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Igere BE, Onohuean H, Iwu DC, Igbinosa EO. Polymyxin sensitivity/resistance cosmopolitan status, epidemiology and prevalence among O1/O139 and non-O1/non-O139 Vibrio cholerae: A meta-analysis. INFECTIOUS MEDICINE 2023; 2:283-293. [PMID: 38205176 PMCID: PMC10774663 DOI: 10.1016/j.imj.2023.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/12/2023] [Accepted: 11/11/2023] [Indexed: 01/12/2024]
Abstract
Resistance/sensitivity to polymyxin-B (PB) antibiotic has been employed as one among other epidemiologically relevant biotyping-scheme for Vibrio cholerae into Classical/El Tor biotypes. However, recent studies have revealed some pitfalls bordering on PB-sensitivity/resistance (PBR/S) necessitating study. Current study assesses the PBR/S cosmopolitan prevalence, epidemiology/distribution among O1/O139 and nonO1/nonO139 V. cholerae strains. Relevant databases (Web of Science, Scopus and PubMed) were searched to retrieve data from environmental and clinical samples employing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Random-effect-model (REM) and common-effect-model (CEM) of meta-analysis was performed to determine prevalence of PBR/S V. cholerae strains, describe the cosmopolitan epidemiological potentials and biotype relevance. Heterogeneity was determined by meta-regression and subgroup analyses. The pooled analyzed isolates from articles (7290), with sensitive and resistance are 2219 (30.44%) and 5028 (69.56%). Among these PB-sensitive strains, more than 1944 (26.67%) were O1 strains, 132 (1.81%) were nonO1 strains while mis-reported Classical biotype were 2080 (28.53) respectively indicating potential spread of variant/dual biotype. A significant PB-resistance was observed in the models (CEM = 0.66, 95% CI [0.65; 0.68], p-value = 0.001; REM = 0.83 [0.74; 0.90], p = 0.001) as both models had a high level of heterogeneity (I2 = 98.0%; d f = 33 2 = 1755.09 , Q p = 2.4932 ). Egger test (z = 5.4017, p < 0.0001) reveal publication bias by funnel plot asymmetry. The subgroup analysis for continents (Asia, Africa) and sources (acute diarrhea) revealed (98% CI (0.73; 0.93); 55% CI (0.20; 0.86)), and 92% CI (0.67; 0.98). The Epidemiological prevalence for El tor/variant/dual biotype showed 88% CI (0.78; 0.94) with O1 strains at 88% CI (0.78; 0.94). Such global prevalence, distribution/spread of phenotypes/genotypes necessitates updating the decades-long biotype classification scheme. An antibiotic stewardship in the post antibiotic era is suggestive/recommended. Also, there is need for holistic monitoring/evaluation of clinical/epidemiological relevance of the disseminating strains in endemic localities.
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Affiliation(s)
- Bright E. Igere
- Department of Biological Sciences, Microbiology Unit, Dennis Osadebay University, Asaba 320242, Nigeria
- Biotechnology and Emerging Environmental Infections Pathogens Research Group (BEEIPREG), Department of Biological Sciences, Microbiology Unit, Dennis Osadebay University, Asaba 320242, Nigeria
| | - Hope Onohuean
- Biopharmaceutics unit, Department of Pharmacology and Toxicology, School of Pharmacy, Kampala International University Ishaka-Bushenyi Campus, Ishaka-Bushenyi 10101, Uganda
| | - Declan C. Iwu
- Department of Microbiology, University of Pretoria, Pretoria 0002, South Africa
| | - Etinosa O. Igbinosa
- Department of Microbiology, Faculty of Life Sciences, University of Benin, Benin 300213, Nigeria
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Quantitative Risk Assessment of Vibrio parahaemolyticus Toxi Infection Associated with the Consumption of Roasted Shrimp (Penaeus monodon). J FOOD QUALITY 2022. [DOI: 10.1155/2022/5965151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In this study, a risk assessment on Vibrio parahaemolyticus infections was carried out in order to estimate the likelihood of gastroenteritis for Cameroonians after consumption of roasted shrimp (Penaeus monodon). The Codex Alimentarius Commission framework was used in this study. Based on the distribution of total V. parahaemolyticus in shrimp and literature information indicating that nonhaemolysing carrier strains could be pathogenic to humans, the cooking, and consumption patterns, the daily exposure level generated in this study, and the dose-response model from other studies, the infectious risk was evaluated and quantified by the Monte Carlo simulation. This simulation was realized based on 10,000 iterations using the Model Risk software, version 4.0, in combination with Microsoft Excel. To better quantify the exposure of consumers and the resulting risk of infection, several scenarios reflecting the minimal, average, and maximal exposures were undertaken. According to the results, the 90% confidence intervals for minimum and maximum exposures ranged from 15 to 24 colony-forming units per day (cells/day) and from 160 to 228 cells/day, respectively. Based on the modal scenario, 90% of the population consuming this shrimp is exposed to V. parahaemolyticus loads ranging from 74 to 110 cells/day, indicating a risk of infection ranging from 1.2 to 1.8 cases per million of consumption. The estimated number of annual disease cases based on annual production is between 1 and 10 cases. This reflects a relatively low risk of infection for roasted shrimp. Good hygiene practices during handling, cooking, and storage may help reduce the actual risk.
