بسم الله الرحمن الرحيم fungi fungi lab 9 fungi fungi lab 9

بسم الله الرحمن الرحيم بسم الله الرحمن الرحيم

FungiFungi

Lab 9Lab 9

FungiFungi

Lab 9Lab 9

Unlike algae or plants, fungi Unlike algae or plants, fungi lack the chlorophyll lack the chlorophyll

necessary for necessary for photosynthesis and must photosynthesis and must

therefore live as symbiotic therefore live as symbiotic or parasites or saprobes.or parasites or saprobes.

Unlike algae or plants, fungi Unlike algae or plants, fungi lack the chlorophyll lack the chlorophyll

necessary for necessary for photosynthesis and must photosynthesis and must

therefore live as symbiotic therefore live as symbiotic or parasites or saprobes.or parasites or saprobes.

Structure of fungiStructure of fungi

Multicellular…..(Hyphae)Multicellular…..(Hyphae)UnicellularUnicellular

• A mycelium A mycelium is :many hyphae tangled is :many hyphae tangled together. It composes the body of a together. It composes the body of a multicellular fungus.multicellular fungus.

Multicellular…..(Hyphae)Multicellular…..(Hyphae)UnicellularUnicellular

• A mycelium A mycelium is :many hyphae tangled is :many hyphae tangled together. It composes the body of a together. It composes the body of a multicellular fungus.multicellular fungus.

ReproductionReproduction Asexual reproductionAsexual reproduction spore formation, fragmentation, budding and spore formation, fragmentation, budding and

fissionfission

Sexual reproductionSexual reproduction

Asexual reproductionAsexual reproduction spore formation, fragmentation, budding and spore formation, fragmentation, budding and

fissionfission

Sexual reproductionSexual reproduction

-in soil, fruit and vegetables, -in soil, fruit and vegetables, animal feces, and old breadanimal feces, and old bread1- 1- SporangiophoresSporangiophores are usually are usually unbranchedunbranched2- 2- RhizoidsRhizoids are found at the are found at the point where the stolons and point where the stolons and sporangiophores meetsporangiophores meet3- 3- SporangiaSporangia are round, are round, located at the tip of the located at the tip of the sporangiophoressporangiophores4- 4- SporangiosporesSporangiospores are are unicellularunicellular

-in soil, fruit and vegetables, -in soil, fruit and vegetables, animal feces, and old breadanimal feces, and old bread1- 1- SporangiophoresSporangiophores are usually are usually unbranchedunbranched2- 2- RhizoidsRhizoids are found at the are found at the point where the stolons and point where the stolons and sporangiophores meetsporangiophores meet3- 3- SporangiaSporangia are round, are round, located at the tip of the located at the tip of the sporangiophoressporangiophores4- 4- SporangiosporesSporangiospores are are unicellularunicellular

1-1- RhizopusRhizopus1-1- RhizopusRhizopus

Mycelium non – septate Mycelium non – septate (coenocyte), simple or branched(coenocyte), simple or branched

Mycelium non – septate Mycelium non – septate (coenocyte), simple or branched(coenocyte), simple or branched

2-2-AspergillusAspergillus2-2-AspergillusAspergillus

AspergillusAspergillus can be can be found almost found almost anywhere.anywhere.

There is a vesicle in There is a vesicle in the shape of a circle, the shape of a circle, sterigmata growing sterigmata growing out from it.out from it.

all have hyphae are all have hyphae are septate . septate .

AspergillusAspergillus can be can be found almost found almost anywhere.anywhere.

There is a vesicle in There is a vesicle in the shape of a circle, the shape of a circle, sterigmata growing sterigmata growing out from it.out from it.

all have hyphae are all have hyphae are septate . septate .

-Penicillium is almost everywhere, (soils)Penicillium is almost everywhere, (soils)-The conidiophores are simple or branched and are -The conidiophores are simple or branched and are terminated by clusters of flask-shaped sterigmata. The terminated by clusters of flask-shaped sterigmata. The spores (conidia) are produced in chains from the tips of spores (conidia) are produced in chains from the tips of the sterigmata the sterigmata

-Penicillium is almost everywhere, (soils)Penicillium is almost everywhere, (soils)-The conidiophores are simple or branched and are -The conidiophores are simple or branched and are terminated by clusters of flask-shaped sterigmata. The terminated by clusters of flask-shaped sterigmata. The spores (conidia) are produced in chains from the tips of spores (conidia) are produced in chains from the tips of the sterigmata the sterigmata

3-3- penicillium penicillium3-3- penicillium penicillium

Mycelium septate hyphaeMycelium septate hyphaeMycelium septate hyphaeMycelium septate hyphae

4-Agaricus4-Agaricus1-Vegetative body2-Fruiting body:Cap-Gills-Stem-BasidioSpores

1-Vegetative body2-Fruiting body:Cap-Gills-Stem-BasidioSpores

dsarar@ksu.edu.sa