Constructing an n-dimensional cell complex from a soup of (n − 1)dimensional faces. Ken Arroyo Ohori, Guillaume Damiand and Hugo Ledoux. In Prosenjit Gupta and Christos Zaroliagis (eds.), Applied Algorithms. First International Conference, ICAA 2014, Kolkata, India, January 13–15, 2014. Proceedings, Volume 8321 of Lecture Notes in Computer Science, Springer International Publishing Switzerland,...

The anesthesiologists from both the United States and China had an open and engaging discussion on intraoperative monitoring of cerebral perfusion and ischemia at the social media – WeChat International Chinese Academy of Anesthesiology (ICAA, www.icaahq.org) group. This discussion is presented here to showcase the role the modern social media plays in enhancing the academic exchange and learni...

Biofilm formation is the leading cause of the pathogenesis of S. aureus associated with biomaterial infections. In S. aureus polysaccharide intercellular adhesin (PIA) was encoded by icaA and icaD genes. Production of PIA is currently responsible for staphylococcal biofilm development. In this study, S. aureus strains isolated from auricular infection (n = 46) and S. aureus ATCC 25923 were phen...

Staphylococcus spp. play an important role in the etiology of bovine mastitis. Staphylococcus aureus is considered the most relevant species due to the production of virulence factors such as slime, which is required for biofilm formation. This study aimed to evaluate biofilm production and its possible relation to beta-lactamic resistance in 20 S. aureus isolates from bovine mastitic milk. The...

BACKGROUND Biofilm production has been established as a virulence factor which allows Staphylococcus to adhere and persist in medical devices. The objective was to determine whether therapeutic failure in patients infected with Staphylococcus spp. is linked to biofilm production, the presence of the ica operon, and the bacterial insertion sequence element IS256. METHODS Staphylococcus spp. is...

Biofilms play a crucial role in the pathogenicity of Staphylococcus epidermidis, while little is known about whether the essential YycFG two-component signal transduction system (TCS) is involved in biofilm formation. We used antisense RNA (asRNA) to silence the yycFG TCS in order to study its regulatory functions in S. epidermidis. Strain 1457 expressing asRNA yycF exhibited a significant dela...

Staphylococci are ubiquitous microorganisms that predominate in normal skin and mucosal flora. Staphylococcus aureus and Staphylococcus epidermidis have been identified as a major cause of nosocomial infections, especially in patients with predisposing factors such as indwelling or implanted foreign bodies. The ability of both S. epidermidis and S. aureus to produce biofilm was compared between...

Methicillin-resistant Staphylococcus aureus is an increasingly important cause of nosocomial bacterial infections worldwide. S. aureus is responsible for several pathologies, including skin infections, endocarditis, meningitis, deeptissue ulcers, and sepsis. S. aureus biofilm formation on catheters and other medical devices is a major post-operative concern, because biofilms are often the sourc...

The rate of the onset of methicillin-resistant Staphylococcus epidermidis infections is increasing in Tunisia. We have isolated 32 S. epidermidis strains from dialysis fluid and needle cultures in dialysis service. The strains were identified by classic methods (colonial morphology, Gram staining, catalase test, coagulase test, and DNase test) as well as by API ID32 Staph. Susceptibilities to 1...