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polymyxin Definition

poly·myxin (päl′i mik′sin)

noun

any of various antibiotics obtained from strains of a soil bacterium (Bacillus polymyxa), esp. effective against Gram-negative bacteria

Etymology: < ModL (Bacillus) polymyx(a) (< poly-, poly- + -myxa < Gr myxa, mucus) + -in

polymyxin Usage Examples

Adjective modifier

  • cationic: The LPS also interacts unusually with the cationic cyclic peptide polymyxin ( PMB ) to enhance rather than suppress pro-inflammatory cytokines ( 1 ).

Noun used with modifier

  • peptide: The LPS also interacts unusually with the cationic cyclic peptide polymyxin ( PMB ) to enhance rather than suppress pro-inflammatory cytokines ( 1 ).