Lecture seventeen 11 12 08

Lecture seventeen - Endophyte Lives inside a plant Corn Fungus grows within the seedling Fusarium Eventually it also grows into the developing ears

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Corn Endophyte Lives inside a plant
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Eventually it also grows into the developing ears and the seed Fusarium Fungus grows within the seedling
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Fusarium Fusarium Fusarium is not usually damaging but can be an opportunist
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Such as Staphylococcus Infect a wound Similarly, bacteria on human skin can be opportunistic bacterial cells
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Staphylococcus Infect a wound Opportunist causes staph-infections of wounds
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Fusarium Opportunists Corn ear worm Take advantage of a compromised host
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Corn ear worm
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Predisposes corn to ear rot Fusarium verticillioides Corn ear worm Corn ear rot
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Corn ear rot Fumonisins B 1 2 Fusarium verticillioides
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Fumonisins B 1 2 Horses ate contaminated grain
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which caused brain damage Leukoencephalomalacia Horses ate contaminated grain
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Esophageal cancer Fumonisins Evidence for an effect on people? Northern Italy
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4 ppm 1ppm 50ppm Maximum level of fumonisins in food = 4000 ppb
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Management of fumonisin in corn Biological control Insecticides = to prevent ear worm damage Bacillus thuringensis = Bt Biological pesticide
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toxin Kills insects Bacillus thuringensis = Bt
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This note was uploaded on 05/30/2009 for the course SAS 30 taught by Professor Wilhelm during the Fall '08 term at UC Davis.

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Lecture seventeen - Endophyte Lives inside a plant Corn Fungus grows within the seedling Fusarium Eventually it also grows into the developing ears

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