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Ekundayo TC, Itiolu IF, Ijabadeniyi OA. Arcobacter species in milk contamination: a prevalence-based systematic review and meta-analysis. J Appl Microbiol 2022; 134:lxac037. [PMID: 36626780 DOI: 10.1093/jambio/lxac037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/19/2022] [Accepted: 10/21/2022] [Indexed: 01/12/2023]
Abstract
AIMS Milk is consumed raw or minimally processed and plays a role in the dissemination of pathogens of public health concerns. The present investigation is aimed at assessing the occurrence of pathogenic Arcobacter species in 2945 milk samples. METHODS AND RESULTS Arcobacter data systematically retrieved from five repositories until 20 February 2022 according to PRISMA principles were logit transformed and fitted using a generalized linear mixed-effects model. The between-study heterogeneity was estimated as I2-value. Leave-one-out cross-validation and funnel plot with Egger's tests were used to assess the hardiness and bias in the model. The global prevalence of Arcobacter genus in the milk was 12% [95% confidence interval (CI): 7-19%; I2 = 87.3%, 95% CI: 83.0-90.6%] and no publication bias observed (Egger's test: P = 0.112). Arcobacter genus prevalence in milk was 13% (95% CI: 5-30%), 10% (95% CI: 1-46%), and 9% (95% CI: 4-19%) in Europe, South America, and Asia, respectively. Arcobacter butzleri was the most prevalent [8% (95% CI: 4-13%)], followed by A. cryaerophilus [0.6% (95% CI: 0.2-33.2%)] and A. skirrowii [0.19% (95% CI: 0.03-1.2%)]. Also, species-specific prevalence of A. butzleri, A. cryaerophilus, and A. skirrowii varied continentally, but the test for species-specific/continental differences was not significantly different (P > 0.5).
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Affiliation(s)
- Temitope C Ekundayo
- Department of Biotechnology and Food Science, Durban University of Technology, Steve Biko Campus, Health Services, 121 Steve Biko Rd, Musgrave, Berea, Durban 4001, South Africa
| | - Ibilola F Itiolu
- Department of Biotechnology and Food Science, Durban University of Technology, Steve Biko Campus, Health Services, 121 Steve Biko Rd, Musgrave, Berea, Durban 4001, South Africa
| | - Oluwatosin A Ijabadeniyi
- Department of Biotechnology and Food Science, Durban University of Technology, Steve Biko Campus, Health Services, 121 Steve Biko Rd, Musgrave, Berea, Durban 4001, South Africa
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2
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Milk and dairy products as a possible source of environmental transmission of Helicobacter pylori. ACTA VET BRNO 2021. [DOI: 10.2754/avb202190030365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Helicobacter pylori (H. pylori) is found worldwide, and it is estimated that more than 50% of the population is infected. The presence of H. pylori in the gastrointestinal tract is associated with the occurrence of serious human diseases such as chronic gastritis, duodenal ulcer or gastric cancer. Therefore, the International Agency for Research on Cancer classified H. pylori as a Group 1 carcinogen in 1994. The routes of H. pylori transmission are not yet precisely known. Many authors agree that humans may become infected by H. pylori through foodstuffs. Milk is one of the basic foods of people of all age categories. Helicobacter pylori has been isolated from milk derived from various livestock, such as cows, sheep, goat, camel or buffalo milk. This review research paper indicates that H. pylori may be present in different types of foods and suggests that consumption of milk and selected dairy products may be a source of H. pylori infection for humans.
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Intracellular Presence of Helicobacter pylori and Its Virulence-Associated Genotypes within the Vaginal Yeast of Term Pregnant Women. Microorganisms 2021; 9:microorganisms9010131. [PMID: 33430099 PMCID: PMC7827377 DOI: 10.3390/microorganisms9010131] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND
Helicobacter pylori transmission routes are not entirely elucidated. Since yeasts are postulated to transmit this pathogen, this study aimed to detect and genotype intracellular H. pylori harbored within vaginal yeast cells. METHODS A questionnaire was used to determine risk factors of H. pylori infection. Samples were seeded on Sabouraud Dextrose Agar and horse blood-supplemented Columbia agar. Isolated yeasts were identified using and observed by optical microscopy searching for intra-yeast H. pylori. Total yeast DNA, from one random sample, was extracted to search for H. pylori virulence genes by PCR and bacterial identification by sequencing. RESULTS 43% of samples contained yeasts, mainly Candida albicans (91%). Microscopy detected bacteria such as bodies and anti-H. pylori antibodies binding particles in 50% of the isolated yeasts. Total DNA extracted showed that 50% of the isolated yeasts were positive for H. pylori 16S rDNA and the sequence showed 99.8% similarity with H. pylori. In total, 32% of H. pylori DNA positive samples were cagA+ vacAs1a vacAm1 dupA-. No relationship was observed between possible H. pylori infection risk factors and vaginal yeasts harboring this bacterium. CONCLUSION
H. pylori having virulent genotypes were detected within vaginal yeasts constituting a risk for vertical transmission of this pathogen.
