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Lecture 4
The Fungal pathogens
| Term | Definition |
|---|---|
| what are some properties of fungi? | 1. Fungi is non-motile 2. fungi's cell walls contain chitin 3. fungi can be unicellular or multicellular 4. fungi are eukaryotes |
| what are some examples of different types of fungi? | mushrooms, yeast, mold |
| what is chitin? | a large, structural polysaccharide made from chains of modified glucose |
| where do fungi have chitin? | On the cell walls |
| what is the difference between yeast and hyphae structures? | The yeast structure is circular (a bud) while the hyphae structor is a stem form, hyphae is also more invasive |
| what is more invasive, yeast or hyphae structures? why? | The hyphae structure is more invasive because the growth is intermediate and faster. |
| what are some different ways of fungal infection spread? | 1. direct skin to skin contact 2. entry through skin abrasions 3. inhalation of spores |
| what are three different levels of fungal infections (mycoses)? | 1. cutaneous (infection of the epidermis/hair 2. Subcutaneous (penetrates epidermis/dermis to infect deeper tissue) 3. systemic (spreads throughout body |
| what are some examples of fungal diseases that cause more serious illnesses? (like pneumonia or meningitis? | 1. athlete's foot 2. vaginal yeast infection 3. ringworm |
| definition of opportunist infections? | infections that occur more often or are more severe in people with weakened immune systems |
| why can fungal diseases be significant causes of opportunistic infections? | this is because the person's immune system is more weak then other people |
| what are four different reasons fungal infections can be difficult to treat? | 1. they are eukaryotic like human cells, so less drug targets 2. slow growing 3. emerging anti-fungal resistance 4. fungi are embers of healthy human microbiome |
| provide four different examples of "good fungi" and how they are used? | 1.mushrooms are good for eating 2. some yeast is good for bread and other food 3. Penicillium fungi to treat infections caused by bacteria 4.Aspergillus niger used for extracellular enzymes |
| autotroph | organisms that produce their own food |
| heterotroph | organisms that don't produce their own food |
Created by:
anna durda
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