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Abdel-Raheem SM, Khodier SM, Almathen F, Hanafy AST, Abbas SM, Al-Shami SA, Al-Sultan SI, Alfifi A, El-Tarabili RM. Dissemination, virulence characteristic, antibiotic resistance determinants of emerging linezolid and vancomycin-resistant Enterococcus spp. in fish and crustacean. Int J Food Microbiol 2024; 418:110711. [PMID: 38677237 DOI: 10.1016/j.ijfoodmicro.2024.110711] [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: 02/13/2024] [Revised: 04/13/2024] [Accepted: 04/17/2024] [Indexed: 04/29/2024]
Abstract
Enterococci are emerging nosocomial pathogens. Their widespread distribution causes them to be food contaminants. Furthermore, Enterococci can colonize various ecological niches and diffuse into the food chain via contaminated animals and foods because of their remarkable tolerance to unfavorable environmental circumstances. Due to their potential dissemination to humans, antimicrobial-resistant Enterococci in fish are a worldwide health issue. This study characterized AMR, ARGs, VAGs, gelatinase activity, and biofilm formation in Enterococcus spp. recovered from fish and seafood and evaluated potential correlations. 54 Enterococcus spp. strains(32.73 %)were isolated from 165 samples (75 Oreochromis niloticus, 30 Argyrosomus regius, and 60 Shrimp), comprising 30 Enterococcus faecalis (55.6 %) and 24 Enterococcus faecium (44.4 %) with total 32.73 % (54/165), The maximum prevalence rate of Enterococcus spp. was observed in Nile tilapia (34/54; 63 %), followed by shrimp (14/54; 25.9 %) and Argyrosomus regius (6/54; 11.1 %). The maximum prevalence rate of E. faecalis was observed in Nile tilapia (22/30; 73.3 %), followed by shrimp (8/30; 26.7 %) with significant differences. The prevalence rate of E. faecium was observed in Nile tilapia (12/24; 50 %), followed by shrimp (6/24,25 %). E. faecium is only isolated from Argyrosomus regius (6/24,25 %). Isolates exhibited high resistance against both tetracycline (90.7 %) and erythromycin(88.9 %), followed by gentamycin (77.8 %), ciprofloxacin (74.1 %), levofloxacin (72.2 %), penicillin (44.4 %), vancomycin (37 %), and linezolid (20.4 %). 50 strains (92.6 %) exhibited resistance to more than two antibiotics, 5 strains (10 %) were XDR, and the remaining 45 strains (90 %) were classified as MDR. 92.6 % of the isolates had MARindices >0.2, indicating they originated in settings with a high risk of contamination. Additionally, ten ARGs were identified, with tet(M) 92.6 %, followed by erm(B) (88.9 %), aac(6')-Ie-aph(2″)-Ia(77.8 %), tet(K) (75.9 %), gyrA (74.1 %), blaZ (48.1 %), vanA (37 %), vanB (31.5 %), optrA (20.4 %), and catA(3.7 %). Biofilm formation and gelatinase activity were observed in 85.2 %, and 61.1 % of the isolates, respectively. A total of 11 VAGs were detected, with gelE as the most prevalent (83.3 %) followed by agg(79.6 %), pil (74.1 %), both sprE and asa1 (72.2 %), hyl (70.4 %), eps(68.5 %), EF3314 (57.4 %), ace (50 %), and cylA (35.2 %) with no detection of cylB. In conclusion, the emergence of linezolid-resistant -vancomycin-resistant enterococci recovered from Egyptian fish and shrimp, suggests that fish and seafood might participate a fundamental part in the emergence of antimicrobial resistance among humans.