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Ghanbari F, Vaez H, Taheri RA, Sahebkar A, Behshod P, Khademi F. Helicobacter pylori in water, vegetables and foods of animal origin: A systematic review and meta-analysis on the prevalence, antibiotic resistance and genotype status in Iran. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100913] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Fusco V, Chieffi D, Fanelli F, Logrieco AF, Cho G, Kabisch J, Böhnlein C, Franz CMAP. Microbial quality and safety of milk and milk products in the 21st century. Compr Rev Food Sci Food Saf 2020; 19:2013-2049. [DOI: 10.1111/1541-4337.12568] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/03/2020] [Accepted: 04/03/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Vincenzina Fusco
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Daniele Chieffi
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Francesca Fanelli
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Antonio F. Logrieco
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Gyu‐Sung Cho
- Department of Microbiology and BiotechnologyMax‐Rubner Institut Kiel Germany
| | - Jan Kabisch
- Department of Microbiology and BiotechnologyMax‐Rubner Institut Kiel Germany
| | - Christina Böhnlein
- Department of Microbiology and BiotechnologyMax‐Rubner Institut Kiel Germany
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Obaidat MM, Roess AA. First nationwide seroepidemiology and risk factors report of Helicobater pylori in Jordan. Helicobacter 2019; 24:e12572. [PMID: 30868689 DOI: 10.1111/hel.12572] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 01/16/2019] [Accepted: 01/24/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND AND AIM Helicobacter pylori inhabits the gastric mucosa of humans and causes 89% of all gastric cancers. This is the first study of the seroprevalence, spatial distribution, and risk factors for H pylori in Jordan. MATERIALS AND METHODS This is a cross-sectional study of 460 healthy participants (aged between 15 and 81 years) proportionately sampled across each region of Jordan. Sera samples were tested for H pylori using Enzygnost® anti-H pylori immunoglobulin G enzyme-linked immunosorbent assay. Participants completed a validated questionnaire about potential risk factors including food consumption habits and environmental and animal exposure. Multivariate generalized linear models identified risk factors for infection. RESULTS The results showed a high seroprevalence (88.6%; 95% confidence interval [CI]: 85.3-91.2) of H pylori in the study population. After adjusting for possible confounders, age, consumption of raw milk, and location of residence were significantly associated with seropositivity. Older participants aged 30-49 years had an 11% greater risk of seropositivity compared to participants aged 15-29 years. Participants who consume raw milk and dairy products have a 9% decreased risk in seropositivity (prevalence ratio = 0.92; 95% CI: 0.84-0.99) compared to those who do not consume these products. CONCLUSION This study reports a negative association between consumption of raw milk and seropositivity, and this is in line with several studies that report consumption of raw milk may be protective against H pylori. However, because of the risk of other serious pathogens associated with the consumption of raw dairy products, this study recommends pasteurization of raw milk. Future studies on the effect of fermented dairy products on H pylori colorization in gastric mucosa are recommended.
