نتایج جستجو برای: biofilm destruction

تعداد نتایج: 60033  

2015
MARILENA BĂTĂIOSU ANCA PREDESCU MONICA SCRIECIU MIHAELA ŢUCULINĂ CONSTANTIN DĂGUCI LUMINIŢA DĂGUCI ANA MARINA ANDREI IULIANA CEAUȘU ILEANA MONICA BANIŢĂ CĂTĂLINA GABRIELA PISOSCHI

Chronic periodontitis is initiated by subgingival biofilm depots that induce a release of a cascade of inflammatory molecules in periodontal structures which finally lead to the destruction of the supporting tissues and alveolar bone. One of these cytokines is the transforming growth factor-β1 (TGF-β1) associated with inflammatory host response, but also involved in healing and fibrosis. Correl...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Saravanan Periasamy Hwang-Soo Joo Anthony C Duong Thanh-Huy L Bach Vee Y Tan Som S Chatterjee Gordon Y C Cheung Michael Otto

Biofilms cause significant problems in the environment and during the treatment of infections. However, the molecular mechanisms underlying biofilm formation are poorly understood. There is a particular lack of knowledge about biofilm maturation processes, such as biofilm structuring and detachment, which are deemed crucial for the maintenance of biofilm viability and the dissemination of cells...

Journal: :iranian journal of pathology 2014
mohsen mirzaee shahin najar peerayeh abdol-majid ghasemian

background & objectives:  methicillin resistance staphylococcus aureus (mrsa) is one of the most important pathogens that causes several nosocomial and community infections. adhesion to surfaces and biofilm formation is considered main step in staphylococcal infection. the aims of this study were to determine presence oficaabcd genes and relation to the biofilm formation in of mrsa isolates...

2017
K Vidya Hiranmayi K Sirisha M. V Ramoji Rao P Sudhakar

Periodontitis is a polymicrobial disease caused by complex interactions between distinct pathogens in a biofilm resulting in the destruction of periodontal tissues. It seems evident that unknown microorganisms might be involved in onset or progression of periodontitis. For many decades, research in the field of oral microbiology failed to identify certain subgingival microbiota due to technical...

Abdol-Majid Ghasemian Mohsen Mirzaee, Shahin Najar Peerayeh

Background & Objectives:  Methicillin resistance Staphylococcus aureus (MRSA) is one of the most important pathogens that causes several nosocomial and community infections. Adhesion to surfaces and biofilm formation is considered main step in staphylococcal infection. The aims of this study were to determine presence oficaABCD genes and relation to the biofilm formation in of...

B. Elayarajah R. Rajesh R. S. Kumaravel, S. F. Maleeka Begum

Objective: Intravascular catheter-associated infection has been increasing hospitalization in post-surgery patients mainly due to microbial colonization of the catheter surface and formation of a superficial biofilm layer. The present study is aimed in developing an effective antibacterial device which can prevent colonization of organisms by modification of catheter. Methods: In the present st...

Background and objectives: Carbapenem-resistant and biofilm producing Enterobacteriaceaeare a major health problem. This study was carried to determine the antibacterial and antibiofilm activity of grape seed extract (GSE) against carbapenem-resistant and biofilm producing Enterobacteriaceae isolates. Methods: Antibiotics susceptibility pattern...

Abdolmajid Ghasemian, Bita Bakhshi, Mohsen Mirzaee, Shahin Najar Peerayeh,

Background: The aim of this study was to compare the biofilm formation and the prevalence of biofilm-associated genes between the isolates of methicillin-resistant (MRSA) and methicillin-susceptible (MSSA) Staphylococcus aureus. Methods: In total, 209 S. aureus isolates were collected. The antibiotic susceptibility test was conducted using nine antibiotics according to the guidelines of Clinica...

Journal: :jundishapur journal of microbiology 0
joanna kwiecinska-pirog department of microbiology, faculty of pharmacy, nicolaus copernicus university in torun, collegium medicum of l. rydygier in bydgoszcz, bydgoszcz, poland krzysztof skowron department of microbiology, faculty of pharmacy, nicolaus copernicus university in torun, collegium medicum of l. rydygier in bydgoszcz, bydgoszcz, poland; department of microbiology, faculty of pharmacy, nicolaus copernicus university in torun, collegium medicum of l. rydygier in bydgoszcz, bydgoszcz, poland. tel/fax: +48-525854047 wojciech bartczak department of microbiology, faculty of pharmacy, nicolaus copernicus university in torun, collegium medicum of l. rydygier in bydgoszcz, bydgoszcz, poland eugenia gospodarek-komkowska department of microbiology, faculty of pharmacy, nicolaus copernicus university in torun, collegium medicum of l. rydygier in bydgoszcz, bydgoszcz, poland

conclusions minimum biofilm eradication values of ciprofloxacin obtained in the study are close to the values of the minimal inhibition concentration (mic). results all tested strains formed a biofilm. a value of 1.0 μg/ml ciprofloxacin is mbe50 for the strains of both tested species. an mbe90 value of ciprofloxacin for isolates of p. vulgaris was 2 μg/ml and for p. mirabilis was 512 μg/ml. mat...

Ashraf I Khasawneh, Jumana Abu-Raideh, Mohammad Al-Tamimi, Muna A. Salameh, Nisreen Himsawi, Sameer Al Haj Mahmoud, Tareq Saleh,

Introduction: Biofilm formation in Staphylococcus aureus is a major virulence factor. Both methicillin-sensitive Staphylococcus aureus (MSSA) and methicillin-resistant Staphylococcus aureus (MRSA) are common causes of community- and hospital-acquired infections and are associated with biofilm formation. The status of biofilm-forming genes has not been explored in Jordanian nasal carriers of S. ...

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