نتایج جستجو برای: klebsiella pneumonia

تعداد نتایج: 79818  

Journal: :The European respiratory journal 2011
C W Wieland M H P van Lieshout A J Hoogendijk T van der Poll

In this study, the relative roles of Toll-like receptor (TLR)2 and TLR4 were investigated independently and together. Moreover, we studied the role of haematopoietic compartment in anti-Klebsiella host defence. We infected TLR2 and TLR4 single-, and TLR2×4 double knockout (KO) animals with different doses of Klebsiella pneumoniae. In addition, bone marrow chimeric mice were created and infected...

2009
Azita Leavitt Inna Chmelnitsky Raul Colodner Itzhak Ofek Shiri Navon-Venezia

1 The Laboratory for Molecular Epidemiology and Antibiotic Research, Division of Epidemiology, Tel Aviv Sourasky Medical Center affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. 2 Clinical Microbiology Laboratory, Ha'Emek Medical Center, Afula, Israel 3 Department of Cinical Microbiology and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Tel Av...

Journal: :Antimicrobial agents and chemotherapy 2012
Martin Hoenigl Thomas Valentin Gernot Zarfel Benjamin Wuerstl Eva Leitner Helmut J F Salzer Josefa Posch Robert Krause Andrea J Grisold

To date, no outbreak of carbapenemase-producing bacteria has been reported for Austria. While outbreaks of Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae have been increasingly reported, no outbreak caused by KPC-producing Klebsiella oxytoca has been described yet, to the best of our knowledge. We report an outbreak of KPC-producing K. oxytoca. In 5 months, 31 KPC-producing K...

2017
Hengameh Zandi Seyed Mostafa Tabatabaei Fatemeh Ehsani Mojtaba Babaei Zarch Samira Doosthosseini

INTRODUCTION Frequency of extended-spectrum beta-lactamases (ESBLs) and its variants may vary in different geographical areas, as reports indicate their spread in some certain communities. The aim of this study was to determine the frequency of ESBLs in strains of Klebsiella and E. coli, isolated from patients hospitalized in teaching hospitals of Yazd. METHODS This cross-sectional study was ...

2014
Mai M. Helmy Reham Wasfi

The incidence of resistance by Enterobacteriaceae to β-lactam/β-lactamase inhibitors combination is increasing in Egypt. Three phenotypic techniques, comprising AmpC disk diffusion and inhibition dependent methods using phenylboronic acid (PBA) and cloxacillin, were compared to PCR based method for detection of plasmid mediated AmpC β-lactamase in common urinary tract isolates. A total of 143 i...

Journal: :Antimicrobial agents and chemotherapy 1984
J Zorzópulos A R Trevisán C D Denoya

The generation in vivo of plasmids deleted at specific sites in strains of Klebsiella pneumoniae containing R plasmids, by treatment with high concentrations of acridine orange (1.2 mg/ml) at 42 degrees C are reported. These deletions seem to be site specific because loss of specific restriction fragments after digestion with restriction enzymes was demonstrated.

Journal: :Journal of clinical microbiology 2012
Mohammed Shahid Farrukh Sobia Anuradha Singh Haris M Khan

Cefoxitin-resistant Escherichia coli (n = 109) and Klebsiella pneumoniae (n = 16) isolates collected from patients in India in 2009 to 2010 were screened for bla(ampC) families and mobilizing elements (ISEcp1, IS26, ISCR1, and sul-1-type class 1 integrons) and their association with bla(ampC) and for the occurrence of class A beta-lactamases (BLs) (CTX-M, TEM, and SHV). The concurrent occurrenc...

Journal: :Journal of bacteriology 1981
J Zhu W J Brill

Temperature sensitivity of the regulatory protein coded by nifA prevents the organism from utilizing N2 at 37 degrees C. The purpling of 6-cyanopurine, a function of nifA expression, also is thermolabile.

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2009
Hanna E Sidjabat Fernanda P Silveira Brian A Potoski Kareem M Abu-Elmagd Jennifer M Adams-Haduch David L Paterson Yohei Doi

Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae, Escherichia coli, and Serratia marcescens were sequentially identified in a patient who underwent small bowel transplantation. Molecular typing and plasmid analysis suggested that the KPC gene was acquired by E. coli, most likely from K. pneumoniae, and was subsequently transferred to S. marcescens.

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