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Affiliation(s)
- Mohammad M Obaidat
- Department of Veterinary Pathology and Public Health, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Amira A Roess
- Department of Global Health, Milken Institute School of Public Health, George Washington University, Washington, District of Columbia
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Baradari H, Mashak Z, Tavakoli‐Far B. Retracted:Vacuolating cytotoxin A (vacA) and cytotoxin‐associated gene A (cagA) genotypes of resistantHelicobacter pyloristrains isolated from raw and pasteurized milk. J Food Saf 2018. [DOI: 10.1111/jfs.12583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Hamed Baradari
- Faculty of Veterinary Medicine, Karaj BranchIslamic Azad University Karaj Iran
| | - Zohreh Mashak
- Department of Food Hygiene, Karaj BranchIslamic Azad University Karaj Iran
| | - Bahareh Tavakoli‐Far
- Dietary Supplements and Probiotic Research CenterAlborz University of Medical Sciences Karaj Iran
- Department of Physiology and PharmacologyAlborz University of Medical Sciences Karaj Iran
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Ranjbar R, Yadollahi Farsani F, Safarpoor Dehkordi F. Antimicrobial resistance and genotyping ofvacA,cagA, andiceAalleles of theHelicobacter pyloristrains isolated from traditional dairy products. J Food Saf 2018. [DOI: 10.1111/jfs.12594] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Reza Ranjbar
- Molecular Biology Research CenterSystems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences Tehran Iran
| | - Farid Yadollahi Farsani
- Molecular Biology Research CenterSystems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences Tehran Iran
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Ranjbar R, Farsani FY, Dehkordi FS. Phenotypic analysis of antibiotic resistance and genotypic study of the vacA, cagA, iceA, oipA and babA genotypes of the Helicobacter pylori strains isolated from raw milk. Antimicrob Resist Infect Control 2018; 7:115. [PMID: 30288255 PMCID: PMC6162967 DOI: 10.1186/s13756-018-0409-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 09/17/2018] [Indexed: 02/06/2023] Open
Abstract
Background Foods with animal origins and particularly milk play a considerable role in transmission of Helicobacter pylori. The current study was performed to assess phenotypic characters of antibiotic resistance and genotyping pattern of vacA, cagA, iceA, oipA and babA2 alleles amongst the H. pylori strains isolated from raw milk. Methods Six-hundred and thirty raw milk samples were collected and cultured on Wilkins Chalgren anaerobe media. Antibiotic resistance and genotyping patterns were studied using disk diffusion and PCR, respectively. Results Sixty-seven out of 630 (10.63%) raw milk samples were positive for H. pylori. Ovine raw milk (17.27%) samples had the highest prevalence of H. pylori, while camel (5.00%) had the lowest. H. pylori strains harbored the highest prevalence of resistance against ampicillin (82.08%), tetracycline (76.11%), amoxicillin (74.62%), metronidazole (65.67%) and erythromycin (53.73%). Prevalence of resistance against more than 10 types of antibiotics was 17.91%. VacA s1a (83.58%), m1a (80.59%), s2 (77.61%) and m2 (68.65%), cagA (73.13%) and babA2 (44.77%) were the most commonly detected genotypes. We found that S1am1a (56.71%), s2m1a (56.71%), s1 am2 (43.28%) and s2 m2 (43.28%) were the most commonly detected genotyping pattern. Frequency of cagA-, oipA- and babA2- genotypes were 26.86%, 62.68% and 55.22%, respectively. We found that S1a/cagA+/iceA1/oipA-/babA2- (28.35%), m1a/cagA+/iceA1/oipA-/babA2- (28.35%) and s2/cagA+/iceA1/oipA-/babA2- (26.86%) were the most commonly detected combined genotyping pattern. Conclusions Simultaneous presence of vacA, cagA, iceA, oipA and babA2 genotypes in antibiotic resistant H. pylori strains indicates important public health issue regarding the consumption of raw milk. However, additional researches are required to find molecular genetic homology and other epidemiological aspects of H. pylori in milk.
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Affiliation(s)
- Reza Ranjbar
- 1Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Farid Yadollahi Farsani
- 2Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Elhariri M, Hamza D, Elhelw R, Hamza E. Occurrence of cagA + vacA s1a m1 i1 Helicobacter pylori in farm animals in Egypt and ability to survive in experimentally contaminated UHT milk. Sci Rep 2018; 8:14260. [PMID: 30250213 PMCID: PMC6155285 DOI: 10.1038/s41598-018-32671-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 09/13/2018] [Indexed: 12/17/2022] Open
Abstract
Cases of human gastric cancer due to Helicobacter pylori have been reported worldwide and animals might act as a reservoir of infection in certain circumstances. The recent few decades showed a rapid decline in the incidence of gastric cancer, which was mainly due to the decrease in H. pylori infection. The aims of the present study were to determine the prevalence of H. pylori among livestock and investigate whether the animal isolates can be transmitted through contaminated milk causing gastric infection. Feces and milk samples were collected from apparently healthy cows, buffaloes, and sheep, and were examined by nested PCR and genotyping. The PCR positive samples were further subjected to bacterial culture followed by partial 16s sequencing of the isolates. Twenty-nine percent of the animals showed the presence of H. pylori, mainly the virulent cagA+vacA+s1a m1 i1 genotype, which is known to be associated with serious diseases in humans. The spiral viable culturable form (SVCF) of this strain was inoculated into UHT (ultra-high temperature) milk and remained viable for up to 10 days at 4 °C. Increasing period of storage and or temperature led to a decrease in the number of the SVCF and occurrence of the coccoid viable non-culturable form (CVNCF). The infectivity of the survived forms was determined by feeding healthy groups of laboratory mice with the contaminated UHT milk containing SVCF or CVNCF for 40 days. The gastric mucosa of the two mice groups showed similar levels of H. pylori load. This highlights that H. pylori can persist in contaminated milk by entering a non-culturable state, which can induce gastric infection.
