Yeast-like Fungi - Flashcards

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YEAST-LIKE FUNGI
WIKIBUGS FLASHCARDS


Sour Crop - Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath

Candidosis

Question Answer Article
What are the three important species of Candida in animal infections?
  • C. albicans
  • C. tropicalis
  • C. pelliculosa
Link to Answer Article
What are the clinical signs of a sour crop infection?
  • White-grey lesions in mouth, oesophagus and crop
  • Thickened crop wall
  • Yellow-white necrotic material in crop
Link to Answer Article
What other conditions are Candida spp. implicated in?
  • Thrush in humans
  • Metritis, pyometra and vaginitis in mares
  • Genital candidiosis in stallions
  • Bovine mastitis
  • Porcine stomach ulcers
Link to Answer Article
How would you demonstrate a Candida infection?
  • Skin scrapings in 20% KOH for microscopy
  • Lactophenol Cotton Blue and stained by Gram or Methylene Blue stain
  • Grows on Blood agar and Sabouraud's Dextrose agar
  • Gram positive, oval, thin-walled budding cells with hyphal fragments
Link to Answer Article


Cryptococcosis

Question Answer Article
What is the main pathogenic species of Cryptococcus?
  • C. neoformans
Link to Answer Article
Where is Cryptococcus found in the environment?
  • Pigeon droppings
  • Fruit
  • Milk
  • Soil
Link to Answer Article
Which body systems are affected?
  • Respiratory
  • Visceral
  • Ocular
  • Skeletal
  • Systemic
  • Cutaneous
Link to Answer Article
Where is the most common site of infection in cats?
  • The tip of the nose
Link to Answer Article
How would you demonstrate a cryptococcosis infection?
  • India Ink
  • PAS
  • Gram stain (positive)
  • Grows on Blood agar and Sabouraud's Dextrose agar
  • Carbohydrate assimilation tests
  • Latex agglutination for antigen, complement fixation, ELISA and IFAT can be used
Link to Answer Article