Fungi – Introduction
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Fungi – Introduction • Are eukaryotic • Are heterotrophic organisms called saprobes , absorbing their food from decaying matter – thus, they are decomposers! • They release digestive enzymes into their environment and these enzymes break down dead organic matter around them • Fungi then absorb the digested food through their cell walls – different from slime moulds that use endocytosis
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Fungi – Introduction. Are eukaryotic Are heterotrophic organisms called saprobes , absorbing their food from decaying matter – thus, they are decomposers ! They release digestive enzymes into their environment and these enzymes break down dead organic matter around them - PowerPoint PPT Presentation
Transcript of Fungi – Introduction
Fungi – Introduction
• Are eukaryotic• Are heterotrophic organisms called
saprobes, absorbing their food from decaying matter – thus, they are decomposers!
• They release digestive enzymes into their environment and these enzymes break down dead organic matter around them
• Fungi then absorb the digested food through their cell walls – different from slime moulds that use endocytosis
Fungi - Introduction
• Bodies of most fungi consist of threadlike filaments called hyphae
• As hyphae grow they branch, forming a tangled mass called mycelium that can absorb nourishment
Fungi – Caselike Fungi
• Division Zygomycota
• Common moulds, like bread moulds!!
• As their hyphae contact food, they extend into the food source like roots on a plant
Fungi – Saclike Fungi
• Division Ascomycota
• Fungi in this division are characterized by their formation of a sac structure used in reproduction
• Mildews, moulds, yeasts
Fungi – Clublike Fungi• Division Deuteromycota• Known as imperfect fungi
• Are parasitic fungi and fungi that cause diseases like athlete’s foot and yeast infections
• Found that a chemical produced by the fungus inhibited the growth of bacteria
• Penicillin!! The first antibiotic to fight infectious diseases caused by bacteria
• Penicillin prevents the formation of cell walls in reproducing bacteria
Fungi – Clublike Fungi• Antibiotics are substances
produced by a fungus or other micro-organism that inhibits the growth of microbes; not all antibiotics work in the same way
• The mould Trichophyton rubrum causes athlete’s foot
• This fungus thrives in warm, damp places like floors of showers, swimming pools and gyms
• Get reddened, cracked and peeling skin, itching or burning
Let’s youtube it...• The Private Life of Plants – BBC
Wildlife• http://www.youtube.com/watch
?v=puDkLFcCZyI&feature=fvw• The Fungus Amungus• http://www.youtube.com/
watch?v=H6Fnt-wq_jg&feature=PlayList&p=61A1B6BF76AD0D80&index=4
• Night of the Fungus• http://www.youtube.com/
watch?v=jcRp6P0A75o
• The Story of Penicillin• http://www.youtube.com/
watch?v=nwM5JI78xSo&feature=related
• Mushroom Madness (Planet Earth)
• http://www.youtube.com/watch?v=UvTvaxVySlE&feature=PlayList&p=61A1B6BF76AD0D80&index=5
