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Prion protein

prion protein

small, infectious proteinaceous particle, of non-nucleic acid composition because of its resistance to nucleases; the causative agent, either on a sporadic, genetic, or infectious basis, of six neurodegenerative diseases in animals, and four in humans; the latter include the spongiform encephalopathies of kuru, creutzfeldt-Jakob disease, gerstmann-Straussler-Scheinker syndrome and fatal familial insomnia. The gene encoding for the prP is found on chromosome 20.

Synonym: prion.


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Living or not? (viruses,viroids and prions).

As our friend said that living organism is the one with protein or nucleic acid or both and imposes its own form and function into another, i would like to say that prions,viroids and viruses ARE LIVING as a prion changes a normal protein to function like ...

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by Sumanth001
Sun Jun 30, 2013 3:30 am
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 11382

Can prions change the shape of gelatin into a prion? Why or

To my knowledge, they can change only other prion protein, thus unless there is some prion protein in gelatin (which I doubt), it should not be a threat.

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by JackBean
Tue Sep 18, 2012 8:55 am
 
Forum: Human Biology
Topic: Can prions change the shape of gelatin into a prion? Why or
Replies: 1
Views: 1779

Can prions change the shape of gelatin into a prion? Why or

Prions are infectious proteins (misfolded proteins) found in animals. It caused by ingestion of contaminated meat. Basically, ground up bones/waste meat were used as protein supplement for livestock (dead cattle ingesting alive cattle), ...

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by hiyasminguyyoche
Mon Sep 17, 2012 9:45 am
 
Forum: Human Biology
Topic: Can prions change the shape of gelatin into a prion? Why or
Replies: 1
Views: 1779

Fill in the Blanks??

... three examples of disaccharides are_________,_________and__________. 2. proteins are synethised by reaction called_________synthesis,which releases________. ... which of these secondary structures is characteristic of infectious prion protein_______when a proteins secondary or higher order streucture ...

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by biology1290
Mon Jan 23, 2012 3:29 am
 
Forum: General Discussion
Topic: Fill in the Blanks??
Replies: 1
Views: 1835

More general biology questions..

... the liver and kidneys, like endo toxins? 5. According to my textbook, prions can convert normal proteins into proteins simply by coming into contact with them. That must mean they're very ...

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by freedompeace
Fri Apr 15, 2011 12:30 pm
 
Forum: Cell Biology
Topic: More general biology questions..
Replies: 1
Views: 5807
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