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Affiliation(s)
- Mahmoud Elhariri
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Dalia Hamza
- Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Rehab Elhelw
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Eman Hamza
- Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
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Quaglia NC, Dambrosio A. Helicobacter pylori: A foodborne pathogen? World J Gastroenterol 2018; 24:3472-3487. [PMID: 30131654 PMCID: PMC6102504 DOI: 10.3748/wjg.v24.i31.3472] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 06/19/2018] [Accepted: 06/27/2018] [Indexed: 02/06/2023] Open
Abstract
Helicobacter pylori (H. pylori) is an organism that is widespread in the human population and is sometimes responsible for some of the most common chronic clinical disorders of the upper gastrointestinal tract in humans, such as chronic-active gastritis, duodenal and gastric ulcer disease, low-grade B-cell mucosa associated lymphoid tissue lymphoma of the stomach, and gastric adenocarcinoma, which is the third leading cause of cancer death worldwide. The routes of infection have not yet been firmly established, and different routes of transmission have been suggested, although the most commonly accepted hypothesis is that infection takes place through the faecal-oral route and that contaminated water and foods might play an important role in transmission of the microorganism to humans. Furthermore, several authors have considered H. pylori to be a foodborne pathogen because of some of its microbiological and epidemiological characteristics. H. pylori has been detected in drinking water, seawater, vegetables and foods of animal origin. H. pylori survives in complex foodstuffs such as milk, vegetables and ready-to-eat foods. This review article presents an overview of the present knowledge on the microbiological aspects in terms of phenotypic characteristics and growth requirements of H. pylori, focusing on the potential role that foodstuffs and water may play in the transmission of the pathogen to humans and the methods successfully used for the detection of this microorganism in foodstuffs and water.
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Affiliation(s)
- Nicoletta C Quaglia
- Department of Emergency and Organ Transplantation, Section of Veterinary Clinic and Animal Production, University of Bari “Aldo Moro”, Valenzano 70010, Italy
| | - Angela Dambrosio
- Department of Emergency and Organ Transplantation, Section of Veterinary Clinic and Animal Production, University of Bari “Aldo Moro”, Valenzano 70010, Italy
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Osman EY, El-Eragi AMS, Musa AM, El-Magboul SB, A/Rahman MB, Abdo AE. Detection of Helicobacter pylori glmM gene in bovine milk using Nested polymerase chain reaction. Vet World 2015; 8:913-7. [PMID: 27047175 PMCID: PMC4774687 DOI: 10.14202/vetworld.2015.913-917] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Revised: 06/16/2015] [Accepted: 06/27/2015] [Indexed: 12/31/2022] Open
Abstract
Aim: The aim was to detect the glmM gene of Helicobacter pylori (H. pylori) in cow’s milk from different dairy farms in Khartoum State using Nested polymerase chain reaction (PCR). Materials and Methods: A total of 50 milk samples were collected from different dairy farms in Khartoum State (13 from Khartoum, 24 Khartoum North, and 13 from Omdurman Provinces). Results: The generated results showed that 11/50 (22%) were harboring the investigated H. pylori glmM gene in Khartoum State (1/13 [7.7%] Khartoum, 9/24 [37.5%] Khartoum North, and 1/13 [7.7%] Omdurman provinces, respectively). Conclusion: To the best of our knowledge, this was the first report on the detection of H. pylori glmM gene in cattle milk in Khartoum State. Nonetheless, the high percentages of H. pylori DNA detection in milk opened new avenues toward exploring the risk of human infection with H. pylori through the consumption of raw milk.
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Affiliation(s)
- Eyman Y Osman
- Department of Pathology and Diagnosis, Veterinary Research Institute, P. O. Box 8067, ALAmart (St. 1), Khartoum, Sudan
| | - A M S El-Eragi
- Department of Microbiology, College of Medicine, Bisha University, P.O. Box: 1140, KSA
| | - Abuobeida M Musa
- Department of Health, Maliha Municipality, P. O. Box: 13888, Sharjah, UAE
| | - Salma B El-Magboul
- Department of Molecular Biology, Veterinary Research Institute, P. O. Box 8067, ALAmart (St. 1), Khartoum, Sudan
| | - Magdi B A/Rahman
- Department of Pathology and Diagnosis, Veterinary Research Institute. P. O. Box 8067, ALAmart (St. 1), Khartoum, Sudan
| | - Abdelmounem E Abdo
- Department of Gastroenterology, Director of the National Centre for Gastrointestinal and liver disease, Ibnsina Hospital, Alamarat (St. 17) postal code 122117 P. O. Box: 15004, Khartoum, Sudan
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