نتایج جستجو برای: enterococcus faecalis (e.f)

تعداد نتایج: 26676  

Journal: :Antimicrobial agents and chemotherapy 2005
Xiao-Qing Qiu Jie Zhang He Wang George Y Wu

A novel antienterococcal peptide was prepared by fusing the enterococcal cCF10 pheromone to the channel-forming domain of colicin Ia, forming Enterococcus faecalis pheromonicin (PMC-EF). This peptide was bactericidal against vancomycin-resistant Enterococcus faecalis (VRE) organisms. Electron microscopy and vital dyes confirmed increased membrane permeability. All mice made bacteremic with VRE ...

2017
Mengjun Cheng Jiaming Liang Yufeng Zhang Liyuan Hu Pengjuan Gong Ruopeng Cai Lei Zhang Hao Zhang Jinli Ge Yalu Ji Zhimin Guo Xin Feng Changjiang Sun Yongjun Yang Liancheng Lei Wenyu Han Jingmin Gu

Enterococcus faecalis is becoming an increasingly important opportunistic pathogen worldwide, especially because it can cause life-threatening nosocomial infections. Treating E. faecalis infections has become increasingly difficult because of the prevalence of multidrug-resistant E. faecalis strains. Because bacteriophages show specificity for their bacterial hosts, there has been a growth in i...

Journal: :Journal of clinical microbiology 1994
A Miele B P Goldstein M Bandera C Jarvis A Resconi R J Williams

The elfamycins are a class of naturally occurring antibiotics not currently used in the therapy of human disease. Enterococcus faecium and closely related species (Enterococcus durans and Enterococcus hirae) are susceptible to these antibiotics, while isolates of Enterococcus faecalis and other enterococcal species are highly resistant. Among enterococci, susceptibility or resistance to elfamyc...

Journal: :Journal of international oral health : JIOH 2014
Deepak Sharma Rohit Grover Prasanth Sai Pinnameneni Subhra Dey P Ramakrishnam Raju

BACKGROUND To evaluate and compare in vitro the antibacterial efficacy of five antibiotics when added individually to five endodontic sealers against Enterococcus faecalis (EF). MATERIALS & METHODS This controlled trial with systematic allocation method was carried out to detect the combined antibacterial activity of five endodontic sealers (Kerr sealer EWT, Endomethasone, AH26, AH Plus, Roek...

Journal: :Applied and environmental microbiology 2013
Guillermo D Repizo Víctor S Blancato Pablo Mortera Juke S Lolkema Christian Magni

Enterococcus faecalis encodes a biotin-dependent oxaloacetate decarboxylase (OAD), which is constituted by four subunits: E. faecalis carboxyltransferase subunit OadA (termed Ef-A), membrane pump Ef-B, biotin acceptor protein Ef-D, and the novel subunit Ef-H. Our results show that in E. faecalis, subunits Ef-A, Ef-D, and Ef-H form a cytoplasmic soluble complex (termed Ef-AHD) which is also asso...

2016
Cristina Rico-Romano Álvaro Zubizarreta-Macho María-Rosario Baquero-Artigao Jesús Mena-Álvarez

BACKGROUND The goals of this randomized double-blind trial were to assess the antimicrobial activity in vivo of Sodium hypochlorite (NaOCl) vs. chlorhexidine gluconate (CHX) used in combination either with EndoActivator® or IRRI S® files in patients with apical periodontitis. MATERIAL AND METHODS A total of 120 patients with apical periodontitis (in single or multiple root canals) were random...

Journal: :Microbiology and immunology 2014
Michiaki Kudo Takahiro Nomura Sachie Yomoda Koichi Tanimoto Haruyoshi Tomita

Compared with other developed countries, vancomycin-resistant enterococci (VRE) are not widespread in clinical environments in Japan. There have been no VRE outbreaks and only a few VRE strains have sporadically been isolated in our university hospital in Gunma, Japan. To examine the drug susceptibility of Enterococcus faecalis and nosocomial infection caused by non-VRE strains, a retrospective...

2012
María T. Arias-Moliz Pilar Baca Santiago Ordóñez-Becerra María P. González-Rodríguez Carmen M. Ferrer-Luque

OBJECTIVE The antimicrobial activity of lactic acid (LA) alone or in combination with chlorhexidine (CHX) and cetrimide (CTR) against three Enterococcus faecalis strains, E. faecalis ATCC 29212, E. faecalis EF-D1 and E. faecalis U-1765, one Enterococcus durans strain and one dual-species biofilm was investigated. STUDY DESIGN The irrigating solutions tested were 20%, 15%, 10%, 5% and 2.5% LA,...

Journal: :journal of dental materials and techniques 0
zahed mohammadi endodentist, hamadan, iran , loghman rezaei-soufi dental research center and department of operative dentistry, dental school, hamadan university of medical sciences, hamadan, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) tahereh omidipoor department of operative dentistry, dental school, hamadan university of medical sciences, hamadan, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) massoud felegary dentist, ghorveh, iran farshid vahdatinia dental school, hamadan university of medical sciences, hamadan, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

introduction: the purpose of this study was to evaluate the sealing ability of dentin bonding agents in root canals obturated with gutta-percha and mta. methods: forty-five single rooted human premolar teeth were decoronated so that remaining root portions were 12 mm in length. the samples were divided randomly into three experimental (n=13) and two control groups (n=3). all teeth were instrume...

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