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 ?
The findings from a prospective, multi-centre study showed that the test can simultaneously detect and identify Staphylococcus aureus and 11 other gram-positive bacterial gene targets that cause bloodstream infections and three genetic resistance determinants, namely the mecA, vanA and vanB genes, directly from positive blood culture media.
Bacteriuria with gram-positive organisms is associated with lower levels of pyuria (15).
Rib-X Pharmaceuticals Inc has today signed an exclusive worldwide research collaboration agreement and option for license with Sanofi (Euronext: SAN), for novel classes of antibiotics resulting from Rib-X's RX-04 programme for the treatment of resistant Gram-positive and resistant Gram-negative pathogens.
Tissue culture from secretions from both patients showed gram-positive cocci in clusters on the Gram stain, and subsequent cultures yielded MRSA.
A new type of quinolone antibiotic, T-3811 has a wide antibacterial spectrum and beneficial effects on gram-positive bacteria.
In a retrospective study, daptomycin (Cubicin) eradicated infections in 9 of 10 patients with gram-positive osteomyelitis, septic joint infection, septic arthritis infection, and/or bacteremia.
(Palo Alto, CA) has patented a method for identifying of novel serine proteases in Gram-positive microorganisms.
AloeGuard antimicrobial soap contains a high-quality soap base and chloroxylenol 0.5 percent (PCMX), a proven broad-spectrum antimicrobial effective against methicillin-resistant Staphylococcus aureus (MRSA), gram-positive and gram-negative bacteria, yeasts, and fungi.
Bacterial genes encoding beta-lactamases, which break the beta-lactam ring, have been found in both gram-positive and gram-negative bacteria.
Their analyses showed that the presumed protozoan, Epulopiscium fishelsoni, should instead consider gram-positive bacteria its closest kin.
Baxdela demonstrated strong activity against both gram-negative and gram-positive pathogens, including methicillin-resistant Staphylococcus aureus (MRSA).
[USPRwire, Tue Dec 23 2014] GlobalData's clinical trial report, "Gram-Positive Bacterial Infections Global Clinical Trials Review, H2, 2014" provides data on the Gram-Positive Bacterial Infections clinical trial scenario.

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