Self Replicating Proteins May a Clue To Life Origins


The Wisdom Of Life

The proteins in our body must not only be the right configuration, but the right shape. Prions are misfolded proteins that are also self replicating which can cause biological systems to malfunction such as forming holes in the brain called spongiform encephalitis (Mad Cow disease or Crutchfield Jacobs disease in humans).

Prions can spread from one organism to another by mouth, blood or contaminated surfaces. Like infectious viruses, prions can also have variants, or strains, that produce different effects, not all of which are harmful. Unlike the rest of biologically active structures, prions don’t have information-storage molecules like DNA or RNA, yet they are able to copy and transmit biological information. This has strained the idea that all replication of proteins must come from an information coding system like DNA or RNA. While it does put some strain on the validity of our conventional interpretations of how things happen in…

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About agogo22

Director of Manchester School of Samba at http://www.sambaman.org.uk
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