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Fungi as Human and Animal Pathogens - Coggle Diagram
Fungi as Human and Animal Pathogens
diseases of warm-blooded animals caused by fungi are known as mycoses (mycosis)
most of these diseases are not fatal
may forever be a source of irritation and can lead to permanent scaring
most of human pathogenic fungi appear to be soil inhabiting species where they live as saprobes
Conidiobulus coronatus
, commonly cause disease in insects, but also known to cause nasal polyps and sinus infection in people
Ustilago maydis
, corn smut is known to cause skin lesions
Some Fungal Human Pathogens
1) Superficial infections, are caused by fungi that attack the skin or its appendages (nail, feathers and hair).
2) Systemic infections, diseases that occur deep within the tissues, involving vital organs and/or the nervous system and which may be fatal, but may also be chronic.
many fungi, especially those cause disease in humans and animals are
DIMORPHIC
- they have two forms
this shift called the
YM shift
Coccidioidomycosis
Coccidioides immitis
, the cause of Coccidioidomycosuis ( Valley Fever)
Candidiasis
Candida albicans
is a dimorphic fungus
found among the normal flora of the mouth, digestive tract
Histoplasmosis
occurs in people and dogs
Histoplasma capsulatum
Aspergillosis
Aspergillus fumigatus
sometimes parasitizes animals, especially birds, infecting mainly lungs and causing heavy mortality
Blastomycosis
Causal agents,
Blastomyces dermatitidis
and
B. brasiliensis
usually detected as skin lesions
can spread throughout the whole body, resulting in extensive ulceration