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16 Cards in this Set
- Front
- Back
What percentage of angiosperm plants from mycorrhizal symbiosis with fungi? |
95% |
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Give an example of how fungi can be a threat |
Chytrid fungi are a major killer of amphibians |
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What are the two forms of fungal growth? |
Yeast and hyphal growth |
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How can dimorphic fungi grow? |
Both with yeast and hyphal growth |
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What does fungal growth depend on? |
the delivery of vesicles to the growth region |
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What supports motility along the cytoskeleton? |
Fungal motors |
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Which motor moves moves towards the negative end? |
dyein |
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Which motor moves towards the positive end? |
Kinesin |
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What is the Spitzenkorper |
serves as a "vesicle supply center" |
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Outline how the spitzenkorper acts as a vesicle supply center |
1. Transport along the cytoskeleton 2. Storage of vesicles in the spitzenkorper 3. Release and fusion with the plasma membrane |
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The spitzenkorper contains several types of vesicles, true or false? |
True, the spitzenkorper contains secretory vesicles and endocytic recycling vesicles. |
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What affects the rate of hyphal growth? |
The rate of vesicle release and motility of the spitzenkorper |
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What is the problem with hyphal growth compared to yeast? |
The death of one cell in hyphal growth would result in the death of many more cells |
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How to fungi over come the problem of cell death and multi-cellularity? |
Damaged hyphal cells are isolated by a plug known as a woronin body |
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How do woronin bodies work? |
They plug the septa in filamentous ascomycetes |
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Where are woronin bodies derived from? |
They are derived from peroxisomes and contains hexagonal protein Hex1 |