Abstract:
OBJECTIVES:Isoniazid (INH) resistance is a major contributor to the emergence of multidrug resistance in Mycobacterium tuberculosis (MTB), hampering the success of tuberculosis treatment. This study aimed to identify good leads based on INH derivatives against INH-resistant MTB strains. Mutations at codon 315 in the katG gene encoding catalase-peroxidase (KatG) are the major cause of INH resistance in MTB. The most prevalent substitution is S315T; other substitutions include S315I, S315R, S315N and S315G. METHODS:In this study, all five naturally occurring mutants (S315T, S315I, S315R, S315N and S315G) of KatG were docked and simulated with 50 INH derivatives in comparison with the wild-type (WT) KatG. RESULTS:The docking results suggested that compounds C30, C45 and C50 gave the highest scores when bound to the mutants of KatG. Of note, C50 produced a high score with the WT as well as with three mutants (S315T, S315I and S315R). Simulation studies indicated that C50 exhibited minimal deviation and fluctuation between WT and three mutants compared with C30 and C45, which displayed significant changes with WT and the S315N and S315G mutants, respectively. CONCLUSIONS:C50 can be considered as a better lead for INH-resistant strains. These models demonstrate the binding interaction of all naturally occurring KatG mutants of MTB at position 315 with derivatives of INH. This information will be helpful for lead compound-based identification of derivatives that may be used against INH-resistant MTB strains and may provide a useful structural framework for designing new antitubercular agents that can circumvent INH resistance.
journal_name
J Glob Antimicrob Resistjournal_title
Journal of global antimicrobial resistanceauthors
Unissa AN,Doss C GP,Kumar T,Swathi S,Lakshmi AR,Hanna LEdoi
10.1016/j.jgar.2017.06.014subject
Has Abstractpub_date
2017-12-01 00:00:00pages
57-67eissn
2213-7165issn
2213-7173pii
S2213-7165(17)30136-4journal_volume
11pub_type
杂志文章abstract:OBJECTIVES:The Klebsiella pneumoniae carbapenemase (blaKPC) gene is one of the most widespread carbapenemase genes in the world. However, there are few reports on KPC-producing bacteria in Japan. The aim of this study was therefore to investigate KPC-producing K. pneumoniae in Japan. METHODS:A KPC-2-producingK. pneumo...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.12.007
更新日期:2020-12-26 00:00:00
abstract:OBJECTIVES:Mortality associated with carbapenemase-producing Enterobacteriaceae is high as there are few therapeutic options. Escherichia coli sequence type 410 (ST410) is currently an international high-risk clone and is responsible for a large number of clinical infections. Here we report the draft genome sequence of...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.10.027
更新日期:2019-12-01 00:00:00
abstract:OBJECTIVES:Infections caused by multidrug-resistant Gram-negative bacteria are associated with high mortality. A relevant concern is the efficacy of antibiotic therapy in burn patients in whom pathophysiological changes strongly influence pharmacokinetic (PK) parameters. This study aimed to describe the PK parameters o...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.06.011
更新日期:2020-03-01 00:00:00
abstract:OBJECTIVES:Bacillus spp., which have relevance to pseudo-epidemics in clinics, may cause serious infections as well as high morbidity and mortality in hospitalised patients with haematological malignancies. Here we report the isolation of Bacillus sp. M13(2017) with a multidrug-resistant phenotype and spore-producing s...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2018.07.002
更新日期:2018-09-01 00:00:00
abstract::The genus Kluyvera comprises potential pathogens that can cause many infections. This study reports a Kluyvera intermedia strain (FOSA7093) from a pancreatic cyst specimen from a long-term hospitalised patient. Whole-genome sequencing (WGS) of the K. intermedia isolate was performed and the strain was reported as sens...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2017.05.007
更新日期:2017-09-01 00:00:00
abstract:OBJECTIVES:With a worrisome surge of carbapenem-resistant bacterial isolates, the diagnostic arsenal has become in dire need of affordable and timely assays to detect the rapidly transmissible carbapenemases. Employing multiplex PCR as a reference method, the purpose of the present study was to compare the performance ...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2016.12.015
更新日期:2017-06-01 00:00:00
abstract:OBJECTIVES:This meta-analysis was performed to compare polymyxin monotherapy and polymyxin-based combination therapy for carbapenem-resistant Klebsiella pneumoniae (CR-KP) infections. METHODS:We conducted searches on MEDLINE, Embase and Cochrane Collaborative database for both observational studies and randomised cont...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.08.024
