نتایج جستجو برای: coagulase

تعداد نتایج: 4621  

Journal: :iranian journal of veterinary research 2015
r. moghassem hamidi s. hosseinzadeh s. s. shekarforoush m. poormontaseri a. derakhshandeh

the present study was aimed to identify the frequency of coagulase (coa) and thermonuclease (nuc) genes and staphylococcal enterotoxin a (sea) production among staphylococcus aureus isolated from various sources in shiraz. moreover, the correlation between the sea gene and coagulase and thermonuclease enzymes is also considered. a total of 100 s. aureus were isolated from various sources includ...

2011

Aerobic In clusters ● Coagulase (+): Staphylococcus aureus ● Coagulase (-): Staphylococcus lugdunensis and other coagulase-negative staphylococci In pairs/chains

Journal: :Journal of clinical microbiology 2003
Acácio Gonçalves Rodrigues Cidália Pina-Vaz Sofia Costa-de-Oliveira Christina Tavares

Candida coagulase production was assessed by the classical tube test. All Candida krusei strains were coagulase negative, but most C. albicans and C. tropicalis strains can produce coagulase. Some strains agglutinated the Pastorex Staph-Plus reagent, probably because of antigen similarities to coagulase produced by Staphylococcus aureus that may cause mistakes in clinical laboratories.

Journal: :Nepal Medical College journal : NMCJ 2008
H K Tiwari D Sapkota M R Sen

A total of 288 staphylococcal specimens isolated from different clinical specimens were selected for the evaluation of tests used to detect Staphylococcus aureus. The coagulase (coa) gene PCR was preformed, which confirmed 288 specimens as S. aureus and 51 specimens as coagulase negative staphylococci (CONS). All the specimens were subjected to slide coagulase test, Slidex Staph plus test and t...

Journal: :Applied microbiology 1970
E A Raymond W H Traub

A total of 350 staphylococci isolated from various clinical sources were examined for bound and free coagulase, fermentation of mannitol, and deoxyribonuclease. The economical coagulase-mannitol-agar method of Esber and Faulcomer was found to be suitable for the detection of free coagulase and mannitol fermentation. A significant number of coagulase- and mannitol-negative staphylococci proved t...

Journal: :Arquivos brasileiros de oftalmologia 2007
Adália Dias Dourado Oliveira Ana Luisa Höfling-Lima Rubens Belfort Maria de Fátima Gayoso Waldemar Francisco

PURPOSE To evaluate the fluoroquinolone susceptibilities of ocular isolate coagulase-negative staphylococci (CoNS), identified at the Microbiology Laboratory - UNIFESP. DESIGN Experimental laboratory investigation. METHODS The minimum inhibitory concentrations (MICs) of 21 strains of methicillin-resistant coagulase-negative staphylococci (MRCoNS) and 22 methicillin-sensitive coagulase-negat...

Journal: :Journal of clinical pathology 1990
A S Rossney L F English C T Keane

Five commercial Staphylococcus aureus identification kits--Staphaurex (Wellcome), Staphylase (Oxoid), Staphyslide (bioMèrieux), Biostaph (Medlabs) and Bacto Latex (Difco)--were evaluated for the routine identification of S aureus from primary plates in the routine microbiology laboratory. Comparison was made with two methods of tube coagulase testing and five slide methods for detecting clumpin...

Journal: :Antimicrobial agents and chemotherapy 1986
B F Farber Y C Yee A W Karchmer

We studied the interaction between rifampin and fusidic acid against a group of staphylococci. Of the 20 coagulase-positive strains studied, checkerboard studies revealed synergy in 3 and indifference in 17; time-kill studies revealed synergy in 18 of 19 coagulase-positive strains at both 24 and 48 h. Of the 19 coagulase-negative strains, checkerboard studies revealed synergy in 6 and indiffere...

Journal: :Journal of clinical microbiology 1985
S T Selepak F G Witebsky

For a positive coagulase test with certain isolates of Staphylococcus aureus, inoculation of 0.5 ml of coagulase plasma with at least two colonies and 24 h of incubation at 35 to 37 degrees C may be required. S. aureus does not multiply in coagulase plasma. There is also lot-to-lot variation in the sensitivity of coagulase plasma. On isolates from critical specimens, a negative coagulase test o...

Journal: :Journal of general microbiology 1952
E S DUTHIE L L LORENZ

Different strains of staphylococci vary in ability to produce free coagulase. Methods are given for the selection of suitable strains and for the production and concentration of coagulase from one of them. Of animal plasmas examined, cow, sheep, dog, guinea-pig and mouse showed a relative deficiency in coagulase activator, while plasma of man, monkey, horse, cat, pig, fowl and rabbit contained ...

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