Fungi

Fungi

Heterotrophs:

•Decomposers

•Symbionts.

Fungi

Mycelia:•Networks of branched hyphae

•May or may not have septa

•Adapted for absorption.

Fungi

Mycelia:•Can trap and kill prey

•Can penetrate plant cells.

Fungi

Reproduction:

•Sexual or asexual.

Fungi

Phyla:

Fungi

Two phyla worth remembering:

•Ascomycetes

•Called sac fungi or cup fungi

Fungi

Two phyla worth remembering:

•Ascomycetes

•Called sac fungi or cup fungi

•Includes truffles, morels, and bread mold

Fungi

Two phyla worth remembering:

•Ascomycetes

•Called sac fungi or cup fungi

•Includes truffles, morels, and bread mold

•Also includes the mold

we used to study freq-

uency of crossing over.

Fungi

Two phyla worth remembering:

•Basidiomycetes

•Called club fungi

•Includes mushrooms, shelf fungi, and puffballs

Fungi

Ecological significance of fungi:

•Microrrhizae help plants like soybeans to fix nitrogen from the soil.

Fungi

Ecological significance of fungi:

•Cattle and insects both use fungi to help digest plant matter. Some insects will actually “farm” the fungi.

Fungi

Ecological significance of fungi:

•Lichens are a symbiotic association of fungi with algae.

Fungi

Pathogens:

•Corn smut.

Fungi

Pathogens:

•Tar spot.

Fungi

Pathogens:

•Aspergillus.

Fungi

Pathogens:

•Ergot.

Fungi

Pathogens:

•Athlete’s foot

•Ringworm

•Candida (yeast infection)

•Sick building syndrome

Fungi

Practical uses:

•Roquefort and bleu cheeses

•Baker’s yeast and brewer’s yeast

•Penicillin