Gram-positive
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 That is stained violet by Gram's method not-comparable
- 2 That stains dark blue or violet after Gram staining, due to large quantities of peptidoglycan in the cell wall. not-comparable
"Generally, ionophore antibiotics are highly effective against Gram-positive bacteria but exhibit little or no activity against Gram-negative bacteria (Chen and Wolin, 1979; Watanabe et al., 1981)."
Adjective
- 1 (of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method wordnet
Example
More examples"Generally, ionophore antibiotics are highly effective against Gram-positive bacteria but exhibit little or no activity against Gram-negative bacteria (Chen and Wolin, 1979; Watanabe et al., 1981)."
Etymology
From Gram (“a surname”) + positive, after Danish bacteriologist Hans Christian Gram, who invented the Gram staining method.