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Affiliation(s)
- Sherief M Abdel-Raheem
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia; Department of Animal Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Assiut University, 71526 Assiut, Egypt.
| | - Sherin M Khodier
- Central lab for marine fish diagnosing and treatment and measuring fish and water quality, Marine Aquaculture Development (MADEӀӀ), Egypt
| | - Faisal Almathen
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia; Camel Research Center, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Al-Shaimaa T Hanafy
- Department of Bacteriology, Animal Health Research Institute, Portsaid laboratory Branch, Egypt
| | - Sarah M Abbas
- Department of Bacteriology, Animal Health Research Institute, Portsaid laboratory Branch, Egypt
| | - Salah Abdulaziz Al-Shami
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Saad Ibrahim Al-Sultan
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Ahmed Alfifi
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Reham M El-Tarabili
- Department of Bacteriology, Immunology and Mycology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt.
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Asgharzadeh Marghmalek S, Valadan R, Gholami M, Nasrolahei M, Goli HR. Survey on antimicrobial resistance and virulence-related genes in Enterococcus faecium and Enterococcus faecalis collected from hospital environment in the north of Iran. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Interplay between ESKAPE Pathogens and Immunity in Skin Infections: An Overview of the Major Determinants of Virulence and Antibiotic Resistance. Pathogens 2021; 10:pathogens10020148. [PMID: 33540588 PMCID: PMC7912840 DOI: 10.3390/pathogens10020148] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/26/2021] [Accepted: 01/27/2021] [Indexed: 12/16/2022] Open
Abstract
The skin is the largest organ in the human body, acting as a physical and immunological barrier against pathogenic microorganisms. The cutaneous lesions constitute a gateway for microbial contamination that can lead to chronic wounds and other invasive infections. Chronic wounds are considered as serious public health problems due the related social, psychological and economic consequences. The group of bacteria known as ESKAPE (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa and Enterobacter sp.) are among the most prevalent bacteria in cutaneous infections. These pathogens have a high level of incidence in hospital environments and several strains present phenotypes of multidrug resistance. In this review, we discuss some important aspects of skin immunology and the involvement of ESKAPE in wound infections. First, we introduce some fundamental aspects of skin physiology and immunology related to cutaneous infections. Following this, the major virulence factors involved in colonization and tissue damage are highlighted, as well as the most frequently detected antimicrobial resistance genes. ESKAPE pathogens express several virulence determinants that overcome the skin's physical and immunological barriers, enabling them to cause severe wound infections. The high ability these bacteria to acquire resistance is alarming, particularly in the hospital settings where immunocompromised individuals are exposed to these pathogens. Knowledge about the virulence and resistance markers of these species is important in order to develop new strategies to detect and treat their associated infections.
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Lohrasbi V, Karimaei S, Abdi M, Noohi N, Hassannejad M, Talebi M. Comprehensive analysis of Enterococcus strains isolated from human microbiome and evaluation of their benefits for digestive system. Meta Gene 2020. [DOI: 10.1016/j.mgene.2020.100726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Effectiveness of Biosynthesized Trimetallic Au/Pt/Ag Nanoparticles on Planktonic and Biofilm Enterococcus faecalis and Enterococcus faecium Forms. J CLUST SCI 2019. [DOI: 10.1007/s10876-019-01570-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Kang SJ, Choi SM, Choi JA, Choi JU, Oh TH, Kim SE, Kim UJ, Won EJ, Jang HC, Park KH, Shin JH, Kweon SS, Jung SI. Factors affecting the clinical relevance of Corynebacterium striatum isolated from blood cultures. PLoS One 2018; 13:e0199454. [PMID: 29928059 PMCID: PMC6013186 DOI: 10.1371/journal.pone.0199454] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 06/07/2018] [Indexed: 02/07/2023] Open
Abstract
This study aimed to identify clinical or microbiological factors affecting the clinical relevance of Corynebacterium striatum isolated from blood cultures. A total of 64 isolates from 51 patients identified as C. striatum by matrix assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and 16S rRNA gene sequencing were assessed. More than two blood cultures were positive in 25 (48.1%) patients. Diabetes, solid tumor, and a history of previous exposure to antibiotics were more common in patients with multiple positive blood cultures. Charlson comorbidity scores were also higher, and more isolates were recovered after 48 hours of hospital stay in patients with multiple positive blood cultures. Strains recovered from patients with multiple positive blood cultures produced significantly more biofilm. Based on multilocus sequence typing (MLST), sequence type (ST) 20 (31.3%) was the most dominant, followed by ST2 (20.3%) and ST23 (10.9%). There was no relationship between the number of positive blood culture sets and sequence typing. In multivariate analyses, Carlson comorbidity score (odds ratio [OR], 1.91; 95% confidence interval [CI], 1.09–3.36; P = 0.03) and biofilm formation were associated with multiple positive blood cultures (OR, 17.43; 95% CI, 3.71–81.91; P = 0.03). This study provides evidence that the biofilm phenotype could contribute to determining the clinical significance of C. striatum in patients with severe underlying conditions. The predominance of certain STs suggests the relatedness of C. striatum infection and the nosocomial environment.
