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...ly stain as Gram-positive. While they are encapsulated, the false positive Gram stain is not due to the classical mucopolysaccharides in the cell wall, but an or

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...treptomyces roseosporus''. The drug is bactericidal against a number of [[Gram stain|Gram-positive]] organisms that often are [[multidrug resistance|multidrug r

...the second and first generation cephalosporins, itis more active against [[Gram stain|gram-negative]] bacteria and less active against gram-positive bacteria. Ce

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...is a third-generation [[cephalosporin]] with excellent activity against [[Gram stain|Gram-negative organisms]]. Its uses include "serious bone and joint infecti

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...n of urethral secretions demonstrating >5 WBC per oil immersion field. The Gram stain is the preferred rapid diagnostic test for evaluating urethritis. It is hig ...al and gonococcal infection in men without polymorphonuclear leukocytes on Gram stain: implications for diagnostic approach and management |journal=Sex Transm Di

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...he antibiotic molecule. The modifications variously improve coverage of [[Gram stain|Gram-negative]] organisms, beta-lactamase resistance, or both. Another app

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'''''Escherichia coli''''' (commonly known as ''E. coli''), is a [[Gram stain|Gram-negative]] flagellated rod-shaped bacterium. It is facultatively anaer

...''' is a genus of facultatively anaerobic, [[oxidase|oxidase-positive]], [[Gram stain|Gram-negative]] bacteria. They are flagellated and in the shape of curved r

The thick cell wall of [[Gram stain|Gram-positive bacteria]] protects them from MAC-based lysis. Other bacteria

...for which antibiotics should be administered promptly, either based on a [[Gram stain]] of cerebrospinal fluid or using empiric criteria.<ref name=eMed-Treat>{{c

A Gram stain of the fluid can guide initial antibiotic therapy.

...tive and [[oxidase-negative]] characteristics of ''Enterobacteriaceae'', [[Gram stain]]s and [[oxidase test]]s are performed. Candidae organisms are Gram and ox