gram-positive


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Related to gram-positive: Gram-positive cocci

gram-pos·i·tive

or Gram-pos·i·tive (grăm′pŏz′ĭ-tĭv)
adj.
Of, relating to, or being a bacterium that retains the violet stain used in the Gram stain method.

Gram-positive

adj
(Microbiology) designating bacteria that retain the violet stain in Gram's method

Gram′-pos′itive

(græm)

adj. (often l.c.)
(of bacteria) retaining the violet dye when stained by Gram's method.
[1905–10]

gram-positive

Relating to a group of bacteria that generally are sensitive to the destructive effects of antibiotics or the actions of the body's immune cells. Gram-positive bacteria have relatively thick cell walls and, when subjected to a specialized laboratory staining method, turn a dark-blue color. Compare gram-negative.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.Gram-positive - (of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method
bacteria, bacterium - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
confirming, positive - indicating existence or presence of a suspected condition or pathogen; "a positive pregnancy test"
Translations

gram-pos·i·tive

n. gram-positivo, retención del color o resistencia a la decoloración en la aplicación del método de Gram.

Gram-positive

adj Gram positivo
References in periodicals archive ?
MGB-BP-3 is an antibiotic that has been shown to be active against a broad range of important multi-resistant Gram-positive pathogens.
Published by Hans Christian Gram in 1884, gram staining distinguishes gram-positive bacteria (purple) from gram-negative bacteria (pink).
1,6) The normal alimentary tract micro flora of psittacine birds is composed predominately of gram-positive bacteria, although some gram-negative bacteria can be isolated from apparently healthy psittacine birds.
In gram-positive bacteria, accumulation of single oxygen species was observed after incubation with isoconazole nitrate (TravogenA/ TravocortA).
Till date, doctors lacked the basic insight to prevent and cure these diseases caused by the so-called Gram-positive bacteria.
Comparison of the effects of the antibiotics ampicillin and kanamycin on Gram-positive and Gram-negative bacteria
To the Editor: Varibaculum cambriense is an anaerobic, gram-positive, diphtheroid bacterium that was described by Hall et al.
of Nottingham, UK) describe the various protein secretion systems that are currently understood in detail, including mechanisms for secretion across the cytoplasmic membrane of Gram-negative and Gram-positive bacteria; specialized mechanisms for secretion across the Gram- negative outer membrane; machines that facilitate transport across both membranes of Gram-negative bacteria and, in some cases, membranes of host cells; protein secretion systems in Gram-positive bacteria; and secretion of surface fimbriae/pili.
An agar diffusion method was used to analyze antimicrobial activities of essential oils and extracts of Eucalyptus against medically important gram-positive and gram-negative bacteria.
For patients infected with gram-positive organisms, there was no difference in death rates between patients on linezolid (Zyvox) and patients on a comparator antibiotic.
In contrast to vancomycin, ceftobiprole has in vitro microbiological activity against a broad spectrum of Gram-positive and Gram-negative pathogens.
It exerts strong antibacterial effects against gram-positive and gram-negative bacteria, aerobes, anaerobes as well as Pseudomonas aeruginosa.

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