strains (7.4%) of the pathogen isolated from Myzithra cheese samples. Thence, the minimum inhibitory concentrations (MICs) were determined for erythromycin (MIC = 0.19 μg/mL), ciprofloxacin (MIC ≥ 0.19 μg/mL), and meropenem (MIC = 0.64 μg/mL), and finally, just one strain was deemed resistant to the latter antibiotic. The phylogenetic positions of the L. monocytogenes strains and their genetic variability were determined through WGS, whilst also stress response and virulence gene analysis for the isolates was conducted. Findings of this work should be useful as they could be utilized for epidemiological investigations of L. monocytogenes in the food processing environment, revealing possible contamination scenarios, and acquired antimicrobial resistance along the food production chain.
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Dong Z, Sun Y, Cao Q, Liu H, Liu Y, Cao Q, Wei H, Song C, Gou H, Xue H. Prevalence and Biological Characteristics of Listeria Species Isolated from Livestock and Poultry Meat in Gansu Province, China. Pol J Microbiol 2023; 72:11-20. [PMID: 36929888 DOI: 10.33073/pjm-2023-002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 12/27/2022] [Indexed: 03/18/2023] Open
Abstract
Listeria monocytogenes is a widespread foodborne pathogen contaminating foods during their production or processing stages. Fresh meat is susceptible to such contamination if it is not properly preserved. Our study was conducted to reveal the level of contamination and prevalence of Listeria spp. present in livestock and poultry meat from Gansu province. A total of 1,387 samples were collected from five cities in Gansu Province according to standard sampling procedures, of which 174 samples (12.5%) were positive for Listeria species. Among them, 14 isolates of L. monocytogenes (1.0%), 150 isolates of Listeria innocua (10.8%), and ten isolates of Listeria welshimeri (0.7%) were identified by conventional bacteriological and molecular identification methods. All isolates were subjected to serological assays, antimicrobial susceptibility tests, growth curve assays, determination of biofilm-forming capacity, and cluster analysis of the 16S rRNA gene sequences. Four predominant serotypes of L. monocytogenes were identified, including 1/2a (35.7%, 5/14), 1/2b (14.3%, 2/14), 1/2c (42.9%, 6/14), and 4b (7.1%, 1/14). All L. monocytogenes isolates were resistant to tetracycline and cefoxitin. Most L. innocua isolates (63.6%, 14/22) and L. welshimeri (40%, 4/10) were resistant to tetracycline. The high biofilm-forming ability was observed among 1/2c and 1/2a serotype isolates. The cluster analysis of the 16S rRNA gene sequences revealed a close genetic relationship between the three Listeria species. This study fills the gap in the knowledge of livestock and poultry meat that carry Listeria in slaughterhouses and markets in Gansu Province.
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Affiliation(s)
- Zhijie Dong
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
| | - Yanan Sun
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
- 2Highway Animal and Plant Joint Epidemic Prevention and Quarantine Station, Hami, China
| | - Qing Cao
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
| | - Hongxia Liu
- 3Lanzhou Animal's Sanitation Inspection, Lanzhou, China
| | - Yuanyuan Liu
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
| | - Qihang Cao
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
| | - Huilin Wei
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
| | - Chen Song
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
| | - Huitian Gou
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
| | - Huiwen Xue
- 1College of Veterinary Medical, Gansu Agricultural University, Lanzhou, China
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Prevalence and Antimicrobial Resistance of Virulent Listeria monocytogenes and Cronobacter sakazakii in Dairy Cattle, the Environment, and Dried Milk with the In Vitro Application of Natural Alternative Control. Antibiotics (Basel) 2022; 11:antibiotics11081087. [PMID: 36009957 PMCID: PMC9405507 DOI: 10.3390/antibiotics11081087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 08/07/2022] [Accepted: 08/08/2022] [Indexed: 11/17/2022] Open
Abstract
This study aims to detect the prevalence and antimicrobial resistance of Listeria monocytogenes and Cronobacter sakazakii in three dairy households and dried milk from different suppliers, and evaluate the antimicrobial effect of rose water, rose, and orange essential oils. In total, 360 samples were collected from cattle, the environment, and dried milk (n = 30). Antimicrobial activity was evaluated with twofold microtube dilution and the time-kill method. L. monocytogenes was identified in all households (13.3%) with a prevalence in the range of 5.8–17.5%, while C. sakazakii was identified in one household (5.3%). The former and latter pathogens were highly isolated from the feces at 20% and 2.5% and bedding at 12.5% and 1.6%, respectively. L. monocytogenes was isolated only from milk at 7.5%, but C. sakazakii was not detected in either milk or dried milk. L. monocytogenes strains were screened for virulence genes (iap, hylA, and actA). All strains were positive for the iap gene, while for hlyA and actA, the percentages were (35.4% 16.6%, respectively). L. monocytogenes strains showed high resistance against sulfamethoxazole–trimethoprim (100%), followed by gentamicin, penicillin, and imipenem (95.8%, 95.8%, and 91.6%, respectively). All C. sakazakii strains were susceptible to all tested antibiotics. The bactericidal activity of orange oil was the strongest, appeared after 1 h for both pathogens, followed by rose oil and then rose water.