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Smith DS, Houck C, Lee A, Simmons TB, Chester ON, Esdaile A, Symes SJK, Giles DK. Polyunsaturated fatty acids cause physiological and behavioral changes in Vibrio alginolyticus and Vibrio fischeri. Microbiologyopen 2021; 10:e1237. [PMID: 34713610 PMCID: PMC8494716 DOI: 10.1002/mbo3.1237] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 09/08/2021] [Indexed: 11/06/2022] Open
Abstract
Vibrio alginolyticus and Vibrio (Aliivibrio) fischeri are Gram-negative bacteria found globally in marine environments. During the past decade, studies have shown that certain Gram-negative bacteria, including Vibrio species (cholerae, parahaemolyticus, and vulnificus) are capable of using exogenous polyunsaturated fatty acids (PUFAs) to modify the phospholipids of their membrane. Moreover, exposure to exogenous PUFAs has been shown to affect certain phenotypes that are important factors of virulence. The purpose of this study was to investigate whether V. alginolyticus and V. fischeri are capable of responding to exogenous PUFAs by remodeling their membrane phospholipids and/or altering behaviors associated with virulence. Thin-layer chromatography (TLC) analyses and ultra-performance liquid chromatography-electrospray ionization mass spectrometry (UPLC/ESI-MS) confirmed incorporation of all PUFAs into membrane phosphatidylglycerol and phosphatidylethanolamine. Several growth phenotypes were identified when individual fatty acids were supplied in minimal media and as sole carbon sources. Interestingly, several PUFAs acids inhibited growth of V. fischeri. Significant alterations to membrane permeability were observed depending on fatty acid supplemented. Strikingly, arachidonic acid (20:4) reduced membrane permeability by approximately 35% in both V. alginolyticus and V. fischeri. Biofilm assays indicated that fatty acid influence was dependent on media composition and temperature. All fatty acids caused decreased swimming motility in V. alginolyticus, while only linoleic acid (18:2) significantly increased swimming motility in V. fischeri. In summary, exogenous fatty acids cause a variety of changes in V. alginolyticus and V. fischeri, thus adding these bacteria to a growing list of Gram-negatives that exhibit versatility in fatty acid utilization and highlighting the potential for environmental PUFAs to influence phenotypes associated with planktonic, beneficial, and pathogenic associations.
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Affiliation(s)
- David S. Smith
- Department of Biology, Geology, and Environmental ScienceChattanoogaTennesseeUSA
| | - Carina Houck
- Department of Biology, Geology, and Environmental ScienceChattanoogaTennesseeUSA
| | - Allycia Lee
- Department of Chemistry and PhysicsThe University of Tennessee at ChattanoogaChattanoogaTennesseeUSA
| | - Timothy B. Simmons
- Department of Biology, Geology, and Environmental ScienceChattanoogaTennesseeUSA
| | - Olivia N. Chester
- Department of Biology, Geology, and Environmental ScienceChattanoogaTennesseeUSA
| | - Ayanna Esdaile
- Department of Biology, Geology, and Environmental ScienceChattanoogaTennesseeUSA
| | - Steven J. K. Symes
- Department of Chemistry and PhysicsThe University of Tennessee at ChattanoogaChattanoogaTennesseeUSA
| | - David K. Giles
- Department of Biology, Geology, and Environmental ScienceChattanoogaTennesseeUSA
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Mouiche MMM, Moffo F, Akoachere JFTK, Okah-Nnane NH, Mapiefou NP, Ndze VN, Wade A, Djuikwo-Teukeng FF, Toghoua DGT, Zambou HR, Feussom JMK, LeBreton M, Awah-Ndukum J. Antimicrobial resistance from a one health perspective in Cameroon: a systematic review and meta-analysis. BMC Public Health 2019; 19:1135. [PMID: 31426792 PMCID: PMC6700798 DOI: 10.1186/s12889-019-7450-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 08/06/2019] [Indexed: 11/10/2022] Open
Abstract
