نتایج جستجو برای: coagulase gene typing
تعداد نتایج: 1163086 فیلتر نتایج به سال:
the prevalence of methicillin resistant staphylococcus aureus (mrsa) and methicillin sensitivestaphylococcus aureus (mssa) carriage among poultry and poultry farmers in malaysia is largely unknown.in the current investigation, chickens and chicken farmers from 30 chicken farms were screened for mrsaand s. aureus carriage. the genetic characteristics of the isolates were determined through multi...
Cocolonization of human mucosal surfaces causes frequent encounters between various staphylococcal species, creating opportunities for the horizontal acquisition of mobile genetic elements. The majority of Staphylococcus aureus toxins and virulence factors are encoded on S. aureus pathogenicity islands (SaPIs). Horizontal movement of SaPIs between S. aureus strains plays a role in the evolution...
A multiple-primer PCR was used to identify genes encoding aminoglycoside-modifying enzymes in 381 clinical isolates of methicillin-resistant Staphylococcus aureus (MRSA). The technique used three sets of primers delineating specific DNA fragments of the aph(3')-III, ant(4')-I, and aac(6')-aph(2") genes, which influence the MICs of gentamicin, tobramycin, and lividomycin. Isolates with none of t...
Fourteen Staphylococcus epidermidis strains were biotyped according to the scheme of Baird-Parker and tested for their sensitivities to S. epidermidis typing phages. Tetracycline-susceptible strains were tested for the capacity to be transduced to resistance. Five strains, all of biotype 1, were lysed by one or more phages. Five of eight biotype 1 strains were transduced to tetracycline resista...
conclusions as about 70% of methicillin-resistant isolates belonged to sccmec iii, the present study can conclude that, over an 8-year period, only one dominant and stable clone of mrsa strain was found in tabriz hospitals. this finding could be a result of incorrect medical orientations, inadequate infection controlling policies, and insufficient preventive approaches. objectives the current s...
Genetic typing methods of T. gondii strains have been extensively perfected in recent years. From a technical point of view, many tools usable for genetic studied on single-copy loci have been used: RFLP, PCR-RFLP, sequencing, RAPD-PCR and isoenzyme analysis. We described the cloning and sequence analysis of the gene which encodes the major surface antigen (SAG1 or P30) of T. gondii. SAG1 is ...
Catheter related bloodstream infections are a major problem in most tertiary care hospitals. Among the various organisms associated with nosocomial infections, coagulase negative staphylococci are responsible for majority of the catheter related infections. They are usually resistant to standard antibiotics necessitating prolonged hospital stay and amplifying the cost of treatment manifold whic...
The intrinsic resistance of methicillin-resistant Staphylococcus aureus (MRSA) is frequently explained by the production of an additional penicillin-binding protein (PBP), which is encoded by the mecA gene. The mec regulator genes, mecR1 and mecI, was identified in mecA-carrying Staphylococcus aureus N315. Between February and March, 1993, 179 clinical MRSA isolates were collected from institut...
Aerobic In clusters ● Coagulase (+): Staphylococcus aureus ● Coagulase (-): Staphylococcus lugdunensis and other coagulase-negative staphylococci In pairs/chains
The objective of this study was to identify bacteria causing gangrenous ovine mastitis as well as to detect and genotype Staphylococcus aureus in milk samples by using polymerase chain reaction (PCR) amplification and restriction fragment length polymorphism (RFLP) of coagulase gene. A total of 264 milk samples were collected from Awassi sheep with gangrenous mastitis raised in Sanliurfa provin...
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