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Assessment of multidrug-resistant Listeria monocytogenes in milk and milk product and One Health perspective. PLoS One 2022; 17:e0270993. [PMID: 35793329 PMCID: PMC9258876 DOI: 10.1371/journal.pone.0270993] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 06/21/2022] [Indexed: 01/12/2023] Open
Abstract
The occurrence and the antibiogram signatures of Listeria monocytogenes (Lm) recovered from 65 milk samples and its products within the Eastern Cape province were examined. The EN ISO 11290:2017 procedures Parts 1 and 2 described by the International Organization for Standardization for the enumeration and isolation of Lm was adopted for the study. Lm was detected in 18.46% of all the samples examined, and the strains recovered from the samples belong to serotypes 4b and 1/2b. The virulence determinants including prfA, plcA, plcB, inlA, inlC, hly, mpl, actA, inlJ and inlB were detected in all the isolates. About 95.24% of the studied Lm isolates demonstrated potential capacity for biofilm formation. The antibiogram profile revealed high resistance against sulfamethoxazole (71.43%), trimethoprim (52.86%); erythromycin, cefotetan and oxytetracycline (42.86% respectively). About 85.71% exhibited multiple antibiotic resistance phenotypes against the test antibiotics. The resistance determinants encoding resistance against the β-lactamase antibiotics [such as the blaTEM, blaSHV, blaTEMvariants (TEM-1 and TEM-2) and the blaZ], the tetracycline resistance genes (including tetA, tetD, tetG and tetM and tetK) were detected among resistant isolates. In addition, the aminoglycoside resistance gene aph (3)-IIa (aphA2)a was detected only in one isolate. Finally, the sulfonamide resistance genes including the sul2 and the sul1 genes were the most frequently observed among Lm isolates. Generally, 71.43% of all Lm isolates recovered from the samples investigated harboured one or more resistance genes encoding resistance against various antibiotics. The antibiogram signatures of Lm isolates observed in this study is an indication that empirical treatment of listeriosis may be challenging in the future as the pathogen may obliterate the success of antibiotics. We, therefore, advocate for the recognition of the One Health approach to ensuring food safety and curbing the spread of antimicrobial resistance in food.
