Evaluated gene expressions of Metallo beta lactamase genes GIM and , VIM, SPM in Pseudomonas aeruginosa clinical isolates

Pseudomonas aeruginosa is considered as one of the human health care problems, P. aeruginosa’s carbapenem resistance emerges by several different mechanisms, some of which include carbapenems genes. P. aeruginosa’s carbapenem resistance is a significant health concern, So this study aims to evaluate...

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Veröffentlicht in:Molecular biology reports 2023-12, Vol.50 (12), p.10111-10120
Hauptverfasser: Ali, Marwa Ghalib, Almoneim, Zahraa Abd, Kareem, Sawsan M.
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Kareem, Sawsan M.
description Pseudomonas aeruginosa is considered as one of the human health care problems, P. aeruginosa’s carbapenem resistance emerges by several different mechanisms, some of which include carbapenems genes. P. aeruginosa’s carbapenem resistance is a significant health concern, So this study aims to evaluate MBL gene expressions. The study was conducted at the Department of Microbiology, AL-Mahmoodia Hospital, over one year from January to December 2022. The samples were collected from patients with different clinical sources (Burn, Urine, Wound, Sputum, Ear, and Blood), from different ages while. Samples were collected from three hospitals in Baghdad including Al-Yarmouk Teaching Hospital, AL-Mahmmodiya Hospital, and Child’s Central Teaching Hospital. A study analyzed 55 P. aeruginosa strains from various clinical sources, the study utilizes the chemical characterization, VITEK 2 system, 16s rRNA , antibiogram sensitivity tests, antibiotic susceptibility using eight antibiotics, including Amikacin, Ciprofloxacin, Levofloxacin, Imipenem Meropenem, Piperacillin, Cefepim and Aztreonam. The test of bacterial susceptibility revealed that each isolate was highly resistant to piperacillin, which are 96.36%, and lower resistance to Ciprofloxacin, which are 32%. Phenotypic screening carbapenem resistance methods combined the disk synergy test and conventional PCR that were used to detect isolates by using 16 S rRNA. This proves that the bacteria is P. aeruginosa and computed by measuring gene expression of the target genes ( GIM, VIM, SPM) by using the real-time PCR, which is employed for twenty-five isolates. The result indicates that the expression level of the VIM gene is highly regulated in carbapenem-resistance isolates compared to control isolates that is 1.00. While the expression level of gene GIM and SPM is downregulated in carbapenem-resistance isolates compared to control isolates that is 6. The carbapenem VIM and GIM , SPM (class B) genes are essential for resistance in P. aeruginosa induced by chromosomal changes that modify membrane permeability efflux pump overexpression for genes. As a result, many studies require for discovering new strategies to reduce the threat to public health through preventing the spread of these isolates via tight infections, control measures, and the reduction of the danger to public health.
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P. aeruginosa’s carbapenem resistance is a significant health concern, So this study aims to evaluate MBL gene expressions. The study was conducted at the Department of Microbiology, AL-Mahmoodia Hospital, over one year from January to December 2022. The samples were collected from patients with different clinical sources (Burn, Urine, Wound, Sputum, Ear, and Blood), from different ages while. Samples were collected from three hospitals in Baghdad including Al-Yarmouk Teaching Hospital, AL-Mahmmodiya Hospital, and Child’s Central Teaching Hospital. A study analyzed 55 P. aeruginosa strains from various clinical sources, the study utilizes the chemical characterization, VITEK 2 system, 16s rRNA , antibiogram sensitivity tests, antibiotic susceptibility using eight antibiotics, including Amikacin, Ciprofloxacin, Levofloxacin, Imipenem Meropenem, Piperacillin, Cefepim and Aztreonam. 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subjects Amikacin
Animal Anatomy
Animal Biochemistry
Anti-Bacterial Agents - pharmacology
antibiotic resistance
Antibiotics
Aztreonam
beta-Lactamases - genetics
beta-Lactamases - metabolism
Biomedical and Life Sciences
blood
Carbapenems
Carbapenems - pharmacology
Child
children
Ciprofloxacin
class
Clinical isolates
Gene Expression
Genes
health services
Histology
hospitals
human health
Humans
Imipenem
Levofloxacin
Life Sciences
Membrane permeability
Meropenem
Metallo-β-lactamase
Microbial Sensitivity Tests
microbiology
Morphology
Original Article
phenotype
Piperacillin
Pseudomonas aeruginosa
Pseudomonas aeruginosa - genetics
Pseudomonas Infections - genetics
Pseudomonas Infections - microbiology
Public health
quantitative polymerase chain reaction
Real-Time Polymerase Chain Reaction
RNA, Ribosomal, 16S
rRNA 16S
Sputum
Teaching hospitals
transporters
urine
title Evaluated gene expressions of Metallo beta lactamase genes GIM and , VIM, SPM in Pseudomonas aeruginosa clinical isolates
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