Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
Which fungi are the most common producers of myotoxins
|
Aspergillus, Fusarium, Penicillium
|
|
T/F the prescence of a mold that can produce a toxin is as danerous as the prescence of the toxin
|
False. The prescence of the mold may be benign if the toxin is not produced
|
|
which fungi produce aflatoxins
|
aspergillus species like flavus, parasiticus, nidulans
|
|
What foods are usualy the source of aflatoxins
|
peanuts, corn, cotttonseed, oil seed
|
|
What are some diseases associated with aflatoxins
|
hepatocarcinogen, toxic, mutagenic ,teratogenic
acute or chronic toxicity |
|
which fungus produces the trichothecenes toxin
|
Fusarium sporotrichiodes
|
|
What foods may contain trichothecenes
|
small grains, potatoes, corn
|
|
Why is trichothecenes toxic
|
inhibits protein synthesis
|
|
What sxs are associated with Trichothecenes
|
bloody diarrhea, dermal necrosis
|
|
what grop disease is associated wit hFusarium gramineraum
|
fusarium head blight (scab)
|
|
Why are Fumonisins toxic
|
interfere with sphingolipid metabolism/ second messenger
|
|
What species produce fumonisins
|
Fusarium verticilliodes, F. proliferatum
|
|
What food may be a source of fumonisins
|
corn
|
|
What disease can fumonisins cause
|
-leukoencephalomalacia in horses
-esophageal cancer in humans(may be associated with corn mash liquor) |
|
What species produce patulin toxins
|
Penicillin patulinum and other Penicillium and Aspergillus species
|
|
What foods might be tainted with Patulin toxin
|
apples, apple juice
|
|
What disease can be caused by Patulin toxin
|
hemorrhaging in cattle, toxic to cell lines and laboratory animals
|
|
How can mycotoxins be controled pre and post harvest
|
pre-no good control
post- control moisture levels also transgenic plants and biocontrol with non-toxic strains, bacteria, or predators |