I don't think this interpretation is very useful. For any cyclic set of dependencies you can pick a random point and say 'this is the key because without it, it all falls apart".
so have you heard of the theory that cells and proteins and DNA were merely invented to help make more ribosomes that we are just very large ribosome carrierspic.twitter.com/PzQoQepPUi
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A (proto)ribosome without a genome to encode for it seems pretty useless. But I can envision a replicating (proto)genome adding more and better support systems over time.
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ah, but here's the rub. go look up ribozymes.
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that is: autocatalyzing enzymes made out of RNA, a sort of primitive proto-protein, may have predated proteins. living fossils of them are still around. the ribosome is such a fossil; the subunit that actually assembles proteins is a "protein" made of RNA
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in the "RNA world" hypothesis, such things existed first, as the first form of self-propagating life, and ribosomes are their living fossils.
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But you then need a mechanism to get these particular RNA sequences into a DNA genome (a reverse central dogma).
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Again, you need a rationale for this to evolve using only locally-optimal selection. Evolution is about mutation and selection. I don't see a path that goes ribosome->cells unless you already know you want to build cells.
End of conversation
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the internet exists to ensure the creation of more computers
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https://twitter.com/FioraAeterna/status/989409457196056576 … for a very very trippy paper on this topic that I still haven't finished fully comprehending. (And yes, I apologize if it's a bit silly linking one of your posts to you :P).
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And ribosome contains midi-chlorians
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I disagree with the protein part, since ribosomes are the one producing proteins, and also protein-rich themselves. Cells developing as most efficient way of produce all that makes a lot of sense.
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Soo... why are ribosomes so self-important?
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