نتایج جستجو برای: blactx m 2 protein
تعداد نتایج: 3744772 فیلتر نتایج به سال:
background: the increasing pattern of multi-drug resistant (mdr) bacteria has limited therapeutic options especially for nosocomial isolates of klebsiella pneumoniae. therefore, the aim of this study was the molecular detection of 16s rrna methylase and blactx-m-15 among k. pneumoniae strains isolated from hospitalized patients in mofid, imam hossein and taleghani hospitals. materials and metho...
The aim of this study was to determine the prevalence of extended-spectrum b-lactamase (ESBL)producing Klebsiella pneumoniae isolated from urinary tract and bloodstream infections in a rural hospital in Manhiça, Mozambique. ESBLs were investigated among ceftriaxone-non-susceptible K. pneumoniae clinical isolates recovered between 2004 and 2009. Characterisation of blaCTX-M, blaSHV, blaOXA and b...
OBJECTIVE To investigate the local epidemiology of Klebsiella penumoniae carrying bla(CTX-M-15) in southern China and to characterize the genetic environment of bla(CTX-M-15). METHODS PCR and DNA sequencing were used to detect and characterize the genetic contexts of bla(CTX-M-15). The clonal relatedness of isolates carrying bla(CTX-M-15) was determined by pulse-field gel electrophoresis. Con...
conclusions our study emphasized the increasing role of esbl genes, especially blactx-m15 in epec isolates. results of 42 epec, eight isolates carried the blactx-m1. none of the isolates carried blactx-m2 and blactx-m9. the blactx-m15 variant was identified in all of blactx-m1-positive isolates. furthermore, blashv and blatem genes were detected in 40.5% (n = 17) and 19% (n = 8) of all epec iso...
Background and purpose: Production of beta-lactamase enzymes by bacteria, especially Extended-spectrum β-lactamases (ESBLs) is one of the major problems worldwide. ESBLs are mostly located on bacterial plasmids and it is recognized that SHV, TEM, and CTX-M are prevailing among them. The aim of this study was to determine the ability to produce ESBLs genes based on molecular method among non-fer...
AIM To determine the prevalence and genotypic characterisation of extended spectrum beta-lactamases produced by gram negative bacilli isolated at Mbarara Regional Referral Hospital (MRRH). SAMPLES Gram negative clinical isolates. STUDY DESIGN Laboratory-based descriptive cross-sectional study. PLACE AND DURATION OF THE STUDY MRRH, June and August 2012. METHODS Gram negative clinical iso...
AGGAATCCCATG-30 and CTX-M-R2, 50-GCCGTCTAAGGCGATAAAC-30, were used to amplify the entire allele (876 bp) for sequencing. This revealed that S. enterica serovar Senftenberg strain 9-4 produced CTX-M-3, which was first identified in Poland. Southern hybridization using the whole blaCTX-M gene as a probe showed that the gene was located on a plasmid of < 38 kb in size. Attempts to transfer this pl...
The aim of this work was to investigate the epidemiological and genetic characteristics of ESBL-producing Klebsiella pneumoniae (ESBL-Kp) causing community-onset infections. K. pneumoniae isolates were collected from 31 Chinese secondary hospitals between August 2010 and 2011. Genes encoding ESBL and AmpC beta-lactamases were detected by PCR. The isolates were assigned to sequence types (STs) u...
ABSTRACT Background and Objectives: The emergence of extended-spectrum β-lactamase (ESBL)-producing Shigella spp. is becoming a health concern worldwide. This study aimed to investigate antibiotic resistance pattern and frequency of blaCTX-M, blaSHV, and blaTEM genes among Shigella isolates from patients in hospitals of Tehran, Iran. Methods: In this cross-sectional ...
سابقه و هدف: ایزوله های کلبسیلا پنومونیه مولد بتالاکتامازهای وسیع الطیف (Extended-spectrum beta-lactamases; ESBL)، در بیمارستان ها افزایش یافته و نتیجه آن محدودشدن گزینه های درمانی است. هدف از این مطالعه ارزیابی الگوی حساسیت آنتی بیوتیکی و بررسی حضور ژن های بتالاکتاماز وسیع الطیف در ایزوله های کلبسیلا پنومونیه جداشده از بیماران بستری در بخش مراقبت های ویژه بود. مواد و روش ها: در این م...
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