Background Antimicrobial resistance (AMR) is widely acknowledged as a global health problem, yet in many parts of the world its magnitude is not well elucidated. A baseline assessment of the AMR prevalence is a priority for implementation of laboratory-based AMR surveillance This review, focused on a One health approach, aimed at describing the current status of AMR in Cameroon. Methods PubMed, Google Scholar and African Journals Online databases were searched for articles published in English and French in accordance with the PRISMA guidelines. Retrieval and screening of article was done using a structured search string with strict inclusion/exclusion criteria. Free-text and grey literature were obtained by contacting the authors directly. The pooled prevalence and 95% confidence intervals were calculated for each pathogen–antibiotic pairs using random-effects models. Result Amongst 97 full-text articles reviewed, 66 met the eligibility criteria. The studies originated from the Centre (24; 36.4%), South-West (16; 24.2%), West (13; 19.7%), Littoral (9; 13.6%) and other (4; 6.1%) regions of Cameroon. These studies reported AMR in human (45; 68.2%), animals (9; 13.6%) and the environment (12; 18.2%). Overall, 19 species of bacteria were tested against 48 antibiotics. These organisms were resistant to all classes of antibiotics and showed high levels of multidrug resistance. Escherichia coli, Klebsiella pneumoniae and Staphylococcus spp were reported in 23, 19 and 18 of the human studies and revealed multidrug resistance (MDR) rates of 47.1% [95% CI (37.3–57.2%)], 51.0% [95% CI (42.0–59.9)] and 45.2% [95% CI (38.0–54.7)], respectively. Salmonella spp was reported in 6 of the animal studies and showed a MDR rate of 46.2% [95% CI (39.2–53.5%)] while Staphylococcus spp in 8 of environment studies showed MDR rate of 67.1% [95% CI (55.2–77.2%)]. Conclusion This review shows that resistance to commonly prescribed antibiotics in Cameroon is high. The findings emphasize the urgent need to address gaps in the standardization of AMR diagnostics, reporting and use of available information to optimize treatment guidelines for the arsenal of antibiotics. Effective AMR surveillance through continued data sharing, large-scale collaboration, and coordination of all stakeholders is essential to understand and manage the AMR national burden.
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Affiliation(s)
- Mohamed Moctar Mouliom Mouiche
- Department of Pharmacy, Pharmacology and Toxicology, School of Veterinary Medicine and Sciences, University of Ngaoundéré, Ngaoundéré, Cameroon. .,MOSAIC, Yaoundé, Cameroon.
| | - Frédéric Moffo
- Department of Pharmacy, Pharmacology and Toxicology, School of Veterinary Medicine and Sciences, University of Ngaoundéré, Ngaoundéré, Cameroon.,Laboratory of Animal Physiology and Health, Department of Zootechnics, Faculty of Agronomy and Agricultural Sciences, University of Dschang, Dschang, Cameroon
| | | | - Ndode Herman Okah-Nnane
- Department of Pharmacy, Pharmacology and Toxicology, School of Veterinary Medicine and Sciences, University of Ngaoundéré, Ngaoundéré, Cameroon.,Institute of Agricultural Research for Development, Veterinary Research Laboratory, Wakwa Regional Center, Ngaoundéré, Cameroon
| | - Nabilah Pemi Mapiefou
- Department of Pharmacy, Pharmacology and Toxicology, School of Veterinary Medicine and Sciences, University of Ngaoundéré, Ngaoundéré, Cameroon
| | | | - Abel Wade
- National Veterinary Laboratory (LANAVET), Yaounde, Cameroon
| | | | | | - Henri René Zambou
- Epidemiology-Public Health-Veterinary Association (ESPV), Yaounde, Cameroon
| | - Jean Marc Kameni Feussom
- Epidemiology-Public Health-Veterinary Association (ESPV), Yaounde, Cameroon.,Cameroon Epidemiological Network for Animal Diseases (RESCAM), Ministry of Livestock, Fisheries and Animal Industries (MINEPIA), Yaoundé, Cameroon
| | | | - Julius Awah-Ndukum
- Department of Pharmacy, Pharmacology and Toxicology, School of Veterinary Medicine and Sciences, University of Ngaoundéré, Ngaoundéré, Cameroon.,Laboratory of Animal Physiology and Health, Department of Zootechnics, Faculty of Agronomy and Agricultural Sciences, University of Dschang, Dschang, Cameroon.,College of Technology, University of Bamenda, Bambili, Cameroon
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