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Affiliation(s)
- Seung Ji Kang
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Su-Mi Choi
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Jin-A Choi
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Jin Un Choi
- Department of Laboratory Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Tae-Hoon Oh
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Seong Eun Kim
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Uh Jin Kim
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Eun Jeong Won
- Department of Laboratory Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Hee-Chang Jang
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Kyung-Hwa Park
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Jong Hee Shin
- Department of Laboratory Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Sun-Seog Kweon
- Department of Preventive Medicine, Chonnam National University Medical School, Gwangju, South Korea
| | - Sook-In Jung
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, South Korea
- * E-mail:
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Biofilm formation in enterococci: genotype-phenotype correlations and inhibition by vancomycin. Sci Rep 2017; 7:5733. [PMID: 28720810 PMCID: PMC5515943 DOI: 10.1038/s41598-017-05901-0] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 06/06/2017] [Indexed: 11/08/2022] Open
Abstract
Enterococci are nosocomial pathogens that can form biofilms, which contribute to their virulence and antibiotic resistance. Although many genes involved in biofilm formation have been defined, their distribution among enterococci has not been comprehensively studied on a genome scale, and their diagnostic ability to predict biofilm phenotypes is not fully established. Here, we assessed the biofilm-forming ability of 90 enterococcal clinical isolates. Major patterns of virulence gene distribution in enterococcal genomes were identified, and the differentiating virulence genes were screened by polymerase chain reaction (PCR) in 31 of the clinical isolates. We found that detection of gelE in Enterococcus faecalis is not sufficient to predict gelatinase activity unless fsrAB, or fsrB alone, is PCR-positive (P = 0.0026 and 0.0012, respectively). We also found that agg is significantly enriched in isolates with medium and strong biofilm formation ability (P = 0.0026). Additionally, vancomycin, applied at sub minimal inhibitory concentrations, inhibited biofilm in four out of five strong biofilm-forming isolates. In conclusion, we suggest using agg and fsrB genes, together with the previously established gelE, for better prediction of biofilm strength and gelatinase activity, respectively. Future studies should explore the mechanism of biofilm inhibition by vancomycin and its possible use for antivirulence therapy.
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Gawryszewska I, Malinowska K, Kuch A, Chrobak-Chmiel D, Trokenheim LL, Hryniewicz W, Sadowy E. Distribution of antimicrobial resistance determinants, virulence-associated factors and clustered regularly interspaced palindromic repeats loci in isolates of Enterococcus faecalis from various settings and genetic lineages. Pathog Dis 2017; 75:3059201. [PMID: 28334141 DOI: 10.1093/femspd/ftx021] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 02/24/2017] [Indexed: 12/17/2022] Open
Abstract
Enterococcus faecalis represents an important factor of hospital-associated infections (HAIs). The knowledge on its evolution from a commensal to an opportunistic pathogen is still limited; thus, we performed a study to characterise distribution of factors that may contribute to this adaptation. Using a collection obtained from various settings (hospitalised patients, community carriers, animals, fresh food, sewage, water), we investigated differences in antimicrobial susceptibility, distribution of antimicrobial resistance genes, virulence-associated determinants and phenotypes, and CRISPR loci in the context of the clonal relatedness of isolates. Bayesian Analysis of Population Structure revealed the presence of three major groups; two subgroups comprised almost exclusively HAI isolates, belonging to previously proposed enterococcal high-risk clonal complexes (HiRECCs) 6 and 28. Isolates of these two subgroups were significantly enriched in antimicrobial resistance genes, presumably produced a polysaccharide capsule and often carried the aggregation substance asa1; distribution of other virulence-associated genes, such as esp and cyl, formation of a biofilm and gelatinase production were more variable. Moreover, both subgroups showed a low prevalence of CRISPR-Cas 1 and 3 and presence of small CRISPR2 variants. Our study confirms the importance of HiRECCs in the population of E. faecalis and their confinement to the hospital settings.
