antimicrobial peptide resistance phenotype 2014-09-26T15:57:03Z An antimicrobial agent resistance phenotype related to resistance or sensitivity to peptides with antimicrobial activity. This class includes ribosomally synthesized peptides, nonribosomally synthesized peptides, and peptides with additional groups attached. **This term was made obsolete because the grouping was too broad to be informative. It combined antimicrobial agents with widely different modes of action. OMP:0007169 OMP:0007881 microbial_phenotype siegele true