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Halema AA, El-Beltagi HS, Al-Dossary O, Alsubaie B, Henawy AR, Rezk AA, Almutairi HH, Mohamed AA, Elarabi NI, Abdelhadi AA. Omics technology draws a comprehensive heavy metal resistance strategy in bacteria. World J Microbiol Biotechnol 2024; 40:193. [PMID: 38709343 DOI: 10.1007/s11274-024-04005-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 04/24/2024] [Indexed: 05/07/2024]
Abstract
The rapid industrial revolution significantly increased heavy metal pollution, becoming a major global environmental concern. This pollution is considered as one of the most harmful and toxic threats to all environmental components (air, soil, water, animals, and plants until reaching to human). Therefore, scientists try to find a promising and eco-friendly technique to solve this problem i.e., bacterial bioremediation. Various heavy metal resistance mechanisms were reported. Omics technologies can significantly improve our understanding of heavy metal resistant bacteria and their communities. They are a potent tool for investigating the adaptation processes of microbes in severe conditions. These omics methods provide unique benefits for investigating metabolic alterations, microbial diversity, and mechanisms of resistance of individual strains or communities to harsh conditions. Starting with genome sequencing which provides us with complete and comprehensive insight into the resistance mechanism of heavy metal resistant bacteria. Moreover, genome sequencing facilitates the opportunities to identify specific metal resistance genes, operons, and regulatory elements in the genomes of individual bacteria, understand the genetic mechanisms and variations responsible for heavy metal resistance within and between bacterial species in addition to the transcriptome, proteome that obtain the real expressed genes. Moreover, at the community level, metagenome, meta transcriptome and meta proteome participate in understanding the microbial interactive network potentially novel metabolic pathways, enzymes and gene species can all be found using these methods. This review presents the state of the art and anticipated developments in the use of omics technologies in the investigation of microbes used for heavy metal bioremediation.
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Affiliation(s)
- Asmaa A Halema
- Genetics Department, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
| | - Hossam S El-Beltagi
- Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, 31982, Saudi Arabia.
- Biochemistry Department, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt.
| | - Othman Al-Dossary
- Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
| | - Bader Alsubaie
- Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
| | - Ahmed R Henawy
- Microbiology Department, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
| | - Adel A Rezk
- Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
- Plant Virology Department, Plant Pathology Research Institute, Agriculture Research Center, Giza, 12619, Egypt
| | - Hayfa Habes Almutairi
- Chemistry Department, College of Science, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
| | - Amal A Mohamed
- Chemistry Dept, Al-Leith University College, Umm Al-Qura University, P.O. Box 6725- 21955, Makkah, Saudi Arabia
| | - Nagwa I Elarabi
- Genetics Department, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
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Woyda R, Oladeinde A, Endale D, Strickland T, Plumblee Lawrence J, Abdo Z. Genetic Characteristics of Salmonella Isolates Recovered From Reused Broiler Litter Over Three Successive Flocks. J Food Prot 2024; 87:100236. [PMID: 38307462 PMCID: PMC11000695 DOI: 10.1016/j.jfp.2024.100236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 02/04/2024]
Abstract
Salmonella infections are a leading cause of bacterial food-borne illness worldwide. Infections are highly associated with the consumption of contaminated food, and in particular, chicken meat. The severity of Salmonella infections depends on the presence of antimicrobial resistance genes and virulence factors. While there are many studies which have investigated Salmonella strains isolated from postharvest chicken samples, there is a gap in our understanding of the genetic properties that influence the persistence of Salmonella in preharvest and in particular their makeup of antimicrobial resistance genes and virulence factors. We used whole genome sequencing and hierarchical clustering to characterize and classify the genetic diversity of Salmonella enterica isolates (n = 55) recovered from the litter of commercial broiler chicken raised in four colocated broiler houses of one integrated farm over three consecutive flocks. The chicken were raised under a newly adopted "No Antibiotics Ever" program, and copper sulfate was administered via drinking water. In-silico serovar prediction identified three S. enterica serovars: Enteritidis (n = 12), Kentucky (n = 40), and Senftenberg (n = 3). Antimicrobial susceptibility testing revealed that only one S. Kentucky isolate was resistant to streptomycin, while the remaining isolates were susceptible to all antibiotics tested. Metal resistance operons, including copper and silver, were identified chromosomally and on plasmids in serovar Senftenberg and Kentucky isolates, respectively, while serovar Enteritidis carried several virulence factors on plasmids. Serovar Kentucky isolates harboring metal resistance operons were the only Salmonella isolates recovered from the litter of third flock cohort. These results suggest that there might be environmental selection for Salmonella strains carrying plasmid-associated metal resistance and virulence genes, which could play a role in their persistence in litter.
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Affiliation(s)
- Reed Woyda
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado, USA; Program of Cell and Molecular Biology, Colorado State University, Fort Collins, Colorado, USA
| | | | - Dinku Endale
- Southeast Watershed Research, USDA, Tifton, Georgia, USA
| | | | | | - Zaid Abdo
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado, USA; Program of Cell and Molecular Biology, Colorado State University, Fort Collins, Colorado, USA.
