coccus

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coccus

[′käk·əs]
(microbiology)
A form of eubacteria which are more or less spherical in shape.
References in periodicals archive ?
isolates, which are gram-positive cocci, but not against Pseudomonas, while gentamicin was effective against both types of bacteria, corroborating the findings of Matthews (2009).
This showed that Gram-positive cocci are the most common causes of orthopedic infections followed by Pseudomonas.
21) However, all concentrations of cefazolin were consistently above the MIC of cefazolin for gram-positive cocci (1 [micro]g/g) and gram-negative bacilli (4 [micro]g/g).
Streptococcus alactolyticus a Gram-positive cocci, alpha-haemolytic, nonmotile and non-pigmented.
Mixed cultures, which occurred in 7% of initial samples, were excluded from analysis and gram-positive cocci were evaluated as 2 categories, based on clusters or chains/diplococcus morphology.
Klebsiella pneumoniae was the most common Gram-negative bacilli, whereas Streptococcus intermedius was the most common Gram-positive cocci.
Small grey white (usually non-haemolytic) colonies on blood agar plates and lactose fermenting colonies on MacConkey agar plates, showing gram-positive cocci in grape like clusters on gram stain and a positive catalase test was identified as staphylococci.
2,15) The number of each of the following was quantified and recorded: gram-positive cocci, gram-positive rods, gram-negative cocci, gram-negative rods, yeast, hyphae, white blood cells, and red blood cells.
Clinical diagnosis of ovine dermatophilosis was made by characteristic clinical finding and microscopic examination of smears from scab material stained by Gram's and Giemsa staining revealed gram-positive cocci that look like railroad tracks were identified using procedure as described (Pier et al, 1963; Pier, 1967 and OIE, 2004) and confirmed as Dermatophilus congolensis.
The test, running on the GeneXpert system, identifies the bacteria in blood culture bottles showing gram-positive cocci in clusters in around an hour, the company added.
Gram-positive cocci (such as Streptococcus faecalis) account for 80% of community-acquired UTIs in women.
Most DFIs are polymicrobial, with aerobic gram-positive cocci (GPC), especially staphylococci, being the most common causative organisms.

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