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Paecilomyces          Print PDF

Natural Habitat

  • Decaying plant matter
  • Insects
  • Soils

Suitable Substrates in the Indoor Environment

  • Optical Lenses
  • Leather
  • Paper
  • PVC
  • Jute Fibers
  • Tobacco

Water Activity

  • Aw=0.79

Mode of Dissemination

  • Wind

Allergenic Potential

  • Type I (hay fever, asthma)
  • Type III (hypersensitivity)

Potential Opportunist or Pathogen

  • P. variotii causes paecilomycosis (symptoms include keratitis, cellulitis, and alveolitis).
  • Corneal ulcers, keratitis, and endophthalmitis can occur after extended contact lense use or eye surgery due to Paecilomyces infection

Industrial Uses

  • Paecilomyces fumosoroseus is currently marketed as a biocontrol insecticide

Potential Toxins Produced

  • Byssochlamic acid
  • Ferrirubin
  • Fusigen
  • Indole-3-acetic acid
  • Paecilotoxins
  • Patulin.variotin
  • Viriditoxin


P. crustaceus and P. variotii can grow well at temperatures as high as 50°C