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Tîrziu E, Herman V, Nichita I, Morar A, Imre M, Ban-Cucerzan A, Bucur I, Tîrziu A, Mateiu-Petrec OC, Imre K. Diversity and Antibiotic Resistance Profiles of Listeria monocytogenes Serogroups in Different Food Products from the Transylvania Region of Central Romania. J Food Prot 2022; 85:54-59. [PMID: 34525194 DOI: 10.4315/jfp-21-172] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 09/12/2021] [Indexed: 11/11/2022]
Abstract
ABSTRACT This study used molecular serogrouping to assess the presence and antimicrobial susceptibility profile of Listeria monocytogenes isolates from food products of different animal origin, collected from a county situated in the historical region of Transylvania in central Romania. Seventeen (7.7%) of 221 screened samples were positive for L. monocytogenes; these included 8 (6.2%) of 130 ready-to-eat products (i.e., sausages, ham, and smoked specialties), 6 (12.8%) of 47 raw meat samples (i.e., minced pork, pork organs, and snails), and 3 (6.8%) of 44 dairy samples (i.e., assortment of cheeses). The identified L. monocytogenes serogroups were 1/2a-3a (47.1%), 4b-4d-4e (29.4%), 1/2c-3c (11.8%), and 4a-4c (11.8%). All isolates were resistant to benzylpenicillin and fusidic acid. Resistance was also detected toward oxacillin (88.2%), fosfomycin (82.4%), clindamycin (76.5%), imipenem (52.9%), ciprofloxacin (41.2%), rifampin (41.2%), trimethoprim-sulfamethoxazole (29.4%), and tetracycline (29.4%). On the other hand, all isolates proved susceptible to gentamicin, moxifloxacin, teicoplanin, vancomycin, tigecycline, erythromycin, and linezolid. All tested strains exhibited multidrug resistance, resulting in the expression of a total of 12 resistance profiles. These findings extend the understanding of the spread of an important pathogen in Romanian food products, highlighting a substantial public health issue and medical concern, especially for consumers with a compromised health status. HIGHLIGHTS
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Affiliation(s)
- Emil Tîrziu
- Department of Animal Production and Veterinary Public Health, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Viorel Herman
- Department of Infectious Diseases and Preventive Medicine, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Ileana Nichita
- Department of Animal Production and Veterinary Public Health, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Adriana Morar
- Department of Animal Production and Veterinary Public Health, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Mirela Imre
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Alexandra Ban-Cucerzan
- Department of Animal Production and Veterinary Public Health, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Iulia Bucur
- Department of Animal Production and Veterinary Public Health, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Andreea Tîrziu
- Department of Ophthalmology, Municipal Emergency Clinical Hospital, Timişoara, 300011, Romania
| | - Oana Cătălina Mateiu-Petrec
- Department of Infectious Diseases and Preventive Medicine, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
| | - Kálmán Imre
- Department of Animal Production and Veterinary Public Health, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" Timişoara, 300645, Romania
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Alsayeqh AF, Baz AHA, Darwish WS. Antimicrobial-resistant foodborne pathogens in the Middle East: a systematic review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:68111-68133. [PMID: 34668139 DOI: 10.1007/s11356-021-17070-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 10/12/2021] [Indexed: 06/13/2023]
Abstract
Foodborne pathogens are known as significant public health hazards worldwide, particularly in the Middle East region. Antimicrobial resistance (AMR) among foodborne pathogens becomes one of the top challenges for the environment, public health, and food safety sectors. However, less is known about antimicrobial-resistant foodborne pathogens in the Middle East region. Possibly because of the lack of surveillance, documentation, and reporting. This review focuses on the current status of antimicrobial resistance profiling among foodborne pathogens in the Middle East. Therefore, PubMed and other relevant databases were searched following PRISMA guidelines. Subject heading and texts were searched for "antimicrobial resistances," "foodborne," and "Middle East" to identify observational studies on AMR foodborne pathogens published during the last 10 years (2011 to 2020). Article retrieval and screening were done using a structured search string and strict inclusion/exclusion criteria. Median and interquartile ranges of percent resistance were calculated for each antibiotic-bacterium combination. A total of 249 articles were included in the final analysis from ten countries, where only five countries had more than 85% of the included articles. The most commonly reported pathogens were Escherichia coli, Salmonella spp. Staphylococcus aureus, and Listeria spp. An apparent rise in drug resistance among foodborne pathogens was recorded particularly against amoxicillin-clavulanic acid, ampicillin, nalidixic acid, streptomycin, and tetracycline that are commonly prescribed in most countries in the Middle East. Besides, there is a lack of standardization and quality control for microbiological identification and susceptibility testing methods in many of the Middle East countries.
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Affiliation(s)
- Abdullah F Alsayeqh
- Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraidah, 662251452, Saudi Arabia
| | | | - Wageh Sobhy Darwish
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44519, Egypt.
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Sun Q, Cai S, Cheng J, Zhang Y, Lin R, Ye Q, Xue L, Zeng H, Lei T, Zhang S, Luo X, Wu K, Wu Q, Chen M, Zhang J. Distribution, contamination routes, and seasonal influence of persistent Listeria monocytogenes in a commercial fresh Hypsizigus marmoreus production facility. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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