Chemicals and Drugs

Phytoalexins

Secondary metabolites produced and accumulated by plants infected with microbial pathogen or otherwise under abiotic stress. Phytoalexins are structurally diverse but in common play a role in triggering PLANT SYSTEMIC ACQUIRED RESISTANCE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Secondary metabolites produced and accumulated by plants infected with microbial pathogen or otherwise under abiotic stress. Phytoalexins are structurally diverse but in common play a role in triggering PLANT SYSTEMIC ACQUIRED RESISTANCE.

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Classification

Broader headings

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Synonyms

14 entry terms
  • Phytoalexin Metabolites
  • Metabolites, Phytoalexin
  • Diterpenoid Phytoalexins
  • Flavonoid Phytoalexins
  • Indole Phytoalexins
  • Isoflavonoid Phytoalexins
  • Sesquiterpene Phytoalexins
  • Terpenoid Phytoalexins
  • Phytoalexins, Diterpenoid
  • Phytoalexins, Flavonoid
  • Phytoalexins, Indole
  • Phytoalexins, Isoflavonoid
  • Phytoalexins, Sesquiterpene
  • Phytoalexins, Terpenoid

MeSH Record

Aspects Covered

27 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

2023(1976)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Phytoalexins. Medical Subject Headings (MeSH). 2026. Unique ID D000094162. http://id.nlm.nih.gov/mesh/2026/D000094162
  2. Phytoalexins. In: Wikipedia. https://en.wikipedia.org/wiki/Phytoalexin
  3. Phytoalexins. In: Wikidata. https://www.wikidata.org/wiki/Q422870