更新日期:2020-12-01 00:00:00
abstract:OBJECTIVES:Treatment of leishmaniasis remains a challenge, especially due to the need for multiple painful injections, the toxicity of current drugs against the disease, their lack of efficacy and, lately, drug resistance. The aim of this study was to demonstrate the biological behaviour of 3-nitro-2'-hydroxy-4',6'-dim...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2017.11.012
更新日期:2018-06-01 00:00:00
abstract:BACKGROUND AND AIM:The global rise of antimicrobial resistance among bacterial strains is a rapidly growing challenge and is becoming a major public health concern. This study documents the worldwide spread and genotype distribution of human clinical isolates of New Delhi metallo-β-lactamase-producing Klebsiella pneumo...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章,评审
doi:10.1016/j.jgar.2020.10.016
更新日期:2020-12-01 00:00:00
abstract::Although molecular methods can now provide fast identification and the antibiotic susceptibility profile of infecting pathogens, these techniques are not affordable by a large majority of clinical laboratories in developing countries and can be considered excessive for simple, community-acquired infections. Most antib...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2013.01.001
更新日期:2013-03-01 00:00:00
abstract:OBJECTIVES:Thousands of cases of multidrug-resistant tuberculosis (TB) have been observed in the Philippines, but studies on the Mycobacterium tuberculosis (MTB) genotypes that underlie the observed drug resistance profiles are lacking. This study aimed to analyse the whole genomes of clinical MTB isolates representing...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2018.08.009
更新日期:2018-12-01 00:00:00
abstract::Acinetobacter baumannii coccobacilli are dangerous to patients in intensive care units because of their multidrug resistance to antibiotics, developed mainly in the past decade. This study aimed to examine whether there is a significant correlation between the number of Pro-Ala repeats in the CAP01997 protein, the Emr...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2016.09.004
更新日期:2016-12-01 00:00:00
abstract:OBJECTIVES:This study aimed to isolate and characterise extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) isolates from animals and wastewater in Tunisia. METHODS:ESBL-E from wastewater (n=123 samples), faeces of healthy animals (poultry, sheep, goats and calves) (n=140) and raw milk from healthy cow...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.01.002
更新日期:2019-06-01 00:00:00
abstract:OBJECTIVES:To determine the contribution of specific uropathogenic Escherichia coli (UPEC) lineages, drug resistance genes, and plasmid incompatibility/replicon (Inc) groups to the prevalence of β-lactam-resistant urinary tract infections (UTIs) in a university community. METHODS:Urine samples were consecutively colle...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.03.002
更新日期:2019-12-01 00:00:00
abstract:OBJECTIVES:Multidrug-resistant (MDR) enterococci are found extensively in food samples. This study characterized the phenotypic virulence factors and the ability of horizontal gene transfer of a streptomycin resistance gene among enterococci isolated from fermented pork. METHODS:Thirty-six MDR enterococci were subject...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.04.016
更新日期:2020-09-01 00:00:00
abstract:OBJECTIVES:Multidrug-resistant bacteria have become a serious threat worldwide. In particular, the coexistence of carbapenemase genes and mcr-1 leaves few available treatment options. Here we report a multidrug-resistant Escherichia coli isolate harbouring both mcr-1 and blaNDM-9 from a patient with a urinary tract inf...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2018.10.003
更新日期:2019-03-01 00:00:00
abstract:OBJECTIVES:Escherichia coli and Enterobacter cloacae are two major pathogens causing urinary tract infection (UTI). Here we characterised the genome of an NDM-1-producing E. cloacae strain and an extended-spectrum β-lactamase (ESBL)-producing E. coli strain that were co-isolated from a UTI. METHODS:The genomes of E. c...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.04.007
更新日期:2019-06-01 00:00:00
abstract:OBJECTIVE:The production of β-lactamase enzymes such as AmpC β-lactamases and extended-spectrum β-lactamases (ESBLs) is among the main mechanisms for resistance to expanded-spectrum cephalosporins. The present study was conducted to investigate the prevalence and molecular epidemiology of plasmid-mediated AmpC beta (β)...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.03.011
更新日期:2020-09-01 00:00:00
abstract::Antimicrobial resistance severely limits the therapeutic options for many clinically important bacteria. In Gram-negative bacteria, multidrug resistance is commonly facilitated by plasmids that have the ability to accumulate and transfer refractory genes amongst bacterial populations. The aim of this study was to isol...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2016.01.011
