unlike viruses, Prions reproduce without genes.
a prion is an infectious entity and pathogen. proteins, as you may know (or not), are made of chains of amino-acids. composition dictates how these chains bend and curl, and form dictates function. now, a prion is a mal-formed protein, which causes other, similar proteins similarly denature: thus “reproducing”. they do this without DNA or other reproductive structures.
a common example of a prion infection is mad cow disease, and all prion diseases have similar prognosis: affecting the nervous system and being fatal.
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membranoproliferative reblogged this from tdcthe3rdwall and added:
Prions are kind of really fucking cool. ;P
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tumblr name origins
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