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Mwenifumbo M, Cookson AL, Zhao S, Fayaz A, Browne AS, Benschop J, Burgess SA. The characterisation of antimicrobial resistant Escherichia coli from dairy calves. J Med Microbiol 2023; 72. [PMID: 37578342 DOI: 10.1099/jmm.0.001742] [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] [Indexed: 08/15/2023] Open
Abstract
Introduction. Dairy calves, particularly pre-weaned calves have been identified as a common source of multidrug resistant (MDR) Escherichia coli.Gap statement. E. coli strains isolated from dairy calves and the location of their resistance genes (plasmid or chromosomal) have not been well characterised.Aim. To characterise the phenotypic and genotypic features as well as the population structure of antimicrobial-resistant E. coli isolated from calves located on dairy farms that feed waste-milk to their replacement calves.Methodology. Recto-anal swab enrichments from 40 dairy calves (≤ 14 days old) located on four dairy farms were examined for tetracycline, streptomycin, ciprofloxacin, and third-generation cephalosporin resistant E. coli. Whole genome sequencing was performed using both short- and long-read technologies on selected antimicrobial resistant E. coli.Results. Fifty-eight percent (23/40) of calves harboured antimicrobial resistant E. coli: 43 % (17/40) harboured tetracycline resistant, and 23 % (9/40) harboured chromosomal mediated AmpC producing E. coli. Whole genome sequencing of 27 isolates revealed five sequence types, with ST88 being the dominant ST (17/27, 63 % of the sequenced isolates) followed by ST1308 (3/27, 11 %), along with the extraintestinal pathogenic E. coli lineages ST69 (3/27, 11 %), ST10 (2/27, 7 %), and ST58 (2/27, 7 %). Additionally, 16 isolates were MDR, harbouring additional resistance genes that were not tested phenotypically. Oxford Nanopore long-read sequencing technologies enabled the location of multiple resistant gene cassettes in IncF plasmids to be determined.Conclusion. Our study identified a high incidence of tetracycline and streptomycin-resistant E. coli in dairy calves, and highlighted the presence of multidrug-resistant strains, emphasising the need for further investigation into potential associations with farm management practices.
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Affiliation(s)
- Merning Mwenifumbo
- School of Veterinary Science, Hopkirk Research Institute, cnr University & Library Rds Massey University, Palmerston North 4442, New Zealand
- Present address: Faculty of Veterinary Medicine, Lilongwe University of Agriculture & Natural Resources, Lilongwe, Malawi
| | - Adrian L Cookson
- School of Veterinary Science, Hopkirk Research Institute, cnr University & Library Rds Massey University, Palmerston North 4442, New Zealand
- Food Systems Integrity, Hopkirk Research Institute, cnr University & Library Rds, AgResearch Ltd, Palmerston North 4442, New Zealand
| | - Shengguo Zhao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Ahmed Fayaz
- School of Veterinary Science, Hopkirk Research Institute, cnr University & Library Rds Massey University, Palmerston North 4442, New Zealand
| | - A Springer Browne
- School of Veterinary Science, Hopkirk Research Institute, cnr University & Library Rds Massey University, Palmerston North 4442, New Zealand
| | - Jackie Benschop
- School of Veterinary Science, Hopkirk Research Institute, cnr University & Library Rds Massey University, Palmerston North 4442, New Zealand
| | - Sara A Burgess
- School of Veterinary Science, Hopkirk Research Institute, cnr University & Library Rds Massey University, Palmerston North 4442, New Zealand
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Galgano M, Mrenoshki D, Pellegrini F, Capozzi L, Cordisco M, Del Sambro L, Trotta A, Camero M, Tempesta M, Buonavoglia D, Laricchiuta P, Catella C, Pratelli A, Buonavoglia A, Corrente M. Antibacterial and Biofilm Production Inhibition Activity of Thymus vulgaris L. Essential Oil against Salmonella spp. Isolates from Reptiles. Pathogens 2023; 12:804. [PMID: 37375494 DOI: 10.3390/pathogens12060804] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/10/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Salmonellosis is an infectious disease affecting both animals and humans. Antimicrobial resistant (AMR) and biofilm-producing Salmonella spp., frequently detected in reptiles (who can then act as asymptomatic carriers for warm-blooded animals), have developed resistance to biocides; this represents a warning for the emergence of biocide/antimicrobial cross-resistance. The aim of this study was to evaluate the efficacy of Thymus vulgaris L. essential oil (TEO) in inhibiting bacterial growth and biofilm production of Salmonella spp., which had been isolated from wild reptiles housed in a Zoo in Italy. The resistance profile against different classes of antibiotics showed that all the isolates were susceptible to the tested antibiotics, despite the presence of several AMR genes. All the isolates were also tested with aqueous solutions of TEO at different dilutions (5% to 0.039%). Interestingly, TEO proved effective both in inhibiting bacterial growth at low dilutions, with MIC and MBC values ranging between 0.078% and 0.312%, and in inhibiting biofilm production, with values ranging from 0.039% to 0.156%. TEO demonstrated effective bioactivity against the biofilm producer Salmonella spp., proving to be a valid disinfectant for the prevention of salmonellosis from reptiles, a possible source of infection for humans exposed to the reptiles' environment.
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Affiliation(s)
- Michela Galgano
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Daniela Mrenoshki
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Francesco Pellegrini
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Loredana Capozzi
- Istituto Zooprofilattico della Puglia e della Basilicata, Contrada San Pietro Piturno, 70017 Putignano, BA, Italy
| | - Marco Cordisco
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Laura Del Sambro
- Istituto Zooprofilattico della Puglia e della Basilicata, Contrada San Pietro Piturno, 70017 Putignano, BA, Italy
| | - Adriana Trotta
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Michele Camero
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Maria Tempesta
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Domenico Buonavoglia
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | | | - Cristiana Catella
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Annamaria Pratelli
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
| | - Alessio Buonavoglia
- Dental School, Department of Biomedical and Neuromotor Sciences, University of Bologna, Via Zamboni 33, 40126 Bologna, BO, Italy
| | - Marialaura Corrente
- Department of Veterinary Medicine, University Aldo Moro of Bari, Sp Casamassima Km 3, 70010 Valenzano, BA, Italy
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