Intro
Other name for sexual and asexual form
teleomorph and anamorph
arthrospores
6 hours
Hyphae classification (how would hyphae be described)
septate, hyaline
Colonies of Cryptococcus look brown when grown on ____media
birdseed agar
fancy name for pigmented hyphae
dematiaceous
Main TWO phylum of fungi that cause infections
Ascomycota and Basidiomycota
Species that causes ringworm in pigs
Microsporum nanum (name changed to Nannizzia nana)
On culture, Aspergillus can look like ____ (another type of fungi)
Penicillium
Geotrichum candidum usually lives in ____ (where do animals acquire it from)
soil, decaying organic matter, feces of animals
Cell wall is only present in ___ form of Pneumocystis carinii
cyst form
Name 2 staining methods to visualize fungal elements in TISSUES
periodic acid-Schiff and methenamine silver imgregnation
Trichophyton equinum
Form of aspergillosis in horses
guttural pouch mycosis
nasal granuloma
keratitis
How do Candida albicans phagocytosis from macrophages
switching from yeast to hyphae form
(releases different signaling molecules to resist and penetrates through macrophage cell)
Types of dermatophytes that can reproduce sexually
Sabouraud dextrose agar
Additives:
1) cycloheximide - antifungal
2) chloramphenicol (& gentamicin) - antibiotic
____ immune response is responsible for clearing infection
cell-mediated
Preferred methods of detection for clinical case
ELISA, PCR
(MALDI-TOF)
Media type that supports all species of Malassezia and ingredient that supplemented to allow for growth
Dixon's agar
lipid-supplementation
Genera of fungi that can cause mycotic abortion in cows
Apsergillus
Systemic mycosis is usually caused by ______ type of fungi (classification type)
saprophytes
Why is it called ringworm?
grow in circular motion as hyphae can't survive in inflammation areas and moves to healthy tissue
Colony color and texture for A. fumigatus
young = velvety/granular, bluish green with white perimeter
old = gray
Catalase and oxidase of Macrorhabdus ornithogaster
and does it like oxygen?
Catalase negative
Oxidase negative
facultative anaerobe
Asexual spores of fungi - 7 types
arthroconidia - released during hyphae fragmentation
blastoconidia - produced by budding
chlamydoconidia - tough cookies, similar to bacterial spores
macroconidia - made by dermatophytes in culture
microconidia - seen with dermatophytes
phialoconidia - seen with Aspergillus
sporangiospores - formed by zygomyctes