Penicillin Resistance MeSH Descriptor Data 2026

MeSH Heading: Penicillin Resistance
Tree Number(s): G06.099.225.500.600; G06.225.347.500.600; G07.690.773.984.269.347.500.600
Unique ID: D010403
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D010403
Scope Note: Nonsusceptibility of an organism to the action of penicillins.
Public MeSH Note: 64
History Note: 64
Date Introduced: 1964/01/01
Last Updated: 2015/06/29

Allowable Qualifiers: drug effects (DE)

ethnology (EH)

genetics (GE)

immunology (IM)

physiology (PH)

radiation effects (RE)

Microbiological Phenomena [G06]
- Bacterial Physiological Phenomena [G06.099]
  - Drug Resistance, Bacterial [G06.099.225]
    - beta-Lactam Resistance [G06.099.225.500]
      - Cephalosporin Resistance [G06.099.225.500.175]
      - Penicillin Resistance [G06.099.225.500.600]
        
        Ampicillin Resistance [G06.099.225.500.600.050]
        
        Methicillin Resistance [G06.099.225.500.600.525]

Microbiological Phenomena [G06]
- Drug Resistance, Microbial [G06.225]
  - Drug Resistance, Bacterial [G06.225.347]
    - beta-Lactam Resistance [G06.225.347.500]
      - Cephalosporin Resistance [G06.225.347.500.175]
      - Penicillin Resistance [G06.225.347.500.600]
        
        Ampicillin Resistance [G06.225.347.500.600.050]
        
        Methicillin Resistance [G06.225.347.500.600.525]

Physiological Phenomena [G07]
- Pharmacological and Toxicological Phenomena [G07.690]
  - Pharmacological Phenomena [G07.690.773]
    - Drug Resistance [G07.690.773.984]
      - Drug Resistance, Microbial [G07.690.773.984.269]
        
        Drug Resistance, Bacterial [G07.690.773.984.269.347]
        
        beta-Lactam Resistance [G07.690.773.984.269.347.500]
        
        Cephalosporin Resistance [G07.690.773.984.269.347.500.175]
        
        Penicillin Resistance [G07.690.773.984.269.347.500.600]
        
        Ampicillin Resistance [G07.690.773.984.269.347.500.600.050]
        
        Methicillin Resistance [G07.690.773.984.269.347.500.600.525]

Penicillin Resistance Preferred

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