All Notes

Top 10 Fungal Pathogens: List with short Descriptions, and Footage

Top 10 Fungal Pathogens List

A list of the Top 10 Fungal Pathogens is summarized as follows-

  1. Candida albicans
  2. Aspergillus fumigatus
  3. Cryptococcus neoformans
  4. Histoplasma capsulatum
  5. Blastomyces dermatitidis
  6. Coccidioides immitis (and C. posadasii)
  7. Pneumocystis jirovecii
  8. Mucor species (and Rhizopus spp.)
  9. Trichophyton spp.
  10. Sporothrix schenckii

Short Descriptions of Top 10 Fungal Pathogens

Candida albicans

  • A yeast-like fungus that is part of the normal flora but can cause oral thrush, vaginal candidiasis, and systemic infections in immunocompromised individuals.

Aspergillus fumigatus

  • A filamentous fungus causing aspergillosis, particularly in immunocompromised patients. It can affect the lungs, sinuses, and other organs.

Cryptococcus neoformans

Histoplasma capsulatum

  • A dimorphic fungus causes histoplasmosis, which primarily affects the lungs. It is found in soil contaminated with bird or bat droppings.

Blastomyces dermatitidis

  • A dimorphic fungus responsible for blastomycosis, a pulmonary and sometimes systemic fungal infection, often acquired through inhaling spores in moist soil.

Coccidioides immitis (and C. posadasii)

  • These dimorphic fungi cause coccidioidomycosis (Valley fever), a respiratory disease endemic to arid regions of the Americas.

Pneumocystis jirovecii

  • A fungus causing Pneumocystis pneumonia (PCP), is a life-threatening condition in immunocompromised individuals, particularly those with HIV/AIDS.

Mucor species (and Rhizopus spp.)

  • These fungi cause mucormycosis, a rapidly progressing and often fatal disease, particularly in diabetics and immunocompromised individuals.

Trichophyton spp.

  • A dermatophyte causes superficial fungal infections, such as tinea pedis (athlete’s foot), tinea corporis (ringworm), and onychomycosis (nail infections).

Sporothrix schenckii

  • A dimorphic fungus is responsible for sporotrichosis (rose gardener’s disease), a subcutaneous infection acquired through skin trauma.

Footage

Candida albicans colony morphology on Sabouraud dextrose agar (SDA)

Fig. Candida albicans colony morphology on Sabouraud dextrose agar (SDA)

Aspergillus fumigatus colony characteristics on Sabouraud dextrose agar (SDA)

Fig. Aspergillus fumigatus colony characteristics on Sabouraud dextrose agar (SDA)

Cryptococcus neoformans colony characteristics on bird seed agar (BSA)

Fig. Cryptococcus neoformans colony characteristics on bird seed agar (BSA)

Mucor colony morphology on SDA

Fig. Mucor colony morphology on SDA

Trichophyton mentagrophyte colony morphology on dermatophyte test medium (DTM)

Fig. Trichophyton mentagrophyte colony morphology on dermatophyte test medium (DTM)
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