Flashcards in Intro to Fungi Deck (35):
Fungi gets __ from breaking down __ chemo-organotrophic eukaryote
Lacks _____ and forms ____
Cell wall - polysaccharides, chitin or cellulose
Membrane - ergosterol(major sterol)
Classification is based on
major types as moulds, yeasts or mushrooms
Fungi that favour a unicellular habit
Fungi are a significant cause of
Thrush is caused by
pityriasis versicolor is caused by ........ They can form .....
Malassezia spp. (yeast)
athlete’s foot (mould)
Dermatophytes are _____ which can cause infections of the skin, hair, and nails due to their ability to utilize _____ . They also have the ability to form .....
Epidermophyton, Microsporum and Trichophyton are _____ and cause
athlete foots (mould)
______species infect deep organs of patients with immune dysfunction, e.g. after abdominal surgery, burns, etc. (cases often in ICU)
______ spp. infect deep organs of patients undergoing e.g. chemotherapy, stem cell transplantation
_____ contributes to pathogenicity of fungal inf
environment, broad spect anti-biotic, immune suppression (disease , iatrogenesis or both)
Which candida sp. have hyphae? What colour colony do they form in chrom agar?
C. albicans (mainly oral)
Candida in vagina is caused by ...... and shows up ...... in selective chrom agar
Candida in skin is caused by ...... and shows up ...... in selective chrom agar
Candida in nails is caused by ...... and shows up ...... in selective chrom agar
Candida reside in GI as a commensal flora and most infection are ........
Candida infection are mostly superficial (nails, skin etc.) and some are disseminated - these types are called......
Deep seated - occurs in immuno-compromised
Spore formation occurs in ...
Chronic mucocutaneous candida inf occurs in ....... and the disease is called ...........
endocrine and immune dys patients
APECED (autoimmune polyendocrinopathy-candidiasis ectodermal dystrophy
Aspergillus (mould) is present in environment and inhalation of ....... can cause disease. It is .... as it can penetrate the blood vessel walls
Asp fumigatus causes
Asp flavus causes
asthma with eosinophilia
Invasive pulmonary aspergillus could cause ........ malignancy
Cryptococcus (yeast) falls under..... group
Cryptococcus neoformans causes ......... cryptococcosis
Cryptococcus gattii cause
meningitis - esp in patients with AIDS
.............. stain is used for direct smear e.g. vaginal
PAS (periodic acid schiff)
Common diagnostic is histopath and high-resolution ......
e.g. Dermatophytes in skin scales (KOH prep)
bind to ergosterols in cell wall
inhibit ergosterols syn