What is heterotroph?
an organism that cannot fix carbon from inorganic compounds, so uses organic carbon for growth
What is the fungal wall made up of?
chitin
glucans
what is the fungal cell membrane made up of?
ergosterol
what is the basic unit of growth of fungi?
Hypha
what are hyphae?
branching filaments that make up the mycelium of a fungi
what is a complete septa?
septa with no pores (imperforate)
what is a regulated septa?
septa with pores (perforate)
what is the name of the proteinaceous body near perforate septa in ascomycota?
Woronin body
whatis the name of septa that is protected by a cap called the parenthosome?
dolipores
What 2 factors drive hyphal extension?
- Turgor pressure
2. steady state lysis using the vesicle supply centre
What is steady state lysis sing vesicle supply centre?
- cell transports vesicles to growing hyphal tip using the cytoskeleton
- fuse with membrane
- release nutrients via exocytosis
What are the features of Generative Hyphae (A)?
have clamp connections or spores
What are the features of skeletal hyphae (B)?
long , unbranched , thick/thin walls
What are the features of binding hyphae (C)?
thick walled
frequently branched
What is Conidiation?
biological process in which filamentous fungi reproduce asexually from spores
what are the asexual spored produced by conidiation called?
Conidia
What is basipetal conidiation?
conidiation from the base upwards
What are Basidiomycota?
Basidiomycota are filamentous fungi composed of hyphae and reproduce sexually
What does “Homothallic” mean?
self fertile
What does “Heterothallic” mean?
sex requires a partner
What are the 3 groups of “lower fungi”?
chytridiomycota
zygomycota
glomeromycota
where are chytridiomycota’s found?
- aquatic environments as parasites
- in soils as saprotrophs
where are zygomycota found?
mouldy fruit and bread
why do zygomycetes have no septa?
they have multinucleate mycelium
