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Revising the meaning of ‘prion’
...When the team examined the human cognates of the prion-proteins, the intrinsically disordered domains were conserved over hundreds of millions of years.
Intrinsically disordered proteins drive emergence and inheritance of biological traits
2011: Mad Cow Disease Agent Can Infect Via the Air
2012: Prion Proteins Play Powerful Role in Survival, Evolution
2014: Prion-Like Protein Controls Long-term Memories
2015: Mad Cow-Like Prion Disease - Human-to-Human Transmission
2014: DARPA Funds Project to See How Meds Trigger Prion Diseases
In summary: * Inherited traits are passed on by prions - with some dating back hundreds of millions of years. As well: * Conscious memories are 'stored' in prions; * Prions are airborne; and * Transmitted human-to-human.
originally posted by: lostbook
...This could really change things in our understanding of humans and the world. I wonder if there are human to animal or animal to human prion transfer(s).....? ...
Mad Rabbit Disease
2005: Mad Cow Disease Is Found In Goat
Mechanism of cross-species prion transmission
Efficiency of interspecies prion transmission decreases as the primary structures of the infectious proteins diverge. Yet, a single prion protein can misfold into multiple infectious conformations, and such differences in "strain conformation" also alter infection specificity.
Cross-kingdom chemical communication drives a heritable, mutually beneficial prion-based transformations of metabolism
originally posted by: FamCore
a reply to: soficrow
Prions are also known to cause "Kuru" (a disease) when humans cannabalize each other
originally posted by: Aliensun
a reply to: soficrow
Can prions explain so-called "instincts" actions outside of genetic dispositions?
originally posted by: SlapMonkey
a reply to: soficrow
...is the way that prions are used in a body passed on via DNA? I mean, is there a code that tells the body how to utilize the prions, and from that, the prions pass down the traits?
…..Prions operate outside the canonical steps of molecular biology’s central dogma. As protein-based elements of inheritance, prions perpetuate not by changing the way that genetic information is transcribed or translated but rather by co- opting the final step in the decoding of genetic information—protein folding. A key feature of prion-forming proteins is their ability to exist in very different stable conformational states. In addition to a “native” nonprion conformation, they occasionally fold into a prion conformation that then replicates itself by templating the conformational conversion of other molecules of the same protein. These changes in conformation profoundly alter the functions of the proteins involved, resulting in phenotypes specific to each determinant protein.
Prions are classifiable as epigenetic regulators because they are able to modify gene expression through protein interactions, as opposed to first receiving “instructions” provided by nucleic acids.
Wouldn't that still mean that inherited traits are still based on DNA, but utilize prions as their information delivery system in the body to actually apply these inherited traits in the individual?
originally posted by: annoyedpharmacist
a reply to: SlapMonkey All proteins are made by transcription of DNA to RNA, and translation of that RNA into proteins. There are some post translational modifications to proteins through enzymatic processes, but that is how all protein is made