نتایج جستجو برای: resistance genes qacab
تعداد نتایج: 766122 فیلتر نتایج به سال:
Bread wheat is one of the most important food crops which has main position in nutrition of the world's population. The production of this crop were always been faced to a variety of challenges. Powdery mildew, caused by the biotrophic pathogen Blumeria graminis f.sp tritici (Bgt), known as a destructive disease of wheat worldwide. There are several methods to control the disease, but us...
Background and Aim: Due to the widespread use of antimicrobials in veterinary medicine and the increase in livestock production, it seems that the risk of spreading antibiotic resistance in human societies is more related to animals and the veterinary field. In this study, antibiotic resistance, high-level aminoglycoside resistance and frequency of aminoglycoside resistance associated genes amo...
OF2 and VAP genes, probably involved in signal transduction of sugarbeet nematode resistance, have already been cloned in bacterial vector by AFLP molecular marker and a two-hybrid system, respectively. To examine their capability to introduce resistance in sugarbeet, the genes were transferred to plant expression vectors. For this reason, OF2 gene after isolation was inserted within T-DNA of p...
conclusions our outcomes showed elevated incidences of tsst-1 positive and mrsa strains with higher rates of antibiotic resistance. the conflict between our findings and other records may be due to differences in geographic regions. materials and methods the presence of the tsst-1 and meca genes was investigated by polymerase chain reaction (pcr) among s. aureus isolated from 197 clinical sampl...
pyramiding genes related to grain quality and resistance through marker assisted selection (mas) is an important approach in rice breeding programs. marker-assisted selection can be used for monitoring the presence or absence of these genes in breeding populations and can be combined with conventional breeding approaches. this study is a part of cultivar development program in iran through inte...
conclusions the rate of imlsb in s. aureus isolates is relatively high in the northwest iran. since isolates with inducible resistance may mutate and change to constitutive resistance, to prevent clinical treatment failure, d-test should be performed along with routine antibiotic susceptibility tests. in this study, ermc gene was the predominant genetic determinant for the expression of mlsb re...
Objective(s): Macrolide resistant Streptococcus pneumoniae pose an emerging problem globally. The aim of this study was to investigate the prevalence of ermB and mefA genes (macrolide resistant genes) by polymerase chain reaction (PCR) method and to detect drug resistance patterns of S. pneumoniae isolated from clinical samples to macrolides and other antibiotic agents by E-test method. Materia...
Introduction & Objective: Fluoroquinolones are essential antimicrobial agents used to treat UTIs. Clinical experiences have shown a high rate of antibiotic resistance among uropathogens. These resistance are usually the consequence of mutations involving genes encoding gyrA and parC. The aim of this study was to determine antimicrobial resistance pattern and the presence of mutations in regions...
Staphylococcus aureus is colonized in the human nasal cavity and would contaminate hospital and therapeutic environments. This bacterium has a genetic diversity in terms of resistance to antimicrobial agents. Therefore, the purpose of this study was identificatied of Methicillin and Vancomycin resistant genes in Staphylococcus aureus strains which has been isolated from the nasal cavity. 189 pa...
Background and purpose: Plasmid-medicated quinolone resistance (PMQR) genes play an important role in resistance to quinolones. The aim of this study was to determine the frequency of PMQR genes in extended-spectrum β-lactamase-producing (ESBL) Escherichia coli. Materials and methods: This study was done on 240 isolates of E.­coli from urine samples of patients in Kermanshah, Iran. Th...
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