Fungi Mycology

1
Fungi (Mycology) Text Chapter 8 Basic
Characteristics Common Shapes Yeasts
(spherical) Molds (filamentous) hyphae
mycelium Dimorphism is common
2
How do fungi reproduce? Asexual budding spores
sporangia Sexual and -
types mushrooms
Budding yeast
3
How are Fungi Classified? Characteristics of
sexual reproduction structures Ascomycetes
Basidiomycetes Zygomycetes Deuteromycetes
How many species are there?
4
Importance of Fungi Decomposers Symbiosis myco
rrhizae lichens Predators?? nematophagus
fungi! Food and food production
5
Entomophagus Fungi Cordyceps is important
pathogen of insects
Cordyceps
6
Fungi as Plant Pathogens Agricultural
threats Rust diseases Dutch elm
disease Ophiostoma ulni Other Impacts on
Humans Ergot poisoning Claviceps mycotoxins I
rish potato famine Phytophthora infestans
American Elms before and after Dutch elm
blight (Minnesota Department of Agriculture)
7
In 1940s, Marietta had approximately 2000
American elm trees. How many remain in 2003?
8
Fungi as human pathogens Mycoses Cutaneous
-- common tinea or ringworm tinea
capitis tinea pedis tinea cruris Subcutaneous
or systemic
Cryptococcosis in lung
9
Fungi pathogens, cont. Trychophyton toe
nails Candida albicans -- vaginal
infections -- AIDS Treatments --
challenging -- Ergosterol metabolism Wiki on
antifungals http//en.wikipedia.org/wiki/Antifung
al_drug