Multidrug resistant strains

This volume offers a comprehensive overview of basic and applied aspects of Staphylococcus aureus, which is one of the most important human pathogens. It includes sixteen chapters that address the microbiology and immunology of S. aureus, the pathology of its key manifestations, and the current standard of care. Further, it reviews cutting-edge advances in alternative therapeutic and prophylactic approaches to antibiotics.

543p vimeyers 29-05-2024 2 2   Download

In conclusion, sequence analysis may be useful for the rapid detection of STR resistance in MDR M. tuberculosis strains, which in turn could contribute to better control strategies of TB in Vietnam. Other molecular mechanisms associated with STR resistance in STR-resistant strains without mutations in the rpsL and rrs genes need to be further investigated.

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Klebsiella pneumoniae is a recognised agent of multidrug-resistant (MDR) healthcare-associated infections; however, individual strains vary in their virulence potential due to the presence of mobile accessory genes.

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Multidrug-resistant (MDR) Mycobacterium tuberculosis complex strains not detected by commercial molecular drug susceptibility testing (mDST) assays due to the RpoB I491F resistance mutation are threatening the control of MDR tuberculosis (MDR-TB) in Eswatini.

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Multidrug-resistant (MDR) Mycobacterium tuberculosis complex (MTBC) strains are a serious health problem in India, also contributing to one-fourth of the global MDR tuberculosis (TB) burden.

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Resistance to third-generation cephalosporins, often mediated by extended-spectrum beta-lactamases (ESBLs), is a considerable issue in hospital-associated infections as few drugs remain for treatment. ESBL genes are often located on large plasmids that transfer horizontally between strains and species of Enterobacteriaceae and frequently confer resistance to additional drug classes.

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This study aimed to characterize the methicillin-resistant S. aureus strains circulating on the skin of individuals with acne. S. aureus isolates were screened for methicillin resistance by methods including, oxacillin agar (OA), cefoxitin disk diffusion (CDD), and PCR for the mecA gene.

9p viplato 02-01-2024 4 2   Download

To determine antibiotic susceptibility patterns of Pseudomonas aeruginosa isolated at the 108 Military Central Hospital from January 2020 to June 2022. Subject and method: A total of 784 Pseudomonas aeruginosa strains were isolated from patient specimens from different departments.

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Methicillin-resistant Staphylococcus aureus (MRSA) is a threat to global health due to its resistance to β-lactam antibiotics and many other antibiotic classes developed via both intrinsic and acquired mechanisms. In this study, molecular characteristics related to antibiotic resistance of MRSA strain BM85 were investigated by whole-genome sequencing of a sample isolated from a patient with bloodstream infection at Bach Mai Hospital, Vietnam.

10p vimulcahy 18-09-2023 3 3   Download

fter Salmonella strains were isolated from food samples collected randomly at conventional markets in several districts in Ho Chi Minh city, we evaluated antibiotic resistance by Kirby-Bauer methods, and the serotype name was assigned according to ISO/TR 6579-3:2014 and class 1 integron was investigated by PCR technique.

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Antibiotics exposure has been implicated in the emergence of bacterial strains that are resistant to structurally related or unrelated antibiotics. Tylosin is a macrolide antibiotic that has been administered to treat respiratory pathogenic bacteria in swine.

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Escherichia coli is a bacterial species widely distributed among mammals and avian species, and also a member of the normal intestinal microbiota. However, some E. coli strains of different pathotypes can cause disease in both humans and animals. Atypical enteropathogenic E. coli (aEPEC) can infect both animals and humans or influence the severity of other ongoing infections.

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The frequency of these microorganisms in poultry is fairly high than Salmonella and more challenging to measure, which represent an expensive burden charge on public health due to their difficulties to master them, especially with the fast increase rates of multidrug-resistant of thermophilic Campylobacter strains. It is well recognized that Campylobacter spp. is a fastidious cell, difficult to isolate in laboratories owing to their requirements and sensibility.

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The aim of this study was to evaluate the antimicrobial activity of three commercial GSE (Grapefruit Seed Extract) products against six bacterial and one fungal strain, through the agar well diffusion method, determination of minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), and minimum fungicidal concentration (MFC). Obtained results indicate strong antimicrobial effects of investigated extracts, with different microbial susceptibility, including the multidrug-resistant (MDR) bacteria.

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A series of 3-mercapto-1,2,4-triazole–pyrrole hybrids was designed as antimycobacterial agents by employing 5- (4-(1H -pyrrol-1-yl)phenyl)-4H -1,2,4-triazole-3-thiol as the scaffold onto which several types of moieties were introduced in the triazole ring at N-4 and N-2 and as substituents of the mercapto function. The aforementioned moieties are an allyl or a phenyl moiety at N-4; an aminomethyl group at N-2; or methyl, substituted benzyl, ethoxycarbonylmethyl, or substituted phenacyl at sulfur.

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The increasing spectrum of multidrug-resistant bacteria is a major global public health concern, necessitating discovery of novel antimicrobial agents. Here, members of the genus Bacillus are investigated as a potentially attractive source of novel antibiotics due to their broad spectrum of antimicrobial activities. We specifically focus on a computational analysis of the distinctive biosynthetic potential of Bacillus paralicheniformis strains isolated from the Red Sea, an ecosystem exposed to adverse, highly saline and hot conditions.

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Ural genetic family is a part of the Euro-American lineage of Mycobacterium tuberculosis and is endemic in Northern Eurasia (former Soviet Union [FSU]). These strains were long described as drug susceptible and of low virulence, but recent studies reported an increasing circulation of the multidrug-resistant (MDR) and extensively drug-resistant (XDR) Ural strains.

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Multidrug-resistant Neisseria gonorrhoeae strains are prevalent, threatening gonorrhoea treatment globally, and understanding of emergence, evolution, and spread of antimicrobial resistance (AMR) in gonococci remains limited.

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This study presents information on the possible role door handles in a tertiary institution in Rivers State, Nigeria may play as reservoirs of multidrug resistant strains of Staphylococcus aureus. A hundred door handles were sampled using the swab and rinse method involving sterile swab sticks, and samples processed by culturing of Mannitol Salt Agar.

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To determine the distribution and genetic diversity of A. baumannii strains isolated from inpatients at Thanh Nhan Hospital from 10/2017 to 10/2018. Subjects and methods: A descriptive study and laboratory analysis on sixty-seven A. baumannii strains from isolated samples of inpatient at Thanh Nhan Hospital from 2017 to 2018.

8p vimanoban2711 13-04-2021 6 1   Download