更新日期:2016-06-01 00:00:00
abstract:OBJECTIVES:Cutibacterium acnes (formerly Propionibacterium acnes), an anaerobic Gram-positive bacterium, is a skin commensal and is considered to be associated with acne. Here we report the draft genome sequences of three multidrug-resistant (MDR) C. acnes strains (CA17, CA39 and CA51) isolated from skin lesions of acn...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2017.10.008
更新日期:2017-12-01 00:00:00
abstract:OBJECTIVES:Non-albicans Candida (NAC) species are increasingly identified as pathogens causing oral candidiasis. Incidence rates for azole resistance among NAC species have been continuously reported. This study aimed to evaluate the azole susceptibility profiles and to characterise the azole resistance mechanisms of o...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.01.006
更新日期:2019-06-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to explore the genomic content of a blaKPC-2- and mcr-1-harbouring Escherichia coli strain and to clarify the molecular mechanism for the transmission of multidrug resistance. METHODS:Antimicrobial susceptibility testing was conducted by the broth microdilution method to determine ...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.08.023
更新日期:2020-12-01 00:00:00
abstract:OBJECTIVES:This study describes the characterisation of type 2 IncC plasmids pC-Ec20-KPC and pC-Ec2-KPC, carrying theblaKPC-2 gene, from two multiresistant Escherichia coli recovered in University Hospital of Larissa (Greece) in 2018. METHODS:E. coli strains Ec-2Lar and Ec-20Lar were recovered from rectal swabs of two...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.05.001
更新日期:2019-12-01 00:00:00
abstract::Mycobacterium tuberculosis is naturally resistant to clarithromycin (CLR). The genes Rv3197A (whiB7) and Rv1988 (ermMT) have been shown to be involved in the resistant phenotype. In this study, a CLR-susceptible M. tuberculosis clinical strain was identified, designated as DS3214, and the nucleotide sequences and expr...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2015.07.004
更新日期:2015-12-01 00:00:00
abstract:OBJECTIVES:Malaria treatment is impeded by increasing resistance to conventional antimalarial drugs. Here we explored the activity of ten novel benzothiophene, thiophene and benzene aminoquinolines. METHODS:In vitro testing was performed by the lactate dehydrogenase assay in chloroquine (CQ)-sensitive Plasmodium falci...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.07.027
更新日期:2020-12-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to validate the use of LML antimicrobial gradient strips for quantitative determination of carbapenem susceptibility in Enterobacteriaceae. METHODS:A total of 95 non-redundant Enterobacteriaceae strains isolated during 2012-2014 were used for this validation study. Initially, LML a...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2016.10.010
更新日期:2017-03-01 00:00:00
abstract:OBJECTIVES:Flies have been implicated in the dispersal of medically important bacteria including members of the genus Klebsiella between different environmental compartments. The aim of this study was to retrieve and characterize antibiotic-resistant bacteria from flies collected near to hospitals. METHODS:Flies were ...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.11.021
更新日期:2020-12-07 00:00:00
abstract:OBJECTIVES:Pseudomonas aeruginosa is the most frequent infectious agent in cystic fibrosis patients. P. aeruginosa resistance to first line antibiotics limits therapeutic options, but the therapeutic potential of older generation antibiotics, such as fosfomycin is under investigation. Fosfomycin does not belong to any ...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2020.02.014
更新日期:2020-03-01 00:00:00
abstract::The rapid development of antimicrobial resistance among micro-organisms is a serious public health concern. Moreover, the dissemination of antibiotic-resistant bacteria makes this issue a global problem, and Asia is no exception. For example, since New Delhi metallo-β-lactamase (NDM)-producing Enterobacteriaceae were ...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章,评审
doi:10.1016/j.jgar.2014.02.007
更新日期:2014-09-01 00:00:00
abstract:OBJECTIVES:Rates of nosocomial infections caused by carbapenem-resistant Klebsiella pneumoniae (CRKP) have increased. A meta-analysis was conducted to explore risk factors for CRKP infection in order to provide a theoretical basis for reducing the CRKP infection rate and actively preventing CRKP infection. METHODS:Onl...
journal_title:Journal of global antimicrobial resistance
pub_type: 杂志文章
doi:10.1016/j.jgar.2019.09.006
更新日期:2020-06-01 00:00:00