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Monyama MC, Onyiche ET, Taioe MO, Nkhebenyane JS, Thekisoe OMM. Bacterial pathogens identified from houseflies in different human and animal settings: A systematic review and meta-analysis. Vet Med Sci 2021; 8:827-844. [PMID: 33955703 PMCID: PMC8959336 DOI: 10.1002/vms3.496] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 04/07/2021] [Indexed: 01/23/2023] Open
Abstract
Housefly (Musca domestica) is an excellent candidate for the distribution of susceptible and resistant bacterial strains that potentially threaten public health. To date, there is a paucity of information on the global distribution of pathogenic bacteria of medical and veterinary importance from diverse environmental settings. Therefore, this study was undertaken to conduct a systemic review and meta‐analysis to estimate occurrence of various bacterial species of medical and veterinary importance harboured by houseflies around the world. Published articles from 1980 to 2020 were retrieved from electronic databases and assessed for eligibility according to Preferred Reporting Items for Systemic Reviews and Meta‐Analysis guidelines. Seventy‐eight studies were included in the review with only 44 studies being eligible for meta‐analysis. Results indicated that eligible studies used in this review were from four continents, i.e., Asia (47.4%) America (23.1%), Africa (20.5%) and Europe (8.9%). The majority of the studies (56.4%) used the culture method for the identification of bacterial pathogens, while 30.7% used both culture and PCR techniques. For meta‐analysis, we focused on five pathogenic bacterial species including Escherichia coli, Enterococcusfaecium, Klebsiella pneumoniae, Pseudomonas aeruginosa and Staphylococcus aureus. High heterogeneity was found among studies investigating different pathogens including E. coli (Q = 10,739.55; I2 = 99.60; Q‐p 0.0001), E. faecium (Q = 317.61; I2 = 86.46; Q‐p < 0.0001), K. pneumonia (Q = 1,576.61; I2 = 97.27; Q‐p < 0.0001), S. aureus (Q = 2,439.12; I2 = 98.24; Q‐p < 0.0001) and P. aeruginosa (Q = 1,283.0; I2 = 96.65; Q‐p < 0.0001). Furthermore, it was observed that houseflies carried a considerable number of susceptible and antibiotic‐resistant bacterial strains that pose considerable threats to public health. Findings from this study have provided more insight on the vectoral potential of houseflies in the transmission of significant bacterial pathogens from different regions across the world. Further investigation is required to quantify the bacterial contamination and dissemination by houseflies.
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Affiliation(s)
- Maropeng C Monyama
- Department of Life and Consumer Sciences, University of South Africa, Florida, South Africa.,Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Emmanuel T Onyiche
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa.,Department of Veterinary Parasitology and Entomology, University of Maiduguri, Maiduguri, Nigeria
| | - Moeti O Taioe
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Pretoria, South Africa
| | - Jane S Nkhebenyane
- Department of Life Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Oriel M M Thekisoe
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
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Deguenon JM, Travanty N, Zhu J, Carr A, Denning S, Reiskind MH, Watson DW, Michael Roe R, Ponnusamy L. Exogenous and endogenous microbiomes of wild-caught Phormia regina (Diptera: Calliphoridae) flies from a suburban farm by 16S rRNA gene sequencing. Sci Rep 2019; 9:20365. [PMID: 31889104 PMCID: PMC6937299 DOI: 10.1038/s41598-019-56733-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 12/17/2019] [Indexed: 01/12/2023] Open
Abstract
The black blow fly, Phormia regina (Meigen) (Diptera: Calliphoridae) is one of the most abundant carrion flies in North America. Calliphorids are important in agriculture and animal production, veterinary sciences, forensics and medical entomology. While the role of flies in the epidemiology of human and animal diseases is an active area of research, little is known about the microorganisms associated with these insects. We examined the diversity of wild-caught black blow fly endogenous (internal body) and exogenous (external body) microbial communities using 16S rRNA gene sequencing. Overall, 27 phyla, 171 families and 533 genera were detected, and diversity was significantly higher (P < 0.05) on external body surfaces. At the genus level, Dysgonomonas, Ignatzschineria, Acinetobacter, Vagococcus, Myroides, and Wohlfahrtiimonas were predominant. Cloning and sequencing of nearly full-length fragments of the 16S rRNA gene showed that some of the species identified are known to be pathogenic to humans, animals, and plants. Myroides odoratimimus and Acinetobacter radioresistens are well-known, multi-drug resistant bacteria. These results provide a snapshot of the microbial communities harbored by adult black blow flies and call for more comprehensive studies to better characterize the role these flies may play in the transmission of pathogenic microorganisms.
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Affiliation(s)
- Jean M Deguenon
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA
| | - Nicholas Travanty
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA
| | - Jiwei Zhu
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA
| | - Ann Carr
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA
| | - Steven Denning
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA
| | - Michael H Reiskind
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA
| | - David W Watson
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA
| | - R Michael Roe
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, NC, 27695, USA
| | - Loganathan Ponnusamy
- Department of Entomology and Plant Pathology, 3230 Ligon Street, Campus Box 7647, North Carolina State University, Raleigh, NC, 27695-7647, USA. .,Comparative Medicine Institute, North Carolina State University, Raleigh, NC, 27695, USA.
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