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Affiliation(s)
- Iwona Gawryszewska
- Department of Molecular Microbiology, National Medicines Institute, 00-725 Warsaw, Poland
| | - Katarzyna Malinowska
- Department of Epidemiology and Clinical Microbiology, National Medicines Institute, 00-725 Warsaw, Poland
| | - Alicja Kuch
- Department of Epidemiology and Clinical Microbiology, National Medicines Institute, 00-725 Warsaw, Poland
| | - Dorota Chrobak-Chmiel
- Department of Preclinical Sciences, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
| | - Lucja Laniewska- Trokenheim
- Industrial and Food Microbiology, Faculty of Food Science, University of Warmia and Mazury, 10-726 Olsztyn, Poland
| | - Waleria Hryniewicz
- Department of Epidemiology and Clinical Microbiology, National Medicines Institute, 00-725 Warsaw, Poland
| | - Ewa Sadowy
- Department of Molecular Microbiology, National Medicines Institute, 00-725 Warsaw, Poland
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Chen L, Bu Q, Xu H, Liu Y, She P, Tan R, Wu Y. The effect of berberine hydrochloride on Enterococcus faecalis biofilm formation and dispersion in vitro. Microbiol Res 2016; 186-187:44-51. [PMID: 27242142 DOI: 10.1016/j.micres.2016.03.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2015] [Revised: 02/19/2016] [Accepted: 03/08/2016] [Indexed: 01/29/2023]
Abstract
Enterococcus faecalis (E. faecalis) is one of the major causes of biofilm infections. Berberine hydrochloride (BBH) has diverse pharmacological effects; however, the effects and mechanisms of BBH on E. faecalis biofilm formation and dispersion have not been reported. In this study, 99 clinical isolates from the urine samples of patients with urinary tract infections (UTIs) were collected and identified. Ten strains of E. faecalis with biofilm formation ability were studied. BBH inhibited E. faecalis biofilm formation and promoted the biofilm dispersion of E. faecalis. In addition, sortase A and esp expression levels were elevated during early E. faecalis biofilm development, whereas BBH significantly reduced their expression levels. The results of this study indicated that BBH effectively prevents biofilm formation and promotes biofilm dispersion in E. faecalis, most likely by inhibiting the expressions of sortase A and esp.
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Affiliation(s)
- Lihua Chen
- Department of Medicine Clinical Laboratory, the Third Xiangya Hospital of Central South University, Changsha 410013, Hunan, PR China
| | - Qianqian Bu
- Department of Medicine Clinical Laboratory, the Third Xiangya Hospital of Central South University, Changsha 410013, Hunan, PR China
| | - Huan Xu
- Department of Medicine Clinical Laboratory, the Third Xiangya Hospital of Central South University, Changsha 410013, Hunan, PR China
| | - Yuan Liu
- Department of Medicine Clinical Laboratory, the Third Xiangya Hospital of Central South University, Changsha 410013, Hunan, PR China
| | - Pengfei She
- Department of Medicine Clinical Laboratory, the Third Xiangya Hospital of Central South University, Changsha 410013, Hunan, PR China
| | - Ruichen Tan
- Department of Medicine Clinical Laboratory, the Third Xiangya Hospital of Central South University, Changsha 410013, Hunan, PR China
| | - Yong Wu
- Department of Medicine Clinical Laboratory, the Third Xiangya Hospital of Central South University, Changsha 410013, Hunan, PR China.
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