نتایج جستجو برای: lasb
تعداد نتایج: 140 فیلتر نتایج به سال:
The expression of the transcriptional regulatory protein LasR, a main component of the quorum-sensing (QS) system in Pseudomonas aeruginosa, was recently found to be sensitive to several environmental factors in addition to its dependency on cell density. However, the inherent effects of the different factors have seldom been separately demonstrated due to concurrent changes of culture conditio...
Biofilms of the Gram-negative bacterium Pseudomonas aeruginosa are one of the major causes of complicated urinary tract infections with detrimental outcome. To develop novel therapeutic strategies the molecular adaption strategies of P. aeruginosa biofilms to the conditions of the urinary tract were investigated thoroughly at the systems level using transcriptome, proteome, metabolome and enzym...
BACKGROUND Putative virulence factors are responsible for the pathogenicity of UTIs caused by Pseudomonas aeruginosa (P. aeruginosa). Resistance of P. aeruginosa to commonly used antibiotics is caused by the extreme overprescription of those antibiotics. OBJECTIVES The goal of the present study was to investigate the prevalence of virulence factors and the antibiotic resistance patterns of P....
Bacteria, one of the smallest organisms to inhabit the Earth, have some of the largest ecological impacts on their communities. They interact with plants, animals, and other bacteria. Bacteria can be printed using 3D printing methods that recombine different traits of different bacteria. Connell and his research team printed Staphylococcus aureus with a Psuedomonas aeruginosa shell, increasing ...
مقدمه: سودوموناس آئروژینوزا یک پاتوژن فرصت طلب و عامل 10 الی 15 درصد از عفونتهای بیمارستانی می باشد. وجود ژن های حدت یکی از مهم ترین مکانیسم های تهاجمی سودوموناس آئروژینوزا می باشد و این موضوع از نظر پزشکی از اهمیت ویژهای برخوردار است. بیان بسیاری از ژن های بیماریزای باکتری سودوموناس آئروژینوزا به وسیله یک سیستم ژنی به نام سیستم quorum sensing (qs) کنترل و تنظیم میگردند. کروم سنسینگ سیستم ار...
background putative virulence factors are responsible for the pathogenicity of utis caused by pseudomonas aeruginosa (p. aeruginosa). resistance of p. aeruginosa to commonly used antibiotics is caused by the extreme overprescription of those antibiotics. objectives the goal of the present study was to investigate the prevalence of virulence factors and the antibiotic resistance patterns of p. a...
Introduction: Pseudomonas aeruginosa is an ESKAPE (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, P. aeruginosa, and Enterobacter spp.) pathogen one of the leading etiologies in multiple nosocomial infections. Treatment becoming increasingly difficult due to its ever-increasing antibiotic resistance trends. This study investigated clinical multidrug...
Novel pinkish-orange pigmented, Gram-negative staining, half-moon shaped, non-motile, strictly aerobic strains designated AK24(T) and AK26 were isolated from water and sediment samples of Lonar Lake, Buldhana district, Maharahstra, India. Both strains were positive for oxidase, catalase and β-galactosidase activities. The predominant fatty acids were iso-C15:0 (41.5%), anteiso-C15:0 (9.7%), iso...
The quorum sensing (QS) circuit plays a role in the precise regulation of genes controlling virulence factors and biofilm formation in Pseudomonas aeruginosa. QS-controlled biofilm formation by Pseudomonas aeruginosa in clinical settings has remained controversial due to emerging drug resistance; therefore, screening diverse compounds for anti-biofilm or anti-QS activities is important. This st...
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